WO2006075388A1 - インバータ装置 - Google Patents
インバータ装置 Download PDFInfo
- Publication number
- WO2006075388A1 WO2006075388A1 PCT/JP2005/000403 JP2005000403W WO2006075388A1 WO 2006075388 A1 WO2006075388 A1 WO 2006075388A1 JP 2005000403 W JP2005000403 W JP 2005000403W WO 2006075388 A1 WO2006075388 A1 WO 2006075388A1
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- WIPO (PCT)
- Prior art keywords
- power supply
- lower arm
- high voltage
- voltage
- supply terminal
- Prior art date
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- 230000015556 catabolic process Effects 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000007257 malfunction Effects 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 11
- 230000003071 parasitic effect Effects 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
Classifications
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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
- H02M7/53—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
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- H02M7/5387—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 bridge configuration
- H02M7/53871—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 bridge configuration with automatic control of output voltage or current
- H02M7/53873—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 bridge configuration with automatic control of output voltage or current with digital control
Definitions
- the present invention relates to an inverter device, and in particular, includes a circuit that prevents breakdown and malfunction of a high voltage IC that performs drive control of an inverter circuit including a switching element for driving a load.
- the present invention relates to an inverter device.
- Patent Document 1 a high-voltage IC is prevented from being destroyed by clamping a negative voltage generated by a slight inductance such as a chip pattern or wiring that causes destruction of the high-voltage IC with a clamp diode.
- Patent Document 2 a negative voltage that cannot be suppressed only by a clamp diode is divided by a clamp diode and a resistance element of a voltage dividing circuit, so that the negative voltage applied to a high voltage IC is reduced. .
- Patent Document 1 Japanese Patent Laid-Open No. 10-42575
- Patent Document 2 Patent No. 3577478
- a general high voltage IC is configured to include, for example, an input buffer, a MOS transistor, a resistor, a driver circuit, etc., so that when a negative voltage as described above is generated, the MOS transistor Through-current through the parasitic capacitance of the high-voltage IC flows into the high-breakdown voltage IC, and this through-current may cause a phenomenon called latch-up in which the driver circuit of the high-voltage IC outputs an incorrect signal.
- latch-up the driver circuit of the high-voltage IC outputs an incorrect signal.
- the present invention has been made in view of the above, and provides an inverter device capable of preventing breakdown and malfunction (latch-up) of a high voltage IC for controlling an inverter circuit, and a circuit.
- the purpose is to provide circuit technology that can control the increase in scale and cost.
- an inverter device includes an upper arm unit composed of a switching element and a diode of an upper arm connected in reverse parallel to each other and reverse parallel to each other.
- An inverter circuit having a bridge circuit formed by connecting a switching element of a lower arm and a lower arm portion made of a diode connected in series and connected between the positive and negative electrodes of a DC power supply, and the switching element of the upper arm
- an inverter drive unit having a high voltage IC for driving the switching elements of the lower arm, a reference power supply terminal for driving the lower arm of the high voltage IC, and a high voltage side power supply terminal for driving the upper arm of the high voltage IC, Clamping means for clamping the potential difference between It is a sign.
- the wiring inductance is controlled by the clamping means for clamping the potential difference between the reference power supply terminal for driving the lower arm of the high breakdown voltage IC and the high voltage power supply terminal for driving the upper arm of the high breakdown voltage IC.
- the negative voltage that causes breakdown of the high voltage IC due to the circulating current is clamped and the through current that flows into the high voltage IC is reduced.
- the clamping means for clamping the potential difference between the lower arm driving reference power supply terminal of the high breakdown voltage IC and the upper arm driving high voltage side power supply terminal of the high breakdown voltage IC includes the high voltage IC. It can clamp the negative voltage that causes the breakdown voltage of the high voltage IC and block most of the through current that flows into the high voltage IC, thus preventing the breakdown and malfunction (latch-up) of the high voltage IC, If the increase in circuit scale and cost can be suppressed, there will be an effect!
- FIG. 1 is a diagram showing a schematic configuration for explaining an inverter device (single-phase inverter configuration) according to a first embodiment of the present invention.
- FIG. 2 is a diagram for explaining a malfunction of a high voltage IC in an inverter device to which a clamp diode is not connected.
- FIG. 3 is a diagram showing a state in which, in the inverter device according to the first embodiment, a through-current that is about to flow into the high voltage IC is drawn to the clamp diode side.
- FIG. 4 is a diagram showing a schematic configuration for explaining an inverter device (three-phase inverter configuration: independent power supply) according to the second embodiment of the present invention.
- FIG. 5 is a diagram showing a schematic configuration for explaining an inverter device (three-phase inverter configuration: common power supply) according to the third embodiment of the present invention.
- FIG. 1 is a diagram showing a schematic configuration for explaining the inverter device according to the first embodiment of the present invention.
- the configuration of a general single-phase inverter device configured to drive the switching elements Tl and ⁇ 2 of the upper and lower arms of the inverter circuit 3 by the inverter drive unit 2 having the high voltage IC 10. It is shown.
- the configuration of the inverter device according to this embodiment will be described with reference to FIG.
- the inverter circuit 3 shown in FIG. 1 the upper arm switching element (upper arm switching element) T1 and the diode (upper arm diode) D connected in reverse parallel to each other
- a bridge in which the upper arm 4 consisting of 1 force and the lower arm 5 consisting of the lower arm switching element (lower arm switching element) T2 and the diode (lower arm diode) D2 connected in reverse parallel to each other are connected in series.
- Circuit 6 is configured.
- the positive electrode of the DC power supply 7 is connected to the collector of the upper arm switching element T1 of the bridge circuit 6, and the negative electrode of the DC power supply 7 is connected to the emitter of the lower arm switching element T2.
- the inverter circuit 3 shown in FIG. 1 constitutes a single-phase inverter circuit.
- the high withstand voltage IC 10 of the inverter drive unit 2 shown in FIG. 1 is an IC that drives the upper arm switching element T1 and the lower arm switching element T2 of the inverter circuit 3, respectively.
- the high voltage IC 10 has the following input / output terminals.
- VDD which is its own high-voltage power supply terminal for control
- COM which is its own reference power supply terminal for control
- upper arm control signal input terminal HIN to which a control signal for controlling the upper arm unit 4 is input
- Lower arm control signal input terminal LIN to which a control signal for controlling the arm unit 5 is input
- upper arm driving high voltage side power source terminal VB connected to the high voltage side of the driving power source that drives the upper arm unit 4
- upper arm driving reference power supply terminal VS which is the reference terminal of the driving power source for driving the arm unit 4
- Lower arm drive high-voltage side power supply terminal VCC connected to the high-voltage side of the drive power supply that drives the lower arm unit 5
- lower arm drive reference power supply terminal COM that is the reference terminal of the drive power source that drives the lower arm unit 5
- lower Drive signal for driving arm 5 And a respective terminal of the lower arm switching element drive signal output terminal LO output.
- a decoupling capacitor C1 is connected between the upper arm driving high voltage side power supply terminal VB and the upper arm driving reference power supply terminal VS, and the lower arm driving high voltage side power supply terminal VCC and the lower arm driving circuit.
- a decoupling capacitor C2 is connected to the reference power supply terminal COM.
- a gate resistance R1 for controlling the gate current between the upper arm switching element drive signal output terminal HO and the gate of the upper arm switching element T1.
- the upper arm drive reference power supply terminal VS and the upper arm switching element T1 emitter are directly connected.
- the lower arm switching element drive signal output terminal LO and the gate of the lower arm switching element T2. Are connected via a gate resistor R2, and the lower arm driving reference power supply COM and the emitter of the lower arm switching element T2 are directly connected.
- the upper arm switching element T1 and the lower arm switching element T2 are connected by a plurality of wires (wire bundles), or each of these switching elements and the output terminal are connected.
- Wiring inductance is possible by taking measures such as connecting directly to a bonding pad without using a wire or connecting the collector and emitter of each switching element separately on the front and back surfaces of the board. He tries to make it as small as possible.
- the combined inductance L11 shown between the lower arm switching element T2 emitter of the inverter circuit 3 and the lower arm drive reference power supply terminal COM of the high voltage IC 10 includes the lower arm diode D2 through which the circulating current flows.
- the combined inductance of the circuit is shown, and by these measures, it can be suppressed to a value of several nH-several tens of nH.
- the period in which the circulating current flows is a short period, and the amount of current change per unit time (di Zdt) is large. Therefore, even if the combined inductance of the circuit section through which the circulating current flows is reduced as described above, An induced voltage of several volts is generated.
- the polarity of this induced voltage is a negative voltage that makes the potential of the reference power supply terminal VS for the upper arm drive negative with respect to the potential of the reference power supply terminal COM for driving the lower arm. It will cause destruction.
- This negative voltage also causes a latch-up in which the driver circuit of the high voltage IC 10 outputs an incorrect signal.
- the potential difference between the lower arm driving reference power supply terminal COM and the upper arm driving high voltage power supply terminal VB is clamped to a predetermined voltage.
- a clamp diode D10 having its own anode connected to the lower arm drive reference power supply terminal COM and its own power sword connected to the upper arm drive high voltage power supply terminal VB is provided. Yes.
- the connection site of the clamp diode D10 in the present invention is different from the connection sites of the clamp diodes disclosed in Patent Documents 1 and 2 described above, and the reason will be described later.
- FIG. 2 is a diagram for explaining the malfunction of the high voltage IC in the inverter device to which the clamp diode is not connected.
- FIG. 3 is a diagram of the high voltage IC in the inverter device according to the first embodiment.
- FIG. 5 is a diagram showing a state in which a through-current that is about to flow into is drawn to the clamp diode side.
- FIG. 2 shows the inside of the high voltage IC 10 shown in FIG. 1 in more detail.
- the high voltage IC 10 includes an input buffer 14, an NMOS transistor 16, a parasitic diode 17, a resistor 20, and a driver circuit 12.
- the input end of the input can 14 is connected to the upper arm control signal input end HIN, and the output end is connected to the gate of the NMOS transistor 16.
- a parasitic diode 17 is connected to the NMOS transistor 16 in parallel.
- the collector of the NMOS transistor 16 is connected to the input terminal of the driver circuit 12, and is connected to the upper arm drive high-voltage power supply terminal VB via a resistor 20 having one end connected to the input terminal of the driver circuit 12. Has been.
- FIG. 2 first, when the upper arm switching element T1 is turned on, the main circuit current II as shown by the broken line in the figure flows into the load 8 shown as having an inductance component. After that, when the upper arm switching element T1 is turned off, the current flowing in the load 8 flows to the load 8 through the lower arm diode D2 as the recirculating current 12 having a steep slope.
- each part of the inverter circuit 3 is connected by a pattern, a wire, or the like, and an inductor component exists between these parts.
- the inductance component of the part where the circulating current 12 flows is represented by LI 1 as shown in the figure. If the induced voltage generated in the inductance component L11 when the circulating current 12 flows is VL, this induced voltage VL can be expressed by the following equation.
- VL L11 X (di / dt) ⁇ ⁇ ⁇ ⁇ (1)
- the high voltage IC 10 includes the input buffer 14, the NMOS transistor 16, the parasitic diode 17, the resistor 20, and the driver circuit 12 as described above, when this ⁇ VI is applied, the parasitic diode 17 A through current 13 flows through the resistor 20.
- the through current 13 is a main cause of a phenomenon called latch-up in which the driver circuit 12 outputs an erroneous signal.
- a clamp diode D10 is provided between the lower arm driving reference power supply terminal COM and the upper arm driving high voltage power supply terminal VB! /, Therefore, in the circuit configuration shown in FIG. 2, the through current 13 that flows inside the high voltage IC 10 can be drawn to the clamp diode D10 side as shown in FIG. Note that a part of the through current is likely to flow inside the high voltage IC 10. Compared to the impedance of the series circuit of the parasitic diode D17 and the resistor 20 through which the through current 13 flows, it is connected between the same terminals.
- the impedance of the clamp diode D10 is smaller, most of the through current 13 can be drawn to the clamp diode D10 side. Therefore, the through current 13 flowing inside the high voltage IC 10 can be reduced, and the malfunction due to the latch-up described above can be prevented.
- the cathode of the clamp diode D10 is connected to the high-voltage power supply terminal VB for driving the upper arm of the high voltage IC 10 (for example, + 15V terminal).
- the current flowing through the clamp diode D10 can be made smaller than the current flowing through the clamp diode disclosed in Patent Documents 1 and 2, for example. Therefore, select a diode with a smaller rated current than the clamp diodes shown in Patent Documents 1 and 2. Can be determined.
- the inverter device of this embodiment between the reference power supply terminal for driving the lower arm of the high voltage IC and the high voltage side power supply terminal for driving the upper arm of the high voltage IC. Since the connected clamp diode clamps the potential difference between the lower arm drive reference power supply end and the upper arm drive high-voltage power supply end, destruction of the high voltage IC and high voltage IC Can be prevented, and an increase in circuit scale and cost can be suppressed.
- the clamp diode is externally attached to the high voltage IC, but may be provided inside the high voltage IC. However, it is more effective to attach externally to the high voltage IC without the need to change the design of the high voltage IC or to apply the present invention to the inverter device using the existing high voltage IC. It can be used for
- a diode is used as a clamping means for clamping a potential difference between the lower arm driving reference power supply terminal and the upper arm driving high voltage power supply terminal.
- the present invention is limited to the diode. Is not to be done.
- any element that can turn on at a specific voltage or higher and output a substantially constant voltage such as a Zener diode or a PN junction of a bipolar transistor, may be used. .
- FIG. 4 is a diagram showing a schematic configuration for explaining the inverter device according to the second embodiment of the present invention.
- the inverter device of the first embodiment includes a single-phase inverter circuit
- the inverter device of this embodiment is configured to include a three-phase inverter circuit. That is, in the inverter device shown in the figure, the inverter driving unit 2a having a high withstand voltage IClOa drives the upper arm switching elements Tl, T3, T5 and the lower arm switching elements T2, T4, T6 of the inverter circuit 3a.
- the configuration of a three-phase inverter device configured as shown is shown.
- the configuration of the inverter device according to this embodiment will be described with reference to FIG. Note that portions that are the same as or equivalent to those in Embodiment 1 are denoted by the same reference numerals, and description thereof is omitted or simplified.
- the upper arm switches connected in reverse parallel to each other Upper arm 4a composed of switching element Tl and upper arm diode Dl, upper arm 4b composed of upper arm switching element T3 and upper arm diode D3, and upper arm 4c composed of upper arm switching element T5 and upper arm diode D5
- Upper arm switching element T2 and lower arm diode D2 connected in reverse parallel to each other Lower arm part 5a consisting of lower arm switching element T4 and lower arm diode D4
- the lower arm 5c consisting of D6 is configured, and each of the anti-parallel connection circuits of the upper arms 4a, 4b, 4c and the anti-parallel connection circuit of the lower arm 5a are connected in series.
- Circuit 6a is constructed.
- the positive pole of the DC power supply 7 is connected to each collector of the upper arm switching elements Tl, T3, T5 of the bridge circuit 6a, and the negative pole of the DC power supply 7 is connected to each emitter of the lower arm switching elements T2, T4, T6.
- the inverter circuit 3a shown in FIG. 4 constitutes a three-phase inverter circuit.
- the high pressure IClOa of the inverter drive unit 2a shown in FIG. 4 is an IC that drives the upper arm switching elements Tl, T3, T5 and the lower arm switching elements T2, T4, T6 of the inverter circuit 3a, respectively.
- This high voltage IClOa has the following input / output terminals.
- decoupling capacitors CI, C3, C5 are provided between the terminals of the upper arm drive high-voltage side power supply terminals VB1, VB3, VB5 and the upper arm drive reference power supply terminals VSl, VS3, VS5. Are connected, and a decoupling capacitor C2 is connected between the high-voltage power supply terminal VCC for driving the lower arm and the reference power supply terminal COM for driving the lower arm.
- the upper arm drive reference power supply terminals VS1, VS3, and VS5 are directly connected to the terminals of the upper arm switching element T1.
- the lower arm switching element drive signal output terminals LOl, H03, H05 and the lower arm switching elements T2, T4, T6 are connected to each gate via the gate resistances R2, R4, R6, respectively.
- the lower arm driving reference power supply terminal COM and each of the lower arm switching elements T2 are directly connected.
- each potential difference between the terminals of the lower arm driving reference power supply terminal COM and the upper arm driving high voltage side power supply terminals VB1, VB3, and VB5 is determined in advance.
- a clamping means for clamping to voltage its own anode is connected to the lower arm drive reference power supply terminal COM, and its own power sword is connected to the upper arm drive high voltage side power supply terminal VB1, VB3, VB5.
- the clamp diodes D11, D12, and D13 are provided.
- the force swords of the clamp diodes Dll, D12, and D13 are connected to the terminals of the upper arm driving high-voltage side power supply terminals VB1, VB3, and VB5. Therefore, the currents flowing through the clamp diodes Dll, D12, and D13 can be made smaller than the currents flowing through the clamp diodes disclosed in Patent Documents 1 and 2, for example. Therefore, it is possible to select a diode having a smaller rated current than the clamp diodes disclosed in Patent Documents 1 and 2.
- the reference power supply terminal for driving the lower arm of the high voltage IC and the terminals on the high voltage side power supply terminal for driving the upper arm of the high voltage IC Since each clamp diode connected between the terminals clamps each potential difference between the reference power supply terminal for driving the lower arm and the high-voltage power supply terminal for driving the upper arm, In addition to preventing destruction and malfunction of high voltage ICs, An increase in circuit scale and cost can be suppressed.
- each clamping diode may be provided inside the high withstand voltage IC so as to be externally attached to the outside of the high withstand voltage IC.
- it is more effective to attach externally to the high voltage IC, because it is not necessary to change the design of the high voltage IC and that the present invention can be applied to the inverter device using the existing high voltage IC. It can be used for
- a diode is used as a clamping means for clamping each potential difference between each terminal of the lower arm driving reference power supply terminal and the upper arm driving high voltage side power supply terminal.
- the force is not limited to diodes.
- any element that can turn on at a specific voltage or higher and output a substantially constant voltage such as a Zener diode or a PN junction of a bipolar transistor, may be used.
- FIG. 5 is a diagram showing a schematic configuration for explaining the inverter device according to the third embodiment of the present invention.
- the power source for driving each switching element of the upper arm unit is individually used as an independent power source
- the power source for driving each switching element of the lower arm unit is a common power source.
- the inverter device of this embodiment is characterized in that a common power source is used as a power source for driving the switching elements of the upper and lower arm portions. For this reason, the connection configuration of the clamp diode is different from that of the second embodiment.
- Other configurations are the same as or equivalent to those of the second embodiment, and these portions are denoted by the same reference numerals and description thereof is omitted.
- each potential difference between the terminals of the lower arm drive reference power supply terminal COM and the upper arm drive high voltage side power supply terminals VB1, VB3, and VB5 is calculated.
- clamping means for clamping to a predetermined voltage first, the anode is connected to the reference power supply terminal COM for driving the lower arm, and the force sword is connected to the high voltage power supply terminal VCC for driving the lower arm.
- the clamp diode D10 and anode are connected to the high-voltage power supply VCC for lower arm drive, and the force sword is connected to the high-voltage power supply for upper arm drive.
- a second clamp diode D21, D22, D23 connected to each terminal of the source terminal VB1, VB3, VB5 is provided.
- the inverter device as in the first and second embodiments, most of the through current that tends to flow inside the high withstand voltage IClOa is supplied to the first clamp diode D10. And the second clamp diodes Dl l, D12, and D13 can be pulled in, so that the through current that tends to flow inside the high voltage IC10 can be reduced, thereby preventing malfunction caused by latch-up. be able to.
- the force swords of the second clamp diodes D21, D22, D23 are connected to the terminals of the upper arm driving high-voltage side power supply terminals VB1, VB3, VB5. Therefore, the currents flowing through the second clamp diodes D21, D22, and D23 can be made smaller than the currents flowing through the clamp diodes disclosed in Patent Documents 1 and 2, for example. Therefore, it is possible to select a diode having a smaller rated current compared to the clamp diodes disclosed in Patent Documents 1 and 2.
- the inverter device of this embodiment between the reference power supply terminal for driving the lower arm of the high voltage IC and the high voltage side power supply terminal for driving the lower arm of the high voltage IC.
- a second clamp connected between the first clamp diode connected to the high-voltage power supply terminal for driving the lower arm of the high voltage IC and the high-voltage power supply terminal for driving the upper arm of the high voltage IC.
- Each of the clamp diodes clamps each potential difference between the lower arm drive reference power supply terminal and the upper arm drive high voltage power supply terminal. IC malfunction can be prevented, and increase in circuit scale and cost can be suppressed.
- each clamping diode may be provided inside the high withstand voltage IC that is externally attached to the high withstand voltage IC.
- it is more effective to attach externally to the high voltage IC, because it is not necessary to change the design of the high voltage IC and that the present invention can be applied to the inverter device using the existing high voltage IC. It can be used for
- a diode is used as a clamping means for clamping each potential difference between each terminal of the lower arm driving reference power supply terminal and the upper arm driving high voltage side power supply terminal. It is not limited to force diodes that are intended to use a diode. For example, any element that can turn on at a specific voltage or higher and output a substantially constant voltage, such as a Zener diode or a PN junction of a bipolar transistor, may be used.
- the inverter device according to the present invention can be widely applied to, for example, an inverter device provided with a single-phase inverter circuit or a three-phase inverter circuit. Suitable for inverter devices where prevention is important
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Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006552811A JP4675910B2 (ja) | 2005-01-14 | 2005-01-14 | インバータ装置 |
PCT/JP2005/000403 WO2006075388A1 (ja) | 2005-01-14 | 2005-01-14 | インバータ装置 |
US10/586,243 US7492618B2 (en) | 2005-01-14 | 2005-01-14 | Inverter device |
CNB2005800090064A CN100530927C (zh) | 2005-01-14 | 2005-01-14 | 逆变器装置 |
DE112005000417T DE112005000417T5 (de) | 2005-01-14 | 2005-01-14 | Invertervorrichtung |
GB0615843A GB2426130B (en) | 2005-01-14 | 2005-01-14 | Inverter device |
TW094101643A TWI280740B (en) | 2005-01-14 | 2005-01-20 | Inverter circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2005/000403 WO2006075388A1 (ja) | 2005-01-14 | 2005-01-14 | インバータ装置 |
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WO2006075388A1 true WO2006075388A1 (ja) | 2006-07-20 |
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PCT/JP2005/000403 WO2006075388A1 (ja) | 2005-01-14 | 2005-01-14 | インバータ装置 |
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US (1) | US7492618B2 (ja) |
JP (1) | JP4675910B2 (ja) |
CN (1) | CN100530927C (ja) |
DE (1) | DE112005000417T5 (ja) |
GB (1) | GB2426130B (ja) |
TW (1) | TWI280740B (ja) |
WO (1) | WO2006075388A1 (ja) |
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JP4857814B2 (ja) * | 2006-02-28 | 2012-01-18 | 株式会社日立製作所 | モータ駆動装置 |
CN102427220B (zh) * | 2011-11-01 | 2014-06-04 | 深圳麦格米特电气股份有限公司 | 一种高压逆变保护电路 |
KR20140072543A (ko) * | 2012-12-05 | 2014-06-13 | 삼성전기주식회사 | 게이트 구동 장치 및 이를 갖는 인버터 |
EP2811641A1 (en) * | 2013-06-05 | 2014-12-10 | Siemens Aktiengesellschaft | Controlling the operation of an converter having a plurality of semiconductor switches for converting high power electric signals from DC to AC or from AC to DC |
KR101983158B1 (ko) * | 2013-11-26 | 2019-05-28 | 삼성전기주식회사 | 게이트 구동 장치 및 이를 갖는 인버터 |
CN105940453B (zh) * | 2014-01-28 | 2019-08-23 | 施耐德电气It公司 | 双极栅极驱动器 |
JP6639103B2 (ja) * | 2015-04-15 | 2020-02-05 | 株式会社東芝 | スイッチングユニット及び電源回路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0684798U (ja) * | 1993-04-30 | 1994-12-02 | 株式会社島津製作所 | ブリッジインバータ回路 |
JPH1042575A (ja) * | 1996-07-23 | 1998-02-13 | Mitsubishi Electric Corp | インバータ装置 |
WO2001059918A1 (fr) * | 2000-02-09 | 2001-08-16 | Mitsubishi Denki Kabushiki Kaisha | Dispositif onduleur |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2896342B2 (ja) * | 1995-05-04 | 1999-05-31 | インターナショナル・レクチファイヤー・コーポレーション | 半波ブリッジ構成における複数のパワートランジスタを駆動し、かつ出力ノードの過度の負の振動を許容する方法及び回路、並びに上記回路を組み込む集積回路 |
GB2328565B (en) * | 1997-03-18 | 2001-08-29 | Mitsubishi Electric Corp | Power converting apparatus |
TWI220591B (en) | 2003-05-05 | 2004-08-21 | Rou-Yong Duan | A current-source sine wave voltage driving circuit via voltage-clamping and soft-switching techniques |
-
2005
- 2005-01-14 GB GB0615843A patent/GB2426130B/en not_active Expired - Fee Related
- 2005-01-14 CN CNB2005800090064A patent/CN100530927C/zh active Active
- 2005-01-14 JP JP2006552811A patent/JP4675910B2/ja active Active
- 2005-01-14 WO PCT/JP2005/000403 patent/WO2006075388A1/ja not_active Application Discontinuation
- 2005-01-14 US US10/586,243 patent/US7492618B2/en active Active
- 2005-01-14 DE DE112005000417T patent/DE112005000417T5/de not_active Ceased
- 2005-01-20 TW TW094101643A patent/TWI280740B/zh active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0684798U (ja) * | 1993-04-30 | 1994-12-02 | 株式会社島津製作所 | ブリッジインバータ回路 |
JPH1042575A (ja) * | 1996-07-23 | 1998-02-13 | Mitsubishi Electric Corp | インバータ装置 |
WO2001059918A1 (fr) * | 2000-02-09 | 2001-08-16 | Mitsubishi Denki Kabushiki Kaisha | Dispositif onduleur |
Also Published As
Publication number | Publication date |
---|---|
US7492618B2 (en) | 2009-02-17 |
GB2426130B (en) | 2008-03-12 |
GB2426130A (en) | 2006-11-15 |
JPWO2006075388A1 (ja) | 2008-06-12 |
CN100530927C (zh) | 2009-08-19 |
TWI280740B (en) | 2007-05-01 |
JP4675910B2 (ja) | 2011-04-27 |
DE112005000417T5 (de) | 2007-11-29 |
CN1934775A (zh) | 2007-03-21 |
GB0615843D0 (en) | 2006-09-20 |
US20070153556A1 (en) | 2007-07-05 |
TW200625800A (en) | 2006-07-16 |
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