CN107196548A - Three-phase high-gain Buck Boost integrated form boosting inverters - Google Patents
Three-phase high-gain Buck Boost integrated form boosting inverters Download PDFInfo
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- CN107196548A CN107196548A CN201710491002.9A CN201710491002A CN107196548A CN 107196548 A CN107196548 A CN 107196548A CN 201710491002 A CN201710491002 A CN 201710491002A CN 107196548 A CN107196548 A CN 107196548A
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- switching tube
- counnter attack
- boost
- attack diode
- inductance
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal 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
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal 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, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal 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, e.g. single switched pulse inverters in a bridge configuration
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1582—Buck-boost converters
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal 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
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal 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, e.g. single switched pulse inverters
- H02M7/539—Conversion of dc power input into ac power output without possibility of reversal 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, e.g. single switched pulse inverters with automatic control of output wave form or frequency
- H02M7/5395—Conversion of dc power input into ac power output without possibility of reversal 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, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a kind of three-phase high-gain Buck Boost integrated form boosting inverters, including counnter attack diode D1‑D3, boost inductance L1, switching tube S1‑S6, counnter attack diode D1One end be connected with boost inductance L1, counnter attack diode D1The other end be connected in parallel to switching tube S1With switching tube S2；The counnter attack diode D2One end be connected with boost inductance L1, counnter attack diode D2The other end be connected in parallel to switching tube S3With switching tube S4；Counnter attack diode D3One end be connected with boost inductance L1, counnter attack diode D3The other end be connected in parallel to switching tube S5With switching tube S6.The inverter of the present invention realizes the integrated of three Buck Boosts and three-phase full-bridge inverter, and script is converted into the function of realizing by two stage power is realized by single-stage power conversion, is reduced system bulk and cost, is improved level of integrated system.
Description
Technical field
The invention belongs to technical field of photovoltaic power generation, and in particular to a kind of three-phase high-gain Buck-Boost integrated forms boosting
Inverter.
Background technology
The output voltage of photovoltaic cell is generally relatively low, and is influenceed and wide fluctuations by intensity of illumination, environment temperature, past
It is available stable alternating voltage toward boosting inverter is needed by its inversion.Using the DC-DC converter with boost capability
(such as Boost, Boost-Buck converters) is cascaded with voltage-type full-bridge inverter, can conveniently realize boosting inverse
Become.However, to there is number of elements more for this scheme, cost is high and the shortcomings of relatively low integrated level.Therefore, more and more in recent years
Scholar start will research sight turn to single stage type boosting inverter.At present, it has been seen in the single stage type boosting inverter master of report
Have：Current source inverter, Z-source inverter, differential type inverter, adduction formula inverter, integrated form inverter etc..Integrated form is inverse
Become device by sharing power device, boost inverter and conventional full bridge inverter are integrated.Compared with first four kinds, collection
Accepted way of doing sth inverter significantly reduces number of elements, reduces system cost and improves integrated level.
The content of the invention
Goal of the invention：The invention aims to solve deficiency of the prior art, there is provided a kind of three-phase high-gain
Buck-Boost integrated form boosting inverters, the inverter realizes three One Buck-Boost converter bodies and three-phase full-bridge inverter
It is integrated, by script by two stage power convert realize function realized by single-stage power conversion, reduce system bulk and cost,
Improve level of integrated system.
Technical scheme：A kind of three-phase high-gain Buck-Boost integrated form boosting inverters of the present invention, including it is anti-
Anti- diode D1-D3, boost inductance L1, switching tube S1-S6, the counnter attack diode D1One end be connected with boost inductance L1, institute
State counnter attack diode D1The other end be connected in parallel to switching tube S1With switching tube S2；The counnter attack diode D2One end connection
There is boost inductance L1, the counnter attack diode D2The other end be connected in parallel to switching tube S3With switching tube S4；The pole of counnter attack two
Pipe D3One end be connected with boost inductance L1, the counnter attack diode D3The other end be connected in parallel to switching tube S5And switching tube
S6。
Further, the counnter attack diode D1Negative electrode be connected with boost inductance L1, the counnter attack diode D1Anode
It is connected in parallel to switching tube S1With switching tube S2。
Further, the counnter attack diode D2Negative electrode be connected with boost inductance L1, the counnter attack diode D2Anode
It is connected in parallel to switching tube S3With switching tube S4。
Further, the counnter attack diode D3Negative electrode be connected with boost inductance L1, the counnter attack diode D3Anode
It is connected in parallel to switching tube S5With switching tube S6。
Further, in addition to filter inductance Lo1-Lo3, filter capacitor Co1-Co3, described filter inductance Lo1-Lo3Each
Wherein one end respectively with counnter attack diode D1-D3Anode connection, filter inductance Lo1-Lo3The respective other end respectively with filtering
Electric capacity Co1-Co3Connect one to one.
Further, in addition to boosting filter capacitor Cin, the boosting filter capacitor CinPositive pole and boost inductance L1Even
Connect, boosting filter capacitor CinNegative pole and switching tube S2, switching tube S4, switching tube S6Connection.
A kind of modulator approach of above-mentioned three-phase high-gain Buck-Boost integrated form boosting inverters, is by using three-phase
SPWM modulator approaches, to realize the DC voltage pumping-up and output voltage sineization of three-phase Buck-Boost integrated form inverters.
Beneficial effect：The inverter of the present invention realizes the collection of three One Buck-Boost converter bodies and three-phase full-bridge inverter
Into the function that script is converted into realization by two stage power is realized by single-stage power conversion, reduces system bulk and cost, is improved
Level of integrated system.
Brief description of the drawings
Fig. 1 is one embodiment main circuit topological structure schematic diagram of inverter of the present invention；
Fig. 2 is the topology structure evolution schematic diagram of inverter of the present invention；
Fig. 3 is the three-phase modulations ripple timing diagram in modulator approach of the present invention；
Fig. 4 is one of mode equivalent circuit diagram in modulator approach of the present invention；
Fig. 5 is one of mode equivalent circuit diagram in modulator approach of the present invention；
Fig. 6 is one of mode equivalent circuit diagram in modulator approach of the present invention；
Fig. 7 is one of mode equivalent circuit diagram in modulator approach of the present invention；
Fig. 8 is one of mode equivalent circuit diagram in modulator approach of the present invention；
Fig. 9 is one of mode equivalent circuit diagram in modulator approach of the present invention；
Figure 10 is one of mode equivalent circuit diagram in modulator approach of the present invention；
Figure 11 be modulator approach of the present invention in interval 1 equivalent oscillogram；
Figure 12 be modulator approach of the present invention in interval 2 equivalent oscillogram；
Figure 13 be modulator approach of the present invention in interval 3 equivalent oscillogram；
Figure 14 is the system emulation oscillogram under the Three-phase SPWM modulation system in simulating, verifying of the present invention；
Figure 15 is the system emulation oscillogram under the Three-phase SPWM modulation system in simulating, verifying of the present invention.
Embodiment
Technical scheme is made into once describing in detail with reference to specific embodiments and the drawings.
A kind of circuit topology figure of three-phase high-gain Buck-Boost integrated form boosting inverters as shown in Figure 1, including
Counnter attack diode D1-D3, boost inductance L1, switching tube S1-S6, the counnter attack diode D1One end be connected with boost inductance L1,
The counnter attack diode D1The other end be connected in parallel to switching tube S1With switching tube S2；The counnter attack diode D2One end connect
It is connected to boost inductance L1, the counnter attack diode D2The other end be connected in parallel to switching tube S3With switching tube S4；The counnter attack two
Pole pipe D3One end be connected with boost inductance L1, the counnter attack diode D3The other end be connected in parallel to switching tube S5And switch
Pipe S6。
It is used as the further optimization of the present embodiment：
It is preferred that, the counnter attack diode D1Negative electrode be connected with boost inductance L1, the counnter attack diode D1Anode simultaneously
Connection is connected with switching tube S1With switching tube S2；The counnter attack diode D2Negative electrode be connected with boost inductance L1, the pole of counnter attack two
Pipe D2Anode be connected in parallel to switching tube S3With switching tube S4；The counnter attack diode D3Negative electrode be connected with boost inductance L1,
The counnter attack diode D3Anode be connected in parallel to switching tube S5With switching tube S6。
It is preferred that, in order to ensure the filter effect of output signal, in addition to filter inductance Lo1-Lo3, filter capacitor Co1-Co3,
Described filter inductance Lo1-Lo3Respective wherein one end respectively with counnter attack diode D1-D3Anode connection, filter inductance Lo1-
Lo3The respective other end respectively with filter capacitor Co1-Co3Connect one to one.
It is preferred that, in order to ensure the filter effect of input signal, in addition to boosting filter capacitor Cin, the boosting filtered electrical
Hold CinPositive pole and boost inductance L1Connection, boosting filter capacitor CinNegative pole and switching tube S2, switching tube S4, switching tube S6Even
Connect.
Fig. 2 gives the topology evolution process of the novel inverter.As seen from Figure 2, it is converted by Buck-Boost
Device is developed, and by being multiplexed the switching tube of full-bridge inverter, realizes three One Buck-Boost converter bodies and three phase full bridge inversion
Device it is integrated, by script by two stage power convert realize function realized by single-stage power conversion, reduce system bulk and into
This, improves level of integrated system.
The three-phase high-gain Buck-Boost integrated forms boosting inverter of the present invention uses conventional three-phase SPWM modulator approaches,
To realize the DC voltage pumping-up and output voltage sineization of three-phase Buck-Boost integrated form inverters., will for ease of analysis
Three-phase modulations ripple by being divided into six intervals as shown in Figure 3.When table 1 gives conventional three-phase SPWM modulation, integrated form boosting is inverse
Become switching sequence of the device within each interval single switch cycle.
With reference to the switching sequence, can analyze the operation principle that draws three-phase Buck-Boost integrated form boosting inverters and
Characteristic.Because inverter is substantially similar in rear 3 interval courses of work in preceding 3 interval courses of work, therefore herein only
Analyzed in the past exemplified by 3 interval courses of work.For simplifying the analysis, assume initially that inverter work has reached steady
State, and meet following condition：
1) all power tubes, inductance, electric capacity are ideal component；
2) input voltage UinIt is constant, therefore constant pressure source can be equivalent to；
3) electric capacity CinIt is sufficiently large, its terminal voltage UCApproximately constant, therefore constant pressure source can be equivalent to；
4) node n2Current potential be zero.
Based on above-mentioned it is assumed that the course of work of the boosting inverter in each interval single switch cycle is segmented into 6
Mode, the corresponding equivalent circuit of each operation mode is as shown in Fig. 4 to Figure 10, its key operation waveforms such as Figure 11 to Figure 13 institutes
Show, analyzed separately below.
The switching sequence of table 1
Interval is 1.
Mode 1：[t0-t1] (equivalent circuit is as shown in Figure 4)
In t0Moment, S1, S4And S6Conducting, diode D1Turn on and D2And D3Reverse-biased cut-off.L1Bear forward voltage Uin, electricity
Inducing current iL1(t) linear increase, to t1Moment, mode 1 terminates.
Mode 2：[t1-t2] (equivalent circuit is as shown in Figure 5)
In t1Moment, S6Shut-off, S5Conducting, diode D1And D3Turn on and D2Reverse-biased cut-off.L1Bear forward voltage Uin, electricity
Inducing current iL1(t) linear increase, to t2Moment, mode 2 terminates.
Mode 3：[t2-t3] (equivalent circuit is as shown in Figure 6)
In t2Moment, S4Shut-off, S3Conducting, diode D1, D2And D3It is both turned on.L1Bear forward voltage Uin, inductive current
iL1(t) linear increase, to t3Moment, mode 3 terminates.
Mode 4：[t3-t4] (equivalent circuit is as shown in Figure 5)
In t3Moment, S3Shut-off, S4Conducting, to t4Moment, mode 4 terminates.The Modality work process and the basic phase of mode 2
Together, thus will not be repeated here.
Mode 5：[t4-t5] (equivalent circuit is as shown in Figure 4)
In t4Moment, S5Shut-off, S6Conducting, to t5Moment, mode 5 terminates.The Modality work process and the basic phase of mode 1
Together, repeat no more again.
Mode 6：[t5-t6] (equivalent circuit is as shown in Figure 7)
In t5Moment, S1Shut-off, S2Conducting, D1, D2And D3Afterflow.L1Bear backward voltage UC, electric current iL1(t) linearly subtract
It is small.To t6Moment, mode 6 terminates.Next switch periods start, and repeat said process.
Interval is 2.
Mode 1：(equivalent circuit is as shown in Figure 4)
In t0Moment, S1, S4And S6Conducting, to t1Moment, mode 1 terminates.The Modality work process with it is interval 1. in mould
State 1 is essentially identical, therefore will not be repeated here.
Mode 2：(equivalent circuit is as shown in Figure 8)
In t1Moment, S4Shut-off, S3Conducting, diode D1, D2Turn on and D3Reverse-biased cut-off.L1Bear forward voltage Uin, electricity
Inducing current iL1(t) linear increase, to t2Moment, mode 2 terminates.
Mode 3：(equivalent circuit is as shown in Figure 6)
In t2Moment, S6Shut-off, S5Conducting, to t3Moment, mode 3 terminates.The Modality work process with it is interval 1. in mould
State 3 is essentially identical, therefore will not be repeated here.
Mode 4：(equivalent circuit is as shown in Figure 8)
In t3Moment, S5Shut-off, S6Conducting, to t4Moment, mode 4 terminates.The Modality work process and the basic phase of mode 2
Together, thus will not be repeated here.
Mode 5：(equivalent circuit is as shown in Figure 9)
In t4Moment, S3Shut-off, S4Conducting, diode D1Turn on and D2And D3Reverse-biased cut-off.L1Bear forward voltage Uin, electricity
Inducing current iL1(t) linear increase.To t5Moment, mode 5 terminates.
Mode 6：(equivalent circuit is as shown in Figure 7)
In t5Moment, S1Shut-off, S2Conducting, D1, D2And D3Afterflow.To t6Moment, mode 6 terminates.The Modality work process
With it is interval 1. in mode 6 it is essentially identical, therefore will not be repeated here.Next switch periods start, and repeat said process.
Interval is 3.
Mode 1：(equivalent circuit is as shown in Figure 8)
In t0Moment, S1, S3And S6Conducting, to t1Moment, mode 1 terminates.The Modality work process with it is interval 2. in mould
State 2 is essentially identical, therefore will not be repeated here.
Mode 2：(equivalent circuit is as shown in Figure 6)
In t1Moment, S6Shut-off, S5Conducting, to t2Moment, mode 2 terminates.The Modality work process with it is interval 1. in mould
State 3 is essentially identical, therefore will not be repeated here.
Mode 3：(equivalent circuit is as shown in Figure 8)
In t2Moment, S5Shut-off, S6Conducting, to t3Moment, mode 3 terminates.The Modality work process and the basic phase of mode 1
Together, thus will not be repeated here.
Mode 4：(equivalent circuit is as shown in Figure 10)
In t3Moment, S1Shut-off, S2Conducting, diode D2Conducting, and D1And D3Reverse-biased cut-off.L1Bear forward voltage Uin,
Inductive current iL1(t) linear increase, to t4Moment, mode 4 terminates.
Mode 5：(equivalent circuit is as shown in Figure 7)
In t4Moment, S3Shut-off, S4Conducting, to t5Moment, mode 5 terminates.The Modality work process with it is interval 1. in mould
State 6 is essentially identical, therefore will not be repeated here.
Mode 6：(equivalent circuit is as shown in Figure 10)
In t5Moment, S4Shut-off, S3Conducting, to t6Moment, mode 6 terminates.The Modality work process and the basic phase of mode 4
Together, thus will not be repeated here.Next switch periods start, and repeat said process.
Simulating, verifying
To verify the correctness of proposed three-phase Buck-Boost integrated form boosting inverters, a 1kW/ is constructed
10kHz model machine, and carried out Saber simulating, verifyings.The main circuit parameter of the model machine is as shown in table 2.Inverter is adopted in emulation
Use permanent resistive load.
Figure 14 to Figure 15 is given under conventional three-phase SPWM modulation systems, and input voltage is 120V, power output Po=1kW
When, inverter three phase sine modulating wave uar,ubr,ucr, triangular carrier uc, input voltage uin, boost inductor current iL1, direct current
Busbar voltage udcWith output voltage uoa、uob、uocSimulation waveform.As can be seen that boost inductor current iL1In contain 3 times of power frequencies
Component, its peak-to-peak value of pulsing is about 10.4A；uoa、uob、uocVirtual value be 220V, voltage gain now is G=2.59,
Corresponding modulation ratio is 0.826.Simulation result shows that the inversion can realize boosting and inversion function well.
The inverter circuit parameter of table 2
The inverter of the present invention realizes integrated, general's script of three One Buck-Boost converter bodies and three-phase full-bridge inverter
The function of realizing is converted by two stage power to be realized by single-stage power conversion, is reduced system bulk and cost, is improved system collection
Cheng Du.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made 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, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention
Any simple modification, equivalent variations and the modification made to above example, in the range of still falling within technical solution of the present invention.
Claims (7)
1. a kind of three-phase high-gain Buck-Boost integrated form boosting inverters, it is characterised in that：Including counnter attack diode D1-D3,
Boost inductance L1, switching tube S1-S6, the counnter attack diode D1One end be connected with boost inductance L1, the counnter attack diode D1
The other end be connected in parallel to switching tube S1With switching tube S2；The counnter attack diode D2One end be connected with boost inductance L1, institute
State counnter attack diode D2The other end be connected in parallel to switching tube S3With switching tube S4；The counnter attack diode D3One end connection
There is boost inductance L1, the counnter attack diode D3The other end be connected in parallel to switching tube S5With switching tube S6。
2. a kind of three-phase high-gain Buck-Boost integrated form boosting inverters according to claim 1, it is characterised in that：
The counnter attack diode D1Negative electrode be connected with boost inductance L1, the counnter attack diode D1Anode be connected in parallel to switching tube
S1With switching tube S2。
3. a kind of three-phase high-gain Buck-Boost integrated form boosting inverters according to claim 1, it is characterised in that：
The counnter attack diode D2Negative electrode be connected with boost inductance L1, the counnter attack diode D2Anode be connected in parallel to switching tube
S3With switching tube S4。
4. a kind of three-phase high-gain Buck-Boost integrated form boosting inverters according to claim 1, it is characterised in that：
The counnter attack diode D3Negative electrode be connected with boost inductance L1, the counnter attack diode D3Anode be connected in parallel to switching tube
S5With switching tube S6。
5. a kind of three-phase high-gain Buck-Boost integrated form boosting inverters according to claim 1, it is characterised in that：
Also include filter inductance Lo1-Lo3, filter capacitor Co1-Co3, described filter inductance Lo1-Lo3Respective wherein one end is respectively with preventing
Anti- diode D1-D3Anode connection, filter inductance Lo1-Lo3The respective other end respectively with filter capacitor Co1-Co3Correspond
Connection.
6. a kind of three-phase high-gain Buck-Boost integrated form boosting inverters according to claim 1, it is characterised in that：
Also include boosting filter capacitor Cin, the boosting filter capacitor CinPositive pole and boost inductance L1Connection, boosting filter capacitor Cin
Negative pole and switching tube S2, switching tube S4, switching tube S6Connection.
7. a kind of modulator approach of three-phase high-gain Buck-Boost integrated form boosting inverters according to claim 1,
It is characterized in that：Using Three-phase SPWM modulator approach, to realize the direct current press pump of three-phase Buck-Boost integrated form inverters
Rise and output voltage sineization.
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Cited By (3)
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| CN108649824A (en) * | 2018-06-26 | 2018-10-12 | 重庆大学 | The wireless energy transmission circuit of single-stage boost inverter and its composition |
| CN110729899A (en) * | 2019-11-01 | 2020-01-24 | 山东大学 | Wide-input wide-output three-phase high-gain direct current converter and control method |
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| US20140217827A1 (en) * | 2013-02-01 | 2014-08-07 | 3L Power Llc | Apparatus for and method of operation of a power inverter system |
| CN105262362A (en) * | 2015-11-09 | 2016-01-20 | 南通大学 | A high-gain Buck-Boost integrated inverter and a control method |
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Application publication date: 20170922 |