WO2019049698A1 - Circuit de conversion d'énergie et dispositif de conversion d'énergie - Google Patents

Circuit de conversion d'énergie et dispositif de conversion d'énergie Download PDF

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Publication number
WO2019049698A1
WO2019049698A1 PCT/JP2018/031466 JP2018031466W WO2019049698A1 WO 2019049698 A1 WO2019049698 A1 WO 2019049698A1 JP 2018031466 W JP2018031466 W JP 2018031466W WO 2019049698 A1 WO2019049698 A1 WO 2019049698A1
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Prior art keywords
current
potential input
power conversion
conversion circuit
output
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PCT/JP2018/031466
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English (en)
Japanese (ja)
Inventor
俊 風間
英一 定行
伸吾 岡浦
隆資 門田
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パナソニックＩｐマネジメント株式会社
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Publication of WO2019049698A1 publication Critical patent/WO2019049698A1/fr

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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

Definitions

  • Electric power is supplied to the three-phase motor 2 from the u-phase conversion circuit 9 u, the v-phase conversion circuit 9 v, and the w-phase conversion circuit 9 w.
  • the AC power generated by the u-phase conversion circuit 9 u, the v-phase conversion circuit 9 v, and the w-phase conversion circuit 9 w is detected by the current sensors 6 u, 6 v, 6 w as current values and then converted into voltage signals. It is transmitted to the circuit 3.
  • the control circuit 3 causes the u phase conversion circuit 9 u, the v phase conversion circuit 9 v, and the w phase conversion circuit 9 w to output predetermined power in accordance with the current values detected by the current sensors 6 u, 6 v, 6 w.
  • the u-phase conversion circuit 9 u, the v-phase conversion circuit 9 v, and the w-phase conversion circuit 9 w are controlled through the gate drive circuit 4.
  • a failure may occur in the control of the three-phase motor 2, so that the following failure determination is performed.
  • the peak current in the u phase generated by the u phase conversion circuit 9 u is detected by the current sensor 6 u.
  • the current sensor 6v detects the current value in the v phase.
  • the control circuit 3 compares the current value of the u phase with the current value of the v phase, and the abnormality of the current sensors 6u and 6v is determined depending on whether the current value of the v phase is half of the current value of the u phase. Determine the presence or absence.
  • the power converter includes first and second semiconductor switch elements, an output unit, and a signal processing unit.
  • the first semiconductor switch element includes a first switch portion connected in series with the high potential input portion and the connection point between the high potential input portion and the connection point, and a current flowing through the first switch portion And a first sense terminal for transmitting a first responsive sense signal.
  • the second semiconductor switch element includes a second switch portion connected in series to the low potential input portion and the connection point between the low potential input portion and the connection point, and a current flowing through the second switch portion And a second sense terminal for emitting a second sense signal corresponding to the
  • the output unit is connected to the connection point.
  • the current sensor transmits a current detection signal according to the output current flowing through the output unit.
  • the signal processing unit is configured to determine a failure of the current sensor based on a comparison result of the first sense signal and the current detection signal and a comparison result of the second sense signal and the current detection signal. .
  • This power converter can easily determine the abnormality of the current sensor.
  • FIG. 1A is a circuit block diagram of a power conversion circuit according to an embodiment.
  • FIG. 1B is an equivalent circuit block diagram of the power conversion circuit shown in FIG. 1A.
  • FIG. 1C is a diagram showing signals in the operation of the power conversion circuit in the embodiment.
  • FIG. 2 is a diagram showing signals in the operation of the power conversion circuit in the embodiment.
  • FIG. 3 is a diagram showing a signal in another operation of the power conversion circuit in the embodiment.
  • FIG. 4 is a circuit block diagram of another power conversion circuit according to the embodiment.
  • FIG. 5 is a circuit block diagram of the three-phase power converter in the embodiment.
  • FIG. 6 is a circuit block diagram of another three-phase power converter in the embodiment.
  • FIG. 7 is a circuit block diagram of still another three-phase power converter according to the embodiment.
  • FIG. 8 is a circuit block diagram of still another three-phase power converter according to the embodiment.
  • FIG. 9 is a circuit block diagram of a conventional power converter.
  • FIG. 1A is a circuit block diagram of a power conversion circuit 10 according to an embodiment.
  • Power conversion circuit 10 includes a high potential input unit 11, a low potential input unit 12, an upper arm unit 13, a lower arm unit 14, an output unit 15, a current sensor 16, and a signal processing unit 17. .
  • the high DC potential of the DC power supply 24 is applied to the high potential input unit 11.
  • a low DC potential lower than the high DC potential is applied to the low potential input unit 12 from the power supply 24.
  • the upper arm portion 13 has a semiconductor switch element 18, and the high potential input portion 11 is connected to the high potential side of the upper arm portion 13.
  • the semiconductor switch element 18 is provided with a sense terminal 20, and the sense terminal 20 transmits a sense signal S20.
  • the lower arm portion 14 has a semiconductor switch element 19, and the low potential input portion 12 is connected to the low potential side of the lower arm portion 14.
  • the semiconductor switch element 19 is provided with a sense terminal 21.
  • the sense terminal 21 transmits a sense signal S21.
  • the output unit 15 is provided at a connection point 115 between the low potential side of the upper arm unit 13 and the high potential side of the lower arm unit 14. Further, the current sensor 16 detects an output current I15 of the output unit 15, and transmits a current detection signal S16 corresponding to the output current.
  • the signal processing unit 17 is connected to the upper arm 13, the lower arm 14, and the current sensor 16.
  • Signal processing unit 17 receives sense signal S20 transmitted from upper arm unit 13, sense signal S21 transmitted from lower arm unit 14, and current detection signal S16 transmitted from current sensor 16, and sense signal S20. , And S21 are compared with the current detection signal S16.
  • the signal processing unit 17 performs failure determination of the current sensor 16 based on the comparison result of the sense signal S20 and the current detection signal S16 and the comparison result of the sense signal S21 and the current detection signal S16.
  • each of sense signal S20 reflecting the current output from upper arm unit 13 and sense signal S21 reflecting the current output from lower arm unit 14 are currents
  • the signal processing unit 17 compares the current detection signal S16 detected by the sensor 16 with the signal processing unit 17 to detect the presence or absence of a failure of the current sensor 16. That is, the sense signals S20 and S21 are regarded as a virtual output current reflecting the output current I15 in the output unit 15, and the current detection signal S16 in which the virtual output current is actually detected by the current sensor 16 in the output unit 15 and the signal processing unit 17 Compared by
  • the signal processing unit 17 determines that the current sensor 16 is normal. if at least one of the difference between the sense signal S20 and the current detection signal S16 compared by the signal processing unit 17 and the difference between the sense signal S21 and the current detection signal S16 is out of a predetermined range, The signal processing unit 17 determines that the current sensor 16 is abnormal.
  • FIG. 1B is an equivalent circuit block diagram of the power conversion circuit 10.
  • the semiconductor switch element 18 forms a switch section 118 which is formed between the source terminal 18S and the drain terminal 18D and turned on and off by the signal inputted to the gate terminal 18G.
  • the sense terminal 20 transmits a sense signal S20 according to the current flowing to the switch unit 118.
  • the semiconductor switch element 19 forms a switch section 119 which is formed between the source terminal 19S and the drain terminal 19D and turned on / off by the signal inputted to the gate terminal 19G.
  • the sense terminal 21 transmits a sense signal S21 according to the current flowing to the switch section 119.
  • the conventional power conversion device 1 shown in FIG. 9 can detect that an abnormality has occurred in any of the current sensors 6u, 6v, 6w, it specifies the current sensor in which the abnormality has occurred among the current sensors 6u, 6v, 6w You can not do it.
  • the power conversion circuit 22 in the embodiment can facilitate identification of the failed current sensor 16.
  • the power conversion circuit 10 includes a high potential input unit 11, a low potential input unit 12, an upper arm unit 13, a lower arm unit 14, an output unit 15, a current sensor 16, and a signal processing unit 17. Including.
  • the upper arm portion 13 has a semiconductor switch element 18, and the high potential input portion 11 is connected to the high potential side of the upper arm portion 13.
  • the high potential input unit 11 is connected to the drain terminal 18D side of the semiconductor switch element 18.
  • the semiconductor switch element 18 is provided with a sense terminal 20, and the sense terminal 20 transmits a sense signal S20.
  • the lower arm portion 14 has a semiconductor switch element 19, and the low potential input portion 12 is connected to the low potential side of the lower arm portion 14.
  • the low potential input unit 12 is connected to the source terminal 19S side of the semiconductor switch element 19.
  • the semiconductor switch element 19 is provided with a sense terminal 21.
  • the sense terminal 21 transmits a sense signal S21.
  • the output unit 15 is connected to a connection point 115 between the low potential side of the upper arm unit 13 and the high potential side of the lower arm unit 14. In other words, the output unit 15 is connected to the connection point 115 between the source terminal 18S side of the semiconductor switch element 18 and the drain terminal 19D side of the semiconductor switch element 19. Further, the current sensor 16 detects an output current I15 of the output unit 15, and transmits a current detection signal S16 corresponding to the output current I15.
  • FIG. 2 shows sense signals S20 and S21 and a current detection signal S16.
  • FIG. 2 also shows a combined sense signal S22 obtained by combining the sense signals S20 and S21.
  • the signal processing unit 17 generates a combined sense signal S22 obtained by combining the sense signals S20 and S21.
  • FIG. 2 shows the sense signals S20 and S21 as a smooth waveform in which the values at the times of comparison are continuously connected.
  • FIG. 3 shows signals in another operation of the power conversion circuit 10.
  • the combined sense signal S22 is an alternating voltage signal including the broken line shown in FIG. 3 with the polarity of the sense signal S21 inverted to the negative voltage side.
  • the signal processing unit 17 determines the failure of the current sensor 16 based on the comparison result of the combined sense signal S22 and the current detection signal which is an AC voltage.
  • the ratio R1 and the ratio R2 of the above-described initial setting values are stored in the signal processing unit 17.
  • the signal processing unit 17 constantly or at a predetermined timing compares the amplitude V1 of the sense signal S20 with the amplitude V3 on the positive side of the current detection signal S16, and detects the amplitude V2 of the sense signal S21. This is compared with the positive amplitude V4 of the current detection signal S16.
  • the signal processing unit 17 obtains a ratio R3 to the positive amplitude V3 of the current detection signal S16 of the amplitude V1 of the sense signal S20.
  • the signal processing unit 17 obtains a ratio R4 with respect to the negative amplitude V4 of the current detection signal S16 of the amplitude V2 of the sense signal S21.
  • the power conversion circuit 10 In the power conversion circuit 10 outputting power of a single phase by the operation related to the failure determination with respect to the current sensor 16, the power conversion circuit 10 itself is abnormal with respect to the current sensor 16 provided in the power conversion circuit 10. Determine the presence or absence. In other words, the power conversion circuit 10 can detect the presence or absence of an abnormality of a single current sensor 16 corresponding to a single phase, instead of comparing the output current across a plurality of phases to detect an abnormality. As a result, identification of the failed current sensor 16 can be facilitated.
  • the upper arm synchronization signal and the lower arm synchronization signal of the upper arm 13 and the lower arm 14 are transmitted from the drain terminal 18D of the semiconductor switch element 18 to the source terminal 18S, and It is a signal obtained when forward current flows from the drain terminal 19D of the switch element 19 to the source terminal 19S.
  • a reverse current flows from the source terminal 18S to the drain terminal 18D of the semiconductor switch element 18 and a reverse current flows from the source terminal 19S to the drain terminal 19D of the semiconductor switch element 19
  • the upper arm synchronization signal and the lower arm synchronization signal may be generated by further use.
  • the upper arm portion 13 and the lower arm portion 14 basically alternately turn on and off to operate.
  • the on-duty ratio of the upper arm 13 is larger than the on-duty ratio of the lower arm 14, and the upper waveform is the maximum value.
  • the on-duty ratio of 13 is also the largest.
  • the upper arm synchronization signal at the on duty of the upper arm unit 13 is inverted in polarity to the lower arm synchronization signal at the on duty of the lower arm unit 14
  • the synthesized waveform obtained by the interpolation and addition above approximates the waveform of the current flowing to the output unit 15.
  • a waveform obtained by interpolating the upper arm synchronization signal to the lower arm synchronization signal and the current detection signal which is an AC voltage are detected as waveforms, respectively, and the determination accuracy is determined by comparing the failure detection of the current sensor 16 Improve.
  • FIG. 4 is a circuit block diagram of another power conversion circuit 10a according to the embodiment.
  • the same parts as those of the power conversion circuit 10 shown in FIGS. 1A and 1B are denoted by the same reference numerals.
  • Power conversion circuit 10 a includes a conversion circuit 27 connected in series to sense terminal 20 and source terminal 18 S of semiconductor switch element 18, a conversion connected in series to sense terminal 21 and source terminal 19 S of semiconductor switch element 19. And a circuit 28.
  • FIG. 5 is a circuit block diagram of the three-phase power conversion device 22 in the embodiment.
  • the signal processing units 17 u, 17 v, and 17 w in the power conversion circuits 10 u, 10 v, and 10 w of the u-phase, v-phase, and w-phase are connected to the control circuit 25. Then, the signal processing units 17u, 17v, 17w detect the presence or absence of abnormality in the current sensor 16 as described above, and simultaneously detect the output current and the output voltage in the output unit 15 of each phase, and detect the detection result signal As the control circuit 25.
  • the control circuit 25 transmits an operation control signal to the gate drive circuit 26 to control the output current and the output voltage so that the three-phase motor 23 operates in a desired state.
  • FIG. 6 is a circuit block diagram of another three-phase power converter 22a in the embodiment. 6, the same reference numerals as in the three-phase power converter 22 shown in FIG. 5 denote the same parts.
  • the three-phase power conversion device 22a includes a DC power supply 24, a power conversion circuit 10u corresponding to a first phase, a power conversion circuit 10v corresponding to a second phase, a power conversion circuit 10w corresponding to a third phase, and control And a circuit 25.
  • the first phase is described to correspond to the u phase, the second phase to the v phase, and the third phase to the w phase, but the first phase, the second phase, the third phase and the u phase, Correspondence with v phase and w phase does not depend on the above-mentioned form.
  • Each of the power conversion circuits 10 u and 10 v has a current sensor 16.
  • the current sensor 16 is connected to the signal processing units 17 u and 17 v, detects an output current of the output unit 15, and transmits a current detection signal corresponding to the output current to the signal processing unit 17.
  • the control circuit 25 is connected to the signal processing units 17u, 17v, and 17w, and performs failure determination for the current sensor 16, detection of output of the power conversion circuits 10u, 10v, and 10w, and control of the power conversion circuits 10u, 10v, and 10w. Do. With regard to the current sensor 16 of the power conversion circuit 10u, the failure determination for the current sensor 16 in the control circuit 25 includes the sense signals S20 and S21 in the power conversion circuit 10u and the current detection signal by the current sensor 16 in the power conversion circuit 10u. It is performed based on the comparison result with S16.
  • the current sensor 16 of the power conversion circuit 10v is performed based on the comparison result between each of the sense signals S20 and S21 in the power conversion circuit 10v and the current detection signal S16 by the current sensor 16 in the power conversion circuit 10v.
  • the power conversion circuit 10 w does not have a current sensor.
  • the output current I15 obtained by the sense signals S20 and S21 in the power conversion circuit 10u is the phase current Ius.
  • the output current I15 obtained by the sense signals S20 and S21 in the power conversion circuit 10v is the phase current Ivs.
  • the output current I15 obtained by the current sensor 16 in the power conversion circuit 10u is the phase current Iu.
  • the output current I15 obtained by the current sensor 16 in the power conversion circuit 10v is the phase current Iv.
  • the control circuit 25 determines the difference between the phase currents Ius and Iu and the difference between the phase currents Ivs and Iv. When the above difference is within the predetermined range, the control circuit 25 determines that the current sensor 16 in each phase, here, the current sensor 16 in the power conversion circuit 10 u or the current sensor 16 in the power conversion circuit 10 v is normal. .
  • phase current Iw which is the output current I15 in the power conversion circuit 10w not using the current sensor 16 can be obtained as the current detection calculation value according to the following relationship.
  • control circuit 25 can easily identify the failed current sensor 16, and control the power conversion circuit 10w not using the current sensor to a desired operation state as in the power conversion circuits 10u and 10v. Can. Thereby, the number of current sensors 16 in the three-phase power conversion device 22a can also be reduced. And as a result, size reduction and weight reduction of three-phase power converter 22a are attained.
  • control circuit 25 is described using the current value, as described above in the detailed description of the individual power conversion circuit 10, after the current value is voltage-converted, the control circuit 25 is described. May make the determination.
  • FIG. 7 is a circuit block diagram of still another three-phase power conversion device 22b in the embodiment.
  • the same parts as those of the three-phase power conversion device 22b shown in FIG. 5 and FIG. It is also possible to reduce the number of current sensors 16 in the three-phase power conversion device 22b after reducing the sense terminal 20 and the sense terminal 21 and simplifying the calculation and control in the signal processing units 17u, 17v, 17w and the control circuit 25. it can.
  • the three-phase power conversion device 22b includes a DC power supply 24, a power conversion circuit 10u corresponding to a first phase, a power conversion circuit 10v corresponding to a second phase, a power conversion circuit 10w corresponding to a third phase, and control And a circuit 25.
  • the power conversion circuits 10u, 10v, and 10w of the first phase, the second phase, and the third phase respectively include the upper arm unit 13, the lower arm unit 14, the output unit 15, and the signal processing unit 17 (17u, 17 v, 17 w).
  • the first phase is described to correspond to the u phase, the second phase to the v phase, and the third phase to the w phase, but the first phase, the second phase, the third phase and the u phase, Correspondence with v phase and w phase does not depend on the above-mentioned form.
  • the upper arm unit 13 includes the semiconductor switch element 18 whose high potential side is connected to the high potential input unit 11 connected to the DC power supply 24 and the sense terminal 20 which transmits the sense signal S 20.
  • the lower arm unit 14 is connected on the low potential side to the low potential input unit 12 connected to the DC power supply 24, and sense terminals for transmitting the semiconductor switch element 19 and the sense signal S21. And 21.
  • the upper arm unit 13 has the semiconductor switch element 18 whose high potential side is connected to the high potential input unit 11 connected to the DC power supply 24 and does not have the sense terminal 20.
  • the lower arm unit 14 has a low potential side connected to the low potential input unit 12 connected to the DC power supply 24, has a semiconductor switch element 19, and has a sense terminal 21. Not.
  • the output unit 15 is provided at a connection point 115 between the low potential side of the upper arm unit 13 and the high potential side of the lower arm unit 14.
  • signal processing units 17u and 17v are connected to upper arm unit 13 and lower arm unit 14, and in power conversion circuits 10u and 10v, signal processing units 17u and 17v receive sense signals. S20 and S21 are received.
  • Each of the power conversion circuits 10 u and 10 w has a current sensor 16.
  • the current sensor 16 is connected to the signal processing units 17u and 17w of the power conversion circuits 10u and 10w, detects the output current of the output unit 15, and detects a current detection signal corresponding to the output current as the signal processing units 17u and 17w. Send to
  • sense operation values S20c and S21c respectively corresponding to sense signals S20 and S21 in power conversion circuit 10w and current detection signal S16 by current sensor 16 in power conversion circuit 10w. Based on the comparison result, failure determination of the current sensor 16 of the power conversion circuit 10 w is performed.
  • the output current obtained by the sense signals S20 and S21 in the power conversion circuit 10u is the phase current Ius
  • the output current I15 obtained by the sense operation values S20c and S21c in the power conversion circuit 10w is the phase current Iwc
  • the output current obtained by the current sensor 16 in the power conversion circuit 10u is the phase current Iu
  • the output current I15 obtained by the current sensor 16 in the power conversion circuit 10w is the phase current Iw.
  • the difference between the phase currents Ius and Iu and the difference between the phase currents Iwc and Iw are determined by the control circuit 25. When the above difference is within the predetermined range, the control circuit 25 determines that the current sensors in the respective phases, here, the current sensor 16 in the power conversion circuit 10 u and the current sensor 16 in the power conversion circuit 10 w are normal.
  • the sense operation values S20c and S21c are obtained using the relationship in which the sum of all the phase voltages of the three-phase alternating current and the sum of all the phase currents described above are zero.
  • the control circuit 25 can detect the presence or absence of abnormality of the current sensor 16 used for the power conversion circuit 10 w. Becomes easy. Further, the phase current Iv in the power conversion circuit 10v having no current sensor can be obtained as the current detection calculation value according to the following relationship as described above.
  • FIG. 8 is a circuit block diagram of still another three-phase power conversion device 22c in the embodiment.
  • the same reference numerals as in the three-phase power conversion devices 22, 22 a and 22 b shown in FIGS. 5 to 7 denote the same parts.
  • the number of current sensors 16 in the three-phase power conversion device 22c after simplifying the calculation and control in the signal processing units 17u, 17v, 17w and the control circuit 25 with only one phase including the sense terminal 20 and the sense terminal 21. Can also be reduced.
  • the three-phase power conversion device 22c includes a DC power supply 24, a power conversion circuit 10u corresponding to a first phase, a power conversion circuit 10v corresponding to a second phase, a power conversion circuit 10w corresponding to a third phase, and control And a circuit 25.
  • the power conversion circuits 10u, 10v, and 10w of the first phase, the second phase, and the third phase are respectively the upper arm unit 13, the lower arm unit 14, the output unit 15, and the signal processing units 17u, 17v, And 17w.
  • the first phase is described to correspond to the u phase, the second phase to the v phase, and the third phase to the w phase, but the first phase, the second phase, the third phase and the u phase, Correspondence with v phase and w phase does not depend on the above-mentioned form.
  • upper arm unit 13 has semiconductor switch element 18 whose high potential side is connected to high potential input unit 11 connected to DC power supply 24, and sense terminal 20 for transmitting sense signal S20. .
  • the lower arm unit 14 has a low potential side connected to the low potential input unit 12 connected to the DC power supply 24, and the sense terminal 21 transmits the semiconductor switch element 19 and the sense signal S21.
  • the upper arm unit 13 has the semiconductor switch element 18 whose high potential side is connected to the high potential input unit 11 connected to the DC power supply 24 and has the sense terminal 20. Absent.
  • the lower arm unit 14 is connected on the low potential side to the low potential input unit 12 connected to the DC power supply 24 and has a semiconductor switch element 19. I do not have it.
  • narrowing down of the current sensor 16 which has failed even if one phase has two phases without the sense terminal 20 and the sense terminal 21 among the three phases and a phase without the current sensor 16 is This can be easily achieved, and the number of current sensors 16 can be reduced, so that the size and weight of the three-phase power conversion device 22c can be reduced.
  • the phase without the sense terminal 20 and the sense terminal 21 and the phase without the current sensor 16 are different phases.

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Abstract

L'invention concerne un dispositif de conversion d'énergie pourvu d'un premier et d'un second élément de commutation à semi-conducteur, d'une unité de sortie et d'une unité de traitement de signal. Le premier élément de commutation à semi-conducteur comprend une première partie de commutation qui est montée en série avec une partie d'entrée haute tension et un point de branchement entre la partie d'entrée haute tension et le point de branchement, et une première borne de détection permettant d'émettre un premier signal de détection correspondant à un courant circulant dans la première partie de commutation. Le second élément de commutation à semi-conducteur comprend une seconde partie de commutation qui est montée en série avec une partie d'entrée basse tension et le point de branchement entre la partie d'entrée basse tension et le point de branchement, et une seconde borne de détection permettant d'émettre un second signal de détection correspondant à un courant circulant dans la seconde partie de commutation. L'unité de sortie est branchée sur le point de branchement. Le capteur de courant émet un signal de capture de courant correspondant à un courant de sortie circulant dans l'unité de sortie. L'unité de traitement de signal est configurée pour déterminer une défaillance dans le capteur de courant sur la base du résultat de la comparaison entre le premier signal de détection et le signal de capture de courant, et du résultat de la comparaison entre le second signal de détection et le signal de capture de courant. Au moyen du dispositif de conversion d'énergie, une anomalie dans le capteur de courant peut être facilement déterminée.
PCT/JP2018/031466 2017-09-08 2018-08-27 Circuit de conversion d'énergie et dispositif de conversion d'énergie WO2019049698A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112821746A (zh) * 2021-02-03 2021-05-18 浙江日风电气股份有限公司 一种升压电路母线软启动方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017006949A1 (fr) * 2015-07-09 2017-01-12 日立オートモティブシステムズ株式会社 Dispositif d'entraînement
JP2017050984A (ja) * 2015-09-02 2017-03-09 ルネサスエレクトロニクス株式会社 半導体集積回路装置および電子装置
JP2017060314A (ja) * 2015-09-17 2017-03-23 富士電機株式会社 三相インバータ装置
JP2017060276A (ja) * 2015-09-16 2017-03-23 富士電機株式会社 三相インバータ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017006949A1 (fr) * 2015-07-09 2017-01-12 日立オートモティブシステムズ株式会社 Dispositif d'entraînement
JP2017050984A (ja) * 2015-09-02 2017-03-09 ルネサスエレクトロニクス株式会社 半導体集積回路装置および電子装置
JP2017060276A (ja) * 2015-09-16 2017-03-23 富士電機株式会社 三相インバータ装置
JP2017060314A (ja) * 2015-09-17 2017-03-23 富士電機株式会社 三相インバータ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112821746A (zh) * 2021-02-03 2021-05-18 浙江日风电气股份有限公司 一种升压电路母线软启动方法

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