CN108020734A

CN108020734A - Transformer analog circuit and transformer analog method

Info

Publication number: CN108020734A
Application number: CN201610962323.8A
Authority: CN
Inventors: 芮妮·弗雷德利克·寇禾
Original assignee: JIANGSU LEADING ELECTRONICS Co Ltd
Current assignee: JIANGSU LEADING ELECTRONICS Co Ltd
Priority date: 2016-11-04
Filing date: 2016-11-04
Publication date: 2018-05-11

Abstract

The present invention provides a kind of transformer analog circuit and transformer analog method, the transformer analog circuit and includes primary side, secondary side, the first coupled capacitor and the second coupled capacitor.The primary side includes primary side core loss resistance, primary side Inside coil capacitance and magnetizing inductance parallel with one another, a side leakage inductance module being connected electrically between first siding ring and the primary side core loss resistance and the first siding ring resistance for being electrically connected to a side leakage inductance module.The secondary side includes the secondary side leakage inductance module being connected electrically between second siding ring and secondary side Inside coil capacitance and the second siding ring resistance for being electrically connected to the secondary side leakage inductance module.First coupled capacitor and second coupled capacitor are respectively electrically connected between a side leakage inductance module and the secondary side leak source sense module.By the transformer analog circuit of the present invention can accurate simulation real transformer, confirm that the quality of transformer is fine or not ahead of time.

Description

Transformer analog circuit and transformer analog method

Technical field

The present invention is a kind of analog circuit and analogy method, espespecially a kind of transformer analog electricity and transformer analog method.

Background technology

General transformer may be expressed as a kind of transformer analog circuit, which is used to indicate that generally Multiple electric parameters in transformer.

Figure 20 is referred to, general common transformer analog circuit includes a primary side and a secondary side.

The primary side of the transformer analog circuit includes a first siding ring Wp, a first siding ring resistance (winding Resistor) Rp, one side leakage inductance (leakage inductor) Lpl, a core loss resistance (core-loss Resistor) Rc, primary side Inside coil capacitance (intra-winding capacitor) Cp and a magnetizing inductance (magnetizing inductor)Lp。

First siding ring Wp, primary side magnetic core loss resistance Rc, primary side Inside coil capacitance Cp and the magnetization Inductance Lp is to be electrically connected in parallel to each other.A first siding ring resistance Rp and side leakage inductance Lpl is to be serially connected electrical connection. First siding ring Wp includes one sides and a second end, and a side leakage inductance Lpl is to be connected electrically in this once Between a side of lateral coil Wp and first siding ring resistance Rp.

The secondary side of the transformer analog circuit includes a second siding ring Ws, a second siding ring resistance Rs, one or two A secondary side leakage inductance Lsl and secondary side Inside coil capacitance Cs.

Second siding ring Ws and secondary side Inside coil capacitance Cs is to be electrically connected in parallel to each other.The secondary side leakage inductance Lsl and second siding ring resistance Rs is to be serially connected electrical connection.Second siding ring Ws includes one sides and one Two ends, and the secondary side leakage inductance Lsl is a side and the second siding ring resistance for being connected electrically in second siding ring Ws Between Rs.

The transformer analog circuit further includes a primary side coupled capacitor (coupling capacitor) Cps1 And one second coupled capacitor Cps2, and primary side coupled capacitor Cps1 is a side for being connected electrically in first siding ring Wp Between a side of second siding ring Ws.And second coupled capacitor Cps2 is connected electrically in first siding ring Wp Between second end and the second end of second siding ring Ws.

First siding ring resistance Rp is intended to indicate that the equivalent resistance of first siding ring Wp, and the second siding ring is electric Resistance Rs is intended to indicate that the equivalent resistance of second siding ring Ws.

Core loss resistance Rc is intended to indicate that equivalent resistance of the transformer core when magnetic field is established or is released.

Primary side Inside coil capacitance Cp is intended to indicate that the equivalent electric that first siding ring Wp is produced by layer structure Hold, and secondary side Inside coil capacitance Cs is intended to indicate that the equivalent capacity that second siding ring Ws is produced by layer structure.

Magnetizing inductance Lp is to be used to produce magnetic field.

The primary side coupled capacitor Cps1 and second coupled capacitor Cps2 is intended to indicate that first siding ring Wp with being somebody's turn to do The equivalent capacity coupled between second siding ring Ws.

Consequently, it is possible to can be by performing above-mentioned transformer analog circuit in simulation softward, and by adjusting the simulation The parameter of each electronic component in circuit, is respectively used to simulate different transformers, to first pass through computer before volume production The various numerical value of software analysis transformer, confirm the quality quality of transformer.

And the setting position of a side leakage inductance Lpl and secondary side leakage inductance Lsl result in above-mentioned transformer Analog circuit normal vicious generation during analysis.

For example, refer to shown in Figure 21, depict the primary side impedance frequency by measuring the transformer obtained The primary side impedance frequency response diagram of response diagram and the transformer analog circuit for simulating the transformer obtained by calculating. The primary side impedance frequency response diagram of the transformer is to be represented in figure 21 with solid line Lp [P1S3] in the middle, and the transformer analog The primary side impedance frequency response diagram of circuit is to be represented in figure 21 with dotted line Lp [MOD1, P1S3].

It is the primary side with the transformer analog circuit in first self-resonance point f1s of the primary side impedance of the transformer The frequency of first self-resonance point f1s ' of impedance is close.First self-resonance point f1s of the wherein transformer is a limit, and First self-resonance point f1s ' of the transformer analog circuit is also a limit.

But the transformer primary side impedance second self-resonance point f2s with the transformer analog circuit once The frequency of second self-resonance point f2s ' of side impedance greatly differs from each other.Wherein second of the primary side impedance of the transformer is from humorous The point f2s that shakes is a zero point, and second self-resonance point f2s ' of the primary side impedance of the transformer analog circuit is also a zero point.

And second self-resonance point f2s of the primary side impedance of the transformer and the primary side of the transformer analog circuit hinder Frequency difference between second anti-self-resonance point f2s ' is because being provided with the transformer analog circuit in the secondary side Portion coil capacity Cs, and secondary side Inside coil capacitance Cs is equivalent in parallel with primary side Inside coil capacitance Cp, is caused The increase of integral capacitive impedance, further such that second self-resonance point of the primary side impedance of the transformer analog circuit The frequency of f2s ' reduces.

In addition, referring to shown in Figure 22, the frequency of the primary side leakage impedance by measuring the transformer obtained is depicted The frequency of the primary side leakage impedance of response diagram and the transformer analog circuit for simulating the transformer obtained by calculating is rung Ying Tu.The frequency response chart of the primary side leakage impedance of the transformer is to be represented in fig. 22 with solid line Lpl [P1S3] in the middle, and is somebody's turn to do The frequency response chart of the primary side leakage impedance of transformer analog circuit is to be represented in fig. 22 with dotted line Lpl [MOD1, P1S3].

First self-resonance point f3s of the primary side leakage impedance of the transformer be with the transformer analog circuit once The frequency of first self-resonance point f3s ' of side leakage impedance is different.First self-resonance point f3s of the wherein transformer is a pole Point, and first self-resonance point f3s ' of the transformer analog circuit is also a limit.

And second self-resonance point (not shown) of the primary side leakage impedance in the transformer is but electric with the transformer analog The frequency of second self-resonance point f4s ' of the primary side leakage impedance on road also differs.The wherein primary side leakage impedance of the transformer Second self-resonance point be a zero point, and second self-resonance point f4s ' of the primary side leakage impedance of the transformer analog circuit Also it is a zero point.

An and side leakage of second self-resonance point of the primary side leakage impedance of the transformer and the transformer analog circuit Frequency difference between second self-resonance point f4s ' of impedance is serially connected because being provided with the transformer analog circuit A side leakage inductance Lpl and magnetizing inductance Lp, cause integral inductive impedance increase, further such that the transformer mould Intending the frequency of second self-resonance point f4s ' of the primary side leakage impedance of circuit reduces.

Because a side leakage inductance Lpl and magnetizing inductance Lp cause the side leakage resistance of the transformer analog circuit The mistake generation of second anti-self-resonance point f4s ', and can not accurately simulate the primary side leakage impedance of actual transformer. Therefore the transformer analog circuit further will certainly will be improved.

The content of the invention

There is the self-resonance point different and cause simulation wrong in view of transformer analog circuit and the transformer of reality is preceding taken off Shortcoming, the present invention provides a kind of transformer analog circuit and transformer analog method, to improve the simulation of transformer analog circuit As a result correctness, the transformer analog circuit include：

One primary side, includes：

One primary side core loss resistance；

One primary side Inside coil capacitance；

One magnetizing inductance；The wherein magnetizing inductance, the primary side core loss resistance and the primary side Inside coil capacitance It is to be electrically connected in parallel to each other；

One side leakage inductance modules, include a first end point, one second endpoint, one the 3rd endpoint and one the 4th end Point；Wherein the first end point of a side leakage inductance module and the second endpoint are respectively electrically connected to the primary side Inside coil capacitance Both ends；

One first siding ring, includes one sides and a second end；Wherein a side of the first siding ring and Second end is respectively electrically connected to the 3rd endpoint and the 4th endpoint of a side leakage inductance module；

One first siding ring resistance, wherein one end are electrically connected to the first end point of a side leakage inductance module；

One secondary side, includes：

One second siding ring resistance；

One or two side leakage inductance modules, include a first end point, one second endpoint, one the 3rd endpoint and one the 4th end Point；3rd endpoint of the wherein secondary side leakage inductance module is electrically connected to one end of the second siding ring resistance；

One second siding ring, couples with the first siding ring, and includes one sides and a second end；Wherein this two Side of secondary lateral coil and second end are respectively electrically connected to the first end point and the second endpoint of the secondary side leakage inductance module；

One secondary side Inside coil capacitance, is connected electrically between the 3rd end and the 4th end of the secondary side leakage inductance module；

One primary side coupled capacitor, is connected electrically in the first end point and the secondary side leakage inductance of a side leakage inductance module Between 3rd endpoint of module；

One second coupled capacitor, is connected electrically in the second endpoint and the secondary side leakage inductance mould of a side leakage inductance module Between 4th endpoint of block.

And the transformer analog method includes following steps：

One first siding ring is provided；Wherein the first siding ring includes one sides and a second end；

One primary side core loss resistance is provided；

One primary side Inside coil capacitance is provided；

One magnetizing inductance is provided；The wherein magnetizing inductance, the primary side core loss resistance and the primary side Inside coil Capacitance is to be electrically connected in parallel to each other；

One side leakage inductance modules are provided；Wherein a side leakage inductance module includes a first end point, one second Endpoint, one the 3rd endpoint and one the 4th endpoint, and the first end point of a side leakage inductance module is electrically connected respectively with the second endpoint The both ends of the Inside coil capacitance are connected to, and the 3rd endpoint of a side leakage inductance module is respectively electrically connected to the 4th endpoint Side of the first siding ring and second end；

One first siding ring resistance is provided；One end of the wherein first siding ring resistance is electrically connected to a side leakage inductance The first end point of module；

One second siding ring resistance is provided；

One or two side leakage inductance modules are provided；Wherein the secondary side leakage inductance module includes a first end point, one second Endpoint, one the 3rd endpoint and one the 4th endpoint, and the 3rd endpoint of the secondary side leakage inductance module is electrically connected to the secondary side line Enclose one end of resistance；

One second siding ring is provided；Wherein the second siding ring is coupled with the first siding ring, and includes a primary side End and a second end；Side of the wherein second siding ring is respectively electrically connected to the secondary side leakage inductance module with second end First end point and the second endpoint；

One secondary side Inside coil capacitance is provided；Wherein the secondary side Inside coil capacitance is connected electrically in secondary side electric leakage Between the 3rd endpoint and the 4th endpoint of feeling module；

One primary side coupled capacitor is provided；Wherein the primary side coupled capacitor is connected electrically in a side leakage inductance module Between 3rd endpoint of first end point and the secondary side leakage inductance module；

One second coupled capacitor is provided；Wherein second coupled capacitor is connected electrically in the second of a side leakage inductance module Between endpoint and the 4th endpoint of the secondary side leakage inductance module；

Form a transformer analog circuit；And

The transformer analog circuit is performed to simulate a transformer.

The side leakage inductance module and secondary side leakage inductance module of the present invention is used to indicate that the first siding ring with being somebody's turn to do The inductive impedance and magnetic leakage flux leaked when second siding ring does not couple completely.The magnetic leakage flux is to represent the primary side The magnetic flux that coil produces and the magnetic flux difference of second siding ring sensing generation.

Regardless of the second siding ring and the first siding ring degree of coupling, the magnetic flux which produces is simultaneously Will not therefore it change.But when the second siding ring more revolts the magnetic flux of first siding ring generation, the i.e. second siding ring When lower with the degree of coupling of the first siding ring, the stool and urine of the magnetic leakage flux can be higher.In addition, reduce the first siding ring The magnetic flux of generation is sized so that the degree of coupling of the first siding ring and the second siding ring is higher.

Therefore, the present invention has redesigned the transformer analog circuit commonly used, and the transformer analog circuit institute of the present invention The frequency response simulated can be more like with the frequency response of real transformer, consequently, it is possible to can the accurately actual change of simulation The frequency response of depressor, there is provided manufacturer can more accurately get profit various with computer software analysis transformer before volume production transformer Numerical value, confirms the quality quality of transformer ahead of time.

Brief description of the drawings

Fig. 1 is the circuit diagram of transformer analog circuit of the present invention；

Fig. 2 to Figure 16 is the circuit diagram of the first to the 15th preferred embodiment of transformer analog circuit of the present invention；

Figure 17 is frequency response and the real transformer amount of the primary side impedance of transformer analog breadboardin of the present invention The frequency response chart of the primary side impedance of survey；

Figure 18 is frequency response and the real transformer of the primary side leakage impedance of transformer analog breadboardin of the present invention The frequency response chart of the primary side leakage impedance of measurement；

Figure 19 is the flow chart of transformer analog method of the present invention；

Figure 20 is the circuit diagram for commonly using transformer analog circuit；

Figure 21 is that the frequency response for the primary side impedance for commonly using transformer analog breadboardin and real transformer measure Primary side impedance frequency response chart；

Figure 22 is frequency response and the real transformer amount for the primary side leakage impedance for commonly using transformer analog breadboardin The frequency response chart of the primary side leakage impedance of survey.

Embodiment

Coordinate schema and present pre-ferred embodiments below, the present invention is further explained reaches predetermined purpose and taken Technological means.

The present invention is a kind of transformer analog circuit and transformer analog method, and the present invention is the circuit mould in computer Intend realizing on software, such as Pspice or Hspice.

Refering to Figure 1, the transformer analog circuit of the present invention includes a primary side, a secondary side, one first coupling Close capacitance Cps1 and one second coupled capacitor Cps2.

The primary side includes a first siding ring Wp, a first siding ring resistance Rp, a primary side core loss resistance Rc, a primary side Inside coil capacitance Cp, a magnetizing inductance Lp and one side leakage inductance modules.

Primary side core loss resistance Rc, primary side Inside coil capacitance Cp and magnetizing inductance Lp are electricity parallel with one another Connection.

Side leakage inductance module includes a first end point, one second endpoint, one the 3rd endpoint and one the 4th endpoint. The first end point of the inductor module that once leaks hunting is respectively electrically connected to the two of primary side Inside coil capacitance Cp with the second endpoint End.The first end point of side leakage inductance module is electrically connected to one end of first siding ring resistance Rp.

First siding ring Wp includes a first end and a second end, and the first end and second of first siding ring Wp End is respectively electrically connected to the 3rd endpoint and the 4th endpoint of a side leakage inductance module.

The secondary side includes a second siding ring Ws, a second siding ring resistance Rs, a secondary side Inside coil capacitance Cs and 1 side leakage inductance module.

Second siding ring Ws is coupled with first siding ring Wp, and includes a first end and a second end.

The secondary side leakage inductance module includes a first end point, one second endpoint, one the 3rd endpoint and one the 4th endpoint. The first end point of the secondary side leakage inductance module is electrically connected the first end and second of second siding ring Ws with the second endpoint End.

Secondary side Inside coil capacitance Cs is connected electrically in the 3rd endpoint and the 4th endpoint of the secondary side leakage inductance module Between.And the 3rd endpoint of the secondary side leakage inductance module is electrically connected to one end of second siding ring resistance Rs.

First coupled capacitor Cps1 is connected electrically in the first end point of a side leakage inductance module and the secondary side leaks electricity Between the 3rd endpoint for feeling module, and second coupled capacitor Cps2 is connected electrically in the second endpoint of a side leakage inductance module Between the 4th endpoint of the secondary side leakage inductance module.

Side leakage inductance module and the secondary side leakage inductance module are used to indicate that the first siding ring is secondary with this The inductive impedance and magnetic leakage flux leaked when lateral coil does not couple completely.

The magnetic leakage flux is to represent magnetic flux and the second siding ring Ws sensing generations of first siding ring production Wp lifes Magnetic flux difference

The magnetic produced regardless of second siding ring Ws and first siding ring Wp degree of coupling, first siding ring Wp Therefore flux can't change.But work as the magnetic flux that second siding ring Ws more revolts first siding ring Wp generations, i.e., should When the degree of coupling of second siding ring Ws and first siding ring Wp is lower, the stool and urine of the magnetic leakage flux can be higher.In addition, subtract The magnetic flux that few first siding ring Wp is produced is sized so that the degree of coupling of first siding ring Wp and second siding ring Ws It is higher.

Refer to shown in Fig. 2, in the first preferred embodiment of transformer analog circuit of the present invention, a side leakage inductance Module includes one the first side leakage inductance Lpl1.

The first side leakage inductance Lpl1 are connected electrically in the first end point and the 3rd endpoint of a side leakage inductance module Between, and the second endpoint of a side leakage inductance module is the 4th end for being directly electrically coupled to a side leakage inductance module Point.

And the first end point of the secondary side leakage inductance module is be directly electrically coupled to the secondary side leakage inductance module the 3 Endpoint, and the second endpoint of the secondary side leakage inductance module is the 4th end for being directly electrically coupled to the secondary side leakage inductance module Point.

Refer to shown in Fig. 3, in the second preferred embodiment of transformer analog circuit of the present invention, a side leakage inductance Module includes one the second side leakage inductance Lpl2.

The second side leakage inductance Lpl2 are connected electrically in the second endpoint and the 4th endpoint of a side leakage inductance module Between, and the first end point of a side leakage inductance module is to be directly electrically coupled to the 3rd end of a side leakage inductance module Point.

Refer to shown in Fig. 4, in the 3rd preferred embodiment of transformer analog circuit of the present invention, the secondary side leakage inductance Module includes one the first two side leakage inductance Lsl1.

The first two side leakage inductance Lsl1 are connected electrically in the first end point and the 3rd endpoint of the secondary side leakage inductance module Between, and the 3rd endpoint of the secondary side leakage inductance module is the 4th end for being directly electrically coupled to the secondary side leakage inductance module Point.

And the first end point of a side leakage inductance module is be directly electrically coupled to a side leakage inductance module the 3 Endpoint, and the second endpoint of a side leakage inductance module is the 4th end for being directly electrically coupled to a side leakage inductance module Point.

Refer to shown in Fig. 5, in the 4th preferred embodiment of transformer analog circuit of the present invention, the secondary side leakage inductance Module includes one the second two side leakage inductance Lsl2.

The second two side leakage inductance Lsl2 are connected electrically in the second endpoint and the 4th endpoint of the secondary side leakage inductance module Between, and the first end point of the secondary side leakage inductance module is to be directly electrically coupled to the 3rd end of the secondary side leakage inductance module Point.

Refer to shown in Fig. 6, in the 5th preferred embodiment of transformer analog circuit of the present invention, a side leakage inductance Module includes one the first side leakage inductance Lpl1 and 1, the second side leakage inductance Lpl2.

The first side leakage inductance Lpl1 are connected electrically in the first end point and the 3rd endpoint of a side leakage inductance module Between, and the second side leakage inductance Lpl2 be connected electrically in a side leakage inductance module the second endpoint and the 4th endpoint it Between.

Refer to shown in Fig. 7, in the 6th preferred embodiment of transformer analog circuit of the present invention, a side leakage inductance Module includes one the first side leakage inductance Lpl1, and the secondary side leakage inductance module includes one the first two side leakage inductance Lsl1。

The first two side leakage inductance Lsl1 are connected electrically in the first end point and the 3rd endpoint of the secondary side leakage inductance module Between, and the second endpoint of the secondary side leakage inductance module is the 4th end for being directly electrically coupled to the secondary side leakage inductance module Point.

Refer to shown in Fig. 8, in the 7th preferred embodiment of transformer analog circuit of the present invention, a side leakage inductance Module includes one the first side leakage inductance Lpl1, and the secondary side leakage inductance module includes one the second two side leakage inductance Lsl2。

Refer to shown in Fig. 9, in the 8th preferred embodiment of transformer analog circuit of the present invention, a side leakage inductance Module includes one the second side leakage inductance Lpl2, and the secondary side leakage inductance module includes one the first two side leakage inductance Lsl1。

The first side leakage inductance Lpl2 are connected electrically in the second endpoint and the 4th endpoint of a side leakage inductance module Between, and the first end point of a side leakage inductance module is to be directly electrically coupled to the 3rd end of a side leakage inductance module Point.

Please refer to Fig.1 shown in 0, in the 9th preferred embodiment of transformer analog circuit of the present invention, primary side electric leakage Sense module includes one the second side leakage inductance Lpl2, and the secondary side leakage inductance module includes the electric leakage of one second secondary side Feel Lsl2.

Please refer to Fig.1 shown in 1, in the tenth preferred embodiment of transformer analog circuit of the present invention, secondary side electric leakage Sense module includes one the first two side leakage inductance Lsl1 and 1, the second two side leakage inductance Lsl2.

The first end point of side leakage inductance module is to be directly electrically coupled to the 3rd end of a side leakage inductance module Point, and the second endpoint of a side leakage inductance module is the 4th endpoint for being directly electrically coupled to a side leakage inductance module.

The first two side leakage inductance Lsl1 are connected electrically in the first end point and the 3rd endpoint of the secondary side leakage inductance module Between, and the second two side leakage inductance Lsl2 be connected electrically in the secondary side leakage inductance module the second endpoint and the 4th endpoint it Between.

Please refer to Fig.1 shown in 2, in the 11st preferred embodiment of transformer analog circuit of the present invention, a side leakage Inductor module includes one the first side leakage inductance Lpl1 and 1, the second side leakage inductance Lpl2, and the secondary side leakage inductance Module includes one the first two side leakage inductance Lsl1.

Please refer to Fig.1 shown in 3, in the 12nd preferred embodiment of transformer analog circuit of the present invention, a side leakage Inductor module includes one the first side leakage inductance Lpl1 and 1, the second side leakage inductance Lpl2, and the secondary side leakage inductance Module includes one the second two side leakage inductance Lsl2.

Please refer to Fig.1 shown in 4, in the 13rd preferred embodiment of transformer analog circuit of the present invention, a side leakage Inductor module includes one the first side leakage inductance Lpl1, and the secondary side leakage inductance module includes the electric leakage of one first secondary side Feel the second two side leakage inductance Lsl2 of Lsl1 and 1.

Please refer to Fig.1 shown in 5, in the 14th preferred embodiment of transformer analog circuit of the present invention, a side leakage Inductor module includes one the second side leakage inductance Lpl2, and the secondary side leakage inductance module includes the electric leakage of one first secondary side Feel the second two side leakage inductance Lsl2 of Lsl1 and 1.

Please refer to Fig.1 shown in 6, in the 15th preferred embodiment of transformer analog circuit of the present invention, a side leakage Inductor module includes one the first side leakage inductance Lpl1 and 1, the second side leakage inductance Lpl2, and the secondary side leakage inductance Module includes one the first two side leakage inductance Lsl1 and 1, the second two side leakage inductance Lsl2.

The 3rd preferred embodiment of Fig. 4 illustrates herein, in the present invention the 3rd compared with embodiment, the first two side leakages Between inductance Lsl1 is adjusted being arranged on the parasitic antenna of any two primary side, in this preferred embodiment, this is the first two times Side leakage inductance Lsl1 is arranged between one end and the second siding ring Ws of first coupled capacitor Cps1, and this first two times Side leakage inductance Lsl1 is arranged on the secondary side of the transformer analog circuit, consequently, it is possible to the first two side leakage inductance Lsl1 It can be combined with secondary side Inside coil capacitance Cs so that the frequency of the self-resonance point of the transformer analog circuit is driven high, because The result that this transformer analog circuit of the invention is simulated can closer to actual transformer actual measurement as a result, by This provides the various numerical value that manufacturer can more accurately get profit with computer software analysis transformer before volume production transformer, confirms ahead of time The quality quality of transformer.In addition, all in adjustment transformer analog circuit of the present invention be used for representing transformer primary side member The component parameters of part, can't influence the frequency characteristic of the transformer analog circuit.

Please refer to Fig.1 shown in 7, depict by measure obtain a transformer primary side impedance frequency response diagram and By the primary side impedance frequency response diagram for calculating the transformer analog circuit of the present invention obtained.The primary side of the transformer in the middle Impedance frequency response diagram is to be represented in fig. 17 with solid line Lp [P1S3], and the primary side impedance frequency of the transformer analog circuit Response diagram is to be represented in fig. 17 with dotted line Lp [MOD2, P1S3].

Hindered in first self-resonance point f1s of primary side impedance of the transformer with the primary side of the transformer analog circuit The frequency of first anti-self-resonance point f1s " is close.First self-resonance point f1s of the wherein transformer is a limit, and should First self-resonance point f1s " of transformer analog circuit is also a limit.And second of the primary side impedance of the transformer is certainly Resonance point f2s is same close with the frequency of second self-resonance point f2s " of the primary side impedance of the transformer analog circuit.Its In second self-resonance point f2s of the transformer be a zero point, and first self-resonance point f2s " of the transformer analog circuit Also it is a zero point.

Please refer to Fig.1 shown in 8, depict the frequency response chart of the primary side leakage impedance by measuring the transformer obtained And the frequency response chart of the primary side leakage impedance of the transformer analog circuit for simulating the transformer obtained by calculating.When In the frequency response chart of primary side leakage impedance of the transformer be to be represented in figure 18 with solid line Lpl [P1S3], and the transformer The frequency response chart of the primary side leakage impedance of analog circuit is to be represented in figure 18 with dotted line Lpl [MOD2, P1S3].

In the primary side of the first self-resonance point f3s and the transformer analog circuit of the primary side leakage impedance of the transformer The frequency of first self-resonance point f3s " of leakage impedance is close.First self-resonance point f3s of the wherein transformer is a limit, And first self-resonance point f3s " of the transformer analog circuit is also a limit.

It follows that the analog result of transformer analog circuit of the present invention is in the measurement phase for actually measuring transformer Seemingly, real transformer can more accurately be simulated.

Furthermore, please refer to Fig.1 shown in 9, transformer analog method of the present invention includes following steps：

One first siding ring (S401) is provided；Wherein the first siding ring includes one sides and a second end；

One primary side core loss resistance (S402) is provided；

One primary side Inside coil capacitance (S403) is provided；

One magnetizing inductance (S404) is provided；Wherein in the magnetizing inductance, the primary side core loss resistance and the primary side Portion's coil capacity is to be electrically connected in parallel to each other；

One side leakage inductance modules (S405) are provided；Wherein a side leakage inductance module include a first end point, One second endpoint, one the 3rd endpoint and one the 4th endpoint, and the first end point of a side leakage inductance module and the second endpoint point The both ends of the Inside coil capacitance are not electrically connected to, and the 3rd endpoint of a side leakage inductance module and the 4th endpoint are electric respectively It is connected to a side and the second end of the first siding ring；

One first siding ring resistance (S406) is provided；One end of the wherein first siding ring resistance is electrically connected to the primary side The first end point of leakage inductance module；

One second siding ring resistance (S407) is provided；

One or two side leakage inductance modules (S408) are provided；Wherein the secondary side leakage inductance module include a first end point, One second endpoint, one the 3rd endpoint and one the 4th endpoint, and the 3rd endpoint of the secondary side leakage inductance module be electrically connected to this two One end of secondary lateral coil resistance；

One second siding ring (S409) is provided；Wherein the second siding ring is coupled with the first siding ring, and includes one Side and a second end；Wherein a side of the second siding ring is respectively electrically connected to secondary side electric leakage with second end Feel the first end point and the second endpoint of module；

One secondary side Inside coil capacitance (S410) is provided；Wherein it is secondary to be connected electrically in this for the secondary side Inside coil capacitance Between 3rd endpoint of side leakage inductance module and the 4th endpoint；

One primary side coupled capacitor (S411) is provided；Wherein the primary side coupled capacitor is connected electrically in a side leakage inductance Between 3rd endpoint of the first end point of module and the secondary side leakage inductance module；

One second coupled capacitor (S412) is provided；Wherein second coupled capacitor is connected electrically in a side leakage inductance module The second endpoint and the secondary side leakage inductance module the 4th endpoint between；

Form a transformer analog circuit (S413)；And

The transformer analog circuit is performed to simulate a transformer (S414).

The analog result for the transformer analog circuit designed by transformer analog method of the present invention can be closer to reality The measurement of transformer measures as a result, the frequency response chart and real transformer of the primary side impedance for allowing analog circuit of the present invention to simulate Primary side impedance frequency response chart it is closer, there is provided more accurately analog result, allows manufacturer can be more before volume production transformer The accurate various numerical value got profit with computer software analysis transformer, confirm the quality quality of transformer ahead of time.

Same Fig. 2 of embodiment of a side leakage inductance module and secondary side leakage inductance module in the transformer analog method Described in of the invention first to the 15th preferred embodiment of Figure 16 and preceding description, therefore details are not described herein.

Since a side leakage inductance module and the secondary side leakage inductance module have a different embodiments respectively, and this one Secondary side leakage inductance module and the secondary side leakage inductance module are relevant with the function of the translation operation of the transformer analog circuit, institute It can be adjusted with the embodiment of a side leakage inductance module and the secondary side leakage inductance module with various different situations.

Because a side leakage inductance module and the part that the secondary side leakage inductance module is in energy conversion, therefore should Side leakage inductance module can close the transformer analog circuit with the secondary side leakage inductance module during translation operation The frequency of the influence of the reason self-resonance point.

Therefore by varying a side leakage inductance module and the embodiment of the secondary side leakage inductance module, it can adjust out The frequency of preferable self-resonance point, allows manufacturer to confirm ahead of time by the more accurate various numerical value that must analyze transformer of the present invention The quality quality of transformer.

The above is only presently preferred embodiments of the present invention, and limitation in any form is not done to the present invention, though So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people Member, in the range of technical solution of the present invention is not departed from, when the technology contents using the disclosure above make a little change or repair The equivalent embodiment for equivalent variations is adornd, as long as being the content without departing from technical solution of the present invention, the technology according to the present invention is real Any simple modification, equivalent change and modification that confrontation above example is made, still falls within the scope of technical solution of the present invention It is interior.

Claims

1. a kind of transformer analog circuit, it is characterised in that the transformer analog circuit includes：

One primary side, includes：

One primary side core loss resistance；

One primary side Inside coil capacitance；

One magnetizing inductance；Wherein the magnetizing inductance, the primary side core loss resistance and the primary side Inside coil capacitance are phases It is mutually in parallel to be electrically connected；

One side leakage inductance modules, include a first end point, one second endpoint, one the 3rd endpoint and one the 4th endpoint；Its In a side leakage inductance module first end point and the second endpoint be respectively electrically connected to the two of the primary side Inside coil capacitance End；

One first siding ring, includes one sides and a second end；A wherein side and second for the first siding ring End is respectively electrically connected to the 3rd endpoint and the 4th endpoint of a side leakage inductance module；

One secondary side, includes：

One second siding ring resistance；

One or two side leakage inductance modules, include a first end point, one second endpoint, one the 3rd endpoint and one the 4th endpoint；Its In the 3rd endpoint of the secondary side leakage inductance module be electrically connected to one end of the second siding ring resistance；

One second siding ring, couples with the first siding ring, and includes one sides and a second end；The wherein secondary side Side of coil and second end are respectively electrically connected to the first end point and the second endpoint of the secondary side leakage inductance module；

One primary side coupled capacitor, is connected electrically in the first end point and the secondary side leakage inductance module of a side leakage inductance module The 3rd endpoint between；

One second coupled capacitor, is connected electrically in the second endpoint and the secondary side leakage inductance module of a side leakage inductance module Between 4th endpoint.

2. transformer analog circuit according to claim 1, it is characterised in that：

Side leakage inductance module includes one the first side leakage inductance, the first side leakage inductances be connected electrically in this one Between the first end point of secondary side leakage inductance module and the 3rd endpoint, and the second endpoint of a side leakage inductance module is direct electricity It is connected to the 4th endpoint of a side leakage inductance module；

The first end point of the secondary side leakage inductance module is to be directly electrically coupled to the 3rd endpoint of the secondary side leakage inductance module, and Second endpoint of the secondary side leakage inductance module is the 4th endpoint for being directly electrically coupled to the secondary side leakage inductance module.

3. transformer analog circuit according to claim 1, it is characterised in that：

Side leakage inductance module includes one the second side leakage inductance, the second side leakage inductances be connected electrically in this one Between the second endpoint and the 4th endpoint of secondary side leakage inductance module, and the first end point of a side leakage inductance module is direct electricity It is connected to the 3rd endpoint of a side leakage inductance module；

4. transformer analog circuit according to claim 1, it is characterised in that：

The secondary side leakage inductance module includes one the first two side leakage inductance, the first two side leakage inductances be connected electrically in this two Between the first end point of secondary side leakage inductance module and the 3rd endpoint, and the 3rd endpoint of the secondary side leakage inductance module is direct electricity It is connected to the 4th endpoint of the secondary side leakage inductance module；

The first end point of side leakage inductance module is to be directly electrically coupled to the 3rd endpoint of a side leakage inductance module, and Second endpoint of side leakage inductance module is the 4th endpoint for being directly electrically coupled to a side leakage inductance module.

5. transformer analog circuit according to claim 1, it is characterised in that：

The secondary side leakage inductance module includes one the second two side leakage inductance, the second two side leakage inductances be connected electrically in this two Between the second endpoint and the 4th endpoint of secondary side leakage inductance module, and the first end point of the secondary side leakage inductance module is direct electricity It is connected to the 3rd endpoint of the secondary side leakage inductance module；

6. transformer analog circuit according to claim 1, it is characterised in that：

Side leakage inductance module includes one the first side leakage inductance and one the second side leakage inductance, this is first once Side leakage inductance is connected electrically between first end point and the 3rd endpoint of a side leakage inductance module, and second primary side leaks electricity Electrification is connected between the second endpoint and the 4th endpoint of a side leakage inductance module；

7. transformer analog circuit according to claim 1, it is characterised in that：

The secondary side leakage inductance module includes one the first two side leakage inductance, the first two side leakage inductances be connected electrically in this two Between the first end point of secondary side leakage inductance module and the 3rd endpoint, and the second endpoint of the secondary side leakage inductance module is direct electricity It is connected to the 4th endpoint of the secondary side leakage inductance module.

8. transformer analog circuit according to claim 1, it is characterised in that：

The secondary side leakage inductance module includes one the second two side leakage inductance, the second two side leakage inductances be connected electrically in this two Between the second endpoint and the 4th endpoint of secondary side leakage inductance module, and the first end point of the secondary side leakage inductance module is direct electricity It is connected to the 3rd endpoint of the secondary side leakage inductance module.

9. transformer analog circuit according to claim 1, it is characterised in that：

Side leakage inductance module includes one the second side leakage inductance, the first side leakage inductances be connected electrically in this one Between the second endpoint and the 4th endpoint of secondary side leakage inductance module, and the first end point of a side leakage inductance module is direct electricity It is connected to the 3rd endpoint of a side leakage inductance module；

10. transformer analog circuit according to claim 1, it is characterised in that：

11. transformer analog circuit according to claim 1, it is characterised in that：

The secondary side leakage inductance module includes one the first two side leakage inductance and one the second two side leakage inductance, this is the first two times Side leakage inductance is connected electrically between first end point and the 3rd endpoint of the secondary side leakage inductance module, and second secondary side leaks electricity Electrification is connected between the second endpoint and the 4th endpoint of the secondary side leakage inductance module；

12. transformer analog circuit according to claim 1, it is characterised in that：

The secondary side leakage inductance module includes one the first two side leakage inductance, and it is secondary which is connected electrically in this Between the first end point of side leakage inductance module and the 3rd endpoint, and the second endpoint of the secondary side leakage inductance module is directly to be electrically connected It is connected to the 4th endpoint of the secondary side leakage inductance module.

13. transformer analog circuit according to claim 1, it is characterised in that：

The secondary side leakage inductance module includes one the second two side leakage inductance, and it is secondary which is connected electrically in this Between the second endpoint and the 4th endpoint of side leakage inductance module, and the first end point of the secondary side leakage inductance module is directly to be electrically connected It is connected to the 3rd endpoint of the secondary side leakage inductance module.

14. transformer analog circuit according to claim 1, it is characterised in that：

The secondary side leakage inductance module includes one the first two side leakage inductance and one the second two side leakage inductance, first secondary side Leakage inductance is connected electrically between first end point and the 3rd endpoint of the secondary side leakage inductance module, and the second two side leakage inductances It is connected electrically between the second endpoint and the 4th endpoint of the secondary side leakage inductance module.

15. transformer analog circuit according to claim 1, it is characterised in that：

16. transformer analog circuit according to claim 1, it is characterised in that：

A kind of 17. transformer analog method, it is characterised in that the transformer analog method includes following steps：

One primary side core loss resistance is provided；

One primary side Inside coil capacitance is provided；

One magnetizing inductance is provided；The wherein magnetizing inductance, the primary side core loss resistance and the primary side Inside coil capacitance It is to be electrically connected in parallel to each other；

One side leakage inductance modules are provided；Wherein a side leakage inductance module include a first end point, one second endpoint, One the 3rd endpoint and one the 4th endpoint, and the first end point of a side leakage inductance module is respectively electrically connected to this with the second endpoint The both ends of Inside coil capacitance, and the 3rd endpoint and the 4th endpoint of a side leakage inductance module are respectively electrically connected to this once Side of lateral coil and second end；

One first siding ring resistance is provided；One end of the wherein first siding ring resistance is electrically connected to a side leakage inductance module First end point；

One second siding ring resistance is provided；

One or two side leakage inductance modules are provided；Wherein the secondary side leakage inductance module include a first end point, one second endpoint, One the 3rd endpoint and one the 4th endpoint, and the 3rd endpoint of the secondary side leakage inductance module is electrically connected to the second siding ring resistance One end；

One second siding ring is provided；Wherein the second siding ring is coupled with the first siding ring, and include one sides and One second end；Wherein side of the second siding ring and second end are respectively electrically connected to the of the secondary side leakage inductance module End point and the second endpoint；

One secondary side Inside coil capacitance is provided；Wherein the secondary side Inside coil capacitance is connected electrically in the secondary side leakage inductance mould Between 3rd endpoint of block and the 4th endpoint；

One primary side coupled capacitor is provided；Wherein the primary side coupled capacitor is connected electrically in the first of a side leakage inductance module Between endpoint and the 3rd endpoint of the secondary side leakage inductance module；

One second coupled capacitor is provided；Wherein second coupled capacitor is connected electrically in the second endpoint of a side leakage inductance module Between the 4th endpoint of the secondary side leakage inductance module；

Form a transformer analog circuit；And

The transformer analog circuit is performed to simulate a transformer.

18. transformer analog method according to claim 17, it is characterised in that：

19. transformer analog method according to claim 17, it is characterised in that：

20. transformer analog method according to claim 17, it is characterised in that：

21. transformer analog method according to claim 17, it is characterised in that：

22. transformer analog method according to claim 17, it is characterised in that：

23. transformer analog method according to claim 17, it is characterised in that：

24. transformer analog method according to claim 17, it is characterised in that：

25. transformer analog method according to claim 17, it is characterised in that：

26. transformer analog method according to claim 17, it is characterised in that：

27. transformer analog method according to claim 17, it is characterised in that：

28. transformer analog method according to claim 17, it is characterised in that：

29. transformer analog method according to claim 17, it is characterised in that：

30. transformer analog method according to claim 17, it is characterised in that：

31. transformer analog method according to claim 17, it is characterised in that：

32. transformer analog method according to claim 17, it is characterised in that：