JP2012075317A - Electric vehicle controller - Google Patents

Electric vehicle controller Download PDF

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JP2012075317A
JP2012075317A JP2011266211A JP2011266211A JP2012075317A JP 2012075317 A JP2012075317 A JP 2012075317A JP 2011266211 A JP2011266211 A JP 2011266211A JP 2011266211 A JP2011266211 A JP 2011266211A JP 2012075317 A JP2012075317 A JP 2012075317A
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electric vehicle
vvvf
permanent magnet
motors
control
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Shinichi Toda
伸一 戸田
Ikuo Yasuoka
育雄 安岡
Yosuke Nakazawa
洋介 中沢
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Toshiba Corp
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Toshiba Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles

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  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an electric vehicle controller by which a system cost is reduced and an outline is made compact by constituting the controller to conduct control close to centralized control as in an induction motor, in a vehicle drive system employing permanent magnet type synchronous motors as motors for driving a vehicle.SOLUTION: The electric vehicle controller includes a plurality of the permanent magnet type synchronous motors 17 to 20 prepared as the motors for driving the electric vehicle, a plurality of VVVF inverters 9 to 12 which drive each of the permanent magnet type synchronous motors individually on a one-on-one basis, and gate controllers 22, 23 wherein the plurality of VVVF inverters are divided into a plurality of control units so that each control unit may include the plurality of VVVF inverters of two sets or more, and each set thereof is prepared in units of control units.

Description

本発明は、複数台の永久磁石同期式電動機を車両駆動用電動機とし、各永久磁石同期式電動機を複数台のＶＶＶＦインバータ各々にて個別に駆動する車両駆動システムを制御する電気車制御装置に適用される。 The present invention is applied to an electric vehicle control apparatus that controls a vehicle drive system in which a plurality of permanent magnet synchronous motors are used as vehicle drive motors, and each permanent magnet synchronous motor is individually driven by each of a plurality of VVVF inverters. Is done.

車両駆動用電動機として誘導電動機が採用される場合、誘導電動機の２台ないし４台を並列に接続して制御単位として、制御単位ごとに１台のＶＶＶＦインバータで制御するようにしている。そして、いずれかの誘導電動機が故障した場合には、その故障した誘導電動機の属する制御単位の全誘導電動機をインバータごとに開放する構成としている。 When an induction motor is adopted as a vehicle drive motor, two or four induction motors are connected in parallel and controlled as a control unit by one VVVF inverter for each control unit. When one of the induction motors fails, all the induction motors in the control unit to which the failed induction motor belongs are opened for each inverter.

図３の電気車制御装置は、直流電源から電力を取り込むパンタグラフ１、高速度遮断器２、充電抵抗器３及び充電抵抗短絡用接触器４、２系統に並列配置された開放接触器５，６及びフィルタリアクトル４０，４１、フィルタコンデンサ７，８、系統ごとに設置されたＶＶＶＦインバータ９，１０、各ＶＶＶＦインバータ９，１０にて同時に駆動される誘導電動機２８，２９；３０，３１、そして、ＶＶＶＦインバータ９，１０それぞれをゲート制御するゲート制御装置２６，２７から構成されている。２１は車輪である。 The electric vehicle control device of FIG. 3 includes a pantograph 1 that takes in electric power from a DC power source, a high-speed circuit breaker 2, a charging resistor 3 and a charging resistor short-circuit contactor 4, and two open contactors 5 and 6 arranged in parallel. And filter reactors 40 and 41, filter capacitors 7 and 8, VVVF inverters 9 and 10 installed for each system, induction motors 28 and 29; 30, 31 and VVVF driven simultaneously by the respective VVVF inverters 9 and 10; The inverters 9 and 10 are composed of gate control devices 26 and 27 that control the gates, respectively. 21 is a wheel.

他方、図４の電気車制御装置は、直流電源から電力を取り込むパンタグラフ１、高速度遮断器２、充電抵抗器３及び充電抵抗短絡用接触器４、フィルタリアクトル４２、フィルタコンデンサ２４、１台のＶＶＶＦインバータ３２、このＶＶＶＦインバータ３２にて同時に駆動される４台の誘導電動機２８〜３１、そして、ＶＶＶＦインバータ９をゲート制御するゲート制御装置３３から構成されている。 On the other hand, the electric vehicle control device of FIG. 4 includes a pantograph 1 that takes in power from a DC power source, a high-speed circuit breaker 2, a charging resistor 3 and a charging resistor short-circuit contactor 4, a filter reactor 42, a filter capacitor 24, The VVVF inverter 32, four induction motors 28 to 31 that are simultaneously driven by the VVVF inverter 32, and a gate control device 33 that controls the VVVF inverter 9 are configured.

図３に示すように誘導電動機ＩＭ（１）〜ＩＭ（４）の制御単位が２台の場合は台車制御、図４に示すように誘導電動機ＩＭ（１）〜ＩＭ（４）の制御単位が４台の場合は集中制御と呼んでいる。 As shown in FIG. 3, when there are two control units for the induction motors IM (1) to IM (4), the control unit is for the carriage, and as shown in FIG. 4, the control units for the induction motors IM (1) to IM (4) are The case of four units is called centralized control.

これに対し、車両駆動用電動機として永久磁石を使用した同期電動機が採用される場合、この永久磁石型同期電動機は回転子の回転に合わせてＶＶＶＦインバータから電圧を与えて制御する必要があるため、電動機１台に専用の１台のＶＶＶＦインバータを配置していわば個別制御する必要がある。この個別制御では、いずれかの電動機が故障した場合の開放単位は台車ごとに行い、いわゆる個別開放が可能である。 On the other hand, when a synchronous motor using a permanent magnet is adopted as the vehicle driving motor, this permanent magnet type synchronous motor needs to be controlled by applying a voltage from the VVVF inverter in accordance with the rotation of the rotor. If one dedicated VVVF inverter is arranged for one motor, individual control is required. In this individual control, when one of the motors fails, the opening unit is performed for each carriage, and so-called individual opening is possible.

このため、図５に示すように、ＶＶＶＦインバータの開放接触器、インバータゲートを制御するゲート制御装置は電動機の台数だけ配置するいわゆる個別制御と呼ばれる構成が必要である。 For this reason, as shown in FIG. 5, the open contactor of a VVVF inverter and the gate control apparatus which controls an inverter gate require the structure called what is called individual control which arrange | positions only the number of motors.

図５は、従来の永久磁石式同期電動機を車両駆動用電動機とする車両駆動システムに対する電気車制御装置の構成を示しており、この従来の電気車制御装置は、パンタグラフ１、高速度遮断器２、充電抵抗器３及び充電抵抗短絡用接触器４、４系統に並列配置された開放接触器５，６，３８，３９及びフィルタリアクトル４０，４１，４５，４６、フィルタコンデンサ７，８，４３，４４、４系統ごとに設置されたＶＶＶＦインバータ９，１０，１１，１２、そして各ＶＶＶＦインバータ９〜１２の交流側に挿入された３相負荷接触器１３〜１６、各ＶＶＶＦインバータ９〜１２にて駆動される永久磁石式同期電動機１７〜２０、そして、ＶＶＶＦインバータ９〜１２を個別にゲート制御する４台のゲート制御装置３４〜３７から構成されている。 FIG. 5 shows a configuration of an electric vehicle control device for a vehicle drive system using a conventional permanent magnet synchronous motor as a vehicle drive motor. The conventional electric vehicle control device includes a pantograph 1 and a high-speed circuit breaker 2. , Charging resistor 3 and charging resistor shorting contactor 4, open contactors 5, 6, 38, 39 arranged in parallel in four systems, filter reactors 40, 41, 45, 46, filter capacitors 7, 8, 43, 44, VVVF inverters 9, 10, 11, 12 installed every four systems, and three-phase load contactors 13-16 inserted on the AC side of each VVVF inverter 9-12, and each VVVF inverter 9-12 The permanent magnet synchronous motors 17 to 20 to be driven and the four gate control devices 34 to 37 that individually control the gates of the VVVF inverters 9 to 12 are configured. That.

このように、従来の永久磁石型同期電動機を車両駆動用電動機に採用した車両駆動システムの場合、個別制御の構成が必要であるため、インバータ開放用の接触器、ゲート制御装置が電動機の台数分だけ必要であり、コストが高くなり外形が大きくなる問題点があった。 In this way, in the case of a vehicle drive system that employs a conventional permanent magnet type synchronous motor as a vehicle drive motor, an individual control configuration is required. Therefore, the contactor for opening the inverter and the gate control device are equivalent to the number of motors. However, there is a problem that the cost is increased and the outer shape is increased.

特開２００４−１４３５７７号公報Japanese Patent Application Laid-Open No. 2004-143577

本発明は、上述した従来の技術的課題に鑑みてなされたもので、永久磁石型同期電動機を車両駆動用電動機に採用した車両駆動システムにおいて、いずれかの電動機が故障した場合でも、電動機１台ごとに個別開放する必要がない場合には、誘導電動機のような集中制御に近い構成にして、システムとしてのコストを低くし、外形を小型化できる電気車制御装置を提供することを目的とする。 The present invention has been made in view of the above-described conventional technical problems. In a vehicle drive system in which a permanent magnet type synchronous motor is employed as a vehicle drive motor, even if one of the motors fails, one motor is provided. When it is not necessary to open each unit individually, an object is to provide an electric vehicle control device that has a configuration close to that of centralized control, such as an induction motor, can reduce the cost of the system, and can reduce the external size. .

本発明は、電気車駆動用電動機として用意された複数台の永久磁石式同期電動機と、前記永久磁石式同期電動機それぞれを個別に１対１で駆動する複数台のＶＶＶＦインバータと、前記複数台のＶＶＶＦインバータを、各制御単位が２台以上の複数台のＶＶＶＦインバータを含むように複数の制御単位に分け、制御単位ごとに１台ずつ用意されたゲート制御装置とを備えた電気車制御装置を特徴とする。 The present invention includes a plurality of permanent magnet synchronous motors prepared as electric vehicle driving motors, a plurality of VVVF inverters that individually drive the permanent magnet synchronous motors one-on-one, and the plurality of An electric vehicle control device comprising a VVVF inverter divided into a plurality of control units so that each control unit includes two or more VVVF inverters, and a gate control device prepared for each control unit. Features.

本発明の電気車制御装置によれば、複数台の永久磁石式同期電動機それぞれを１対１で駆動する複数台のＶＶＶＦインバータを備えて、複数台のＶＶＶＦインバータを、各制御単位が２台以上の複数台のＶＶＶＦインバータを含むように複数の制御単位に分けて制御単位ごとに１台ずつゲート制御装置を用意したので、複数台の永久磁石式同期電動機それぞれを複数台のＶＶＶＦインバータにて個別に制御でき、かつ、複数台のＶＶＶＦインバータを複数台ずつ１台のゲート制御装置により同時に制御でき、ＶＶＶＦインバータの台数分だけゲート制御装置を必要とせず、制御単位台数の分の１の台数だけゲート制御装置を用意すればよく、システムとしてのコストを低くし、外形を小型化できる。 According to the electric vehicle control apparatus of the present invention, a plurality of VVVF inverters that respectively drive a plurality of permanent magnet type synchronous motors in a one-to-one manner are provided, and a plurality of VVVF inverters each having two or more control units. Since one gate control device was prepared for each control unit divided into a plurality of control units so as to include a plurality of VVVF inverters, each of the plurality of permanent magnet type synchronous motors was individually controlled by a plurality of VVVF inverters. It is possible to control multiple VVVF inverters at the same time with one gate control device, and no gate control device is required for the number of VVVF inverters. What is necessary is just to prepare a gate control apparatus, the cost as a system can be made low, and an external shape can be reduced in size.

本発明の第１の実施の形態の電気車制御装置のブロック図。The block diagram of the electric vehicle control apparatus of the 1st Embodiment of this invention. 本発明の第２の実施の形態の電気車制御装置のブロック図。The block diagram of the electric vehicle control apparatus of the 2nd Embodiment of this invention. 従来の誘導電動機で構成した台車制御構成の電気車制御装置のブロック図。The block diagram of the electric vehicle control apparatus of the trolley | bogie control structure comprised with the conventional induction motor. 従来の誘導電動機で構成した集中制御構成の電気車制御装置のブロック図。The block diagram of the electric vehicle control apparatus of the centralized control structure comprised with the conventional induction motor. 従来の永久磁石式同期電動機で構成した電気車駆動システムにおける電気車制御装置のブロック図。The block diagram of the electric vehicle control apparatus in the electric vehicle drive system comprised with the conventional permanent magnet type synchronous motor.

以下、本発明の実施の形態を図に基づいて詳説する。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

（第１の実施の形態）
図１は、本発明の第１の実施の形態の電気車制御装置の構成を示している。本実施の形態の電気車制御装置は、直流電源から電力を取り込むパンタグラフ１、高速度遮断器２、充電抵抗器３及び充電抵抗短絡用接触器４、２系統に並列配置された開放接触器５，６及びフィルタリアクトル４０，４１、フィルタコンデンサ７，８、系統ごとに並列に配置されたＶＶＶＦインバータ９，１０；１１，１２、そして各ＶＶＶＦインバータ９〜１２の交流側に挿入された３相負荷接触器１３〜１６、各ＶＶＶＦインバータ９〜１２にて駆動される永久磁石式同期電動機１７〜２０、そして、ＶＶＶＦインバータ９〜１２を各系統の２台ずつを制御単位としてゲート制御するゲート制御装置２２，２３を備えている。各制御単位に属するＶＶＶＦインバータ９，１０とＶＶＶＦインバータ１１，１２はそれぞれ、フィルタコンデンサ７，８と開放接触器５，６とゲート制御装置２２，２３それぞれを共用している。尚、各ゲート制御装置２２，２３に備えられているＣＰＵは、２台のＶＶＶＦインバータ９，１０、またＶＶＶＦインバータ１１，１２を個別に制御できる性能を有するものである。２１は車輪である。 (First embodiment)
FIG. 1 shows a configuration of an electric vehicle control apparatus according to a first embodiment of the present invention. The electric vehicle control apparatus according to the present embodiment includes a pantograph 1 that takes in electric power from a DC power source, a high-speed circuit breaker 2, a charging resistor 3, a charging resistor short-circuit contactor 4, and an open contactor 5 arranged in parallel in two systems. , 6 and filter reactors 40 and 41, filter capacitors 7 and 8, VVVF inverters 9 and 10; 11 and 12 arranged in parallel for each system, and a three-phase load inserted on the AC side of each VVVF inverter 9 to 12 Contact controller 13-16, permanent magnet type synchronous motor 17-20 driven by each VVVF inverter 9-12, and gate control device for gate-controlling two VVVF inverters 9-12 as control units 22 and 23 are provided. The VVVF inverters 9 and 10 and the VVVF inverters 11 and 12 belonging to each control unit share the filter capacitors 7 and 8, the open contactors 5 and 6, and the gate control devices 22 and 23, respectively. The CPU provided in each of the gate control devices 22 and 23 has a performance capable of individually controlling the two VVVF inverters 9 and 10 and the VVVF inverters 11 and 12. 21 is a wheel.

上記構成の電気車制御装置では、ゲート制御装置２２はＶＶＶＦインバータ９のゲートとＶＶＶＦインバータ１０のゲートとの両方を制御する。そして、制御単位内の片側のインバータ、例えばＶＶＶＦインバータ９が故障した場合には当該制御単位側の開放接触器５を開いて当該制御単位内の２台のＶＶＶＦインバータ９，１０を停止させ、また永久磁石式同期電動機１７，１８を共に開放する。つまり、本実施の形態の電気車制御装置では、いわば台車開放の制御を行うことができるのである。 In the electric vehicle control device configured as described above, the gate control device 22 controls both the gate of the VVVF inverter 9 and the gate of the VVVF inverter 10. When one of the inverters in the control unit, for example, the VVVF inverter 9 fails, the open contactor 5 on the control unit side is opened to stop the two VVVF inverters 9 and 10 in the control unit. Both permanent magnet synchronous motors 17 and 18 are opened. That is, in the electric vehicle control device of the present embodiment, it is possible to control the opening of the carriage.

本実施の形態の電気車制御装置によれば、従来の永久磁石式同期電動機を採用した電気車制御装置に対して、ゲート制御装置と開放接触器の台数をそれぞれ制御単位内の台数分の１、つまり、１／２とすることができ、永久磁石を用いた同期電動機においても誘導電動機の台車制御に近い主回路構成が可能となり、コストの低減と外形の小型化が図れる。 According to the electric vehicle control device of the present embodiment, the number of gate control devices and open contactors is one-fifth of the number in the control unit, compared to the conventional electric vehicle control device employing a permanent magnet synchronous motor. That is, it can be halved, and even in a synchronous motor using a permanent magnet, a main circuit configuration close to the cart control of the induction motor can be achieved, and the cost can be reduced and the outer shape can be reduced.

尚、本実施の形態においてゲート制御装置２２，２３に採用したＣＰＵは、１台で複数台の電動機を制御できるものであり、車輪空転滑走制御を行う際に４台の電動機速度を高速に認識することが可能であるので、それらの電動機の差速度をいち早く検出して高速の空転滑走制御を実現できる効果がある。 The CPU employed in the gate control devices 22 and 23 in this embodiment is capable of controlling a plurality of motors by one, and recognizes the speed of the four motors at a high speed when performing wheel idling control. Therefore, there is an effect that it is possible to realize the high speed idling control by detecting the differential speed between the motors quickly.

（第２の実施の形態）
図２は、本発明の第２の実施の形態の電気車制御装置の構成を示している。本実施の形態の電気車制御装置は、４台のＶＶＶＦインバータを１制御単位とし、１台のゲート制御装置にて制御することを特徴とする。すなわち、４台のＶＶＶＦインバータ９〜１２が１台のフィルタコンデンサ２４とゲート制御装置２５を共用している。本実施の形態では、４台のＶＶＶＦインバータ９〜１２に対してパンタグラフ１、高速度遮断器２、充電抵抗器３、充電抵抗短絡用開閉器４、そしてフィルタリアクトル４２も共通にしている。ただし、本実施の形態では、共通の開放接触器は設置していない。 (Second Embodiment)
FIG. 2 shows the configuration of the electric vehicle control apparatus according to the second embodiment of the present invention. The electric vehicle control device according to the present embodiment is characterized in that four VVVF inverters are set as one control unit and controlled by one gate control device. That is, four VVVF inverters 9 to 12 share one filter capacitor 24 and gate control device 25. In the present embodiment, the pantograph 1, the high-speed circuit breaker 2, the charging resistor 3, the charging resistance short-circuit switch 4, and the filter reactor 42 are shared by the four VVVF inverters 9 to 12. However, in this embodiment, no common open contactor is installed.

本実施の形態では、１台のゲート制御装置２５内のＣＰＵは４台のＶＶＶＦインバータ９〜１２を個別に制御する性能を有することで、ゲート制御装置を１台で構成している。 In the present embodiment, the CPU in one gate control device 25 has the performance of individually controlling the four VVVF inverters 9 to 12, thereby configuring the gate control device as a single unit.

本実施の形態の電気車制御装置では、１台のゲート制御装置２５が、制御単位内の４台のＶＶＶＦインバータ９〜１２それぞれのゲートを制御する。この場合、制御単位内の１台のＶＶＶＦインバータ、例えば、ＶＶＶＦインバータ９が故障した場合には、開放接触器が設けられていないのでシステムすべてを開放する制御動作となる。つまり、本実施の形態の電気車制御装置では、いわば集中制御を実行するのである。 In the electric vehicle control device of the present embodiment, one gate control device 25 controls the gates of the four VVVF inverters 9 to 12 in the control unit. In this case, when one VVVF inverter in the control unit, for example, the VVVF inverter 9 fails, since the open contactor is not provided, the control operation opens the entire system. That is, in the electric vehicle control device of the present embodiment, so-called centralized control is executed.

以上のように本実施の形態の電気車制御装置によれば、ゲート制御装置の数を従来の１／４とし、永久磁石を用いた同期電動機においても誘導電動機の集中制御に近い主回路構成が可能となり、コストの低減と外形の小型化が図れる。 As described above, according to the electric vehicle control device of the present embodiment, the number of gate control devices is ¼ that of the conventional one, and even in a synchronous motor using a permanent magnet, a main circuit configuration close to the central control of the induction motor is obtained. This makes it possible to reduce costs and downsize the outer shape.

５：開放用接触器
６：開放用接触器
７：フィルタコンデンサ
８：フィルタコンデンサ
９：ＶＶＶＦインバータ
１０：ＶＶＶＦインバータ
１１：ＶＶＶＦインバータ
１２：ＶＶＶＦインバータ
１７：永久磁石式同期電動機
１８：永久磁石式同期電動機
１９：永久磁石式同期電動機
２０：永久磁石式同期電動機
２２：ゲート制御装置
２３：ゲート制御装置
２４：フィルタコンデンサ
２５：ゲート制御装置 5: Opening contactor 6: Opening contactor 7: Filter capacitor 8: Filter capacitor 9: VVVF inverter 10: VVVF inverter 11: VVVF inverter 12: VVVF inverter 17: Permanent magnet synchronous motor 18: Permanent magnet synchronous motor 19: Permanent magnet type synchronous motor 20: Permanent magnet type synchronous motor 22: Gate control device 23: Gate control device 24: Filter capacitor 25: Gate control device

本発明は、電気車駆動用電動機として用意された４台の永久磁石式同期電動機と、前記４台の永久磁石式同期電動機それぞれをその回転子の回転に合わせて個別に１対１で電圧制御する４台のＶＶＶＦインバータであって、電源に並列に接続される４台のＶＶＶＦインバータと、前記４台のＶＶＶＦインバータを同時に電源から開放する開放手段と、前記開放手段の出力端に対して接続された、前記４台の並列接続されたＶＶＶＦインバータに共通のフィルタリアクトル及びフィルタコンデンサと、前記４台の並列接続されたＶＶＶＦインバータを制御単位とし、当該制御単位用に用意され、前記４台のＶＶＶＦインバータそれぞれを個別にゲート制御する１台のゲート制御装置とを備え、前記制御単位内の４台のＶＶＶＦインバータそれぞれを個別にゲート制御することによって前記４台の永久磁石式同期電動機それぞれを個別に電圧制御し、かつ、当該制御単位内のいずれかのＶＶＶＦインバータが故障した場合に前記開放手段を開放動作させて当該制御単位内の４台のＶＶＶＦインバータすべてを同時に電源から開放する電気車制御装置を特徴とする。 In the present invention, four permanent magnet type synchronous motors prepared as electric motors for driving an electric vehicle and the four permanent magnet type synchronous motors are individually voltage controlled one by one in accordance with the rotation of the rotor. Four VVVF inverters connected to the power supply in parallel, four VVVF inverters connected in parallel to the power supply, an opening means for simultaneously releasing the four VVVF inverters from the power supply, and an output terminal of the opening means connected A filter reactor and a filter capacitor common to the four parallel-connected VVVF inverters, and the four parallel-connected VVVF inverters are used as control units, and are prepared for the control units . and a single gate controller for individually gated respectively VVVF inverter, four VVVF inverter within the control unit it By individually controlling the gate, each of the four permanent magnet type synchronous motors is individually voltage controlled, and when any VVVF inverter in the control unit fails, the opening means is opened. It is characterized by an electric vehicle control device that simultaneously releases all four VVVF inverters in the control unit from the power source .

本発明の電気車制御装置によれば、制御単位内の４台のＶＶＶＦインバータそれぞれを個別にゲート制御することによって４台の永久磁石式同期電動機それぞれを個別に電圧制御し、かつ、当該制御単位内のいずれかのＶＶＶＦインバータが故障した場合に開放手段を開放動作させて当該制御単位内の４台のＶＶＶＦインバータすべてを同時に電源から開放するようにしているので、４台の永久磁石式同期電動機それぞれを４台のＶＶＶＦインバータにて個別に制御でき、かつ、４台のＶＶＶＦインバータを４台ずつ１台のゲート制御装置により同時に制御でき、ＶＶＶＦインバータの台数分だけゲート制御装置を必要とせず、制御単位に１台だけゲート制御装置、フィルタコンデンサ、フィルタリアクトルを用意すればよく、また電源から４台のＶＶＶＦインバータそれぞれを切り離す開放接触器を必要とせず、システムとしてのコストを低くし、外形を小型化できる。 According to the electric vehicle control device of the present invention, each of the four VVVF inverters in the control unit is individually gate-controlled to individually control the voltage of each of the four permanent magnet type synchronous motors, and the control unit since one of the opening by operating the opening means when the VVVF inverter has failed in the inner so that to release all VVVF inverter four of the control in the unit at the same time from the power supply, four permanent magnet type synchronous motor each can be individually controlled by four VVVF inverters, and each four to four VVVF inverter can be controlled simultaneously by a single gate controller, without requiring a number amount corresponding gate control device VVVF inverter, only one in the control unit gate controller, the filter capacitor may be prepared filter reactor, also whether the power Four VVVF inverters, respectively without the need for a cut-off contactor to disconnect the, lower the cost of the system can be miniaturized contour.

Claims (4)

電気車駆動用電動機として用意された複数台の永久磁石式同期電動機と、
前記永久磁石式同期電動機それぞれを個別に１対１で駆動する複数台のＶＶＶＦインバータと、
前記複数台のＶＶＶＦインバータを、各制御単位が２台以上の複数台のＶＶＶＦインバータを含むように複数の制御単位に分け、制御単位ごとに１台ずつ用意されたゲート制御装置とを備えたことを特徴とする電気車制御装置。 A plurality of permanent magnet synchronous motors prepared as electric vehicle driving motors;
A plurality of VVVF inverters that individually drive each of the permanent magnet type synchronous motors one-to-one;
The plurality of VVVF inverters are divided into a plurality of control units so that each control unit includes two or more VVVF inverters, and a gate control device prepared for each control unit is provided. An electric vehicle control device characterized by the above. 前記ＶＶＶＦインバータの制御単位ごとに用意され、当該制御単位内のＶＶＶＦインバータを同時に電源から開放するインバータ開放用の接触器を備えたことを特徴とする請求項１に記載の電気車制御装置。 The electric vehicle control device according to claim 1, further comprising an inverter opening contactor that is prepared for each control unit of the VVVF inverter and simultaneously opens the VVVF inverter in the control unit from the power source. 前記複数台のＶＶＶＦインバータを２台ずつの制御単位に分けたことを特徴とする請求項１又は２に記載の電気車制御装置。 The electric vehicle control apparatus according to claim 1 or 2, wherein the plurality of VVVF inverters are divided into control units of two. 前記複数台のＶＶＶＦインバータを４台ずつの制御単位に分けたことを特徴とする請求項１又は２に記載の電気車制御装置。 The electric vehicle control device according to claim 1 or 2, wherein the plurality of VVVF inverters are divided into control units of four.
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