WO2014013614A1 - 制御装置 - Google Patents
制御装置 Download PDFInfo
- Publication number
- WO2014013614A1 WO2014013614A1 PCT/JP2012/068477 JP2012068477W WO2014013614A1 WO 2014013614 A1 WO2014013614 A1 WO 2014013614A1 JP 2012068477 W JP2012068477 W JP 2012068477W WO 2014013614 A1 WO2014013614 A1 WO 2014013614A1
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- WIPO (PCT)
- Prior art keywords
- motor
- power converter
- disconnection
- detection unit
- current
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/24—Vector control not involving the use of rotor position or rotor speed sensors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/50—Vector control arrangements or methods not otherwise provided for in H02P21/00- H02P21/36
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/0243—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being a broken phase
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/032—Preventing damage to the motor, e.g. setting individual current limits for different drive conditions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/12—Monitoring commutation; Providing indication of commutation failure
-
- 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
- H02M7/53875—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 analogue control of three-phase output
- H02M7/53876—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 analogue control of three-phase output based on synthesising a desired voltage vector via the selection of appropriate fundamental voltage vectors, and corresponding dwelling times
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/06—Rotor flux based control involving the use of rotor position or rotor speed sensors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P31/00—Arrangements for regulating or controlling electric motors not provided for in groups H02P1/00 - H02P5/00, H02P7/00 or H02P21/00 - H02P29/00
Definitions
- the present invention relates to a control device that controls a power converter that converts electric power to drive an electric motor, and detects a disconnection between the power converter and the electric motor.
- An electric vehicle travels by converting electric power taken from an overhead line by a current collector with a power converter and driving an electric motor with the converted power.
- a disconnection occurs between the power converter and the electric motor, electric power cannot be supplied to the electric motor, and the traction force of the electric vehicle is lost.
- one power converter supplies power to a plurality of motors, if the power converter continues to operate in a state where a disconnection has occurred between the power converter and one motor, the power converter is applied to the other motors.
- the voltage may increase, overloading other motors may cause the motors to break down. Therefore, it is necessary to detect the disconnection that occurs between the power converter and the electric motor.
- the drive control device disclosed in Patent Literature 1 calculates an average value of three-phase currents output to the electric motor by the drive control device, and when the difference between the average value and each phase current exceeds a predetermined value, It is determined that the cable for supplying the phase current is disconnected.
- the power conversion device disclosed in Patent Document 2 includes a power converter, an electric motor, and a motor when the fluctuation of the output current of the power converter exceeds a predetermined value and the minimum value of the output current is lower than a predetermined value. It is determined that a disconnection has occurred between the two.
- the electric vehicle control device disclosed in Patent Document 3 determines that a disconnection has occurred between the power converter and the electric motor when the torque fluctuation of the electric motor exceeds a predetermined value.
- the electric motor drive device disclosed in Patent Document 4 determines whether or not a disconnection occurs between the output circuit and the electric motor based on each phase voltage output by the output circuit within a predetermined time after activation.
- the electric vehicle control device disclosed in Patent Document 3 requires a torque calculation circuit, which complicates the circuit.
- the electric motor drive device disclosed in Patent Document 4 requires a monitor for detecting the voltage supplied to the electric motor, which complicates the circuit. With the technique disclosed in Patent Document 5, a disconnection cannot be detected after the motor is started.
- the present invention has been made in view of the circumstances as described above, and an object thereof is to improve the detection accuracy of disconnection between a power converter and an electric motor with a simple configuration.
- the control device of the present invention includes a power converter, a current detection unit, a voltage control unit, a disconnection detection unit, and a gate control unit.
- the power converter converts the input power by switching on and off of the switching element, and drives the AC motor.
- the current detection unit detects a current output from the power converter to the AC motor.
- a voltage control part produces
- the disconnection detection unit determines that a disconnection has occurred between the power converter and the AC motor when the state where the absolute value of the combined vector of the voltage command values is not within the predetermined range continues for a predetermined time or longer.
- the gate control unit outputs a gate command for controlling on / off switching of the switching element included in the power converter based on the voltage command value.
- FIG. 1 is a block diagram showing a configuration example of a control device according to an embodiment of the present invention.
- FIG. 1 shows an example in which the control device 1 is used for a train.
- the control device 1 takes in power from the overhead line 2 by the current collector 3, converts the power, and drives the AC motor 4 with the converted power.
- the AC motor 4 is an electric motor that generates a driving force for running the vehicle.
- a three-phase induction motor is used as the AC motor 4.
- the control device 1 includes a power converter 11, current detection units 12a, 12b, and 12c, a voltage control unit 13, a disconnection detection unit 14, and a gate control unit 15.
- the power converter 11 converts the taken-in power into three-phase AC power supplied to the AC motor 4 by switching on and off of the switching element based on the gate command GATE output from the gate control unit 15, and the AC motor 4 is driven.
- the current detection units 12 a, 12 b, and 12 c detect the phase currents Iu, Iv, and Iw that the power converter 11 supplies to the AC motor 4, and send them to the voltage control unit 13.
- the current detection units 12 a, 12 b, and 12 c are not limited to CT (Current Transformer) that detects a current flowing in the connection between the power converter 11 and the AC motor 4.
- the current detection unit 12c may be omitted, and the phase current Iw may be calculated from the phase currents Iu and Iv detected by the current detection units 12a and 12b, respectively.
- the voltage control unit 13 is input with an operation command signal S1 for commanding the rotational operation of the AC motor 4. Based on the operation command signal S1, for example, the angular velocity and the output torque of the AC motor 4 are determined.
- the angular speed of the AC motor 4 is the angular speed of the rotor of the AC motor 4.
- the driving command signal S1 is a signal for controlling the running of the vehicle, and is a powering command signal and a brake command signal that are command signals from the cab. including.
- the signal levels of the power running command signal and the brake command signal change depending on the input or release of the power running command and the brake command in the cab.
- the voltage control unit 13 generates the d-axis current command value Id * and the q-axis current command value Iq * on the rotation coordinates based on the operation command signal S1 using the conventional technique.
- the voltage control unit 13 performs coordinate conversion from the drive coordinates, which are the determined coordinates for driving the AC motor 4, to the rotation coordinates for the phase currents Iu, Iv, and Iw using the conventional technique, D-axis current Id and q-axis current Iq are generated.
- the rotation coordinates are coordinates that rotate in synchronization with a rotating magnetic field generated in the AC motor 4.
- the d-axis is in the same direction as the main magnetic flux of the rotating magnetic field, and the q-axis is the direction orthogonal to the d-axis.
- the drive coordinates are coordinates having a U-phase axis, a V-phase axis, and a W-phase axis.
- the voltage control unit 13 determines the deviation between the d-axis current command value Id * and the d-axis current Id and The d-axis voltage command value Vd * and the q-axis voltage command value Vq * are generated so as to eliminate the deviation between the q-axis current command value Iq * and the q-axis current Iq, and sent to the disconnection detection unit 14 and the gate control unit 15. .
- the disconnection detector 14 is input with a driving command signal S1 and a speed signal S2 that is a signal indicating the speed of the vehicle.
- a speed signal S2 for example, the vehicle speed based on the angular speed detected by the angular speed sensor attached to the AC motor 4 and the speed information of ATC (Automatic Train Control) can be used.
- the angular speed of the AC motor 4 is calculated, and the vehicle is calculated from the angular speed.
- a speed calculation unit that calculates a speed may be provided, and the speed calculated by the speed calculation unit may be sent to the disconnection detection unit 14 as a speed signal S2.
- the speed signal S2 may be an angular speed detected by the angular speed sensor or an angular speed calculated as described above, and the disconnection detection unit 14 may calculate the vehicle speed from the angular speed.
- the disconnection detection unit 14 It is determined that a disconnection has occurred with the electric motor 4.
- the predetermined range is a function of the speed of the vehicle, for example.
- the predetermined time is an arbitrary time provided to prevent erroneous detection of disconnection due to fluctuations in the d-axis voltage command value Vd * and the q-axis voltage command value Vq *.
- the disconnection detection unit 14 sends a disconnection signal OFF to the gate control unit 15.
- the disconnection signal OFF is H (High) level when the disconnection detection unit 14 determines that a disconnection occurs between the power converter 11 and the AC motor 4. This is a signal that is at the L (Low) level when it is determined that no disconnection has occurred.
- the gate control unit 15 switches the switching element included in the power converter 11 on and off based on the d-axis voltage command value Vd * and the q-axis voltage command value Vq *. Is sent to the power converter 11.
- the gate control unit 15 sends a gate command GATE for turning off the switching element included in the power converter 11 to the power converter 11. By turning off the switching element included in the power converter 11, the power supply to the AC motor 4 is stopped, and it is possible to prevent the AC motor 4 from being overloaded.
- FIG. 2 is a diagram illustrating a relationship between the motor voltage and the motor current in the embodiment.
- the absolute value of the combined vector of the U-phase, V-phase, and W-phase voltages is called a motor voltage.
- the absolute value of the combined vector of the phase currents Iu, Iv, and Iw is called a motor current. Since the actual motor voltage cannot be detected, the absolute value of the combined vector of the d-axis voltage command value Vd * and the q-axis voltage command value Vq * is regarded as the motor voltage.
- the motor current is kept constant, and when the vehicle speed exceeds a certain speed, it gradually decreases as the vehicle speed increases.
- the motor voltage gradually increases and is kept constant when the limit voltage is reached.
- the limit voltage is a value determined by the maximum value of the voltage that can be output by the power converter 11.
- FIG. 3 is a diagram illustrating an example of a predetermined range of absolute values of a combined vector of voltage command values in the embodiment. A range that is equal to or less than the value indicated by the solid line in FIG.
- the current detection unit 12 a detects it.
- the phase current Iu temporarily decreases. Since control device 1 performs vector control so that the current supplied to AC motor 4 is constant, the values of d-axis voltage command value Vd * and q-axis voltage command value Vq * increase. Thereafter, when the state where the absolute value of the combined vector of the d-axis voltage command value Vd * and the q-axis voltage command value Vq * is not within a predetermined range continues for a predetermined time or longer, the disconnection detection unit 14 is connected to the power converter 11. It is determined that a disconnection has occurred with the AC motor 4.
- the disconnection detection unit 14 determines that no disconnection has occurred between the power converter 11 and the AC motor 4. As indicated by white circles in FIG. 3, when the vehicle speed is V2 and the motor voltage is Vm2, the motor voltage is not within a predetermined range. When this state continues for a predetermined time or more, the disconnection detection unit 14 determines that a disconnection has occurred between the power converter 11 and the AC motor 4.
- the upper limit value of the predetermined range is, for example, a value obtained by multiplying a constant in the motor voltage when there is no disconnection indicated by a dotted line in FIG. Further, the upper limit value of the predetermined range may be defined so that the difference between the upper limit value of the predetermined range and the motor voltage at the time of disconnection increases at a constant rate as the vehicle speed increases.
- the disconnection detector 14 determines whether or not the power converter 11 and the AC motor 4 are disconnected based on the absolute value of the combined vector of the d-axis voltage command value Vd * and the q-axis voltage command value Vq *. Therefore, even when the cables of all the phases of one AC motor 4 are disconnected, it is possible to detect the disconnection.
- the absolute value of the combined vector of the d-axis voltage command value Vd * and the q-axis voltage command value Vq * becomes 0, so that 0 in a predetermined range. In such a case, it is possible to detect a disconnection.
- a predetermined range may be defined for each operation command.
- FIG. 4 is a diagram illustrating an example of a predetermined range corresponding to the operation command in the embodiment.
- the operation command signal S1 includes, for example, a stepless power running command signal and a stepped power running command signal.
- the one-dot chain line graph is the upper limit value of the predetermined range when the operation command signal S1 is the pattern 1
- the two-dot chain line graph is the upper limit value of the predetermined range when the operation command signal S1 is the pattern 2 It is.
- the vehicle speed is V3
- the motor voltage is Vm3
- the disconnection detection unit 14 indicates that there is no disconnection between the power converter 11 and the AC motor 4. to decide.
- the disconnection detection unit 14 has a disconnection between the power converter 11 and the AC motor 4.
- control device 1 According to the control device 1 according to the present embodiment, it is possible to improve the detection accuracy of the disconnection between the power converter and the electric motor with a simple configuration.
- the disconnection detection unit 14 may be configured not to use the operation command signal S1. In that case, when the state where the absolute value of the combined vector of the d-axis voltage command value Vd * and the q-axis voltage command value Vq * is not within the predetermined range is continued for a predetermined time or more regardless of the type of operation command signal. In addition, it is determined that the power converter 11 and the AC motor 4 are disconnected.
- the disconnection detection unit 14 is configured to output a disconnection signal OFF to the outside of the control device 1 instead of the gate control unit 15 when it is determined that the disconnection has occurred between the power converter 11 and the AC motor 4. May be.
- a disconnection signal OFF may be sent to the display device of the cab and the driver may be notified that the power converter 11 and the AC motor 4 are disconnected.
- AC motor 4 is not limited to a three-phase induction motor, and may be a single-phase induction motor. Further, the AC motor 4 is not limited to a plurality, and may be one. The AC motor 4 may be an induction motor or a rotary motor. Further, instead of the AC motor 4, a linear induction motor, a linear synchronous motor, a solenoid, or the like may be used.
- AC motor 4 driven by control device 1 is not limited to an electric motor that generates a driving force for running a vehicle.
- the predetermined range may be a function of the angular speed of the AC motor 4 instead of a function of the speed of the vehicle.
- the speed signal S ⁇ b> 2 input to the disconnection detection unit 14 is the angular speed of the AC motor 4.
- the disconnection detection unit 14 continues the state where the absolute value of the combined vector of the d-axis voltage command value Vd * and the q-axis voltage command value Vq * is not within a predetermined range that is a function of the angular velocity of the AC motor 4 for a predetermined time or longer. In this case, it is determined that the power converter 11 and the AC motor 4 are disconnected.
- the present invention can be suitably employed in a control device that controls a power converter that converts electric power to drive an electric motor and detects a disconnection between the power converter and the electric motor.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Multiple Motors (AREA)
Abstract
Description
2 架線
3 集電装置
4 交流電動機
11 電力変換器
12a、12b、12c 電流検出部
13 電圧制御部
14 断線検知部
15 ゲート制御部
Claims (6)
- スイッチング素子のオンとオフを切り替えることにより、入力された電力を変換し、交流電動機を駆動する電力変換器と、
前記電力変換器が交流電動機に対して出力する電流を検出する電流検出部と、
前記交流電動機の回転動作を指令する運転指令および前記電流検出部が検出した前記電流に基づき、前記電力変換器の制御に用いる電圧指令値を生成する電圧制御部と、
前記電圧指令値の合成ベクトルの絶対値が所定範囲にない状態が、所定時間以上継続した場合には、前記電力変換器と前記交流電動機との間で断線が生じていると判断する断線検知部と、
前記電圧指令値に基づき、前記電力変換器が備える前記スイッチング素子のオンとオフの切り替えを制御するゲート指令を出力するゲート制御部と、
を備える制御装置。 - 前記断線検知部は、前記交流電動機の角速度を取得し、前記電圧指令値の合成ベクトルの絶対値が前記角速度の関数である前記所定範囲にない状態が、前記所定時間以上継続した場合には、前記電力変換器と前記交流電動機との間で断線が生じていると判断する請求項1に記載の制御装置。
- 前記交流電動機は車両を走行させる駆動力を生じる電動機であって、
前記電圧制御部は、前記運転指令として、前記車両の走行を制御する運転指令を用い、
前記断線検知部は、前記車両の速度を取得し、前記電圧指令値の合成ベクトルの絶対値が前記車両の速度の関数である前記所定範囲にない状態が、前記所定時間以上継続した場合には、前記電力変換器と前記交流電動機との間で断線が生じていると判断する、
請求項1に記載の制御装置。 - 前記断線検知部は、前記運転指令に基づき、前記電圧指令値の合成ベクトルの絶対値が前記運転指令に対応する前記所定範囲にない状態が、前記所定時間以上継続した場合には、前記電力変換器と前記交流電動機との間で断線が生じていると判断する請求項1ないし3のいずれか1項に記載の制御装置。
- 前記ゲート制御部は、前記断線検知部が前記電力変換器と前記交流電動機との間で断線が生じていると判断した場合に、前記電力変換器が備える前記スイッチング素子をオフにする前記ゲート指令を出力する請求項1ないし4のいずれか1項に記載の制御装置。
- 前記電力変換器は複数の三相電動機を駆動し、
前記電流検出部は、前記電力変換器が出力する三相それぞれの電流を検出する、
請求項1ないし5のいずれか1項に記載の制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2012/068477 WO2014013614A1 (ja) | 2012-07-20 | 2012-07-20 | 制御装置 |
JP2013504042A JP5296942B1 (ja) | 2012-07-20 | 2012-07-20 | 制御装置 |
US14/415,303 US9793843B2 (en) | 2012-07-20 | 2012-07-20 | Control device for detecting disconnection |
DE112012006581.6T DE112012006581T5 (de) | 2012-07-20 | 2012-07-20 | Steuerung |
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PCT/JP2012/068477 WO2014013614A1 (ja) | 2012-07-20 | 2012-07-20 | 制御装置 |
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PCT/JP2012/068477 WO2014013614A1 (ja) | 2012-07-20 | 2012-07-20 | 制御装置 |
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US (1) | US9793843B2 (ja) |
JP (1) | JP5296942B1 (ja) |
DE (1) | DE112012006581T5 (ja) |
WO (1) | WO2014013614A1 (ja) |
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JP6143988B1 (ja) * | 2016-09-05 | 2017-06-07 | 三菱電機株式会社 | モータ制御装置 |
WO2019155585A1 (ja) * | 2018-02-08 | 2019-08-15 | 三菱電機株式会社 | 電動機の制御装置およびケーブル断線検出方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20150153400A1 (en) * | 2013-12-03 | 2015-06-04 | Hyundai Motor Company | Detection system and method of disconnection of motor power cable and motor control method |
US11396236B2 (en) * | 2017-12-28 | 2022-07-26 | Mitsubishi Electric Corporation | Electric vehicle control device |
JP6851504B2 (ja) * | 2017-12-28 | 2021-03-31 | 三菱電機株式会社 | 電気車制御装置 |
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- 2012-07-20 JP JP2013504042A patent/JP5296942B1/ja not_active Expired - Fee Related
- 2012-07-20 DE DE112012006581.6T patent/DE112012006581T5/de active Pending
- 2012-07-20 WO PCT/JP2012/068477 patent/WO2014013614A1/ja active Application Filing
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JP6143988B1 (ja) * | 2016-09-05 | 2017-06-07 | 三菱電機株式会社 | モータ制御装置 |
WO2018042672A1 (ja) * | 2016-09-05 | 2018-03-08 | 三菱電機株式会社 | モータ制御装置 |
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WO2019155585A1 (ja) * | 2018-02-08 | 2019-08-15 | 三菱電機株式会社 | 電動機の制御装置およびケーブル断線検出方法 |
JPWO2019155585A1 (ja) * | 2018-02-08 | 2020-07-27 | 三菱電機株式会社 | 電動機の制御装置およびケーブル断線検出方法 |
Also Published As
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JP5296942B1 (ja) | 2013-09-25 |
US20150188473A1 (en) | 2015-07-02 |
DE112012006581T5 (de) | 2015-03-19 |
US9793843B2 (en) | 2017-10-17 |
JPWO2014013614A1 (ja) | 2016-06-30 |
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