JPH0793762B2 - Electric vehicle guidance obstacle prevention device - Google Patents
Electric vehicle guidance obstacle prevention deviceInfo
- Publication number
- JPH0793762B2 JPH0793762B2 JP61056344A JP5634486A JPH0793762B2 JP H0793762 B2 JPH0793762 B2 JP H0793762B2 JP 61056344 A JP61056344 A JP 61056344A JP 5634486 A JP5634486 A JP 5634486A JP H0793762 B2 JPH0793762 B2 JP H0793762B2
- Authority
- JP
- Japan
- Prior art keywords
- electric vehicle
- prevention device
- box
- equipment box
- vehicle body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- 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
-
- 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
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/10—Electrical machine types
- B60L2220/12—Induction machines
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、電力を外部から集電して制御する電気車用
誘導障害防止装置で、特に車体接地回路の機器構成に関
するものである。Description: TECHNICAL FIELD The present invention relates to an electric vehicle induction fault prevention device for collecting and controlling electric power from the outside, and more particularly to a device configuration of a vehicle body grounding circuit.
第２図は、例えば1985年11月開催の「第22回鉄道におけ
るサイバネテイクス利用国内シンポジウム論文集421」
に示された従来のインバータ制御装置の構成図であり、
図において、（１）は、架線等の電線より直流電力を集
電するパンタグラフ等の集電器、（２）は主回路の入切
を行うスイッチ、（３）はGTOサイリスタによって構成
され直流を交流に変換制御する３相インバータ、（４）
は３相誘導電動機、（５）は機器箱・車体と主回路間と
を絶縁耐圧試験時に切放すための接地スイッチ、（６）
はアースブラシ・車輪等によって構成された車両のレー
ルへの帰線回路、（７）は帰線回路（６）と同電位の車
体接地、（８）は３相インバータ（３）の導電性機器箱
と車体間の箱接地である。Fig. 2 shows, for example, "The 22nd National Symposium on Cybernetics on Railroads, 421", held in November 1985.
It is a block diagram of the conventional inverter control device shown in,
In the figure, (1) is a collector such as a pantograph that collects DC power from an electric wire such as an overhead wire, (2) is a switch that turns on and off the main circuit, and (3) is a GTO thyristor that is used to convert DC to AC. Three-phase inverter for conversion control to (4)
Is a three-phase induction motor, (5) is a ground switch for disconnecting the equipment box / body from the main circuit during a dielectric strength test, (6)
Is a return circuit to the rail of the vehicle constituted by an earth brush, wheels, etc., (7) is a vehicle body grounding at the same potential as the return circuit (6), and (8) is a conductive device of a three-phase inverter (3) It is a box ground between the box and the car body.
次に動作について説明する。集電器（１）により直流電
圧を集電し、スイッチ（２）を投入することにより３相
インバータ（３）に直流電圧を印加して、インバータ動
作によって３相交流電圧を発生し、これにより３相誘導
電動機（４）を駆動制御して車両の速度調整が行える。Next, the operation will be described. The current collector (1) collects the DC voltage, and the switch (2) is turned on to apply the DC voltage to the three-phase inverter (3) to generate the three-phase AC voltage by the inverter operation. The speed of the vehicle can be adjusted by controlling the drive of the phase induction motor (4).
インバータ動作によって発生する３相交流電圧は、直流
電圧がインバータ（３）を構成する電力用半導体、例え
ばGTOサイリスタ、トランジスタのスイッチング動作に
よって変換された３相の可変電圧可変周波数交流電圧で
ある。この制御装置の方式の詳細動作については文献に
詳しく記載されており、本発明に直接関係しないので省
略する。The three-phase AC voltage generated by the inverter operation is a three-phase variable voltage variable frequency AC voltage in which the DC voltage is converted by the switching operation of the power semiconductors, such as the GTO thyristor and the transistor, which constitute the inverter (3). The detailed operation of this controller system is described in detail in the literature and is not directly related to the present invention, and therefore omitted.
この装置を車体に設置する場合、車体との電位を同一と
するためと誘導ノイズ電流、放射ノイズを吸収してアー
スするために、３相インバータ（３）と車体とを箱接地
（８）で接地を行うとともに車体と給電回路の正又は負
の片側、すなわち集電器（１）側とは反対極とを接続す
る車体接地（７）を設けている。When this device is installed on the vehicle body, the three-phase inverter (3) and the vehicle body are connected to the box ground (8) in order to make the electric potential of the vehicle body the same and to absorb the induced noise current and radiation noise to ground. A vehicle body grounding (7) is provided for grounding and connecting the vehicle body to one of the positive or negative sides of the power supply circuit, that is, the side opposite to the collector (1) side.
従来の電気車用誘導障害防止装置は以上のように構成さ
れているので、電力用半導体の制御素子のスイッチング
時に発生するdv/dtによって、主回路とインバータ
（３）、誘導電動機（４）等との間に存在する浮遊容量
を通過するスパイク電流が発生する。Since the conventional electric vehicle induction fault prevention device is configured as described above, the main circuit and the inverter (3), the induction motor (4), etc. are controlled by dv / dt generated when the control element of the power semiconductor is switched. A spike current is generated that passes through the stray capacitance existing between and.
第３図にスパイク電流の流れる経路を説明する。図にお
いて、（10）はGTOサイリスタのような電力用半導体の
制御素子、（11）は主回路配線部品とインバータ（３）
の機器箱間に存在する浮遊容量であり、スパイク電流は
図中矢印（９）のように、制御素子（10）のスイッチン
グによって発生するdv/dtが浮遊容量（11）を通過する
ことで生じ、制御素子（10）、浮遊容量（11）、インバ
ータ（３）の機器箱と車体間の箱接地（８）又は、車体
への取付部等を通って車体接地（７）、接地スイッチ
（５）を逆流して制御素子（10）に至る経路で流れる。The path through which the spike current flows will be described with reference to FIG. In the figure, (10) is a power semiconductor control element such as a GTO thyristor, (11) is a main circuit wiring component and an inverter (3).
Is the stray capacitance existing between the equipment boxes, and the spike current is generated when the dv / dt generated by the switching of the control element (10) passes through the stray capacitance (11) as shown by the arrow (9) in the figure. , A control element (10), a stray capacitance (11), a box grounding (8) between the equipment box of the inverter (3) and the vehicle body, or a vehicle body grounding (7), a grounding switch (5) through a mounting portion to the vehicle body or the like. ) Backflows to the control element (10).
このような急激なdv/dtによって発生したスパイク電流
は、流れる経路に存在する部品、配線を通るときに、車
体の下にあるレール間に設置されたループ（12）を有す
る信号機器等に誘導障害を発生して、信号機器を誤動作
させる問題点があった。The spike current generated by such abrupt dv / dt is induced in the signal equipment that has the loop (12) installed between the rails under the vehicle body when passing through the components existing in the flow path and the wiring. There is a problem that a failure occurs and the signal device malfunctions.
この発明は上記のような問題点を解消するためになされ
たもので、信号機器の誤動作を防止できる電気車用誘導
障害防止装置を得ることを目的とする。The present invention has been made to solve the above problems, and an object of the present invention is to obtain an electric vehicle guidance obstacle prevention device capable of preventing a malfunction of a signaling device.
この発明に係る電気車用誘導障害防止装置は、機器箱を
車両の車体に箱接地し、集電器側とは反対極を機器箱あ
るいはその近傍の車体に車体接地すると共に機器箱に収
納した接地スイッチを介して整流素子に接続するもので
ある。An electric vehicle guidance obstacle prevention device according to the present invention is configured such that an equipment box is grounded to the vehicle body of the vehicle, and a pole opposite to the collector side is grounded to the equipment box or a vehicle body in the vicinity thereof and is also grounded in the equipment box. It is connected to the rectifying element via a switch.
この発明における制御装置内で発生したdv/dtにより生
じるスパイク電流は、その経路を機器箱の内部あるいは
近傍に集中するので、外部に対する影響が防止される。The spike current generated by dv / dt generated in the control device according to the present invention concentrates its path inside or in the vicinity of the equipment box, so that the influence on the outside is prevented.
以下、この発明の一実施例を図について説明する。第１
図において、第２図、第３図と同一符号の機器部品は同
一のものであり、接地スイッチ（５）は３相インバータ
（３）の機器箱内に収納されている。An embodiment of the present invention will be described below with reference to the drawings. First
In the figure, the equipment parts with the same reference numerals as in FIGS. 2 and 3 are the same, and the ground switch (5) is housed in the equipment box of the three-phase inverter (3).
３相インバータ（３）の内部制御素子のスイッチング制
御に基づいて発生したスパイク電流は、３相インバータ
（３）の導電性機器箱より、箱接地（８）又は車体への
取付部等を通って車体接地（７）、接地スイッチ（５）
を逆流する。この経路を第１図に１点鎖線の矢印で示
す。機器箱の近傍に設けられた車体接地（７）と共にそ
の経路が機器箱の近傍に集中するので、外部に対する影
響が防止される。The spike current generated based on the switching control of the internal control element of the three-phase inverter (3) passes from the conductive equipment box of the three-phase inverter (3) to the box ground (8) or a mounting part to the vehicle body. Body ground (7), ground switch (5)
Regurgitate. This route is indicated by the one-dot chain line arrow in FIG. Since the route is concentrated in the vicinity of the equipment box together with the vehicle body grounding (7) provided in the vicinity of the equipment box, the influence on the outside is prevented.
また、第４図に他の実施例として車体への接地（７）を
３相インバータ（３）の機器箱に接地した場合を示す。
この場合には、スパイク電流の経路が機器箱の内部に集
中するのでさらに効果を上げることができる。FIG. 4 shows another embodiment in which the ground (7) to the vehicle body is grounded to the equipment box of the three-phase inverter (3).
In this case, the spike current paths are concentrated inside the equipment box, so that the effect can be further enhanced.
なお、上記実施例では制御装置を３相インバータで説明
したが、これは、スイッチング制御に基づくスパイク電
流を発生する、電力用制御素子によって構成されたもの
であればよいのでチョッパ装置、整流器及び安定化電源
を供給する無停電電源なども同様に考えられる。Although the control device has been described as a three-phase inverter in the above embodiment, this may be any device that includes a power control element that generates a spike current based on switching control. An uninterruptible power supply that supplies a digitalized power supply is also conceivable.
以上のようにこの発明によればスイッチング制御に基づ
くスパイク電流の経路を機器箱内部あるいは近傍に集中
できるので、外部に対するスイッチング制御に基づくス
パイク電流の影響を防止できる効果がある。As described above, according to the present invention, the path of the spike current based on the switching control can be concentrated inside or in the vicinity of the equipment box, so that the effect of the spike current based on the switching control on the outside can be prevented.
第１図はこの発明の一実施例による電気車誘導障害防止
装置の構成図、第２図は従来の電気車用誘導障害防止装
置の構成図、第３図はスパイク電流の経路を示す説明
図、第４図はこの発明の他の実施例の要部を示す構成図
である。図において、（１）は集電器、（３）は３相イ
ンバータ（制御装置）、（４）は３相誘導電動機（駆動
用電動機）、（７）は車体接地、（８）は箱接地であ
る。 なお各図中、同一符号は同一又は相当部分を示す。FIG. 1 is a block diagram of an electric vehicle guidance obstacle prevention device according to an embodiment of the present invention, FIG. 2 is a configuration diagram of a conventional electric vehicle guidance obstacle prevention device, and FIG. 3 is an explanatory diagram showing a spike current path. FIG. 4 is a block diagram showing the essential parts of another embodiment of the present invention. In the figure, (1) is a current collector, (3) is a three-phase inverter (control device), (4) is a three-phase induction motor (driving motor), (7) is a vehicle body ground, and (8) is a box ground. is there. In each drawing, the same reference numerals indicate the same or corresponding parts.
Claims (1)
防止装置であり、 電気車は、集電器（１）と、この集電器（１）から直流
電力を供給される制御装置（３）とを車両に搭載して、
制御装置（３）で駆動用電動機（４）を制御するもので
あり、 制御装置（３）は、機器箱に電力をスイッチング制御す
る整流素子を収納したものであって、 機器箱を車両の車体に箱接地（８）し、集電器側とは反
対極を機器箱あるいはその近傍の車体に車体接地すると
共に機器箱に収納した接地スイッチ（５）を介して整流
素子に接続し、制御装置（３）のスイッチング制御に基
づくスパイク電流の経路をこの機器箱の内部あるいは近
傍に集中することを特徴とする電気車用誘導障害防止装
置。1. An inductive fault prevention device for an electric vehicle having a control device (3), the electric vehicle comprising a current collector (1) and a control device (3) supplied with DC power from the current collector (1). ) And are mounted on the vehicle,
A control device (3) controls a driving electric motor (4). The control device (3) is a device box in which a rectifying element for switching electric power is housed. The box is grounded to (8), the opposite side of the current collector is grounded to the equipment box or the vehicle body in the vicinity thereof, and is connected to the rectifying element via the grounding switch (5) housed in the equipment box. An electric vehicle induction failure prevention device characterized in that the spike current paths based on the switching control of 3) are concentrated inside or near this equipment box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61056344A JPH0793762B2 (en) | 1986-03-12 | 1986-03-12 | Electric vehicle guidance obstacle prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61056344A JPH0793762B2 (en) | 1986-03-12 | 1986-03-12 | Electric vehicle guidance obstacle prevention device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62213501A JPS62213501A (en) | 1987-09-19 |
| JPH0793762B2 true JPH0793762B2 (en) | 1995-10-09 |
Family
ID=13024612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61056344A Expired - Lifetime JPH0793762B2 (en) | 1986-03-12 | 1986-03-12 | Electric vehicle guidance obstacle prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0793762B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2015173919A1 (en) * | 2014-05-14 | 2017-04-20 | 三菱電機株式会社 | Controller unit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2740954B2 (en) * | 1988-11-29 | 1998-04-15 | 株式会社日立製作所 | Electric vehicle drive |
-
1986
- 1986-03-12 JP JP61056344A patent/JPH0793762B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2015173919A1 (en) * | 2014-05-14 | 2017-04-20 | 三菱電機株式会社 | Controller unit |
| US9871464B2 (en) | 2014-05-14 | 2018-01-16 | Mitsubishi Electric Corporation | Ground structure for control unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62213501A (en) | 1987-09-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |