WO2013114613A9 - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
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- WO2013114613A9 WO2013114613A9 PCT/JP2012/052500 JP2012052500W WO2013114613A9 WO 2013114613 A9 WO2013114613 A9 WO 2013114613A9 JP 2012052500 W JP2012052500 W JP 2012052500W WO 2013114613 A9 WO2013114613 A9 WO 2013114613A9
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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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
-
- 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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/066—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode particular circuits having a special characteristic
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/487—Neutral point clamped inverters
Definitions
- the present invention relates to a power conversion device.
- the rectifier circuit is a kind of power conversion device.
- Various rectifier circuits have been proposed so far.
- a rectifier circuit disclosed in Japanese Patent Application Laid-Open No. 2006-21867 includes a plurality of diode bridges, capacitors, and switching elements.
- the direct current positive terminal and the direct current negative terminal of each diode bridge are connected in common between the plurality of diode bridges.
- the capacitor and the switching element are connected in parallel between the DC positive terminal and the DC negative terminal of the diode bridge.
- Patent Document 2 Japanese Unexamined Patent Application Publication No. 2007-329980
- Patent Document 3 Japanese Unexamined Patent Application Publication No. 2002-142458
- Patent No. 4051875 Patent Document 3
- Patent Document 4051875 Patent Document 3
- the semiconductor switching element included in the power conversion device is, for example, a MOSFET (Metal Oxide Semiconductor Field Effect Transistor) or an IGBT (Insulated Gate Bipolar Transistor).
- MOSFET Metal Oxide Semiconductor Field Effect Transistor
- IGBT Insulated Gate Bipolar Transistor
- MOSFET has a parasitic diode due to its structure.
- a recovery current flows through a parasitic diode of the MOSFET in the recovery mode. If the recovery current is large, the MOSFET may be damaged.
- IGBTs are used in many power conversion devices in order to ensure the reliability of the power conversion devices.
- efficiency becomes a problem.
- One object of the present invention is to provide a power converter having high efficiency.
- the power conversion device includes a first diode, a second diode, a first capacitor, a second capacitor, and an AC switch.
- the first diode has a cathode terminal connected to the DC positive bus.
- the second diode has a cathode terminal connected to the anode terminal of the first diode and an anode terminal connected to the DC negative bus.
- the first capacitor is connected between the DC positive bus and the neutral point.
- the second capacitor is connected between the DC negative bus and the neutral point.
- the AC switch is connected between a connection point of the first and second diodes and a neutral point.
- a power conversion device having high efficiency can be realized.
- FIG. 6 is a waveform diagram showing voltages and currents of AC switches S1 and S2 shown in FIGS.
- FIG. 2 is a first diagram for explaining an operation of a transistor Q3 of the rectifier circuit 1 shown in FIG. FIG.
- FIG. 6 is a second diagram for explaining the operation of the transistor Q3 of the rectifier circuit 1 shown in FIG.
- FIG. 6 is a third diagram for explaining the operation of the transistor Q3 of the rectifier circuit 1 shown in FIG.
- FIG. 2 is a first diagram for explaining an operation of a transistor Q4 of the rectifier circuit 1 shown in FIG.
- FIG. 6 is a second diagram for explaining the operation of the transistor Q4 of the rectifier circuit 1 shown in FIG.
- FIG. 6 is a third diagram for explaining the operation of the transistor Q4 of the rectifier circuit 1 shown in FIG. It is a figure for demonstrating control of the power converter device 4 shown by FIG. It is a figure explaining operation
- FIG. 1 is a diagram showing a basic configuration of a power conversion device according to the first embodiment of the present invention.
- the power conversion device includes a rectifier circuit 1 and a control circuit 5.
- the rectifier circuit 1 includes diodes D1 and D2, AC switches SW1 and SW2, and capacitors C1 and C2.
- the diode D1 has a cathode terminal connected to the DC positive bus 11 and an anode terminal connected to the AC line 2.
- Diode D ⁇ b> 2 has a cathode terminal connected to DC negative bus 12 and an anode terminal connected to AC line 2.
- the diodes D1 and D2 are connected in series in the opposite direction between the DC positive bus 11 and the DC negative bus 12.
- the AC line 2 is connected to a connection point between the diodes D1 and D2.
- the capacitor C1 is connected between the DC positive bus 11 and the neutral point N1.
- Capacitor C2 is connected between DC negative bus 12 and neutral point N1. That is, the neutral point N1 is a connection point between the capacitors C1 and C2.
- the line 3 is connected to the neutral point N1. Line 3 is a neutral line.
- AC switches SW1 and SW2 are connected in series between a connection point of diodes D1 and D2 and a neutral point N1.
- AC switch SW1 includes a transistor Q3 and a diode D3.
- AC switch SW2 includes a transistor Q4 and a diode D4.
- Each of transistors Q3 and Q4 is a MOSFET.
- Transistor Q3 is arranged so that a current flows in the direction from line 3 to AC line 2.
- transistor Q4 is arranged so that a current flows in the direction from AC line 2 to line 3.
- Diodes D3 and D4 are connected in antiparallel to transistors Q3 and Q4, respectively.
- Each of transistors Q3 and Q4 has a parasitic diode (not shown).
- the parasitic diode of the transistor Q3 is formed so that a current flows in the same direction as the diode D3.
- the parasitic diode of the transistor Q4 is formed so that a current flows in the same direction as the diode D4.
- the control circuit 5 controls the switching of each of the transistors Q3 and Q4.
- a PWM (Pulse Width Modulation) method is employed as a switching method for the transistors Q3 and Q4.
- An AC voltage is supplied to the AC line 2.
- a DC voltage is generated between the DC positive bus 11 and the DC negative bus 12 by the switching of the transistors Q3 and Q4.
- the voltage of DC positive bus 11 is higher than the voltage of DC negative bus 12.
- FIG. 2 is a diagram showing a power conversion apparatus according to the first embodiment of the present invention.
- power conversion device 4 functions as a three-level PWM converter.
- the power conversion device 4 includes rectifier circuits 1A, 1B, and 1C and a control circuit 5.
- each of the rectifier circuits 1A, 1B, 1C has the same configuration as the rectifier circuit 1 shown in FIG. Therefore, each of the rectifier circuits 1A, 1B, and 1C includes two diodes (D1A and D2A, D1B and D2B, or D1C and D1C connected in series in the opposite direction between the DC positive bus 11 and the DC negative bus 12. D2C) and two capacitors (C1A and C2A, C1B and C2B, or C1C and C2C) connected in series between the DC positive bus 11 and the DC negative bus 12.
- Each of the neutral points NA, NB, and NC is a connection point between two corresponding capacitors.
- the rectifier circuit 1A further includes AC switches SW1A and SW2A connected in series between the AC line 2A and the line 3A.
- the rectifier circuit 1B further includes AC switches SW1B and SW2B connected in series between the AC line 2B and the line 3B.
- the rectifier circuit 1C further includes AC switches SW1C and SW2C connected in series between the AC line 2C and the line 3C.
- Each of these AC switches has a transistor (MOSFET) and a diode connected in reverse parallel to the transistor.
- AC lines 2A, 2B, and 2C are electrically connected to, for example, a three-phase AC power source (not shown). Lines 3A, 3B, 3C are connected to line 3.
- the control circuit 5 controls the switching of the transistors of each AC switch. As described above, the PWM method is adopted as the switching method of each transistor.
- FIG. 3 is a first diagram for explaining the generation of the recovery current.
- FIG. 4 is a second diagram for explaining the generation of the recovery current.
- FIG. 5 is a third diagram for explaining the generation of the recovery current.
- AC switches S1 and S2 are connected in series between two terminals of capacitor C.
- AC switch S1 includes a transistor Q1 and diodes Da and D1.
- AC switch S2 includes a transistor Q2 and diodes Db and D2.
- Transistors Q1 and Q2 are MOSFETs.
- the diodes Da and Db are MOSFET parasitic diodes.
- Diodes D1 and D2 are connected in antiparallel to transistors Q1 and Q2, respectively.
- the forward direction of the diode Da is the same as the forward direction of the diode D1.
- the forward direction of the diode Db is the same as the forward direction of the diode D2.
- FIG. 6 is a waveform diagram showing the voltage and current of each of the AC switches S1 and S2 shown in FIGS. Referring to FIG. 6, when AC switch S1 is in the on state and AC switch S2 is in the off state, the voltage applied to AC switch S1 is 0 and a current flows through AC switch S1. At this time, the current flowing through the AC switch S2 is zero.
- the AC switch S1 changes from the off state to the on state.
- the voltage applied to the AC switch S1 decreases to 0, and the current flowing through the AC switch S1 increases.
- the current flowing through the diodes Db and D2 once exceeds the zero axis and becomes positive, and then decreases to zero.
- the current in the positive direction surrounded by the broken line is the recovery current.
- the voltage of the AC switch S2 starts to rise during the generation of the recovery current.
- the MOSFETs (Q1, Q2) have parasitic diodes (Da, Db).
- the recovery current flowing through the diode Db may cause the MOSFET (Q2) to turn on unintentionally. In this case, the MOSFET (Q2) may be damaged.
- a snubber circuit is used to prevent such a problem.
- a wiring having a wide width is used.
- the recovery current is prevented from flowing through the AC switch.
- FIG. 7 is a first diagram for explaining the operation of the transistor Q3 of the rectifier circuit 1 shown in FIG.
- FIG. 8 is a second diagram for explaining the operation of the transistor Q3 of the rectifier circuit 1 shown in FIG.
- FIG. 9 is a third diagram for explaining the operation of the transistor Q3 of the rectifier circuit 1 shown in FIG.
- transistor Q3 is turned off.
- Transistor Q4 remains on.
- the current I2 flows out of the power supply E1 and passes through the diode D1.
- the current I2 returns to the power source E1 via the capacitors C1 and C2 (FIG. 8).
- the transistor Q3 changes from the off state to the on state.
- Transistor Q4 remains on.
- the recovery current Ir flows through the diode D1 in the reverse direction.
- No recovery current flows through the parasitic diodes of the transistors Q3 and Q4.
- a forward current flows through the diode Db.
- a recovery current flows through the diode Db.
- no forward current flowing through the parasitic diodes of transistors Q3 and Q4 is generated. Therefore, no recovery current flows through the parasitic diode in the recovery mode shown in FIG.
- FIG. 10 is a first diagram for explaining the operation of the transistor Q4 of the rectifier circuit 1 shown in FIG.
- FIG. 11 is a second diagram for explaining the operation of the transistor Q4 of the rectifier circuit 1 shown in FIG.
- FIG. 12 is a third diagram for explaining the operation of transistor Q4 of rectifier circuit 1 shown in FIG.
- transistor Q4 is turned off.
- Transistor Q3 remains on.
- the current I4 flows out of the power source E2 and passes through the reactor L2.
- the current I4 further passes through the diode D2 via the capacitors C1 and C2, and returns to the power supply E2 (FIG. 11).
- the transistor Q4 changes from the off state to the on state.
- Transistor Q3 remains on.
- the recovery current Ir flows in the reverse direction through the diode D2.
- current I5 flows out from power supply E2, passes through reactor L2 and transistors Q3 and Q4, and returns to power supply E2 (FIG. 12).
- No recovery current flows through the parasitic diodes of the transistors Q3 and Q4. This is because the forward current flowing through the parasitic diodes of the transistors Q3 and Q4 is not generated in the state shown in FIGS.
- the recovery current does not flow through the AC switches SW1 and SW2 even though the state of the transistor Q3 has changed.
- the recovery current does not flow through the AC switches SW1 and SW2 despite the change in the state of the transistor Q4.
- FIG. 13 is a diagram for explaining the control of the power conversion device 4 shown in FIG. Referring to FIG. 13, the control of rectifier circuits 1A, 1B, and 1C is the same as each other. Therefore, in FIG. 13, control of any one of the rectifier circuits 1A, 1B, and 1C is shown.
- the control circuit 5 compares the voltage command signal 103 with the reference signals 101 and 102.
- the reference signals 101 and 102 and the voltage command signal 103 are generated by the control circuit 5.
- the voltage command signal 103 is a sine wave signal.
- the frequency of voltage command signal 103 is equal to the frequency of AC power (for example, 50 Hz or 60 Hz).
- each of the reference signals 101 and 102 is a triangular wave signal.
- the frequency of each of the reference signals 101 and 102 is, for example, about 1 kHz to about 10 kHz.
- Mode (1) corresponds to a state where the voltage command signal 103 is larger than the reference signal 101.
- Mode (2) corresponds to a state where the voltage command signal 103 is larger than the reference signal 102 and smaller than the reference signal 101.
- Mode (3) corresponds to a state in which the voltage command signal 103 is smaller than the reference signal 102.
- FIG. 14 is a diagram for explaining the operation of the rectifier circuit corresponding to each mode shown in FIG. As described above, the rectifier circuits 1A, 1B, and 1C are controlled in the same manner. Therefore, in FIG. 14, the rectifier circuit 1 is shown as any one of the rectifier circuits 1A, 1B, and 1C. Referring to FIG. 14, in mode (1), both transistors Q3 and Q4 are turned off. In this case, current flows from AC power supply 10 through reactor L1 and diode D1 to capacitor C1.
- transistors Q3 and Q4 are both turned on. In this case, the current flows from the neutral point N1 to the connection point of the diodes D1 and D2. Alternatively, the current flows in the direction from the connection point of the diodes D1 and D2 to the neutral point N1.
- the recovery current can be prevented from flowing into the AC switches SW1 and SW2.
- the power converter 4 (PWM converter) shown in FIG. 2 is a three-level circuit. Therefore, the power conversion device 4 can convert an AC voltage having three values into a DC voltage.
- the ripple component generated in the reactor for example, the reactor L1 in FIG. 14
- the inductance of the reactor may be small. Therefore, the reactor can be reduced in size. Since the reactor can be reduced in size, the power conversion device can be reduced in size and weight.
- a three-level circuit in order to realize a three-level circuit, four switching elements connected in series between a DC positive bus and a DC negative bus are necessary (see, for example, International Publication WO2010 / 021052A1).
- a three-level circuit can be realized by two switching elements. For these reasons, the power converter can be reduced in size and weight.
- the recovery current does not flow through the AC switch.
- the AC switch is a MOSFET
- MOSFET can be used for the AC switch.
- the switching loss of the MOSFET is smaller than the switching loss of the IGBT.
- FIG. 15 is a diagram illustrating a power conversion device according to the second embodiment of the present invention.
- power conversion device 4A includes transistors Q1A, Q2A, Q1B, Q2B, Q1C, and Q2C in addition to rectifier circuits 1A, 1B, and 1C.
- the configuration of each of the rectifier circuits 1A, 1B, and 1C is the same as that shown in FIG.
- Each of the transistors Q1A, Q2A, Q1B, Q2B, Q1C, and Q2C is an IGBT.
- Transistors Q1A and Q2A are connected in series between DC positive bus 11 and DC negative bus 12.
- Transistors Q1B and Q2B are connected in series between DC positive bus 11 and DC negative bus 12.
- Transistors Q1C and Q2C are connected in series between DC positive bus 11 and DC negative bus 12.
- the control circuit 5 controls switching of the transistors Q1A, Q2A, Q1B, Q2B, Q1C, and Q2C.
- the diodes D1A and D2A are connected in antiparallel to the transistors Q1A and Q2A, respectively.
- Diodes D1B and D2B are connected in antiparallel to transistors Q1B and Q2B, respectively.
- Diodes D1C and D2C are connected in antiparallel to transistors Q1C and Q2C, respectively.
- the power factor of PWM converter is close to 1.0. Therefore, almost no current flows through the transistors Q1A, Q2A, Q1B, Q2B, Q1C, and Q2C. For this reason, in the power conversion device 4 (PWM converter) shown in FIG. 2, the transistors Q1A, Q2A, Q1B, Q2B, Q1C, and Q2C are omitted from the configuration shown in FIG.
- the power conversion device 4A includes rectifier circuits 1A, 1B, and 1C according to the first embodiment. Therefore, according to this embodiment, the same effect as the power conversion device according to Embodiment 1 can be obtained.
- an arm is constituted by two transistors connected in series between the DC positive bus 11 and the DC negative bus 12.
- the three-phase AC motor can be regenerated. That is, the power conversion device 4A can convert AC power generated by the regenerative operation of the three-phase AC motor into DC power.
- the power supply device according to the third embodiment is realized by the power conversion device according to the first or second embodiment.
- FIG. 16 is a diagram illustrating a first configuration example of the power supply device according to the third embodiment of the present invention.
- power conversion device 4 (or 4A) converts three-phase AC power from AC power supply 10 into DC power.
- Power converter 4 (or 4A) supplies the DC power to DC load 6 via DC positive bus 11 and DC negative bus 12.
- Line 3 is connected to AC power supply 10 and DC load 6.
- FIG. 17 is a diagram showing a second configuration example of the power supply device according to the third embodiment of the present invention.
- power conversion device 4 (or 4A) converts DC power from DC power supply E into three-phase AC power.
- DC positive bus 11 and DC negative bus 12 are connected to DC power source E.
- the power converter 4 (or 4A) supplies the three-phase AC power to the AC load 7 via the AC lines 2A, 2B, and 2C.
- the AC load 7 is a three-phase four-wire load. Line 3 is connected to AC load 7.
- the power conversion device 4 (or 4A) can be used not only as a converter but also as an inverter (3-level PWM inverter).
- the power converter 4A can convert the AC power generated by the regenerative operation of the three-phase AC motor into DC power, and supply the DC power to the DC power source E.
- FIG. 18 is a diagram showing a third configuration example of the power supply device according to the third embodiment of the present invention.
- power supply device 20 includes a power conversion device 4 and a power conversion device 4B.
- the configuration of the power conversion device 4B is the same as the configuration of the power conversion device 4.
- the power conversion device 4 converts the three-phase AC power from the AC power supply 10 into DC power.
- the power conversion device 4B converts the DC power from the power conversion device 4 into three-phase AC power, and supplies the three-phase AC power to the AC load 7 via the AC lines 22A, 22B, and 22C.
- the AC load 7 is a three-phase four-wire load. Line 3 is connected to AC power supply 10 and AC load 7.
- the power conversion device 4 ⁇ / b> A can be used instead of the power conversion device 4.
- the configuration of power conversion device 4B is, for example, the same as the configuration of power conversion device 4A.
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Abstract
Description
図1は、本発明の第1の実施の形能に係る電力変換装置の基本的な構成を示す図である。図1を参照して、電力変換装置は、整流回路1と制御回路5とを含む。整流回路1は、ダイオードD1,D2と、交流スイッチSW1,SW2と、コンデンサC1,C2とを備える。
図15は、本発明の第2の実施の形能に係る電力変換装置を示す図である。図15を参照して、電力変換装置4Aは、整流回路1A,1B,1Cに加えて、トランジスタQ1A,Q2A,Q1B,Q2B,Q1C,Q2Cを備える。整流回路1A,1B,1Cの各々の構成は、図2に示された構成と同様である。
実施の形態3に係る電源装置は、実施の形態1または2に係る電力変換装置によって実現される。
Claims (5)
- 直流正母線(11)に接続されたカソード端子を有する第1のダイオード(D1)と、
前記第1のダイオード(D1)のアノード端子に接続されたカソード端子と、直流負母線(12)に接続されたアノード端子とを有する第2のダイオード(D2)と、
前記直流正母線(11)と中性点(N1)との間に接続された第1のコンデンサ(C1)と、
前記直流負母線(12)と前記中性点(N1)との間に接続された第2のコンデンサ(C2)と、
前記第1および第2のダイオードの接続点と、前記中性点(N1)との間に接続された交流スイッチ(SW1,SW2)とを備える、電力変換装置。 - 前記交流スイッチ(SW1,SW2)は、
前記第1および第2のダイオード(D1,D2)の前記接続点と前記中性点(N)との間に直列に接続された第1および第2のMOSFET(Q3,Q4)と、
前記第1のMOSFETに逆並列接続された第3のダイオード(D3)と、
前記第2のMOSFETに逆並列接続された第4のダイオード(D4)とを含む、請求項1に記載の電力変換装置。 - 前記電力変換装置は、
前記直流正母線(11)と前記直流負母線(12)との間に直列に接続された第1および第2の半導体スイッチング素子(Q1,Q2)をさらに備え、
前記第1のダイオード(D1)は、前記第1の半導体スイッチング素子(Q1)に逆並列接続され、
前記第2のダイオード(D2)は、前記第2の半導体スイッチング素子(Q2)に逆並列接続される、請求項2に記載の電力変換装置。 - [規則91に基づく訂正 02.04.2014]
前記第1および第2のダイオード(D1,D2)の前記接続点は交流ライン(2)に接続され、
前記電力変換装置は、前記交流ライン(2)を介して供給された交流電圧が直流電圧に変換されるように前記第1および第2のMOSFET(Q3,Q4)を制御するための制御回路(5)をさらに備える、請求項2に記載の電力変換装置。 - 前記第1および第2のダイオード(D1,D2)の前記接続点は交流ライン(2)に接続され、
前記電力変換装置は、前記直流正母線(11)および前記直流負母線(12)を介して供給された直流電圧が交流電圧に変換されるように前記第1および第2のMOSFET(Q3,Q4)を制御するための制御回路(5)をさらに備える、請求項2に記載の電力変換装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US14/371,812 US20140347904A1 (en) | 2012-02-03 | 2012-02-03 | Power converter |
PCT/JP2012/052500 WO2013114613A1 (ja) | 2012-02-03 | 2012-02-03 | 電力変換装置 |
CN201280068759.2A CN104081645A (zh) | 2012-02-03 | 2012-02-03 | 功率转换装置 |
KR1020147021664A KR20140110037A (ko) | 2012-02-03 | 2012-02-03 | 전력 변환 장치 |
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PCT/JP2012/052500 WO2013114613A1 (ja) | 2012-02-03 | 2012-02-03 | 電力変換装置 |
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US (1) | US20140347904A1 (ja) |
KR (1) | KR20140110037A (ja) |
CN (1) | CN104081645A (ja) |
WO (1) | WO2013114613A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2016031037A1 (ja) * | 2014-08-29 | 2016-03-03 | 東芝三菱電機産業システム株式会社 | インバータ |
US9843270B2 (en) * | 2015-01-13 | 2017-12-12 | Hamilton Sundstrand Corporation | Phase leg arrangements for multilevel active rectifiers |
DE102015105889A1 (de) * | 2015-04-17 | 2016-10-20 | Ge Energy Power Conversion Technology Limited | Schaltmodul und Umrichter mit wenigstens einem Schaltmodul |
JP6378828B2 (ja) * | 2015-04-20 | 2018-08-22 | 東芝三菱電機産業システム株式会社 | コンバータおよびそれを用いた電力変換装置 |
FR3072221B1 (fr) * | 2017-10-09 | 2021-03-26 | Continental Automotive France | Dispositif d’alimentation d’un calculateur electronique |
JP7039430B2 (ja) * | 2018-09-19 | 2022-03-22 | 株式会社東芝 | Ac/dcコンバータ |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2857094B2 (ja) * | 1995-12-28 | 1999-02-10 | 株式会社東芝 | 三相整流装置 |
CN100377481C (zh) * | 2003-03-24 | 2008-03-26 | 台达电子工业股份有限公司 | 具有三相功率因数校正的集成变换装置 |
ES2318555T3 (es) * | 2005-10-24 | 2009-05-01 | Conergy Ag | Inversor. |
TWI316166B (en) * | 2006-05-30 | 2009-10-21 | Delta Electronics Inc | Bridgeless pfc converter with low common-mode noise and high power density |
US20090040800A1 (en) * | 2007-08-10 | 2009-02-12 | Maximiliano Sonnaillon | Three phase rectifier and rectification method |
JP5085742B2 (ja) * | 2008-10-16 | 2012-11-28 | 東芝三菱電機産業システム株式会社 | 電力変換装置 |
KR101136404B1 (ko) * | 2009-02-20 | 2012-04-18 | 도시바 미쓰비시덴키 산교시스템 가부시키가이샤 | 전력 변환 장치 |
JP2011078271A (ja) * | 2009-10-01 | 2011-04-14 | Mitsubishi Electric Corp | 電力変換装置 |
WO2011050087A1 (en) * | 2009-10-20 | 2011-04-28 | Intrinsic Audio Solutions, Inc. | Digitally controlled ac protection and attenuation circuit |
WO2011102082A1 (ja) * | 2010-02-17 | 2011-08-25 | 富士電機システムズ株式会社 | 電力変換装置 |
WO2011143136A2 (en) * | 2010-05-12 | 2011-11-17 | Magistor Technologies, L.L.C. | Ac battery employing magistor technology |
US9362844B2 (en) * | 2013-06-14 | 2016-06-07 | Hamilton Sundstrand Corporation | Method of deriving switch current signals in a rectifier |
-
2012
- 2012-02-03 US US14/371,812 patent/US20140347904A1/en not_active Abandoned
- 2012-02-03 KR KR1020147021664A patent/KR20140110037A/ko not_active Application Discontinuation
- 2012-02-03 WO PCT/JP2012/052500 patent/WO2013114613A1/ja active Application Filing
- 2012-02-03 CN CN201280068759.2A patent/CN104081645A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN104081645A (zh) | 2014-10-01 |
KR20140110037A (ko) | 2014-09-16 |
US20140347904A1 (en) | 2014-11-27 |
WO2013114613A1 (ja) | 2013-08-08 |
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