CN105765846A - AC/AC converter for conversion between three phase and single phase power supplies - Google Patents
AC/AC converter for conversion between three phase and single phase power supplies Download PDFInfo
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- CN105765846A CN105765846A CN201480046397.6A CN201480046397A CN105765846A CN 105765846 A CN105765846 A CN 105765846A CN 201480046397 A CN201480046397 A CN 201480046397A CN 105765846 A CN105765846 A CN 105765846A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/275—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/293—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/10—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers
- H02M5/14—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers for conversion between circuits of different phase number
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ac-Ac Conversion (AREA)
Abstract
A bi-directional AC/AC converter is designed to provide improved AC/AC power conversion along with reduced switching losses, reduced harmonic distortion and improved power factor. The converter is characterized by bi-directional switches comprising IGBTs that are selectively turned ON to generate an output AC voltage having a frequency in the range of 50 Hz to 30 kHz. The conduction of IGBTs for each phase of a three phase supply is controlled by a control circuit provided therein.
Description
Technical field
The present invention relates generally to AC/AC transducer.
Background technology
Many commercial Application are required for AC/AC Power convert.One AC waveform is converted to another AC waveform with predetermined voltage and frequency by AC/AC transducer.
AC/AC transducer based on various topological structure known in the art, including voltage source inverter transducer, current source inverter transducer, ring-transducer and matrix converter.Voltage source inverter transducer is general relevant with the power factor of conduction loss and the difference reducing they efficiency with current source inverter transducer.The purposes of ring-transducer is limited, be generally used for wherein demanded power output lower than the system of input power.Generally, AC/AC matrix converter includes at least 9 ovonic switches and other circuit unit.The topological structure complex and expensive of matrix converter as known in the art, it is necessary to use a large amount of assembly.Various parameters, for instance switching frequency, total harmonic distortion, switching loss, harmonic generation and speed and response are most important to the development of the power supply changeover device for different application.
Accordingly, it is desirable to provide a kind of effective directly two-way, not only comprise small number of assembly, but also provide the AC/AC transducer of desired high output frequency.
Purpose
Some purposes that at least one embodiment of the present invention is adapted to provide for are described below:
One purpose of the present invention is to improve one or more problem of prior art, or provides at useful replacement scheme.
One purpose of the present invention is to provide a kind of two-way AC/AC transducer with small number of two-way switch.
It is a further object of the present invention to provide a kind of two-way AC/AC transducer, this AC/AC transducer utilizes small number of two-way switch to provide high-frequency output voltage.
It is a further object of the present invention to provide the two-way AC/AC transducer of a kind of optimization reducing switching loss.
It is a further object of the present invention to provide a kind of simple, two-way AC/AC transducer of optimizing.
It is a further object of the present invention to provide a kind of two-way AC/AC transducer effectively, optimized.
Another purpose of the present invention is to provide the two-way AC/AC transducer of a kind of optimization, to eliminate the demand to energy-storage travelling wave tube.
Further, a purpose of the present invention is to provide the two-way AC/AC transducer of a kind of optimization having and improving power factor.
Another purpose of the present invention is to provide the two-way AC/AC transducer of a kind of optimization, to reduce total harmonic distortion.
Other purpose of the present invention and advantage will become apparent from description taken together with the accompanying drawings below, and it is not intended to limit the scope of the present invention.
Summary of the invention
According to the present invention, it is provided that a kind of transducer that input AC voltage is optionally converted to output AC voltage, described transducer is connected between the terminal of three-phase AC power source and the terminal of single phase AC power, and described transducer includes:
First switches set, including three two-way switch, one end of each two-way switch is to be connected with the terminal of three-phase AC power source mode one to one, and the other end is connected to a terminal of single phase AC power；
Second switch group, including three two-way switch, one end of each two-way switch is to be connected with the terminal of three-phase AC power source mode one to one, and the other end is connected to the another terminal of single phase AC power；And
Controller, it is connected to constitute each switch of the switch centering of each described two-way switch, described controller is applicable to another switch of the switch centering of a switch of the switch centering of the predetermined two-way switch of sequentially turned-on described first switches set and the predetermined two-way switch of described second switch group, for corresponding to the phase angle of each 60 degree that input AC voltage, thus generate the frequency output AC voltage between 50Hz to 30kHz.
Described transducer can be single-stage converter, and wherein, the frequency of described single-phase AC output is in 1kHz to 30kHz scope.But, according to the frequency capabilities of power device, loss and application, this frequency can relatively this value range be high or low.In theory, frequency or frequency range are absent from restriction.
Transducer according to the present invention, described transducer includes sequentially turned-on multiple two-way switch, to provide bidirectional power flow.Such as, when inputting AC voltage and being phase AC voltage, output AC voltage is high frequency single-phase AC voltage.Or, when inputting AC voltage and being single-phase AC voltage, output AC voltage is high frequency phase AC voltage.
Constitute switch to two-way switch can be the insulated gate gate transistors (IGBT) of the reverse parallel connection cascode level structure a pair with series diode.
Further, according to the present invention, said controller includes:
Multiple comparators, at least one reference signal that each described comparator is applicable to by carrier wave with corresponding to the phase of three-phase AC power source compares, and generates one pole switching signal (SPWM)；
Multiple and computing (AND-ing) device, each described and arithmetic unit is applicable to described unipolar voltage switching signal and frequency signal disjunction operation (AND), to generate the signal of each switch corresponding to being constituted described two-way switch；And
Multiple or computing (OR-ing) device, each described or arithmetic unit be applicable to receive corresponding to constitute each described switch to switch signal and to this signal logic or computing (OR), and apply also for generation triggering signal, for sequentially turned-on switch.
According to the present invention, it is provided that a kind of method for input AC voltage is converted to output AC voltage, including step:
Limit the first switches set including three two-way switch；
In mode one to one, connect one end of each described two-way switch of described first switches set to the terminal of three-phase AC power source；
Connect the other end of each described two-way switch of described first switches set to a terminal of single phase AC power；
Limit the second switch group including three two-way switch；
In mode one to one, connect one end of each described two-way switch of described second switch group to the terminal of three-phase AC power source；
Connect the other end of each described two-way switch of described second switch group to the another terminal of single phase AC power；And
One switch of the switch centering of the predetermined two-way switch in each switches set in described first switches set of sequentially turned-on composition and second switch group, for the phase angle of each 60 degree, thus generation frequency is between the output AC voltage of 50Hz to 30kHz.
The step of a described sequentially turned-on switch mentioned above is further comprising the steps of:
Positive to triangular carrier and sine reference signal and sinusoidal negative reference signal being compared, described positive reference signal and described negative reference signal correspond to the phase of three-phase AC power source；
Generate unipolar voltage switching signal (SPWM)；
Perform at least one in step (i) and (ii): (i) is optionally to described one pole switching signal and square wave frequency signal logic and computing, (ii) the optionally inversion signal disjunction operation of described square wave frequency signal to described one pole switching signal and the expected frequency corresponding to AC output voltage, to generate the signal of each switch corresponding to being constituted described two-way switch；
To correspond to constitute each described switch to the signal logic of switch or computing；And
Generate and trigger the sequentially turned-on switch of signal.
Accompanying drawing explanation
The two-way AC/AC transducer of the present invention is illustrated below in conjunction with accompanying drawing, wherein:
Fig. 1 illustrates the topological structure of the indirect AC/AC transducer of routine；
Fig. 2 illustrates the topological structure of direct AC/AC transducer；
Fig. 3 illustrates the power circuit of the two-way AC/AC transducer of one embodiment of the invention；
Fig. 4 is the schematic diagram figure of control circuit, it illustrates the generation triggering signal of two-way switch shown in Fig. 3；
Fig. 5 illustrates the waveform of the single-phase output voltage through load；And
Fig. 6 and Fig. 7 illustrates for the different input voltage on the two-way AC/AC transducer being applied to one embodiment of the invention, the waveform of corresponding output voltage.
Detailed description of the invention
Below in conjunction with the accompanying drawing being not intended to the scope of the invention, two-way AC/AC transducer is described.This description is only provided by the mode of example and diagram.
Embodiment herein and various feature and favourable details thereof will be described below middle illustrating in conjunction with non-limiting example.The description of known assemblies and treatment technology is omitted at this, to avoid embodiment herein is generated unnecessary obscuring.Example used herein is merely intended to conveniently understand the embodiment that the present invention can implement, and enables those skilled in the art implement embodiments of the present invention further.Therefore, example is not construed as the restriction of the scope to embodiment of the present invention.
Fig. 1 illustrates the topological structure of the indirect AC/AC transducer of routine.As it can be seen, this topological structure provides energy-storage travelling wave tube (10), it typically is capacitor or inducer.In this topological structure, the AC input of input converter is first be converted into the DC output being stored in energy-storage travelling wave tube (10).Afterwards, the energy that energy-storage travelling wave tube (10) stores is further converted into desired waiting and is provided to the AC output connecting load.
From the foregoing description of Fig. 1, it is evident that described topological structure needs at least two-stage power conversion, thus need to use multiple power semiconductor.And, the conducting of increase and switching loss can cause producing higher total harmonic distortion, low power factor and low efficiency in the transducer of the topological structure based on indirect AC/AC transducer.
Fig. 2 illustrates the topological structure of direct AC/AC transducer.As it can be seen, the topological structure of this transducer for being converted to another AC output voltage by ac input voltage, without the direct DC link needed for the conventional indirect AC-AC transducer shown in any Fig. 1.This topological structure, by substituting multiple switching stages and intermediate energy storage element by single power conversion stage, overcomes the restriction of the conventional indirect AC-AC transducer shown in Fig. 1, thus reduces based on the loss in the transducer of the topological structure of matrix converter.
Fig. 3 illustrates the power circuit of the two-way AC/AC transducer of one embodiment of the invention.This transducer is connected between the terminal of three-phase AC power source and the terminal of single phase AC power.Power circuit (300) includes 6 two-way switch, and each two-way switch includes the insulated gate gate transistors (IGBT) with the reverse parallel connection cascode level structure of series diode a pair.6 two-way switch are divided into two switches set.The one end constituting 3 two-way switch of the first switches set is connected to a phase of three-phase AC input in mode one to one, and the other end is connected to the terminal (302) of single phase AC power.The one end constituting 3 two-way switch of second switch group is connected to a phase of three-phase AC input in mode one to one, and the other end is connected to another terminal (304) of single phase AC power.
For ease of explaining, the alphanumeric generally provided by following specification carrys out the various assemblies involved by labelling.
First two-way switch includes IGBTT1 and T2 and respective series diode D1 and D2, second two-way switch includes IGBTT3 and T4 and respective series diode D3 and D4,3rd two-way switch includes IGBTT5 and T6 and respective series diode D5 and D6,4th two-way switch includes IGBTT7 and T8 and respective series diode D7 and D8,5th two-way switch includes IGBTT9 and T10 and its respective series diode D9 and D10, and the 6th two-way switch includes IGBTT11 and T12 and its respective series diode D11 and D12.
Controller be connected to constitute the switch of each two-way switch to each switch.Another switch of the switch centering of one switch of the switch centering of the predetermined two-way switch of sequentially turned-on first switches set of this controller and the predetermined two-way switch of second switch group, to correspond to 60 degree of skews at each phase angle of input AC voltage, thus generate the frequency output AC voltage between 50Hz to 30kHz.
In the 360 degree of cycles inputting AC waveform, only constituting two switches in 12 switches of 6 two-way switch can according to the triggering signal of controller generation at 6 intervals ((I, II, III, IV, V, VI) each in sequence pattern turn on.The switching mode of each switch pre-determines according to the table 1 provided below.
Table 1
| Connect phase | RY | YB | BR | RB | BY | YR |
| Interval | I | II | III | IV | V | VI |
| Switch | ||||||
| T1 | Open | 0 | 0 | 0 | 0 | 0 |
| T2 | 0 | 0 | 0 | 0 | 0 | Open |
| T3 | 0 | Open | 0 | 0 | 0 | 0 |
| T4 | 0 | 0 | 0 | 0 | Open | 0 |
| T5 | 0 | 0 | Open | 0 | 0 | 0 |
| T6 | 0 | 0 | 0 | Open | 0 | 0 |
| T7 | 0 | 0 | 0 | Open | 0 | 0 |
| T8 | 0 | 0 | Open | 0 | 0 | 0 |
| T9 | 0 | 0 | 0 | 0 | 0 | Open |
| T10 | Open | 0 | 0 | 0 | 0 | 0 |
| T11 | 0 | 0 | 0 | 0 | Open | 0 |
| T12 | 0 | Open | 0 | 0 | 0 | 0 |
In first interval (I) of the 0-60 degree corresponding to AC waveform, R and Y is connected and is connected to input power, and IGBTT1 and T10 connects, and provides output to terminal (302) and (304) respectively.
Correspondingly, in second interval (II) of the 60-120 degree corresponding to AC waveform, Y and B is connected and is connected to input power, and IGBTT3 and T12 connects, and provides output to terminal (302) and (304) respectively.
Correspondingly, in the 3rd interval (III) of the 120-180 degree corresponding to AC waveform, B and R is connected and is connected to input power, and IGBTT5 and T8 connects, and provides output to terminal (302) and (304) respectively.
In the 4th interval (IV) of the 180-240 degree corresponding to AC waveform, R and B is connected and is connected to input power, and IGBTT6 and T7 connects, and provides output to terminal (302) and (304) respectively.
In the 5th interval (V) of the 240-300 degree corresponding to AC waveform, B and Y is connected and is connected to input power, and IGBTT4 and T11 connects, and provides output to terminal (302) and (304) respectively.
In the 6th interval (VI) of the 300-360 degree corresponding to AC waveform, Y and R is connected and is connected to input power, and IGBTT2 and T9 connects, and provides output to terminal (302) and (304) respectively.
Description provided above can be construed to the conversion referring to three-phase input AC voltage to single-phase output AC voltage.
Fig. 4 is the schematic diagram of control circuit (400), it illustrates the generation triggering signal of two-way switch shown in Fig. 3.Circuit (400) illustrates the integrated of power circuit in Fig. 3 and the control circuit of the transducer for Fig. 3 (respectively R phase, Y phase and B phase).The control circuit being associated with each phase includes two comparator comp1 and comp2.Each in comparator comp1 and comp2 receives positive reference signal and negative reference signal respectively an input, receives the carrier voltage signal CV being generally triangular wave second input.Positive reference signal is connected to the non-inverting terminals of comparator comp1, and negative reference signal is connected to the non-inverting terminals of comparator comp2.Reference signal and carrier voltage signal CV are compared by comparator comp1 and comp2, and generate unipolar voltage switching signal SPWM in output place.Unipolar voltage switching signal SPWM is provided to two pairs and arithmetic unit (being generally and door) together with frequency logic signal (f logic).Each and Men Yi input terminal place receives SPWM signal, receives frequency logic (f logic) at another input terminal place.Receiving frequency logic signal (f logic) with door a pair, another receives anti-phase frequency logic signal (f logic) to door.The frequency logic signal (f logic) being generally square wave determines the output frequency of two-way AC/AC transducer.The output with door with each control circuit being associated mutually of three-phase AC power source is further used as or the input of arithmetic unit, or arithmetic unit is generally or door, for to the signal logic or the computing that correspond to the switch constituting each two-way switch pair, and generate triggering signal, for the predetermined switch sequentially turned-on switch of order according to table 1 provided above.Circuit (400) comprises or door, is somebody's turn to do or door is configured to:
The output of the control circuit being associated with R phase is respectively connecting to IGBTT1, T2, T7 and T8；
The output of the control circuit being associated with Y phase is respectively connecting to IGBTT3, T4, T9 and T10；And
The output of the control circuit being associated with B phase is respectively connecting to IGBTT5, T6, T11 and T12.
The realization of two-way switch, connection scheme and switching sequence enable the transducer of the present invention to be applied to bidirectional power flow, so that the transducer of the present invention is applicable to regenerated energy and is utilized.Therefore, when inputting AC voltage and being phase AC voltage, output AC voltage is single-phase AC voltage, and vice versa.
The transducer of the present invention enables in particular to produce frequency high frequency output AC voltage in 1kHz to 30kHz scope.
When single-phase ac input voltage is converted to three-phase AC output voltage by needs, by single-phase high frequency ac-input power supply supply to the power circuit including switching device, the three-phase AC with fundamental line frequency is exported and supplies to AC electrical network.The three-phase AC output that line locking generates, the existence (grid connection) making electrical network is necessary for the two-way AC/AC transducer of the present invention.
Fig. 5 illustrates the single-phase output voltage waveforms through load, and wherein single-phase output voltage obtains from three-phase input voltage source.
Fig. 6 and Fig. 7 illustrates for the different input voltages on the two-way AC/AC transducer being applied to embodiments of the invention, the waveform of corresponding output voltage.Waveform corresponding to each phase presses 120 degree of skews.
The AC/AC transducer of the present invention is commonly used to the DC motor in traction locomotive, processing industry and controls (DC driver), AC motor control (AC driver), battery charger, the high voltage rectifier for electrostatic precipitation, the high-current rectifier for electrochemical applications, Treatment of Metal Surface commutator, high pressure (HV) DC actuating device, regenerative resource and power supply regenerative.
Table 2 below gives the comparison of AC/AC transducer of the prior art and the two-way AC/AC transducer of the present invention, in order to illustrate the advance of converter technology of the present invention.
Table 2
Test data
Table 3 below gives the test report of the prototype of two-way AC-AC transducer of the present invention.
Output frequency: 30Khz
Delta frequency: 7Khz
Load: resistance (No. 12 500 Ω/1200W)
Rated power: 3Kw
Table 3 reading:
Technological progress and economic implications
Technological progress provided by the present invention includes realizing:
There is the two-way AC-AC transducer of lesser amt two-way switch；
Small number of two-way switch is utilized to provide the two-way AC-AC transducer of high output frequency；
The two-way AC-AC transducer of the optimization that switching loss reduces；
Simply, the two-way AC-AC transducer optimized；
Effectively, the two-way AC-AC transducer optimized；
Eliminate the two-way AC-AC transducer of the optimization to energy-storage travelling wave tube demand；
The two-way AC-AC transducer of the optimization that power factor increases；And
The two-way AC-AC transducer of the optimization that total harmonic distortion reduces.
The word " including " or its modification that run through this specification are construed as and comprise described element, entirety or step, but are not excluded for other element any, integer or step.
Using word " at least " or " at least one " is that hint uses one or more elements or material or amount, and this usage occurs in an embodiment of the present invention to obtain one or more expectation purpose or result.
The above-mentioned numerical value for various physical parameters, size or amount is only approximation, it is contemplated that the value relatively distributing to the numerical value of parameter, size or amount high/low each falls within the scope of the present invention, unless there is specifically contrary statement in this manual.
The appointment scope no matter being worth is how many, the minimum and the highest numerical value of specified scope each fluctuate 10% value be included within the scope of the invention.
The generality that the description of above-mentioned specific embodiment will disclose embodiment of the present invention completely, make other people pass through to apply existing knowledge and can revise and/or adjust that to make it be applicable to various such as without departing from the application of the specific embodiment of general concept easily, therefore, this type of adjustment and modification should and be intended to be included in implication and the scope of the equivalent of the embodiment of the present invention.It will be appreciated that word used herein and term be only description and unrestricted.Therefore, when embodiment herein is in time describing in the way of preferred embodiment, it will be appreciated by persons skilled in the art that in the spirit and scope of embodiment as herein described, it is possible to implement the embodiment of modification of the present invention.
Claims (9)
1. a transducer, it is adaptable to input AC voltage is optionally converted to output AC voltage, and described transducer is suitable for being connected between the terminal of three-phase AC power source and the terminal of single phase AC power, and described transducer includes:
First switches set, including three two-way switch, wherein, one end of each two-way switch is to be connected with the terminal of three-phase AC power source mode one to one, and the other end is connected to a terminal of single phase AC power；
Second switch group, including three two-way switch, wherein, one end of each two-way switch is to be connected with the terminal of three-phase AC power source mode one to one, and the other end is connected to another terminal of single phase AC power；And
Controller, it is connected to constitute each switch of the switch centering of each described two-way switch, described controller is applicable to another switch of the switch centering of a switch of the switch centering of the predetermined two-way switch of sequentially turned-on described first switches set and the predetermined two-way switch of described second switch group, to correspond to the phase angle of each 60 degree that input AC voltage, thus generate the frequency output AC voltage between 50Hz to 30kHz.
2. transducer as claimed in claim 1, wherein, described transducer is single-stage converter.
3. transducer as claimed in claim 1, wherein, described input AC voltage is phase AC voltage, and described output AC voltage is single-phase AC voltage.
4. transducer as claimed in claim 1, wherein, described input AC voltage is single-phase AC voltage, and described output AC voltage is phase AC voltage.
5. transducer as claimed in claim 1, wherein, the frequency of described output AC voltage is between 1kHz to 30kHz.
6. transducer as claimed in claim 1, wherein, the insulated gate gate transistors (IGBT) of the described switch reverse parallel connection cascode level structure to having series diode for a pair.
7. transducer as claimed in claim 1, wherein, described controller includes:
Multiple comparators, at least one reference signal that each described comparator is applicable to by carrier wave with corresponding to the phase of three-phase AC power source compares, and generates one pole switching signal (SPWM)；
Multiple and arithmetic unit, each described and arithmetic unit is applicable to described one pole switching signal and frequency signal disjunction operation, to generate the signal of each switch corresponding to being constituted described two-way switch；And
Multiple or arithmetic unit, each described or arithmetic unit be applicable to receive corresponding to constitute each described switch to switch signal and to this signal logic or computing, and apply also for generation and trigger signal, for described sequentially turned-on switch.
8. method input AC voltage being converted to output AC voltage, described method includes step:
Limit the first switches set including three two-way switch；
In mode one to one, connect one end of each described two-way switch of described first switches set to the terminal of three-phase AC power source；
Connect the other end of each described two-way switch of described first switches set to a terminal of single phase AC power；
Limit the second switch group including three two-way switch；
In mode one to one, connect one end of each described two-way switch of described second switch group to the terminal of three-phase AC power source；
Connect the other end of each described two-way switch of described second switch group to the another terminal of single phase AC power；And
One switch of the switch centering of the predetermined two-way switch in each switches set in described first switches set of sequentially turned-on composition and second switch group, to realize the phase angle of each 60 degree, thus generate the frequency output AC voltage between 50Hz to 30kHz.
9. method as claimed in claim 8, wherein, the step of a described sequentially turned-on switch is further comprising the steps of:
Positive to triangular carrier and sine reference signal and sinusoidal negative reference signal being compared, described positive reference signal and described negative reference signal correspond to the phase of three-phase AC power source；
Generate one pole switching signal (SPWM)；
Perform step: (i) is optionally to described one pole switching signal and square wave frequency signal logic and computing, and/or (ii) optionally inversion signal disjunction operation of square wave frequency signal to described one pole switching signal and the expected frequency corresponding to AC output voltage, to generate the signal of each switch corresponding to being constituted described two-way switch；
To correspond to constitute each described switch to the signal logic of switch or computing；And
Generate the triggering signal for described sequentially turned-on switch.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN6/MUM/2013 | 2013-06-20 | ||
| IN6MU2013 IN2013MU00006A (en) | 2013-06-20 | 2014-06-20 | |
| PCT/IN2014/000414 WO2014203282A2 (en) | 2013-06-20 | 2014-06-20 | Ac/ac converter for conversion between three phase and single phase power supplies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105765846A true CN105765846A (en) | 2016-07-13 |
| CN105765846B CN105765846B (en) | 2019-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480046397.6A Active CN105765846B (en) | 2013-06-20 | 2014-06-20 | AC/AC converter for being converted between three phase mains and single phase poaer supply |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3011665A4 (en) |
| CN (1) | CN105765846B (en) |
| IN (1) | IN2013MU00006A (en) |
| WO (1) | WO2014203282A2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5274538A (en) * | 1990-10-16 | 1993-12-28 | Mitsubishi Denki Kabushiki Kaisha | Power conversion apparatus |
| CN103038993A (en) * | 2011-05-26 | 2013-04-10 | 松下电器产业株式会社 | AC conversion circuit, AC conversion method, and recording medium |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5909367A (en) * | 1997-06-02 | 1999-06-01 | Reliance Electric Industrial Company | Modular AC-AC variable voltage and variable frequency power conveter system and control |
| EP1306964A1 (en) * | 2001-10-29 | 2003-05-02 | Phase Motion Control S.r.l. | Control method for an AC-AC matrix converter |
| US7310254B2 (en) * | 2006-02-15 | 2007-12-18 | Rockwell Automation Technologies, Inc. | AC-to-AC (frequency) converter with three switches per leg |
| JP4029904B2 (en) * | 2006-04-28 | 2008-01-09 | ダイキン工業株式会社 | Matrix converter and control method of matrix converter |
| JP4957303B2 (en) * | 2007-03-14 | 2012-06-20 | 株式会社明電舎 | Space vector modulation method for AC-AC direct conversion device |
| JP5377603B2 (en) * | 2011-09-06 | 2013-12-25 | 日産自動車株式会社 | Power converter |
-
2014
- 2014-06-20 EP EP14814235.9A patent/EP3011665A4/en not_active Ceased
- 2014-06-20 WO PCT/IN2014/000414 patent/WO2014203282A2/en active Application Filing
- 2014-06-20 IN IN6MU2013 patent/IN2013MU00006A/en unknown
- 2014-06-20 CN CN201480046397.6A patent/CN105765846B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5274538A (en) * | 1990-10-16 | 1993-12-28 | Mitsubishi Denki Kabushiki Kaisha | Power conversion apparatus |
| CN103038993A (en) * | 2011-05-26 | 2013-04-10 | 松下电器产业株式会社 | AC conversion circuit, AC conversion method, and recording medium |
Non-Patent Citations (1)
| Title |
|---|
| 吴胜华等: "矩阵式单相变频电源自然换流驱动策略研究", 《空军雷达学院学报》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3011665A4 (en) | 2017-04-26 |
| CN105765846B (en) | 2019-07-19 |
| IN2013MU00006A (en) | 2015-06-05 |
| WO2014203282A3 (en) | 2015-04-30 |
| EP3011665A2 (en) | 2016-04-27 |
| WO2014203282A2 (en) | 2014-12-24 |
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