CN103997248A - Switch coupling inductor soft switching single-stage boost inverter with high voltage gain - Google Patents
Switch coupling inductor soft switching single-stage boost inverter with high voltage gain Download PDFInfo
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- CN103997248A CN103997248A CN201410241876.5A CN201410241876A CN103997248A CN 103997248 A CN103997248 A CN 103997248A CN 201410241876 A CN201410241876 A CN 201410241876A CN 103997248 A CN103997248 A CN 103997248A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The invention belongs to the technical field of DC-AC inversion equipment and relates to a switch coupling inductor soft switching single-stage boost inverter with high voltage gain. A first winding and a second winding are dotted terminal, one end of an inductor is connected with the positive electrode of a DC power source, the other end of the inductor is connected with the negative electrode of a second capacitor, the positive electrode of the second capacitor is connected with a three-phase voltage bridge type inverter circuit, the negative electrode of a first rectifier diode is connected with the second winding of a coupling inductor, the first rectifier diode and the coupling inductor are connected at the two ends of the second capacitor in parallel after being connected in series, the positive electrode of a second rectifier diode is connected with the positive electrode of the first rectifier diode, the negative electrode of the second rectifier diode is connected with the common terminal of the first winding and the second winding and the positive electrode of a first capacitor, and the negative electrode of the first capacitor is connected with the negative electrode of the DC power source and the three-phase voltage bridge type inverter circuit. The switch coupling inductor soft switching single-stage boost inverter with the high voltage gain is simple in structure, small in electromagnetic interference influence, low in loss, low in cost, high in energy conversion efficiency and friendly to work environment.
Description
Technical field:
The invention belongs to DC-AC contravariant equipment technical field, relate to a kind of DC-AC inverter, particularly a kind of soft switch single-stage inverter capable of boosting voltage of switch coupling inductance with high voltage gain.
Background technology:
Existing improvement transformer type Z-source inventer, comprise an inductance, two electric capacity, rectifier diode, coupling inductance and three-phase voltage type bridge inverter main circuit, this improvement transformer type Z-source inventer has improved continuous input current and the step-up ratio of traditional Z-source inventer/accurate Z-source inventer.But, due to the existence of stray inductance in the ring of coupling inductance leakage inductance and circuit, cause the voltage stress of switching device higher, and produce more electromagnetic interference (EMI).Due to voltage spikes and ring that leakage inductance and stray inductance can cause DC-link voltage, can damage active device, and reduce the efficiency of whole system.Meanwhile, the hard switching environment that converter bridge switching parts pipe " leads directly to " state is larger on system effectiveness impact.Therefore, seek to design a kind of simple in structure, consume energy the soft switch single-stage inverter capable of boosting voltage of the switch coupling inductance with high voltage gain low, electromagnetic interference is little, efficiency is high.
Summary of the invention:
The object of the invention is to overcome the shortcoming that prior art exists, seek design a kind of soft switch single-stage inverter capable of boosting voltage of switch coupling inductance with high voltage gain is provided, its power switch pipe quantity is few, be operated under soft switch environment, loss is low, electromagnetic interference influence is little, realizes efficient energy conversion.
To achieve these goals, agent structure of the present invention comprises DC power supply, inductance, the first electric capacity, the second electric capacity, the first rectifier diode, the second rectifier diode, the coupling inductance being made up of the first winding and the second winding and by six insulated gate bipolar transistors (IGBT) and six three-phase voltage type bridge inverter main circuits that anti-paralleled diode constitutes, the first winding of coupling inductance and the second winding Same Name of Ends each other, one end of inductance is connected with the positive pole of DC power supply, the other end of inductance is connected with the negative pole of the second electric capacity, the positive pole of the second electric capacity is connected with three-phase voltage type bridge inverter main circuit, the negative electrode of the first rectifier diode is connected with the second winding of coupling inductance, the first rectifier diode is connected in parallel on the two ends of the second electric capacity after connecting with the coupling inductance being made up of the first winding and the second winding, the anode of the second rectifier diode is connected with the anode of the first rectifier diode, the negative electrode of the second rectifier diode is connected with the first winding and common port of the second winding and the positive pole of the first electric capacity, the negative pole of the first electric capacity is connected with the negative pole of DC power supply and three-phase voltage type bridge inverter main circuit, three-phase voltage type bridge inverter main circuit comprises six brachium pontis, each brachium pontis is connected and is formed by an insulated gate bipolar transistor (IGBT) and an anti-paralleled diode, the output of three-phase voltage type bridge inverter main circuit is picked out respectively by three groups of brachium pontis of mutual correspondence, three-phase voltage type bridge inverter main circuit is the output of whole device, receive direct current energy, output AC electric energy.
There are three kinds of courses of work in the soft switched inductors monopole inverter capable of boosting voltage of the switch coupling inductance with high voltage gain that the present invention relates to, the straight-through course of work of three-phase voltage type bridge inverter main circuit, the course of work that three-phase voltage type bridge inverter main circuit turn-offs and inverter are operated in the course of work of traditional nought state and traditional effective status, the straight-through course of work of three-phase voltage type bridge inverter main circuit is: before three-phase voltage type bridge inverter main circuit is straight-through, circuit working is at typical non-direct mode operation, now the first rectifier diode conducting, the energy of the first rectifier diode is sent to load by coupling inductance, in the time of the conducting of three-phase voltage type bridge inverter main circuit, leakage inductance electric current by the second winding passes to three-phase voltage type bridge inverter main circuit from anti-paralleled diode gradually, the magnetizing inductance charging of inductance and coupling inductance, in the time that the leakage inductance electric current of coupling inductance the second winding drops to zero, the first rectifier diode turn-offs naturally, the leakage inductance of coupling inductance the second winding reduces the reverse-recovery problems of the first rectifier diode, and realize the zero-current soft switch of three-phase voltage type bridge inverter main circuit, the course of work that three-phase voltage type bridge inverter main circuit turn-offs is: when three-phase voltage type bridge inverter main circuit turn-offs, adopt the shutoff of insulated gate bipolar transistor (IGBT) in PWM (pulse width modulation) signal controlling three-phase voltage type bridge inverter main circuit, because three-phase voltage type bridge inverter main circuit exists parasitic capacitance in parallel, capacitance voltage can not suddenly change, the leakage inductance of inductance and coupling inductance the first winding is to the parasitic capacitance charging in parallel of three-phase voltage type bridge inverter main circuit, until the magnitude of voltage at parasitic capacitance in parallel two ends reaches V
c1+ V
c2, three-phase voltage type bridge inverter main circuit is realized Zero-voltage soft and is turn-offed, and now the voltage clamp at three-phase voltage type bridge inverter main circuit parasitic capacitance in parallel two ends is to V
c1+ V
c2thereby, the conducting simultaneously of the first rectifier diode and the second rectifier diode, the second rectifier diode therefore increasing can stop the voltage at three-phase voltage type bridge inverter main circuit two ends to exceed V
c1+ V
c2the leakage inductance electric current of coupling inductance the first winding reduces, and the energy being stored in leakage inductance discharges to load under disresonance pattern, drops at 1 o'clock by the electric current of the second rectifier diode, the second rectifier diode turn-offs under zero-current soft switch environment, reduces the reverse restorability of diode, inverter is operated in the course of work of traditional nought state and traditional effective status: the steady operation running status that circuit working turn-offs at anti-paralleled diode conducting, anti-paralleled diode, start inverter and be operated in traditional nought state, inverter is operated in traditional effective status afterwards, now inverter bridge can be regarded a current source as, together with the leakage inductance of input voltage, inductance and coupling inductance the first winding, give output stage, the first electric capacity and the second capacitor charging, last inverter is operated in traditional nought state again, wherein V
c1be the voltage at the first electric capacity two ends, V
c2be the voltage at the second electric capacity two ends.
When the present invention works, utilize the first winding of coupling inductance and the second winding to realize the high-gain of circuit; Due to the existence of coupling inductance the first winding leakage inductance, realize the zero current passing of three-phase voltage type bridge inverter main circuit; Due to the existence of three-phase voltage type bridge inverter main circuit parasitic capacitance in parallel, realize the no-voltage of three-phase voltage type bridge inverter main circuit and turn-off; The existence of coupling inductance the second winding leakage inductance, reduces the reverse-recovery problems of the first rectifier diode, realizes the zero-current switching of the second rectifier diode; In whole switch periods, adopt the shutoff of insulated gate bipolar transistor (IGBT) in pwm signal control three-phase voltage type bridge inverter main circuit, three-phase voltage type bridge inverter main circuit is realized no-voltage and is turn-offed under the effect of parasitic capacitance in parallel, under the effect of coupling inductance leakage inductance, realize the zero current passing of three-phase voltage type bridge inverter main circuit, the second rectifier diode increasing is transformed into load by the energy in leakage inductance under disresonance pattern, realizes the Lossless Snubber of energy.
Compared with prior art, this inverter can recently reach by changing the turn ratio of coupling inductance and the straight-through duty of inverter any adjusting of voltage gain in the present invention, has improved the continuity of input current of inverter, the rectifier diode D of increase
2contribute to the energy in leakage inductance to be transformed into load under disresonance pattern, improved the efficiency of system, the active device of inverter and rectifier diode are operated under soft switch environment, and the reverse-recovery problems of diode improves; It is simple in structure, and electromagnetic interference influence is little, and loss is few, and cost is low, and energy conversion efficiency is high, environmental work close friend.
Brief description of the drawings:
Fig. 1 is agent structure circuit theory schematic diagram of the present invention.
Embodiment:
Below by embodiment, also the invention will be further described by reference to the accompanying drawings.
Embodiment:
The agent structure of the present embodiment comprises DC power supply V
in, inductance L
1, the first capacitor C
1, the second capacitor C
2, the first rectifier diode D
7, the second rectifier diode D
8, by the first winding L
awith the second winding L
bcomposition coupling inductance and by insulated gate bipolar transistor (IGBT) S
1～S
6with anti-paralleled diode D
1～D
6the three-phase voltage type bridge inverter main circuit constituting; The first winding L of coupling inductance
awith the second winding L
bsame Name of Ends each other, inductance L
1one end and DC power supply V
inpositive pole be connected, inductance L
1the other end and the second capacitor C
2negative pole be connected, the second capacitor C
2positive pole be connected with three-phase voltage type bridge inverter main circuit, the first rectifier diode D
1negative electrode and the second winding L of coupling inductance
bbe connected, the first rectifier diode D
7with by the first winding L
aand second winding L
bafter the coupling inductance series connection of composition, be connected in parallel on the second capacitor C
2two ends, the second rectifier diode D
8anode and the first rectifier diode D
7anode be connected, the second rectifier diode D
8negative electrode and the first winding L
awith the second winding L
bcommon port and the first capacitor C
1positive pole be connected, the first capacitor C
1negative pole and DC power supply V
innegative pole and three-phase voltage type bridge inverter main circuit be connected; Three-phase voltage type bridge inverter main circuit comprises six brachium pontis, each brachium pontis is connected and is formed by an insulated gate bipolar transistor (IGBT) and an anti-paralleled diode, the output of three-phase voltage type bridge inverter main circuit is picked out respectively by three groups of brachium pontis of mutual correspondence, three-phase voltage type bridge inverter main circuit is the output of whole device, receive direct current energy, output AC electric energy.
There are three kinds of courses of work in the soft switched inductors monopole inverter capable of boosting voltage of switch coupling inductance of what the present embodiment related to have high voltage gain, the straight-through course of work of three-phase voltage type bridge inverter main circuit, the course of work that three-phase voltage type bridge inverter main circuit turn-offs and inverter are operated in the course of work of traditional nought state and traditional effective status; The straight-through course of work of three-phase voltage type bridge inverter main circuit is: before three-phase voltage type bridge inverter main circuit is straight-through, circuit working is at typical non-direct mode operation, now the first rectifier diode D
7conducting, coupling inductance is by the first rectifier diode D
7energy be sent to load, in the time of the conducting of three-phase voltage type bridge inverter main circuit, by the second winding L
bleakage inductance electric current gradually from anti-paralleled diode D
1pass to three-phase voltage type bridge inverter main circuit, inductance L
1with the magnetizing inductance charging of coupling inductance, when coupling inductance the second winding L
bleakage inductance electric current drop at 1 o'clock, the first rectifier diode D
7naturally turn-off coupling inductance the second winding L
bleakage inductance reduce by the first rectifier diode D
7reverse-recovery problems, and realize the zero-current soft switch of three-phase voltage type bridge inverter main circuit; The course of work that three-phase voltage type bridge inverter main circuit turn-offs is: when three-phase voltage type bridge inverter main circuit turn-offs, adopt the shutoff of insulated gate bipolar transistor (IGBT) in PWM (pulse width modulation) signal controlling three-phase voltage type bridge inverter main circuit, because three-phase voltage type bridge inverter main circuit exists parasitic capacitance in parallel, capacitance voltage can not suddenly change, inductance L
1with coupling inductance the first winding L
aleakage inductance to the parasitic capacitance in parallel charging of three-phase voltage type bridge inverter main circuit, until the magnitude of voltage at parasitic capacitance in parallel two ends reaches V
c1+ V
c2, three-phase voltage type bridge inverter main circuit is realized Zero-voltage soft and is turn-offed, and now the voltage clamp at three-phase voltage type bridge inverter main circuit parasitic capacitance in parallel two ends is to V
c1+ V
c2thereby, the first rectifier diode D
7with the second rectifier diode D
8conducting simultaneously, the second rectifier diode D therefore increasing
8can stop the voltage at three-phase voltage type bridge inverter main circuit two ends to exceed V
c1+ V
c2, coupling inductance the first winding L
aleakage inductance electric current reduce, the energy being stored in leakage inductance discharges to load under disresonance pattern, by the second rectifier diode D
8electric current drop at 1 o'clock, the second rectifier diode D
8under zero-current soft switch environment, turn-off, reduce the reverse restorability of diode; Inverter is operated in the course of work of traditional nought state and traditional effective status: circuit working is at anti-paralleled diode D
1conducting, anti-paralleled diode D
2the steady operation running status of turn-offing, starts inverter and is operated in traditional nought state, and inverter is operated in traditional effective status afterwards, and now inverter bridge can be regarded a current source, input voltage, inductance L as
1with coupling inductance the first winding L
aleakage inductance give together output stage, the first capacitor C
1with the second capacitor C
2charging, last inverter is operated in traditional nought state again; Wherein V
c1it is the first capacitor C
1the voltage at two ends, V
c2it is the second capacitor C
2the voltage at two ends.
When the present embodiment work, utilize the first winding L of coupling inductance
awith the second winding L
brealize the high-gain of circuit; Due to coupling inductance the first winding L
athe existence of leakage inductance, realizes the zero current passing of three-phase voltage type bridge inverter main circuit; Due to the existence of three-phase voltage type bridge inverter main circuit parasitic capacitance in parallel, realize the no-voltage of three-phase voltage type bridge inverter main circuit and turn-off; Coupling inductance the second winding L
bthe existence of leakage inductance, reduces by the first rectifier diode D
7reverse-recovery problems, realize the second rectifier diode D
8zero-current switching; In whole switch periods, adopt the shutoff of insulated gate bipolar transistor (IGBT) in pwm signal control three-phase voltage type bridge inverter main circuit, three-phase voltage type bridge inverter main circuit is realized no-voltage and is turn-offed under the effect of parasitic capacitance in parallel, under the effect of coupling inductance leakage inductance, realize the zero current passing of three-phase voltage type bridge inverter main circuit, the second rectifier diode D of increase
8energy in leakage inductance is transformed into load under disresonance pattern, realizes the Lossless Snubber of energy.
Claims (2)
1. there is the soft switch single-stage inverter capable of boosting voltage of switch coupling inductance of high voltage gain, it is characterized in that agent structure comprises DC power supply, inductance, the first electric capacity, the second electric capacity, the first rectifier diode, the second rectifier diode, the coupling inductance being made up of the first winding and the second winding and by six insulated gate bipolar transistors and six three-phase voltage type bridge inverter main circuits that anti-paralleled diode constitutes, the first winding of coupling inductance and the second winding Same Name of Ends each other, one end of inductance is connected with the positive pole of DC power supply, the other end of inductance is connected with the negative pole of the second electric capacity, the positive pole of the second electric capacity is connected with three-phase voltage type bridge inverter main circuit, the negative electrode of the first rectifier diode is connected with the second winding of coupling inductance, the first rectifier diode is connected in parallel on the two ends of the second electric capacity after connecting with the coupling inductance being made up of the first winding and the second winding, the anode of the second rectifier diode is connected with the anode of the first rectifier diode, the negative electrode of the second rectifier diode is connected with the first winding and common port of the second winding and the positive pole of the first electric capacity, the negative pole of the first electric capacity is connected with the negative pole of DC power supply and three-phase voltage type bridge inverter main circuit, three-phase voltage type bridge inverter main circuit comprises six brachium pontis, each brachium pontis is connected and is formed by an insulated gate bipolar transistor and an anti-paralleled diode, the output of three-phase voltage type bridge inverter main circuit is picked out respectively by three groups of brachium pontis of mutual correspondence, three-phase voltage type bridge inverter main circuit is the output of whole device, receive direct current energy, output AC electric energy.
2. the soft switch single-stage inverter capable of boosting voltage of switch coupling inductance with high voltage gain according to claim 1, it is characterized in that existing three kinds of courses of work, the course of work that the straight-through course of work of three-phase voltage type bridge inverter main circuit, three-phase voltage type bridge inverter main circuit turn-off and inverter are operated in the course of work of traditional nought state and traditional effective status, the straight-through course of work of three-phase voltage type bridge inverter main circuit is: before three-phase voltage type bridge inverter main circuit is straight-through, circuit working is at typical non-direct mode operation, now the first rectifier diode conducting, the energy of the first rectifier diode is sent to load by coupling inductance, in the time of the conducting of three-phase voltage type bridge inverter main circuit, leakage inductance electric current by the second winding passes to three-phase voltage type bridge inverter main circuit from anti-paralleled diode gradually, the magnetizing inductance charging of inductance and coupling inductance, in the time that the leakage inductance electric current of coupling inductance the second winding drops to zero, the first rectifier diode turn-offs naturally, the leakage inductance of coupling inductance the second winding reduces the reverse-recovery problems of the first rectifier diode, and realize the zero-current soft switch of three-phase voltage type bridge inverter main circuit, the course of work that three-phase voltage type bridge inverter main circuit turn-offs is: when three-phase voltage type bridge inverter main circuit turn-offs, adopt the shutoff of insulated gate bipolar transistor in pulse width modulating signal control three-phase voltage type bridge inverter main circuit, because three-phase voltage type bridge inverter main circuit exists parasitic capacitance in parallel, capacitance voltage can not suddenly change, the leakage inductance of inductance and coupling inductance the first winding is to the parasitic capacitance charging in parallel of three-phase voltage type bridge inverter main circuit, until the magnitude of voltage at parasitic capacitance in parallel two ends reaches V
c1+ V
c2, three-phase voltage type bridge inverter main circuit is realized Zero-voltage soft and is turn-offed, and now the voltage clamp at three-phase voltage type bridge inverter main circuit parasitic capacitance in parallel two ends is to V
c1+ V
c2thereby, the conducting simultaneously of the first rectifier diode and the second rectifier diode, the second rectifier diode therefore increasing can stop the voltage at three-phase voltage type bridge inverter main circuit two ends to exceed V
c1+ V
c2the leakage inductance electric current of coupling inductance the first winding reduces, and the energy being stored in leakage inductance discharges to load under disresonance pattern, drops at 1 o'clock by the electric current of the second rectifier diode, the second rectifier diode turn-offs under zero-current soft switch environment, reduces the reverse restorability of diode, inverter is operated in the course of work of traditional nought state and traditional effective status: the steady operation running status that circuit working turn-offs at anti-paralleled diode conducting, anti-paralleled diode, start inverter and be operated in traditional nought state, inverter is operated in traditional effective status afterwards, now inverter bridge can be regarded a current source as, together with the leakage inductance of input voltage, inductance and coupling inductance the first winding, give output stage, the first electric capacity and the second capacitor charging, last inverter is operated in traditional nought state again, wherein V
c1be the voltage at the first electric capacity two ends, V
c2be the voltage at the second electric capacity two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241876.5A CN103997248A (en) | 2014-06-03 | 2014-06-03 | Switch coupling inductor soft switching single-stage boost inverter with high voltage gain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241876.5A CN103997248A (en) | 2014-06-03 | 2014-06-03 | Switch coupling inductor soft switching single-stage boost inverter with high voltage gain |
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| Publication Number | Publication Date |
|---|---|
| CN103997248A true CN103997248A (en) | 2014-08-20 |
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| CN201410241876.5A Pending CN103997248A (en) | 2014-06-03 | 2014-06-03 | Switch coupling inductor soft switching single-stage boost inverter with high voltage gain |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201927A (en) * | 2014-09-23 | 2014-12-10 | 青岛理工大学 | Single-stage coupling inductance ZETA reactance source inverter |
| CN104242626A (en) * | 2014-10-16 | 2014-12-24 | 青岛理工大学 | Booster-flyback convertor of built-in switch coupling inductance |
| CN104270015A (en) * | 2014-09-09 | 2015-01-07 | 江苏大学 | Eight-switch non-isolated full-bridge photovoltaic grid-connected inverter and working method thereof |
| CN104967329A (en) * | 2015-07-20 | 2015-10-07 | 哈尔滨工业大学 | Switch coupled inductor-type dual-bootstrap three-level zeta converter |
| CN105119487A (en) * | 2015-09-23 | 2015-12-02 | 青岛理工大学 | Coupling inductance boost conversion device with a switched inductor |
| CN110768552A (en) * | 2019-11-08 | 2020-02-07 | 东北电力大学 | Double-coil coupling inductance type impedance source inverter for inhibiting DC link voltage peak |
| CN113394975A (en) * | 2021-07-30 | 2021-09-14 | 南京信息工程大学 | High-voltage gain DC-DC direct current converter |
| CN113922690A (en) * | 2021-08-16 | 2022-01-11 | 青岛理工大学 | Improved three-coupling-inductor quasi-Z-source boost inverter and control method |
| CN114900029A (en) * | 2022-05-09 | 2022-08-12 | 南京航空航天大学 | Single-phase single-stage coupling inductance type split source boost inverter and method thereof |
| CN115765447A (en) * | 2022-11-08 | 2023-03-07 | 东北电力大学 | Double-coupling inductor series type direct current boost converter and control method |
| CN115800734A (en) * | 2023-02-08 | 2023-03-14 | 浙江日风电气股份有限公司 | Single-stage second-order boost inverter, boost method, device, equipment and medium |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270015A (en) * | 2014-09-09 | 2015-01-07 | 江苏大学 | Eight-switch non-isolated full-bridge photovoltaic grid-connected inverter and working method thereof |
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| CN104242626A (en) * | 2014-10-16 | 2014-12-24 | 青岛理工大学 | Booster-flyback convertor of built-in switch coupling inductance |
| CN104967329A (en) * | 2015-07-20 | 2015-10-07 | 哈尔滨工业大学 | Switch coupled inductor-type dual-bootstrap three-level zeta converter |
| CN105119487A (en) * | 2015-09-23 | 2015-12-02 | 青岛理工大学 | Coupling inductance boost conversion device with a switched inductor |
| CN110768552A (en) * | 2019-11-08 | 2020-02-07 | 东北电力大学 | Double-coil coupling inductance type impedance source inverter for inhibiting DC link voltage peak |
| CN113394975A (en) * | 2021-07-30 | 2021-09-14 | 南京信息工程大学 | High-voltage gain DC-DC direct current converter |
| CN113922690A (en) * | 2021-08-16 | 2022-01-11 | 青岛理工大学 | Improved three-coupling-inductor quasi-Z-source boost inverter and control method |
| CN113922690B (en) * | 2021-08-16 | 2023-11-07 | 青岛理工大学 | Improved three-coupling inductance quasi-Z source boost inverter and control method |
| CN114900029A (en) * | 2022-05-09 | 2022-08-12 | 南京航空航天大学 | Single-phase single-stage coupling inductance type split source boost inverter and method thereof |
| CN115765447A (en) * | 2022-11-08 | 2023-03-07 | 东北电力大学 | Double-coupling inductor series type direct current boost converter and control method |
| CN115765447B (en) * | 2022-11-08 | 2023-06-02 | 东北电力大学 | Dual-coupling inductance series direct current boost converter and control method |
| CN115800734A (en) * | 2023-02-08 | 2023-03-14 | 浙江日风电气股份有限公司 | Single-stage second-order boost inverter, boost method, device, equipment and medium |
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