WO2017037917A1 - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
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- WO2017037917A1 WO2017037917A1 PCT/JP2015/075071 JP2015075071W WO2017037917A1 WO 2017037917 A1 WO2017037917 A1 WO 2017037917A1 JP 2015075071 W JP2015075071 W JP 2015075071W WO 2017037917 A1 WO2017037917 A1 WO 2017037917A1
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- input terminal
- signal input
- power semiconductor
- voltage
- terminal
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
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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
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/538—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a push-pull configuration
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/16—Modifications for eliminating interference voltages or currents
- H03K17/161—Modifications for eliminating interference voltages or currents in field-effect transistor switches
- H03K17/165—Modifications for eliminating interference voltages or currents in field-effect transistor switches by feedback from the output circuit to the control circuit
- H03K17/166—Soft switching
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/567—Circuits characterised by the use of more than one type of semiconductor device, e.g. BIMOS, composite devices such as IGBT
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
- H03K17/795—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors
- H03K17/7955—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors using phototransistors
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/0175—Coupling arrangements; Interface arrangements
- H03K19/017509—Interface arrangements
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/0081—Power supply means, e.g. to the switch driver
Definitions
- This invention relates to the power converter device provided with the power semiconductor module which accommodated the power semiconductor switching element.
- Power conversion devices such as inverter devices, servo amplifier devices, and switching power supply devices incorporate a power semiconductor switching element.
- the conduction state between the first main terminal and the second main terminal changes according to an electrical signal applied between the first signal input terminal and the second signal input terminal.
- the gate driving circuit drives the power semiconductor switching element by applying an electrical signal between the first signal input terminal and the second signal input terminal of the power semiconductor switching element.
- Patent Document 1 a divided voltage obtained by dividing a voltage between main terminals of a power semiconductor switching element by a resistor is generated and transmitted to a gate drive circuit.
- the gate drive circuit includes current drive means for injecting current into the first signal input terminal of the power semiconductor switching element according to the divided voltage.
- Patent Document 2 a divided voltage obtained by dividing the voltage between the main terminals of the power semiconductor switching element by two capacitors is generated and transmitted to the gate drive circuit.
- Two capacitors for generating a divided voltage are molded in one package to constitute an element module.
- the power converter must have mechanical strength that can withstand vibration.
- a large vibration is applied to a power conversion device mounted on a moving body such as an automobile or a railway vehicle.
- Even power converters installed in buildings need to withstand vibration during transportation.
- Patent Document 1 does not disclose a technique relating to mechanical strength that can withstand vibration.
- the two capacitors for generating the divided voltage are molded and configured in one package, they have mechanical strength that can withstand vibration.
- it since it is molded, there is a problem that it is difficult to change the constant of the impedance element that generates the divided voltage.
- the present invention has been made in view of the above, and obtains a power conversion device that can easily change the constant of an impedance element that generates a divided voltage while ensuring mechanical strength that can withstand vibration. For the purpose.
- the present invention provides a power semiconductor module that houses one or more power semiconductor switching elements, a gate drive circuit that drives the power semiconductor switching elements,
- the power semiconductor module includes: a first main terminal connected to a collector potential or a drain potential of the power semiconductor switching element; and a first signal input terminal; A second signal input terminal connected to a gate potential of the power semiconductor switching element; a second main terminal and a third signal input terminal connected to an emitter potential or a source potential of the power semiconductor switching element;
- the power converter detects a voltage between the first signal input terminal and the third signal input terminal.
- a voltage dividing circuit board that generates a voltage and transmits the voltage to the gate driving circuit, the voltage dividing circuit board being electrically connected to the first signal input terminal and the third signal input terminal;
- the gate driving circuit is mounted on the power semiconductor module, and the gate driving circuit changes the driving speed of the power semiconductor switching element according to the divided voltage output from the voltage dividing circuit board.
- the present invention it is possible to easily change the constant of the impedance element that generates the divided voltage while ensuring the mechanical strength that can withstand vibration.
- FIG. 3 is a circuit diagram showing a main configuration of the power conversion device according to the first embodiment.
- the perspective view which shows the structural example of the semiconductor module for electric power in the power converter device of Embodiment 1.
- FIG. The perspective view which shows the structural example of the voltage dividing circuit in the power converter device of Embodiment 1.
- FIG. The perspective view which shows the example of arrangement
- the circuit diagram which shows the principal part structure of the power converter device which concerns on Embodiment 2.
- FIG. 2 The perspective view which shows the principal part structure of the power converter device which concerns on Embodiment 2.
- FIG. 1 Sectional drawing which shows the 3rd Example which accommodates a signal wiring in the insulating tube used with the power converter device which concerns on Embodiment 3.
- FIG. The perspective view which shows the example of arrangement
- FIG. The perspective view which shows the example of a connection between the voltage divider circuit board and the gate drive circuit board in the power converter device of Embodiment 4.
- FIG. 1 is a circuit diagram showing a main configuration of the power conversion device according to the first embodiment.
- 2 to 5 are perspective views showing the configuration of the main part of the power conversion device according to the first embodiment.
- FIG. 2 shows an arrangement example of the terminal portion of the power semiconductor module 10A
- FIG. 4 shows an example of the configuration of the voltage dividing circuit 16A
- FIG. 4 shows an example of the arrangement of the terminal portions of the gate drive circuit 12A
- FIG. 5 shows a circuit board 12K, voltage dividing circuit board 16K, and power semiconductor module 10A configured as shown in FIGS. A connection example between them is shown.
- FIGS. 2 to 5 are merely examples, and are not limited to the configuration examples in the drawings.
- the power conversion device includes a power semiconductor module 10A in which a power semiconductor switching element for driving a drive load (for example, a motor) (not shown) is housed, and a power semiconductor module.
- a gate drive circuit 12A which is a peripheral circuit for controlling 10A, a switching signal generating unit 20 for generating a switching signal for controlling the power semiconductor module 10A, and a switching signal generated by the switching signal generating unit 20 are received.
- an insulation circuit 14A that transmits to the gate drive circuit 12A and a voltage dividing circuit 16A that detects a voltage between main terminals in the power semiconductor module 10A and generates a divided voltage are provided.
- the power semiconductor module 10A accommodates a power semiconductor switching element in which a transistor element 10Aa and a diode element 10Ab are connected in parallel.
- a transistor element 10Aa an IGBT as illustrated in FIG. 1 is exemplified, but the transistor element 10Aa is not limited to the IGBT, and for example, a MOSFET may be used.
- the connection of the diode element 10Ab may be omitted.
- the power semiconductor module 10A constitutes one arm in the power conversion circuit. If the power conversion circuit is a half-bridge circuit (hereinafter referred to as a “half-bridge circuit”), two power semiconductor modules are connected in series. In the half-bridge circuit, the power semiconductor switching element to which the high potential side voltage is applied is “positive power semiconductor switching element”, “P side power semiconductor switching element”, “upper power semiconductor switching element”, etc. Also referred to as “positive side arm”, “high potential side arm”, “P side arm”, “upper arm” and the like. The power semiconductor switching elements to which the low potential side voltage is applied are referred to as “negative power semiconductor switching elements”, “N side power semiconductor switching elements”, “lower power semiconductor switching elements”, and the like.
- the power conversion circuit is a single-phase inverter circuit, it can be configured by connecting two half-bridge circuits in parallel. If the power conversion circuit is a three-phase inverter circuit, the three half-bridge circuits are connected in parallel. It can be configured by connecting.
- the power semiconductor module 10A includes a collector main terminal 10A1 that is a first main terminal, an emitter main terminal 10A2 that is a second main terminal connected to the emitter potential of the transistor element 10Aa, and a first signal input terminal.
- a collector auxiliary terminal 10A3, a gate auxiliary terminal 10A4 that is a second signal input terminal, and an emitter auxiliary terminal 10A5 that is a third signal input terminal are provided.
- the collector main terminal 10A1 is connected to the collector potential of the transistor element 10Aa
- the emitter main terminal 10A2 and the emitter auxiliary terminal 10A5 are connected to the emitter potential
- the gate auxiliary terminal 10A4 is connected to the gate potential.
- the transistor element 10Aa is a MOSFET
- the “collector potential” is “drain potential” and the “emitter potential” is “source potential”.
- collector main terminal 10A1 An arrangement example of the collector main terminal 10A1, the emitter main terminal 10A2, the collector auxiliary terminal 10A3, the gate auxiliary terminal 10A4, and the emitter auxiliary terminal 10A5 is as shown in FIG.
- three collector main terminals 10A1, three emitter main terminals 10A2, one collector auxiliary terminal 10A3, one gate auxiliary terminal 10A4 and one emitter auxiliary are provided on one main surface side of the module housing 10S.
- Terminal 10A5 is arranged.
- the three collector main terminals 10A1 are arranged along the longitudinal direction on one end side in the longitudinal direction of the module casing 10S, and the three emitter main terminals 10A2 are arranged in the module casing at the center of the module casing 10S.
- One collector auxiliary terminal 10A3, one gate auxiliary terminal 10A4, and one emitter auxiliary terminal 10A5 are arranged along the longitudinal direction of 10S, and are arranged in the longitudinal direction on the other end side in the longitudinal direction of the module housing 10S. Are arranged along. Note that the arrangement example of FIG. 2 is an example, and it goes without saying that other arrangement examples are allowed.
- the gate drive circuit 12A is a circuit that drives the power semiconductor module 10A.
- the gate drive circuit 12A is provided for each power semiconductor switching element. That is, if the power conversion circuit that is the main circuit of the power conversion device is a single-phase inverter circuit, four gate drive circuits are provided, and if the power conversion circuit is a three-phase inverter circuit, six gate drive circuits are provided. It is done.
- the gate drive circuit 12A includes four transistor elements that are bridge-connected, specifically, a first on transistor 12A1a, a first off transistor 12A1b, a second on transistor 12A1c, and a second off transistor 12A1d. It has.
- the first on transistor 12A1a and the first off transistor 12A1b are connected in series via two gate resistors 12A2a and 12A2b, and the second on transistor 12A1c and the second off transistor 12A1d are 2
- Two gate resistors 12A2c and 12A2d are connected in series.
- the gate drive circuit 12A is provided with a divided voltage input terminal 12A6a that is one input terminal, and a gate output terminal 12A6b and an emitter output terminal 12A6c that are two output terminals.
- the connection point of the gate resistors 12A2a and 12A2b and the connection point of the gate resistors 12A2c and 12A2d are connected, and further connected to the gate output terminal 12A6b.
- FIG. 4 shows an arrangement example of terminal portions in the gate drive circuit 12A.
- the circuit configuration of FIG. 1 is provided by providing the divided voltage input terminal 12A6a, the gate output terminal 12A6b, and the emitter output terminal 12A6c on the circuit board 12K. Is embodied.
- the circuit board 12K may be the same board as the circuit board on which the gate drive circuit 12A is mounted, or may be a different board. Hereinafter, the circuit board is also referred to as a “gate drive circuit board”.
- the capacitors 12A5a and 12A5b are connected in series and function as the operating power supply 12A5 for the first on transistor 12A1a and the first off transistor 12A1b.
- a connection point between the capacitors 12A5a and 12A5b is connected to the emitter output terminal 12A6c inside the gate drive circuit 12A.
- the gate drive circuit 12A includes a switching speed switching unit 12A3 that switches a speed when driving the power semiconductor module 10A.
- the switching speed switching unit 12A3 can be configured by a logic circuit, for example.
- the gate drive circuit 12A includes a divided voltage determination unit 12A4.
- the divided voltage generated by a voltage dividing circuit 16A described later is input to the divided voltage determination unit 12A4.
- the input divided voltage includes information on the voltage between the main terminals in the power semiconductor module 10A.
- Divided voltage determination unit 12A4 compares the divided voltage with a reference voltage, and generates a signal indicating whether the divided voltage is higher or lower than the reference voltage (hereinafter referred to as “voltage determination signal” or “determination signal”). And output to the switching speed switching unit 12A3.
- the insulation circuit 14A is a circuit that electrically insulates the switching signal generator 20 and the gate drive circuit 12A. As illustrated, the insulating circuit 14A can be configured using a photocoupler including a light emitting diode 14A1 and a phototransistor 14A2.
- the voltage dividing circuit 16A is provided with an impedance element group 16e in which a plurality of impedance elements are connected in series.
- impedance element group 16e in which a plurality of impedance elements are connected in series.
- four resistance elements 16e1, 16e2, 16e3, and 16e4 connected in series are illustrated.
- the voltage dividing circuit 16A includes two connection terminals, ie, a collector connection terminal 16A1 and an emitter connection terminal 16A2, a divided voltage output terminal 16A3 that is one output terminal, and an emitter input terminal 16A4 that is one input terminal. And are provided.
- One end of the resistance element 16e1 is connected to the collector connection terminal 16A1, and one end of the resistance element 16e4 is connected to each of the emitter connection terminal 16A2 and the emitter input terminal 16A4, and the connection point between the resistance element 16e3 and the resistance element 16e4 is divided. Wired to the voltage output terminal 16A3. That is, in the configuration of FIG. 1, the divided voltage generated in the resistance element 16e4 is applied to the divided voltage determination unit 12A4.
- FIG. 3 shows an example of the configuration of the voltage dividing circuit 16A.
- the impedance element group 16e is arranged on the voltage dividing circuit board 16K, and a resistor element is formed with a U-shaped electric wiring so that a terminal can be easily provided.
- the circuit configuration shown in FIG. 1 is realized by connecting the two terminals and providing the collector connection terminal 16A1, the emitter connection terminal 16A2, the divided voltage output terminal 16A3, and the emitter input terminal 16A4 on the electrical wiring.
- the voltage dividing circuit 16A is mounted on the power semiconductor module 10A as shown in FIG. At this time, the collector connection terminal 16A1 and the collector auxiliary terminal 10A3 of the power semiconductor module 10A are electrically connected, and the emitter connection terminal 16A2 and the emitter auxiliary terminal 10A5 of the power semiconductor module 10A are electrically connected. Configured to be Further, the divided voltage output terminal 16A3 of the voltage dividing circuit 16A and the divided voltage input terminal 12A6a of the gate drive circuit board 12K are connected by a signal wiring 18A1 which is a divided voltage signal wiring, and the gate of the power semiconductor module 10A.
- the auxiliary terminal 10A4 and the gate output terminal 12A6b of the gate driving circuit board 12K are connected by a signal wiring 18A2 which is a gate signal wiring, and the emitter input terminal 16A4 of the voltage dividing circuit 16A and the emitter output terminal 12A6c of the gate driving circuit board 12K are connected.
- a signal wiring 18A3 which is an emitter signal wiring.
- the impedance element group 16e may be configured by connecting capacitors or diodes in series instead of the resistance elements. Moreover, it is not limited to the serial connection of a resistance element, a capacitor
- the divided voltage may be increased according to the input withstand voltage of the divided voltage determination unit 12A4.
- a voltage generated in the resistance elements 16e3 and 16e4 that is, a voltage across the resistance elements 16e3 and 16e4 may be extracted as a divided voltage.
- the switching signal generator 20 generates a switching signal for driving the power semiconductor module 10A and outputs the switching signal to the insulating circuit 14A.
- a switching signal from the switching signal generator 20 for example, when a command signal for controlling the power semiconductor module 10A to be turned on (hereinafter referred to as an “on command signal”) is input to the insulation circuit 14A, the light emitting diode 14A1 is Lights up and the phototransistor 14A2 becomes conductive. Further, as a switching signal from the switching signal generator 20, for example, a command signal for controlling the power semiconductor module 10A to be turned off (hereinafter referred to as an “off command signal”) is input to the insulating circuit 14A to emit light. The diode 14A1 is turned off and the phototransistor 14A2 is turned off. In this way, the ON command signal and the OFF command signal from the switching signal generation unit 20 are recognized by the switching speed switching unit 12A3 of the gate drive circuit 12A as a current change due to a change in the conduction state of the phototransistor 14A2.
- the voltage dividing circuit 16A includes a voltage applied between the main terminals of the power semiconductor module 10A, that is, a collector main terminal 10A1 that is a first main terminal of the power semiconductor module 10A, and a second voltage of the power semiconductor module 10A. A divided voltage obtained by dividing the voltage between the main terminal and the emitter main terminal 10A2 is generated and output to the gate drive circuit 12A.
- the divided voltage generated by the voltage dividing circuit 16A is input to the divided voltage determination unit 12A4 of the gate drive circuit 12A.
- the divided voltage determination unit 12A4 generates a determination signal indicating whether the divided voltage is higher or lower than the reference voltage, and outputs the determination signal to the switching speed switching unit 12A3.
- the switching speed switching unit 12A3 switches the driving speed of the power semiconductor module 10A based on the determination signal from the divided voltage determination unit 12A4 and the command signal from the insulation circuit 14A. Details of the operation when switching the driving speed of the power semiconductor module 10A are as follows.
- both the first on transistor 12A1a and the second on transistor 12A1c are controlled to be on, and the first off transistor 12A1b and Both of the second off transistors 12A1d are controlled to be off. If both the first on transistor 12A1a and the second on transistor 12A1c are controlled to be on, both the gate resistors 12A2a and 12A2c are connected in parallel to the first signal input terminal 10A3. Becomes smaller and the switching speed becomes faster.
- the speed at which the power semiconductor module 10A is turned on is decreased, only one of the first on transistor 12A1a and the second on transistor 12A1c is controlled to be turned on, Both the off transistor 12A1b and the second off transistor 12A1d are controlled to be off.
- the gate resistor 12A2a is connected to the first signal input terminal 10A3, the gate resistance is increased, and the switching speed is decreased.
- both the first on transistor 12A1a and the second on transistor 12A1c are controlled to be off, and the first off transistor 12A1b and Both of the second off transistors 12A1d are controlled to be on. If both the first off transistor 12A1b and the second off transistor 12A1d are controlled to be on, both the gate resistors 12A2b and 12A2d are connected in parallel to the first signal input terminal 10A3. Becomes smaller and the switching speed becomes faster.
- both the first on transistor 12A1a and the second on transistor 12A1c are controlled to be off, and the first off transistor 12A1b is turned off. Only one of the second off transistor 12A1d is controlled to be on. For example, if only the first off transistor 12A1b is controlled to be turned on, only the gate resistor 12A2b is connected to the first signal input terminal 10A3, the gate resistance is increased and the switching speed is decreased.
- said control is an example and is not limited to those controls.
- the gate resistor 12A2c having a smaller resistance value than that of the gate resistor 12A2a is used and the speed when turning on the power semiconductor module 10A is reduced, the gate resistor having a relatively large resistance value
- the first on transistor 12A1a connected to 12A2a is controlled to be turned on and the power semiconductor module 10A is turned on at high speed, it is connected to the gate resistor 12A2c having a relatively small resistance value.
- the second on transistor 12A1c may be controlled to be on.
- the gate resistor 12A2d when the resistance of the gate resistor 12A2d is smaller than that of the gate resistor 12A2b and the speed when turning off the power semiconductor module 10A is reduced, a relatively large resistance value is set.
- the first off transistor 12A1b connected to the gate resistor 12A2b having the first off transistor 12A1b is controlled to be turned on to increase the speed when the power semiconductor module 10A is turned off, the gate resistor 12A2d having a relatively small resistance value is used.
- the second off transistor 12A1d connected to may be controlled to be turned on.
- the voltage dividing circuit including a plurality of impedance elements is configured by the substrate and the voltage dividing circuit substrate is mounted on the power semiconductor module, it can withstand vibration. It becomes possible to ensure mechanical strength.
- the divided voltage output terminal for taking out the divided voltage is provided on the voltage dividing circuit board, and any impedance among the impedance elements constituting the impedance element group is provided. Since the voltage generated in the element is input to the gate drive circuit via the divided voltage output terminal, it is possible to easily change the constant of the impedance element that generates the divided voltage.
- FIG. FIG. 6 is a circuit diagram showing a main configuration of the power conversion device according to the second embodiment
- FIG. 7 shows the voltage divider circuit board 16K and the gate drive circuit board 12K in the power conversion device of the second embodiment. It is a perspective view which shows the example of a connection between them. 6 and FIG. 7, in the power conversion device according to the second embodiment shown in FIG. 1, the gate output terminal 12A6b of the gate drive circuit 12A and the power semiconductor module 10A of the power conversion device according to the first embodiment shown in FIG.
- the configuration in which the signal wiring 18A2 is connected to the gate auxiliary terminal 10A4 is changed to the configuration in which the wiring is connected via the voltage dividing circuit 16A.
- the voltage dividing circuit board 16K is provided with a gate connection terminal 16A5 and a gate input terminal 16A6.
- the gate connection terminal 16A5 and the gate input terminal 16A6 are connected on the substrate.
- the gate input terminal 16A6 is connected to the gate output terminal 12A6b through the signal wiring 18A2.
- it is the same as that of FIG. 1, and it attaches
- the connection places with the gate drive circuit which are two places in the first embodiment are changed in the second embodiment. Since the number is increased to three, an effect that the mechanical strength can be increased as compared with the first embodiment is obtained.
- FIG. 8 is a perspective view showing a connection example between the voltage dividing circuit board 16K and the gate drive circuit board 12K in the power conversion device of the third embodiment. It is a circuit diagram which shows the principal part structure of the power converter device which concerns.
- the signal wiring 18A1 connecting the gate drive circuit board 12K and the voltage dividing circuit board 16K. , 18A2 and 18A3 are housed in an insulating tube 22 and configured.
- 9 to 12 are sectional views showing variations (first to third embodiments) in which signal wiring is accommodated in an insulating tube.
- FIG. 9 shows a first embodiment.
- three signal wires of a first signal wire 22A1a, a second signal wire 22A2a, and a third signal wire 22A3a are accommodated in the insulating tube 22A.
- Each of the first signal wiring 22A1a, the second signal wiring 22A2a, and the third signal wiring 22A3a secures insulation even when the signal wirings are in contact with each other. Therefore, the first signal wiring coating 22A1b and the second signal wiring coating 22A2b are used.
- the third signal wiring cover 22A3b In FIG. 9, gaps are visible between the signal wires.
- the signal wires may be fixed by filling the gaps with a filler or the like, or the signal wires are fixed by narrowing the insulating tube 22A. You may make it do.
- the first signal wiring 22A1a used as the divided voltage signal wiring and the third signal wiring 22A3a used as the emitter signal wiring can be arranged close to each other. Since the wiring loop surrounding 22A1aB1 and the third signal wiring 22A3a can be kept small and the parasitic inductance between the first signal wiring 22A1a and the third signal wiring 22A3a can be suppressed, the gate drive from the voltage dividing circuit board 16K. It is possible to improve the signal quality of the divided voltage transmitted to the circuit 12A.
- FIG. 10 shows a second embodiment.
- the first signal wiring 22B1, the second signal wiring 22B2, and the third signal wiring 22B3 housed in the insulating tube 22B are not covered, and the first signal wiring 22B1 and the second signal wiring are not provided.
- the entire wiring 22B2 and third signal wiring 22B3 are covered. That is, in the second embodiment, the covering 22B4 that covers the periphery of the first signal wiring 22B1, the second signal wiring 22B2, and the third signal wiring 22B3 and the cylindrical portion that constitutes the insulating tube 22B are integrally configured. ing.
- the first signal wiring 22B1, the second signal wiring 22B2, and the third signal wiring 22B3 are rigidly held inside the insulating tube 22B.
- the mechanical strength that can withstand vibration can be further strengthened.
- FIG. 11 is a diagram showing a modification of the second embodiment.
- the cover 22B4 that covers the periphery of the first signal wiring 22B1, the second signal wiring 22B2, and the third signal wiring 22B3, and the cylindrical portion 22B5 that forms the insulating tube may be formed of different members. Good.
- FIG. 12 shows a third embodiment.
- the second signal wiring 22C2 is formed in a cylindrical shape, and the second signal wiring
- the first signal wiring 22C1 and the third signal wiring 22C3 are accommodated in the wiring 22C2, and a common coating 22C4 is applied to the first signal wiring 22C1 and the third signal wiring 22C3.
- the first signal wiring 22C1, the second signal wiring 22C2, and the third signal wiring 22C3 are rigidly held inside the insulating tube 22C, in addition to the effects of the first embodiment, The mechanical strength that can withstand vibration can be further strengthened.
- a high-speed switching signal (gate drive signal) is placed on the gate signal wiring, so that it is easily affected by the skin effect.
- the second signal wiring 22C2 used as the gate signal wiring has a cylindrical structure, a further effect is obtained in that it is less susceptible to the skin effect.
- Embodiment 4 FIG. In the fourth embodiment, a case where a 2-in-1 module is used as a power semiconductor module constituting a power conversion circuit will be described.
- FIG. 13 is a circuit diagram showing a main configuration of the power conversion device according to the fourth embodiment.
- 14 to 17 are perspective views showing the configuration of the main part of the power conversion device according to the fourth embodiment.
- FIG. 14 shows an arrangement example of terminal portions of the power semiconductor module 50
- FIG. FIG. 16 shows an example of the arrangement of the terminal portions of the gate drive circuits 12A and 12B.
- FIG. 17 shows the gate drive circuit boards 12AK and 12BK and the voltage divider circuit board 16K configured as shown in FIGS. The connection example between is shown. Note that the configurations of FIGS. 14 to 17 are merely examples, and are not limited to the configuration examples of the respective drawings.
- the power semiconductor module 50 includes a first semiconductor switching element in which a transistor element 50Aa and a diode element 50Ab are connected in parallel, and a second semiconductor element in which a transistor element 50Ba and a diode element 50Bb are connected in parallel.
- This is a 2-in-1 module in which a semiconductor switching element is connected in series and accommodated in the module.
- the first semiconductor switching element constitutes a P-side arm
- the second semiconductor switching element constitutes an N-side arm.
- the transistor elements 50Aa and 50Ba are exemplified by IGBTs as shown in FIG. 13, but are not limited to IGBTs.
- the connection of the diode elements 50Ab and 50Bb may be omitted.
- the power semiconductor module 50 includes a P-side main terminal 50P that is a high-potential side main terminal, an N-side main terminal 50N that is a low-potential side main terminal, and an AC main terminal that is connected to a load (not shown).
- An N-side collector auxiliary terminal 50B3 that is a fourth signal input terminal, an N-side gate auxiliary terminal 50B4 that is a fifth signal input terminal, and an N-side emitter auxiliary terminal 50B5 that is a sixth signal input terminal are provided.
- P side main terminal 50P N side main terminal 50N, AC main terminal 50AC, P side collector auxiliary terminal 50A3, P side gate auxiliary terminal 50A4, P side emitter auxiliary terminal 50A5, N side collector auxiliary terminal 50B3, N side gate auxiliary terminal
- An arrangement example of 50B4 and N-side emitter auxiliary terminal 50B5 is as shown in FIG. According to FIG.
- a P-side main terminal 50P on one main surface side of the module housing 50S, a P-side main terminal 50P, an N-side main terminal 50N, an AC main terminal 50AC, a P-side collector auxiliary terminal 50A3, a P-side gate auxiliary terminal 50A4, P Side emitter auxiliary terminal 50A5, N side collector auxiliary terminal 50B3, N side gate auxiliary terminal 50B4, and N side emitter auxiliary terminal 50B5 are arranged.
- the P-side main terminal 50P is arranged at the corner of the module housing 50S.
- the N-side main terminal 50N is arranged at a corner on the opposite side of the direction orthogonal to the longitudinal direction of the module housing 50S with respect to the P-side main terminal 50P.
- the P-side collector auxiliary terminal 50A3, the P-side gate auxiliary terminal 50A4, and the P-side emitter auxiliary terminal 50A5 are in the center of the module housing 50S and extend in the longitudinal direction of the module housing 50S with reference to the P-side main terminal 50P.
- the P-side collector auxiliary terminal 50A3, the P-side emitter auxiliary terminal 50A5, and the P-side gate auxiliary terminal 50A4 are arranged in this order.
- the interval between the P-side gate auxiliary terminal 50A4 and the P-side emitter auxiliary terminal 50A5 is narrower than the interval between the P-side collector auxiliary terminal 50A3 and the P-side emitter auxiliary terminal 50A5.
- the N-side collector auxiliary terminal 50B3, the N-side gate auxiliary terminal 50B4, and the N-side emitter auxiliary terminal 50B5 are in the center of the module housing 50S and along the longitudinal direction of the module housing 50S with reference to the N-side main terminal 50N.
- the N-side gate auxiliary terminal 50B4, the N-side emitter auxiliary terminal 50B5, and the N-side collector auxiliary terminal 50B3 are arranged in this order.
- the distance between the N-side gate auxiliary terminal 50B4 and the N-side emitter auxiliary terminal 50B5 is narrower than the distance between the N-side collector auxiliary terminal 50B3 and the N-side emitter auxiliary terminal 50B5.
- the AC main terminal 50AC has a horizontally long shape in a direction orthogonal to the longitudinal direction of the module housing 50S, and the AC main terminal is on the side opposite to the side where the P-side main terminal 50P and the N-side main terminal 50N are arranged.
- the 50AC is arranged so that the longitudinal direction thereof is perpendicular to the longitudinal direction of the module housing 50S.
- the gate drive circuit 12 ⁇ / b> A drives the first semiconductor switching element (transistor element 50 ⁇ / b> Aa) constituting the P-side arm among the power semiconductor switching elements constituting the power semiconductor module 50.
- the gate drive circuit 12B is a gate drive circuit, and the gate drive circuit 12B drives the second semiconductor switching element (transistor element 50Ba) constituting the N-side arm among the power semiconductor switching elements constituting the power semiconductor module 50. This is a gate drive circuit.
- the configuration of the gate drive circuit 12A is the same as or equivalent to the configuration of the second embodiment shown in FIG. 6, and the same or equivalent components are denoted by the same reference numerals and redundant description is omitted.
- the configuration of the gate drive circuit 12B is the same as that of the gate drive circuit 12A.
- the gate drive circuit 12B has the same configuration as the gate drive circuit 12A, and includes a divided voltage input terminal 12B6a, a gate output terminal 12B6b, and an emitter output terminal 12B6c. Is provided.
- FIG. 16 shows an example of arrangement of terminal portions in the gate drive circuits 12A and 12B.
- a divided voltage input terminal 12A6a, a gate output terminal 12A6b, and an emitter output terminal 12A6c are provided on the circuit board 12AK.
- a divided voltage input terminal is provided on the circuit board 12BK.
- the circuit configuration of FIG. 13 is implemented by providing 12B6a, gate output terminal 12B6b, and emitter output terminal 12B6c.
- the circuit board 12AK may be the same board as the circuit board on which the gate driving circuit 12A is mounted, or may be a different board.
- the circuit board is also referred to as a “gate drive circuit board”.
- the insulating circuit 14A is a circuit that electrically insulates the switching signal generation unit 20 and the gate drive circuit 12A, and the insulation circuit 14B electrically connects the switching signal generation unit 20 and the gate drive circuit 12B. It is a circuit that insulates.
- the configuration of the insulating circuits 14A and 14B is the same as or equivalent to the configuration of the insulating circuit 14A shown in FIG. 6, and further description thereof is omitted here.
- the voltage dividing circuit 16 is provided with an impedance element group 16eA for detecting the voltage between the main terminals in the P side arm and an impedance element group 16eB for detecting the voltage between the main terminals in the N side arm.
- the configuration and connection of the impedance element group 16eA are the same as or equivalent to those in FIG. 6, and the impedance element group 16eB will be described here.
- FIG. 13 illustrates four resistance elements 16e5, 16e6, 16e7, and 16e8 connected in series.
- the voltage dividing circuit 16 is provided with a collector connection terminal 16A1, an emitter connection terminal 16A2, a divided voltage output terminal 16A3, an emitter input terminal 16A4, a gate connection terminal 16A5 and a gate input terminal 16A6 shown in FIG.
- a collector connection terminal 16B1, an emitter connection terminal 16B2, a divided voltage output terminal 16B3, an emitter input terminal 16B4, a gate connection terminal 16B5, and a gate input terminal 16B6 are provided for connection to the circuit 12B or the transistor element 50Ba constituting the N-side arm. It has been.
- One end of the resistance element 16e5 is connected to the collector connection terminal 16B1, and one end of the resistance element 16e8 is connected to each of the emitter connection terminal 16B2 and the emitter input terminal 16B4, and the connection point between the resistance element 16e7 and the resistance element 16e8 is divided. Wired to the voltage output terminal 16B3. That is, in the configuration of FIG. 13, the divided voltage generated in the resistance element 16e8 is applied to the gate drive circuit 12B.
- FIG. 15 shows an example of the configuration of the voltage dividing circuit 16, but the U-shaped electric wiring is provided so that the terminals can be easily provided after the impedance element groups 16eA and 16eB are arranged on the voltage dividing circuit board 16K.
- the resistance elements are connected with each other. More specifically, the collector connection terminal 16A1, the emitter connection terminal 16A2, the divided voltage output terminal 16A3, the emitter input terminal 16A4, the gate connection terminal 16A5, and the like on the electric wiring connecting the resistance elements of the impedance element group 16eA.
- the gate input terminal 16A6 is provided, and the collector connection terminal 16B1, the emitter connection terminal 16B2, the divided voltage output terminal 16B3, the emitter input terminal 16B4, and the gate connection terminal are arranged on the electric wiring connecting the resistance elements of the impedance element group 16eB.
- the circuit configuration of FIG. 13 is implemented by providing 16B5 and the gate input terminal 16B6.
- the voltage dividing circuit 16 is mounted on the power semiconductor module 50 as shown in FIG. At this time, the collector connection terminal 16A1 and the P side collector auxiliary terminal 50A3 of the power semiconductor module 50 are electrically connected, and the emitter connection terminal 16A2 and the P side emitter auxiliary terminal 50A5 of the power semiconductor module 50 are electrically connected. The gate connection terminal 16A5 and the P-side gate auxiliary terminal 50A4 of the power semiconductor module 50 are electrically connected, and the collector connection terminal 16B1 and the N-side collector auxiliary terminal 50B3 of the power semiconductor module 50 are electrically connected.
- the emitter connection terminal 16B2 and the N-side emitter auxiliary terminal 50B5 of the power semiconductor module 50 are electrically connected, and the gate connection terminal 16B5 and the N-side gate auxiliary terminal 50B4 of the power semiconductor module 50 are electrically connected. Configured to be connected to each other.
- the divided voltage output terminal 16A3 of the voltage dividing circuit 16 and the divided voltage input terminal 12A6a of the gate drive circuit board 12AK are connected by a signal wiring 18A1, and the gate input terminal 16A6 of the voltage divider circuit 16 and the gate drive circuit board are connected.
- the gate output terminal 12A6b of 12AK is connected by a signal wiring 18A2, and the emitter input terminal 16A4 of the voltage dividing circuit 16 and the emitter output terminal 12A6c of the gate drive circuit board 12AK are connected by a signal wiring 18A3.
- the divided voltage output terminal 16B3 and the divided voltage input terminal 12B6a of the gate drive circuit board 12BK are connected by a signal wiring 18B1, and the gate input terminal 16B6 of the voltage divider circuit 16 and the gate output terminal 12B6b of the gate drive circuit board 12BK are connected.
- a signal wiring 18B2 is connected by a signal wiring 18B2
- the emitter input of the voltage dividing circuit 16 is connected.
- the emitter output terminal 12B6c terminal 16B4 and the gate drive circuit board 12BK are connected by the signal line 18 b 3.
- the impedance element group 16e may be configured by connecting capacitors or diodes in series instead of the resistance elements. Moreover, it is not limited to the serial connection of a resistance element, a capacitor
- FIG. 13 shows an example in which the divided voltage generated in the resistance elements 16e4 and 16e8 is detected.
- the divided voltage may be increased according to the input withstand voltage of the divided voltage determination units 12A4 and 12B4.
- the both-end voltages of the resistance elements 16e3 and 16e4 and the both-end voltages of the resistance elements 16e7 and 16e8 may be taken out as the divided voltages.
- the present invention can be applied.
- the configuration in which the gate connection terminals 16A5 and 16B5 and the gate input terminals 16A6 and 16B6 are provided on the voltage dividing circuit board 16K is disclosed.
- a configuration in which 16A5 and 16B5 and gate input terminals 16A6 and 16B6 are not provided is also possible.
- the gate output terminal 12A6b of the gate drive circuit 12A and the P-side gate auxiliary terminal 50A4 of the power semiconductor module 50 are connected by the signal wiring 18A2, and the gate output terminal 12B6b of the gate drive circuit 12B and the power semiconductor module 50 are connected.
- the N-side gate auxiliary terminal 50B4 may be connected by the signal wiring 18B2.
- the voltage dividing circuit board 16K and the gate drive circuits 12A and 12B are connected at four places, and the gate drive circuits 12A and 12B are connected at six places, as shown in FIGS. The mechanical strength is higher in the configuration.
- the present invention is not limited to these embodiments.
- the present invention can be applied even if the power semiconductor module is a 4 in 1 module, a 6 in 1 module, or the like.
- FIG. 18 is a circuit diagram showing a main configuration of the power conversion device according to the fifth embodiment.
- FIG. 19 shows a voltage divider circuit board 16K and gate drive circuit boards 12AK and 12BK in the power conversion device of the fifth embodiment. It is a perspective view which shows the example of a connection between these.
- the number of impedance elements mounted on the voltage divider circuit board 16K is set. It is configured to increase the information of the divided voltage transmitted to the gate drive circuits 12A and 12B. Since the divided voltage information is increased, as shown in FIG.
- the gate drive circuit 12A is provided with divided voltage determination units 12A4a and 12A4b, and the gate drive circuit 12B is divided into voltage division determination units. 12B4a and 12B4b are provided.
- the gate drive circuit board 12AK is further provided with a divided voltage input terminal 12A6d, and the gate drive circuit board 12BK is further provided with a divided voltage input terminal 12B6d.
- the divided voltage output terminal 16A7 and the divided voltage input terminal 12A6d are connected by a signal wiring 18A4 which is a divided voltage signal wiring, and the divided voltage output terminal 16B7 and the divided voltage input terminal 12B6d are divided.
- the signal lines 18B4 that are voltage signal lines are connected.
- an impedance further including four resistance elements 17e1, 17e2, 17e3, and 17e4 connected in series.
- An element group 17e and an impedance element group 18e including eight resistor elements 18e1, 18e2, 18e3, 18e4, 18e5, 18e6, 18e7, and 18e8 connected in series are provided.
- the voltage dividing circuit 16 is further provided with divided voltage output terminals 16A7 and 16B7 in addition to the divided voltage output terminals 16A3 and 16B3.
- one end of the resistance element 17e1 is connected to each of the emitter connection terminal 16A2 and the emitter input terminal 16A4, and one end of the resistance element 17e4 is connected to each of the emitter connection terminal 16B2 and the emitter input terminal 16B4.
- a connection point between the resistance element 17e1 and the resistance element 17e2 is connected to the divided voltage output terminal 16A3. That is, in the configuration of FIG. 18, the divided voltage generated in the resistance element 17e1 is applied to the divided voltage determination unit 12A4a.
- one end of the resistance element 18e1 is connected to the collector connection terminal 16A1
- one end of the resistance element 18e8 is connected to each of the emitter connection terminal 16B2 and the emitter input terminal 16B4, and the resistance element 18e7 and the resistance A connection point with the element 18e8 is connected to the divided voltage output terminal 16B7. That is, in the configuration of FIG. 18, the divided voltage generated in the resistance element 17e8 is applied to the divided voltage determination unit 12B4b.
- the divided voltage generated in the resistance element 16e4 of the impedance element group 16eA is applied to the divided voltage determination unit 12A4b, and the divided voltage generated in the resistance element 16e8 of the impedance element group 16eB is determined as the divided voltage. It is applied to the part 12B4a.
- the power conversion device is configured to increase the information on the divided voltage transmitted to the gate drive circuit. For example, when the load is operating as a source or when the load is operating as a sink. In this case, the voltage between the main terminals can be detected when the semiconductor switching element is in various operating states in which the semiconductor switching element is switched from on to off or from off to on, so that the range for performing the control for switching the switching speed can be expanded. Is obtained.
- the connection points with the gate driving circuit which are six in the fourth embodiment are the same as those in the embodiment. Since the number is increased to 8 in 5, the effect that the mechanical strength can be increased as compared with the fourth embodiment is obtained.
- the signal wirings 18A1 to 18A4 and the signal wirings 18B1 to 18B4 connecting the gate driving circuit boards 12AK and 12BK and the voltage dividing circuit board 16K are provided in the same manner as in the third embodiment. You may comprise and comprise in the inside of an insulation tube. With this configuration, since the signal wirings 18A1 to 18A4 and the signal wirings 18B1 to 18B4 are rigidly held inside the insulating tube, it is possible to further enhance the mechanical strength that can withstand vibration.
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Abstract
Description
まず、実施の形態1に係る電力変換装置の構成について、図1から図5の図面を参照して説明する。図1は、実施の形態1に係る電力変換装置の要部構成を示す回路図である。また、図2から図5の各図面は、実施の形態1の電力変換装置における要部の構成を示す斜視図であり、図2は電力用半導体モジュール10Aの端子部の配置例、図3は分圧回路16Aの構成例、図4はゲート駆動回路12Aの端子部の配置例、図5は図2から図4のように構成した回路基板12K、分圧回路基板16Kおよび電力用半導体モジュール10A間の結線例を示している。なお、図2から図5の構成は一例であり、当該各図の構成例に限定されるものではない。
図6は、実施の形態2に係る電力変換装置の要部構成を示す回路図であり、図7は、実施の形態2の電力変換装置における分圧回路基板16Kとゲート駆動回路基板12Kとの間の結線例を示す斜視図である。図6および図7に示す実施の形態2に係る電力変換装置では、図1に示す実施の形態1に係る電力変換装置において、ゲート駆動回路12Aのゲート出力端子12A6bと、電力用半導体モジュール10Aのゲート補助端子10A4との間を信号配線18A2で結線する構成を、分圧回路16Aを介して結線する構成に変更したものである。
図8は、実施の形態3の電力変換装置における分圧回路基板16Kとゲート駆動回路基板12Kとの間の結線例を示す斜視図である。係る電力変換装置の要部構成を示す回路図である。図8に示す実施の形態3に係る電力変換装置では、図7に示す実施の形態2に係る電力変換装置において、ゲート駆動回路基板12Kと、分圧回路基板16Kとの間を結ぶ信号配線18A1,18A2,18A3を絶縁チューブ22の内部に収容して構成したものである。なお、他の構成については、図7と同一または同等であり、同一または同等の構成部には同一の符号を付して示し、重複する説明は省略する。
実施の形態4では、電力変換回路を構成する電力用半導体モジュールとして2in1モジュールを用いた場合について説明する。
図18は、実施の形態5に係る電力変換装置の要部構成を示す回路図であり、図19は、実施の形態5の電力変換装置における分圧回路基板16Kとゲート駆動回路基板12AK、12BKとの間の結線例を示す斜視図である。図18および図19に示す実施の形態5に係る電力変換装置では、図13および図17に示す実施の形態4に係る電力変換装置において、分圧回路基板16K上に搭載するインピーダンス素子の数を増やして、ゲート駆動回路12A,12Bに伝達する分圧電圧の情報を増やすように構成したものである。なお、分圧電圧の情報を増やすように構成したため、図17に示すように、ゲート駆動回路12Aには分圧電圧判定部12A4a,12A4bが設けられ、ゲート駆動回路12Bには分圧電圧判定部12B4a,12B4bが設けられている。また、ゲート駆動回路基板12AKには、分圧電圧入力端子12A6dがさらに設けられ、ゲート駆動回路基板12BKには、分圧電圧入力端子12B6dがさらに設けられている。また、分圧電圧出力端子16A7と分圧電圧入力端子12A6dとは分圧電圧信号配線である信号配線18A4にて接続され、分圧電圧出力端子16B7と分圧電圧入力端子12B6dとは、分圧電圧信号配線である信号配線18B4にて接続されている。
Claims (7)
- 1または複数の電力用半導体スイッチング素子を収容した電力用半導体モジュールと、前記電力用半導体スイッチング素子を駆動するゲート駆動回路と、を備えて構成される電力変換装置であって、
前記電力用半導体モジュールは、
前記電力用半導体スイッチング素子のコレクタ電位またはドレイン電位に接続される第1の主端子および第1の信号入力端子と、
前記電力用半導体スイッチング素子のゲート電位に接続される第2の信号入力端子と、
前記電力用半導体スイッチング素子のエミッタ電位またはソース電位に接続される第2の主端子および第3の信号入力端子と、
を有し、
前記電力変換装置は、前記第1の信号入力端子と前記第3の信号入力端子の間の電圧を検知した分圧電圧を生成して前記ゲート駆動回路に伝達する分圧回路基板を有し、
前記分圧回路基板は、前記第1の信号入力端子および前記第3の信号入力端子に電気的に接続されるようにして前記電力用半導体モジュールに搭載され、
前記ゲート駆動回路は、前記分圧回路基板が出力する分圧電圧に応じて前記電力用半導体スイッチング素子の駆動速度を変更することを特徴とする電力変換装置。 - 前記分圧回路基板は、前記第1の信号入力端子および前記第3の信号入力端子に加えて、前記第2の信号入力端子にも電気的に接続されて搭載されていることを特徴とする請求項1に記載の電力変換装置。
- 前記第1の信号入力端子と前記第3の信号入力端子との間の分圧電圧を前記分圧回路基板から前記ゲート駆動回路へ伝達する配線と、前記ゲート駆動回路が前記電力用半導体スイッチング素子を駆動する配線とが同一の絶縁チューブに収容されていることを特徴とする請求項1または2に記載の電力変換装置。
- 複数の電力用半導体スイッチング素子を収容した電力用半導体モジュールと、前記電力用半導体スイッチング素子を駆動するゲート駆動回路と、を備えて構成される電力変換装置であって、
前記電力用半導体モジュールは、
高電位側の電圧が印加される上側電力用半導体スイッチング素子と低電位側の電圧が印加される下側電力用半導体スイッチング素子とを有すると共に、
前記上側電力用半導体スイッチング素子のコレクタ電位またはドレイン電位に接続される第1の主端子および第1の信号入力端子と、
前記上側電力用半導体スイッチング素子のゲート電位に接続される第2の信号入力端子と、
前記上側電力用半導体スイッチング素子のエミッタ電位またはソース電位、および、前記下側電力用半導体スイッチング素子のコレクタ電位またはドレイン電位の双方に接続される交流主端子、第3の信号入力端子および第4の信号入力端子と、
前記下側電力用半導体スイッチング素子のゲート電位に接続される第5の信号入力端子と、
前記下側電力用半導体スイッチング素子のエミッタ電位またはソース電位に接続される第2の主端子および第6の信号入力端子と、
を有し、
前記ゲート駆動回路は、前記上側電力用半導体スイッチング素子を駆動する第1のゲート駆動回路と、前記下側電力用半導体スイッチング素子を駆動する第2のゲート駆動回路とを有して構成され、
前記電力変換装置は、前記第1の信号入力端子と前記第3の信号入力端子の間の電圧を検知した分圧電圧を生成して前記第1のゲート駆動回路に伝達すると共に、前記第4の信号入力端子と前記第6の信号入力端子の間の電圧を検知した分圧電圧を生成して前記第2のゲート駆動回路に伝達する分圧回路基板を有し、
前記分圧回路基板は、前記第1の信号入力端子、前記第3の信号入力端子、前記第4の信号入力端子および前記第6の信号入力端子に電気的に接続されるようにして前記電力用半導体モジュールに搭載され、
前記第1のゲート駆動回路は、前記分圧回路基板が出力する分圧電圧に応じて前記上側電力用半導体スイッチング素子の駆動速度を変更し、
前記第2のゲート駆動回路は、前記分圧回路基板が出力する分圧電圧に応じて前記下側電力用半導体スイッチング素子の駆動速度を変更する
ことを特徴とする電力変換装置。 - 前記分圧回路基板は、前記第1の信号入力端子、前記第3の信号入力端子、前記第4の信号入力端子および前記第6の信号入力端子に加えて、前記第2の信号入力端子および前記第5の信号入力端子にも電気的に接続されて搭載されていることを特徴とする請求項4に記載の電力変換装置。
- 前記第1の信号入力端子と前記第3の信号入力端子との間の分圧電圧を前記分圧回路基板から前記第1のゲート駆動回路へ伝達する配線と、前記第1のゲート駆動回路が前記上側電力用半導体スイッチング素子を駆動する配線とが同一の絶縁チューブに収容されると共に、
前記第4の信号入力端子と前記第6の信号入力端子との間の分圧電圧を前記分圧回路基板から前記第2のゲート駆動回路へ伝達する配線と、前記第2のゲート駆動回路が前記下側電力用半導体スイッチング素子を駆動する配線とが同一の絶縁チューブに収容されている
ことを特徴とする請求項4または5に記載の電力変換装置。 - 前記分圧回路基板は、前記第3の信号入力端子と前記第6の信号入力端子の間の電圧を分圧した分圧電圧を前記第1のゲート駆動回路に伝達し、前記第1の信号入力端子と前記第6の信号入力端子の間の電圧を分圧した分圧電圧を前記第2のゲート駆動回路に伝達することを特徴とする請求項5または6に記載の電力変換装置。
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JP2017501417A JP6246415B2 (ja) | 2015-09-03 | 2015-09-03 | 電力変換装置 |
CN201580082638.7A CN107996017B (zh) | 2015-09-03 | 2015-09-03 | 功率转换装置 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021005984A (ja) * | 2019-06-27 | 2021-01-14 | 富士電機株式会社 | 電力変換装置 |
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CN113841326B (zh) * | 2019-06-24 | 2024-02-13 | 德州仪器公司 | 具有多个驱动级的开关转换器及相关模式 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002158320A (ja) * | 2000-11-17 | 2002-05-31 | Cosel Co Ltd | 電源装置のヒートシンク構造及びヒートシンク |
JP2003070234A (ja) * | 2001-08-28 | 2003-03-07 | Toshiba Corp | 自己消弧型素子のゲート電源装置 |
JP2003284319A (ja) * | 2002-03-20 | 2003-10-03 | Mitsubishi Electric Corp | 駆動回路 |
JP2006042564A (ja) * | 2004-07-30 | 2006-02-09 | Tokyo Electric Power Co Inc:The | 電力スイッチング回路、電力変換装置及び電力用半導体スイッチング素子の駆動方法 |
JP2008271752A (ja) * | 2007-04-24 | 2008-11-06 | Kawamura Electric Inc | フルブリッジ回路の配線構造 |
JP2012039683A (ja) * | 2010-08-03 | 2012-02-23 | Fuji Electric Co Ltd | パワー半導体モジュールおよびその試験方法 |
JP2014216932A (ja) * | 2013-04-26 | 2014-11-17 | トヨタ自動車株式会社 | 駆動装置及びスイッチング回路の制御方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3132648B2 (ja) * | 1996-09-20 | 2001-02-05 | 富士電機株式会社 | 電力変換器におけるゲート駆動回路 |
JP3932841B2 (ja) * | 2001-08-29 | 2007-06-20 | 株式会社日立製作所 | 半導体電力変換装置 |
DE10236532C1 (de) * | 2002-08-09 | 2003-08-14 | Semikron Elektronik Gmbh | Schaltungsanordnung zur Ansteuerung von Leistungstransistoren |
JP4342251B2 (ja) | 2003-09-10 | 2009-10-14 | 株式会社東芝 | ゲート駆動回路 |
JPWO2009054143A1 (ja) * | 2007-10-24 | 2011-03-03 | 株式会社東芝 | 電力変換装置 |
JP5630484B2 (ja) | 2012-08-30 | 2014-11-26 | 株式会社デンソー | 半導体装置 |
US9203393B2 (en) | 2012-08-30 | 2015-12-01 | Denso Corporation | Semiconductor apparatus |
CN106104993B (zh) * | 2014-05-30 | 2019-05-10 | 三菱电机株式会社 | 电力用半导体元件的驱动电路 |
JP6597508B2 (ja) * | 2016-07-28 | 2019-10-30 | 株式会社デンソー | 電力変換装置 |
-
2015
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- 2015-09-03 WO PCT/JP2015/075071 patent/WO2017037917A1/ja active Application Filing
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- 2015-09-03 DE DE112015006874.0T patent/DE112015006874T5/de active Pending
- 2015-09-03 JP JP2017501417A patent/JP6246415B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002158320A (ja) * | 2000-11-17 | 2002-05-31 | Cosel Co Ltd | 電源装置のヒートシンク構造及びヒートシンク |
JP2003070234A (ja) * | 2001-08-28 | 2003-03-07 | Toshiba Corp | 自己消弧型素子のゲート電源装置 |
JP2003284319A (ja) * | 2002-03-20 | 2003-10-03 | Mitsubishi Electric Corp | 駆動回路 |
JP2006042564A (ja) * | 2004-07-30 | 2006-02-09 | Tokyo Electric Power Co Inc:The | 電力スイッチング回路、電力変換装置及び電力用半導体スイッチング素子の駆動方法 |
JP2008271752A (ja) * | 2007-04-24 | 2008-11-06 | Kawamura Electric Inc | フルブリッジ回路の配線構造 |
JP2012039683A (ja) * | 2010-08-03 | 2012-02-23 | Fuji Electric Co Ltd | パワー半導体モジュールおよびその試験方法 |
JP2014216932A (ja) * | 2013-04-26 | 2014-11-17 | トヨタ自動車株式会社 | 駆動装置及びスイッチング回路の制御方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021005984A (ja) * | 2019-06-27 | 2021-01-14 | 富士電機株式会社 | 電力変換装置 |
JP7259594B2 (ja) | 2019-06-27 | 2023-04-18 | 富士電機株式会社 | 電力変換装置 |
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