CN101741272A - Regulating and controlling method and logic of self-adaption commutation integration of high frequency chain matrix inverter - Google Patents
Regulating and controlling method and logic of self-adaption commutation integration of high frequency chain matrix inverter Download PDFInfo
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Abstract
The invention discloses a regulating and controlling method and logic of self-adaption commutation integration of a high frequency chain matrix inverter, belonging to the regulating and controlling technology of power electronic power convertor. The invention is composed of a PWM information generating link (1), a self-adaption safe commutation integration logic processing circuit (2) and a controlled object high frequency chain matrix inverter (3), wherein PWM information which is produced by the PWM information generating link for classic inverter sinusoidal output is processed with the self-adaption safe commutation integration method and logic to control a high frequency chain circuit into a common voltage inverter or current inverter, thus obtaining a driving control signal used for the high frequency chain matrix inverter, and realizing energy double flow and four-quadrant operation. The invention has the advantages that the system has explicit working state and low regulation complexity, and the principle is easy to realize; the safe commutation of the system can be realized without commutation current detection and assistant circuit self-adaption used by traditional regulation and control. Thus the invention has wide application prospect in the fields of new energy power generation, motor speed regulation and the like.
Description
Technical field
The present invention relates to power inverter modulation control method and logic, particularly high frequency chain matrix converter bidirectional switch adaptive security commutation integration regulate and control method and logic belong to electronic power converter modulation and control field.
Background technology
Inverter is a kind of topology apparatus that the direct current energy dress is changed into AC energy.High-frequency chain inverter adopts high frequency transformer to substitute the shortcoming that Industrial Frequency Transformer has overcome the isolation applications of traditional transformer.
The conversion process of high frequency chain matrix inverter has three kinds of power features of DC/HFAC/LFAC, wherein, and HFAC: high-frequency ac, LFAC: low-frequency ac.Having occurred DC/AC as can be known in this type of inverter is AC/DC inversion link, this link is positioned at the former limit of transformer, also having occurred AC/AC again as can be known is the AC/AC transform part, and this link also often is called frequency converter or the matrix converter link is positioned at the transformer secondary.Matrix converter is compared with conventional transducers, does not have the intermediate energy storage link, adopts bidirectional switch, can realize the two-way flow of energy, and compact conformation, volume is little, efficient is high, and output voltage amplitude and frequency can independently be controlled.
Export in the known modulation control method in order to obtain sine at high frequency chain matrix inverter, usually adopt pulse density modulated PDM, harmonic wave selects to eliminate strategies such as control and space vector modulation, implement these methods and need special change of current current detection circuit often, and for making in the real system owing to exist the existence of high frequency transformer and its leakage inductance inevitable and when ignoring, matrix converter realizes that the safe change of current also needs to be equipped with extra absorption circuit, clamp circuit and application multistep change of current strategy etc., thereby make the modulation of inverter and control more complicatedly make that the lifting of overall efficiency is limited, having caused system reliability to reduce has consequently influenced extensively promoting the use of of this quasi-converter.
Summary of the invention
The objective of the invention is to solve the modulation and the control method realization complexity of known high frequency chain matrix converter, can not simply effectively solve bidirectional switch safety change of current problem, and change of current detection, the clamper that need assist for safe operation and the shortcoming that absorbs circuit are arranged, and proposition can simply and reliably realize the integrated regulate and control method and the logic of the high frequency chain matrix converter adaptive security change of current.
The technical solution adopted in the present invention comprises PWM information generation link (1), adaptive security commutation integration logic processing circuit (2) and controlled device high frequency chain matrix inverter (3) three parts in implementing.
Adaptive security commutation integration regulate and control method is, distribution and Changing Pattern thereof according to zero vector in the known conventional P WM control signal that is suitable for classical inverter, after integrated logical conversion and handling, can be corresponding the Dead Time of the action time of zero vector and high frequency chain matrix converter prime and back level matrix converter zero vector state, the drive signal that provides according to integrated logical circuit when back level matrix converter is with conventional voltage code converter character or with the character work of conventional current code converter and when entering zero vector state, the prime inverter is operated in the dead band state does not have high-frequency ac voltage output, simultaneously, the matrix converter switch is all open-minded during this dead band, thereby realizes the safe change of current of whole device under the situation that does not increase auxiliary circuit and complicated algorithm.
The related core logic processing of adaptive security commutation integration regulate and control method is the combinator conversion about the drive signal of back level matrix converter, according to concrete control embodiment difference, provide the logic synthesis circuit of drive signal also to be respectively for a back level matrix converter device in the integrated shift process or door or with door, correspondence makes the back level matrix converter can be according to conventional voltage code converter character or with the work of conventional current code converter character so respectively, and it is that the requirement matrix converter has identical logical circuit and constitutes according to conventional voltage code converter character or with the character work of conventional current code converter that the logic that is used for the drive signal of the formation logic circuit of two logic of class gate input signals and front stage converter obtains that circuit then is regardless of.
The invention has the beneficial effects as follows: by the high frequency chain matrix converter is implemented adaptive security commutation integration regulate and control method and logic control, both can the eliminating transformer leakage inductance and the change of current problem that causes because of there not being the afterflow path of load inductance, also can under the situation that does not increase auxiliary circuit and complicated algorithm, realize the safe change of current of whole device, can adopt different controlling schemes again, a level matrix converter can be according to conventional voltage code converter character or with the work of conventional current code converter character after making, the modulation of inverter and control are simple, but both can simulated also Digital Realization, the implementation method flexible processes is easy, can effectively promote overall efficiency and system reliability, help the extensive popularization of converter, use in the fields such as new forms of energy and Electric Machine Control that are particularly suited for.
Description of drawings
Fig. 1 gives an example for the mentioned high frequency chain matrix inverter of the present invention.
Fig. 2 is the integrated regulate and control method system principle diagram of self adaptation of the present invention.
Fig. 3 gives an example about the generation of prime inverter driving signal and for grade drive signal synthetic link in back provides the logical circuit of required input signal for the integrated logical process of self adaptation of the present invention.
Fig. 4 drives and gating control signal u for obtaining prime
P05And u
N05Other logical circuit for example.
Fig. 5 is that other logical circuit that obtains zero vector is given an example.
Fig. 6 is that the prime inverter that obtains the band dead band that has carrier wave to participate in drives and u
P05And u
N05Other logical circuit for example.
Be that the drive signal logic synthesis circuit that example was adopted is given an example with A phase brachium pontis when Fig. 7 control according to voltage source converter character about back level matrix inverter for the integrated logical process of self adaptation of the present invention.
Be that the drive signal logic synthesis circuit that example was adopted is given an example with A phase brachium pontis when Fig. 8 control according to current type converter character about back level matrix inverter for the integrated logical process of self adaptation of the present invention.
Fig. 9 gives an example to the displaying of signals such as known PWM information and zero vector with the waveform image mode.
Figure 10 drives and u the prime inverter with the waveform image mode
P05And u
N05Displaying Deng signal is given an example.
Figure 11 with the waveform image mode to back level matrix converter equivalent voltage code converter character control with A phase brachium pontis be example signals such as driving displaying for example.
Figure 12 with the oscillogram mode to back level matrix converter equivalent current code converter character control with A phase brachium pontis be example signals such as driving displaying for example.
Figure 13 with the circuit topology form to back level matrix inverter according to the control of voltage source converter character for example.
Figure 14 with the circuit topology form to back level matrix inverter according to the control of current type converter character for example.
Embodiment
Fig. 1 gives an example for the mentioned high frequency chain matrix inverter of the present invention.As seen the conversion process of this high frequency chain matrix inverter has three kinds of power features of DC/HFAC/LFAC, wherein, HFAC: high-frequency ac, LFAC: low-frequency ac, what P and N indicated among the figure is the high-frequency ac bus, a, b, c represent the output of low-frequency ac.Having occurred DC/AC as can be known in the converter is AC/DC inversion link, and this link is positioned at the former limit of transformer, and also having occurred AC/AC again as can be known is the AC/AC transform part, and this link also often is called frequency converter or the matrix converter link is positioned at the transformer secondary.Matrix converter is compared with conventional transducers, does not have the intermediate energy storage link, adopts bidirectional switch, can realize the two-way flow of energy, and compact conformation, volume is little, efficient is high, and output voltage amplitude and frequency can independently be controlled.The present invention promptly openly can simply and reliably realize the integrated regulate and control method and the logic of the high frequency chain matrix converter bidirectional switch adaptive security change of current.
Fig. 2 is the integrated regulate and control method system principle diagram of self adaptation of the present invention.Form by PWM information generation link (1), adaptive security commutation integration logic processing circuit (2) and controlled device high frequency chain matrix inverter (3).Wherein the classical inverter sine of PWM information generation link generation is exported the PWM information of usefulness, and transfer to adaptive security commutation integration logical circuit and carry out signal transformation and processing, the drive control signal that gained is used for high frequency chain matrix inverter can become common electrical die mould or current source inverter with high frequency chain circuit equivalent control, thereby only relies on the PWM information of the sinusoidal output of classical inverter usefulness to realize that the no special-purpose change of current detects, the adaptive security change of current of high frequency chain matrix converter exchanges output when absorbing circuit with clamp circuit with sineization.
Fig. 3 gives an example about the generation of prime inverter driving signal and for grade drive signal synthetic link in back provides the logical circuit of required input signal for the integrated logical process of self adaptation of the present invention.U among the figure
Ah, u
Bh, u
ChBe the modulation afterpulse signal that provides by the sinusoidal PWM information generation link of exporting usefulness of classical inverter, through obtaining u after the NOT gate logic circuit conversion with well-known characteristic
AL, u
BL, u
CL, to u
AL, u
BL, u
CLGet and obtain conventional inverter " 000 " state u by AND
000Signal is to u
Ah, u
Bh, u
ChGet and obtain conventional inverter " 111 " state u by AND
111, with u
000And u
111By or gate logic is asked or zero vector signal u when obtaining tradition sineization output PWM and controlling
10To u
10Carry out frequency division work by rising edge frequency-halving circuit and the trailing edge frequency-halving circuit that constitutes by d type flip flop, obtain accounting for wide ratio and be two signal S of 0.5
1And S
4, this signal negated by not gate obtains two signal S
2And S
3, these four signals can be used for the phase shifting control of the preceding stage high frequency inverter circuit that the former limit of high frequency transformer connect.When the prime inverter circuit need adopt the drive signal of phase place complementation in the consistent upper and lower bridge arm band of diagonal dead band, with S
1And S
4And S
2And S
3Can obtain satisfactory drive signal S after handling by AND respectively
1﹠amp; S
4And S
2﹠amp; S
3Again respectively to S
1﹠amp; S
4And S
2﹠amp; S
3Carrying out logical circuit gets and obtains two after non-and be applicable to that back level matrix converter drives the synthetic gating control signal u of logic
N05And u
P05This logical circuit function realizes need not carrier information.
Fig. 4 drives and gating control signal u for obtaining prime
P05And u
N05Other logical circuit for example.This figure provides the relevant back level matrix converter that is used for to drive the synthetic gating control signal u of logic
N05And u
P05The logical circuit of other implementation, as seen its main characteristic is to adopt u
Ah, u
Bh, u
ChCarry out or non-processing and by obtaining S behind the d type flip flop two divided-frequency
1, by to u
AL, u
BL, u
CLOr handle and by obtaining S behind the d type flip flop two divided-frequency
4This logical circuit function realizes need not carrier information.
Fig. 5 is for obtaining zero vector u
10Other logical circuit for example.This figure provides relevant zero vector signal u when obtaining tradition sineization output PWM and controlling
10The logical circuit of other implementation of signal, this circuit both can adopt u
Ah, u
Bh, u
ChSignal also can adopt u
AL, u
BL, u
CLSignal will be through handling gained and can obtaining u to asking maybe with logical circuit processing gained of input signal as input to the NOR logic circuit of input signal
10, no matter adopt u as can be known
Ah, u
Bh, u
ChSignal still adopts u
AL, u
BL, u
CLBoth have consistency to signal on final logical expression as input.This logical circuit function realizes need not carrier information.
Fig. 6 is that the prime inverter that obtains the band dead band that has carrier wave to participate in drives and u
P05And u
N05Other logical circuit for example.This figure provides based on carrier information and generates driving of prime inverter and u by d type flip flop two divided-frequency mode
P05And u
N05Logical circuit, u among the figure
CarThe carrier information that expression is used for tradition sineization output PWM when controlling will reach at the signal of the two divided-frequency signal being got by logical circuit after non-, respectively with zero vector signal u the signal behind its two divided-frequency
10Carry out to obtain being suitable for the drive signal S of the band dead band feature that the prime inverter uses with computing by logical circuit
1﹠amp; S
4And S
2﹠amp; S
3, after further carrying out the logical circuit inverse again, also obtain u
P05And u
N05Two gating control signals.
Be that the drive signal logic synthesis circuit that example was adopted is given an example with A phase brachium pontis when Fig. 7 control according to voltage source converter character about back level matrix inverter for the integrated logical process of self adaptation of the present invention.The A phase brachium pontis of the matrix converter link of giving an example at high frequency chain matrix converter shown in Figure 1 is with the u of aforementioned generation
Ah, u
AL, u
P05And u
N05Four signals import in the mode of combination or gate logic in, can obtain being used for the drive control signal of matrix converter link A phase brachium pontis, the input and the output relation of relevant logical conversion are: u
AhAnd u
N05Asking or obtaining being fit to corresponding label is S
PahThe control signal that device uses, u
ALAnd u
P05Asking or obtaining being fit to corresponding label is S
NalThe control signal that device uses, u
ALAnd u
N05Asking or obtaining being fit to corresponding label is S
PalThe control signal that device uses, u
AhAnd u
P05Asking or obtaining being fit to corresponding label is S
NahThe control signal that device uses.Respectively phase can the rest may be inferred for other, and used logical circuit, compound mode and corresponding relation have analogy.When this logical circuit of application was modulated control to matrix converter, the matrix converter equivalence had conventional voltage code converter character.As seen the logic simple realization is convenient.Corresponding waveform image and the visible Figure 11 of circuit topology and Figure 13.
Be that the drive signal logic synthesis circuit that example was adopted is given an example with A phase brachium pontis when Fig. 8 control according to current type converter character about back level matrix inverter for the integrated logical process of self adaptation of the present invention.The A phase brachium pontis of the matrix converter link of giving an example at high frequency chain matrix converter shown in Figure 1 is with the u of aforementioned generation
Ah, u
AL, u
P05And u
N05Four signals are imported in the AND in the mode of combination, can obtain being used for the drive control signal of matrix converter link A phase brachium pontis, and the input and the output relation of relevant logical conversion are: u
AhAnd u
N05Asking with obtaining being fit to corresponding label is S
PahThe control signal that device uses, u
ALAnd u
P05Asking with obtaining being fit to corresponding label is S
NalThe control signal that device uses, u
ALAnd u
N05Asking with obtaining being fit to corresponding label is S
PalThe control signal that device uses, u
AhAnd u
P05Asking with obtaining being fit to corresponding label is S
NahThe control signal that device uses.Respectively phase can the rest may be inferred for other, and used logical circuit, compound mode and corresponding relation have analogy.When this logical circuit of application was modulated control to matrix converter, the matrix converter equivalence had conventional current code converter character.As seen the logic simple realization is convenient.Corresponding waveform image and the visible Figure 12 of circuit topology and Figure 14.
Fig. 9 gives an example to the displaying of signals such as known PWM information and zero vector with the waveform image mode.It can sinusoidal output can adopt PWM control often when expectation for the inverter of classical architecture, and the PWM information of this figure when the angle of modulation principle is showed known SPWM control adopts the vector control essential idea identical therewith, and the information of being showed comprises carrier wave u
Car, modulating wave u
A, u
B, u
C, pwm signal u
Ah, u
Bh, u
Ch, u
AL, u
BLAnd u
CL, and the u that tries to achieve by logical circuit
000, u
111And u
10The position of various waveforms and signal relation is all corresponding to integrated logic conversion circuit computing principle among the figure.
Figure 10 drives and u the prime inverter with the waveform image mode
P05And u
N05Displaying Deng signal is given an example.The position relation of the various signals of this figure is all corresponding to integrated logic conversion circuit computing principle.The signal that this figure shows comprises zero vector u
10, prime inversion phase-shifted control signal S
1And S
4, the control signal S of prime inverter upper and lower bridge arm band dead band complementary pair linea angulata consistent features
1﹠amp; S
4And S
2﹠amp; S
3Correspond to the non-zero vector moment of the PWM information of the sinusoidal output of conventional inverter usefulness as the time spent when this two classes signal, the preceding stage high frequency inverter is in the voltage output state, correspond to the zero vector moment of the PWM information of the sinusoidal output of conventional inverter usefulness, the preceding stage high frequency inverter is in the state of no-voltage output.Also showed the u that is used for as the input gating control of back level matrix converter drive signal logic synthesis circuit
N05And u
P05
Figure 11 oscillogram mode to back level matrix converter equivalent voltage code converter character control with A phase brachium pontis be example signals such as driving displaying for example.This figure makes the drive signal waveform of four switching devices of level matrix converter A phase brachium pontis after the time spent corresponding to Fig. 7 or gate logic.As seen the drive signal waveform of any power switch of matrix converter is to mix pulse-width modulation HPWM waveform signal feature with having between the high and low frequency pulsion phase at modulating wave in the cycle, correspond to the non-zero vector moment of the PWM information of the sinusoidal output of conventional inverter usefulness in the work, the level of the drive signal of four devices of the arbitrary phase brachium pontis of level matrix converter only had one to be in low level after voltage-type current transformer modulation type drive signal realized, the individual high level that is of its excess-three.Correspond to the zero vector moment of the PWM information of the sinusoidal output of conventional inverter usefulness, the drive signal of back all switches of level matrix converter side is a high level.
Figure 12 oscillogram mode to back level matrix converter equivalent current code converter character control with A phase brachium pontis be example signals such as driving displaying for example.This figure makes the drive signal waveform of four switching devices of level matrix converter A phase brachium pontis after the time spent corresponding to Fig. 8 AND.As seen the switching frequency of the drive signal waveform of any power switch of matrix converter is frequently same with the frequency of prime inverter, correspond to the non-zero vector moment of the PWM information of the sinusoidal output of conventional inverter usefulness in the work, the level of the drive signal of four switches of the arbitrary brachium pontis of back level matrix converter of the arbitrary phase brachium pontis of current source converter modulation type drive signal realization matrix formula converter only has one to be in high level, the individual low level that is of its excess-three.Correspond to the zero vector time of the PWM information of the sinusoidal output of conventional inverter usefulness, it is low for high two other level that all there is the drive signal level of two switches any time, the switch conducting simultaneously that promptly realizes or link to each other with output, the conducting simultaneously of the switch that links to each other with ac bus P, N, the former and the latter's ON time sum equal zero action time of vector.
Figure 13 with the circuit topology form to back level matrix inverter according to the control of voltage source converter character for example.This figure is corresponding to shown in Figure 7 or logical circuit and waveform image shown in Figure 11, this figure adopts the mode of circuit topology to provide P shown in Figure 1 and N high-frequency ac bus to the matrix converter between a, b, the output of c low-frequency ac, the working forms of having showed matrix converter when controlling according to voltage source converter character, u among the figure
pAnd u
nThe output of expression prime inverter is delivered to the high-frequency ac waveform of ac bus P and N end, this both and u by high frequency transformer
N05And u
P05With frequently synchronously.Wherein part shown in part and the dotted line is formed two voltage type PWM converters with classics of common meaning respectively shown in the solid line, when adopting or logic is accepted u
N05And u
P05During control, two converter alternations make matrix converter mode of operation and the output equivalent be made up of bidirectional switch have the job specification of traditional electrical die mould pwm converter.
Figure 14 with the circuit topology form to back level matrix inverter according to the control of current type converter character for example.This figure is corresponding to shown in Figure 8 or logical circuit and waveform image shown in Figure 12, this figure adopts the mode of circuit topology to provide P shown in Figure 1 and N high-frequency ac bus to the matrix converter between a, b, the output of c low-frequency ac, the working forms of having showed matrix converter when controlling according to current type converter character, u among the figure
pAnd u
nThe output of expression prime inverter is delivered to the high-frequency ac waveform of ac bus P and N end, this both and u by high frequency transformer
N05And u
P05With frequently synchronously.Wherein part shown in part and the dotted line is formed two current mode pwm converters with classics of common meaning respectively shown in the solid line, when adopting or logic is accepted u
N05And u
P05During control, two converter alternations make matrix converter mode of operation and the output equivalent be made up of bidirectional switch have the job specification of traditional electrical flow pattern pwm converter.
Claims (5)
1. self-adaption commutation integration of high frequency chain matrix inverter regulate and control method and logic, the generation and the processing of modulator control signal when being used to solve high frequency chain matrix inverter and realizing the safe change of current, it is characterized in that: need not the change of current with current detecting and clamp circuit link, the PWM information that is suitable for the sinusoidal output of conventional inverter usefulness that only needs to have manner known per se inputs to the integrated logic processing circuit of self adaptation, the former limit of high frequency chain matrix inverter transformer that promptly obtains system is that the switch controlling signal and the high frequency chain matrix inverter transformer secondary of preceding stage high frequency inverter circuit is the switch controlling signal of back level matrix converter, and gained signal controlling high frequency chain matrix inverter realizes that the no change of current detects the safe self-adaption commutation of link.
2. self-adaption commutation integration of high frequency chain matrix inverter regulate and control method according to claim 1 and logic, it is characterized in that, via the former limit of high frequency chain matrix inverter transformer of integrated signal and logical process gained is that the switch controlling signal of preceding stage high frequency inverter circuit can be the drive signal of the diagonal unanimity of upper and lower bridge arm band dead band complementation, correspond to the non-zero vector moment of the PWM information of the sinusoidal output of conventional inverter usefulness, the preceding stage high frequency inverter is in the voltage output state, correspond to the zero vector moment of the PWM information of the sinusoidal output of conventional inverter usefulness, the preceding stage high frequency inverter is in the state of no-voltage output.
3. self-adaption commutation integration of high frequency chain matrix inverter regulate and control method according to claim 1 and logic, it is characterized in that, via the former limit of high frequency chain matrix inverter transformer of integrated signal and logical process gained is that the switch controlling signal of preceding stage high frequency inverter circuit can be the drive signal of bridge type inverter phase shifting control, correspond to the non-zero vector moment of the PWM information of the sinusoidal output of conventional inverter usefulness, the preceding stage high frequency inverter is in the voltage output state, correspond to the zero vector moment of the PWM information of the sinusoidal output of conventional inverter usefulness, the preceding stage high frequency inverter is in the state of no-voltage output.
4. self-adaption commutation integration of high frequency chain matrix inverter regulate and control method according to claim 1 and logic, it is characterized in that, via the high frequency chain matrix inverter transformer secondary of integrated signal and logical process gained promptly the switch controlling signal of back level matrix converter can be voltage-type current transformer modulation type drive signal, the drive signal waveform of any power switch of matrix converter is to mix pulse-width modulation HPWM waveform signal feature with having between the high and low frequency pulsion phase at modulating wave in the cycle, correspond to the non-zero vector moment of the PWM information of the sinusoidal output of conventional inverter usefulness in the work, the level of the drive signal of four devices of the arbitrary phase brachium pontis of level matrix converter only had one to be in low level after voltage-type current transformer modulation type drive signal realized, the individual high level that is of its excess-three, correspond to the zero vector moment of the PWM information of the sinusoidal output of conventional inverter usefulness, the drive signal of back all switches of level matrix converter side is a high level.
5. self-adaption commutation integration of high frequency chain matrix inverter regulate and control method according to claim 1 and logic, it is characterized in that, via the high frequency chain matrix inverter transformer secondary of integrated signal and logical process gained promptly the switch controlling signal of back level matrix converter can be current source converter modulation type drive signal, the switching frequency of the drive signal waveform of any power switch of matrix converter and prime inverter same frequency, correspond to the non-zero vector moment of the PWM information of the sinusoidal output of conventional inverter usefulness in the work, the level of the drive signal of four switches of the arbitrary brachium pontis of back level matrix converter of the arbitrary phase brachium pontis of current source converter modulation type drive signal realization matrix formula converter only has one to be in high level, the individual low level that is of its excess-three, correspond to the zero vector time of the PWM information of the sinusoidal output of conventional inverter usefulness, it is low for high two other level that all there is the drive signal level of two switches any time, the switch conducting simultaneously that promptly realizes or link to each other with output, and ac bus P, the switch that N links to each other conducting simultaneously, the former and the latter's ON time sum equal zero action time of vector.
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| CN104065178A (en) * | 2014-06-20 | 2014-09-24 | 中国矿业大学 | Three-phase load single-phase wireless power supply system and design method thereof |
| CN106208769B (en) * | 2014-10-09 | 2020-02-07 | 松下知识产权经营株式会社 | Power conversion device |
| CN106208769A (en) * | 2014-10-09 | 2016-12-07 | 松下知识产权经营株式会社 | Power inverter |
| CN105634320A (en) * | 2014-11-03 | 2016-06-01 | 江苏绿扬电子仪器集团有限公司 | Inverter post-stage logic control device |
| CN104579043A (en) * | 2015-01-30 | 2015-04-29 | 闫朝阳 | High-frequency-link driver for brushless motor of electric automobile |
| CN106533200A (en) * | 2017-01-11 | 2017-03-22 | 西南交通大学 | AC/DC conversion device and AC/DC conversion system |
| CN107528448A (en) * | 2017-08-03 | 2017-12-29 | 合肥华耀电子工业有限公司 | A kind of adaptive regulation method of digital switch power-supply system |
| CN108199601A (en) * | 2018-01-15 | 2018-06-22 | 南京理工大学 | A kind of single-phase cascade ac high frequency chain bidirectional converter modulator approach |
| CN109039115A (en) * | 2018-08-07 | 2018-12-18 | 北京航空航天大学 | A kind of isolated converter of high-frequency AC and its uniform spaces Vector Modulation strategy |
| CN109039115B (en) * | 2018-08-07 | 2024-01-05 | 北京航空航天大学 | High-frequency AC isolated converter and unified space vector modulation strategy thereof |
| CN111884535A (en) * | 2020-06-30 | 2020-11-03 | 西北工业大学 | High-frequency pulse alternating-current link inverter hybrid modulation strategy |
| CN111884535B (en) * | 2020-06-30 | 2023-12-01 | 西北工业大学 | High-frequency pulse alternating-current link inverter hybrid modulation strategy |
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