【０００１】[0001]
【産業上の利用分野】この発明は、直流式電気鉄道のき
電回路の故障保護装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a failure protection device for a feeder circuit of a DC type electric railway.
【０００２】[0002]
【従来の技術】図３は従来のき電回路の故障保護装置を
示す電力系統図であり、図において、１ａ〜１ｄは各き
電回路９ａ〜９ｄ毎の電流値を検出する電流検出器、２
ａ〜２ｄは電流検出器１ａ〜１ｄにより検出された電流
値から各々の電流波形を分析するデータ処理器である。
３ａ，３ｂは電気車、８ａ〜８ｄは各き電回路９ａ〜９
ｄの遮断器、１０ａ〜１０ｃは電車線のき電区分、１２
はレールである。2. Description of the Related Art FIG. 3 is a power system diagram showing a conventional feeder circuit failure protection device. In the figure, 1a to 1d are current detectors for detecting the current values of the feeder circuits 9a to 9d, respectively. Two
Reference characters a to 2d are data processors that analyze the respective current waveforms from the current values detected by the current detectors 1a to 1d.
3a and 3b are electric vehicles, and 8a to 8d are feeder circuits 9a to 9 respectively.
circuit breaker of 10d, 10a to 10c are power line feeder sections, 12
Is a rail.
【０００３】次に動作について説明する。図３におい
て、電流検出器１ａ〜１ｄは各き電回路９ａ〜９ｄ毎の
電流値を検出し、データ処理器２ａ〜２ｄは電流検出器
１ａ〜１ｄにより検出された電流値から各々の電流波形
を分析し、その電流波形の変化から、電車線のき電区分
１０ａ〜１０ｃ毎にき電回路の故障を判定する。なお、
電流波形の変化を利用した直流電流き電回路の故障保護
装置として、特開昭６３−１４５１４０号公報がある。Next, the operation will be described. In FIG. 3, the current detectors 1a to 1d detect the current values of the feeding circuits 9a to 9d, and the data processors 2a to 2d calculate the respective current waveforms from the current values detected by the current detectors 1a to 1d. Is analyzed, and a failure of the feeder circuit is determined for each feeder section 10a to 10c from the change in the current waveform. In addition,
Japanese Patent Laid-Open No. 63-145140 discloses a failure protection device for a DC current feeding circuit that utilizes changes in current waveform.
【０００４】[0004]
【発明が解決しようとする課題】従来のき電回路の故障
保護装置は以上のように構成されているので、例えば、
一つのき電区分１０ｂ内に加速等で力行している電気車
３ａと減速等で回生している電気車３ｂが同時に走行し
ている場合、力行している電気車３ａは回生している電
気車３ｂの回生電流を消費するので、変電所からき電さ
れる電流は小さな値になる。このような時に、回生して
いる電気車３ｂが何らかの都合で回生を瞬時に中断した
場合、力行している電気車３ａに必要な電流は全て変電
所から瞬時にき電しなければならず、この時のき電回路
９ｂ，９ｃに流れるき電電流の様相は故障電流の様相と
類似しており、データ処理器２ａ〜２ｄが誤った判定を
してしまう場合がある。このように、故障電流の様相は
一様ではなく、正常時の負荷電流と同様な場合があり、
電流波形による判定方式では誤動作を起こす危険性があ
るなどの問題点があった。Since the conventional failure protection device for the feeder circuit is constructed as described above, for example,
When the electric vehicle 3a that is powering by acceleration or the like and the electric vehicle 3b that is regenerating by deceleration or the like are traveling at the same time in one feeder section 10b, the powering electric vehicle 3a is Since the regenerative current of the car 3b is consumed, the current supplied from the substation has a small value. In such a case, if the regenerating electric vehicle 3b instantaneously interrupts the regeneration for some reason, all the electric current required for the powering electric vehicle 3a must be instantaneously supplied from the substation. The appearance of the feeding current flowing in the feeding circuits 9b and 9c at this time is similar to the appearance of the fault current, and the data processors 2a to 2d may make an erroneous determination. In this way, the appearance of the fault current is not uniform and may be the same as the load current under normal conditions.
The determination method based on the current waveform has problems such as a risk of malfunction.
【０００５】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、故障電流を正確に判定できるき
電回路の故障保護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 provide a failure protection device for a feeder circuit capable of accurately determining a failure current.
【０００６】[0006]
【課題を解決するための手段】この発明に係るき電回路
の故障保護装置は、電車線内に供給される各き電回路毎
の電流値であるき電回路電流データと共に、き電回路が
供給した電車線のき電区分に応じた区分データとを送信
するき電電流送信手段と、電気車内へ供給される電流値
である電気車電流データと共に、その電気車に供給した
電車線のき電区分に応じた区分データを送信する電気車
電流送信手段と、それらき電電流送信手段および電気車
電流送信手段に同時に検出指令信号を送信すると共に、
それらき電電流送信手段および電気車電流送信手段から
送出された各データから電車線のき電区分毎のき電回路
電流データと電気車電流データとをそれぞれ積算し、そ
の積算されたデータ相互の比較に基づき故障と判定した
場合き電回路の遮断器に遮断信号を送信する指令手段と
を備えたものである。A failure protection device for a feeder circuit according to the present invention is provided by a feeder circuit together with feeder circuit current data, which is a current value for each feeder circuit supplied in an electric power line. The feeding current transmitting means for transmitting the classification data according to the feeding classification of the train line, and the electric car current data, which is the current value supplied to the inside of the electric car, together with the feeder of the electric line supplied to the electric car. Electric vehicle current transmitting means for transmitting the classification data according to the classification, and simultaneously transmitting the detection command signal to the feeding current transmitting means and the electric vehicle current transmitting means,
From the respective data sent from the feeding current transmitting means and the electric vehicle current transmitting means, the feeding circuit current data and the electric vehicle current data for each feeding line classification of electric trains are respectively integrated, and the accumulated data are mutually reciprocated. And a command means for transmitting a cutoff signal to the breaker of the feeder circuit when it is determined to be faulty based on the comparison.
【０００７】[0007]
【作用】この発明におけるき電回路の故障保護装置は、
き電電流送信手段により各き電回路毎の電車線内に供給
される電流値を検出し、き電回路電流データとして指令
手段に送信すると共に、その検出したき電回路の電車線
のき電区分を区分データとして指令手段に送信する。ま
た、電気車電流送信手段により、電気車内に供給される
電流値を検出し、電気車電流データとして指令手段に送
信すると共に、その電流値検出時その電気車に供給した
電車線のき電区分を区分データとして指令手段に送信す
る。さらに、指令手段により、電車線のき電区分毎にき
電回路電流データと電気車電流データとをそれぞれ積算
し、その積算されたデータの比較に基づき故障と判定し
た場合、き電回路の遮断器に遮断信号を送信する。The failure protection device for the feeder circuit according to the present invention comprises:
The feeding current sending means detects the current value supplied to the inside of the power line of each feeding circuit and sends it to the command means as feeding circuit current data. The division is transmitted to the command means as division data. Further, the electric vehicle current transmitting means detects the current value supplied to the inside of the electric vehicle and transmits it as electric vehicle current data to the commanding means, and at the time of detecting the current value, the feeding line classification of the train line supplied to the electric vehicle. Is transmitted to the command means as classification data. Further, the command means integrates the feeder circuit current data and the electric car current data for each feeder classification of the electric power line, and when the failure is determined based on the comparison of the integrated data, the feeder circuit is shut off. A cutoff signal to the container.
【０００８】[0008]
実施例１．以下、この発明の一実施例を図について説明
する。図１において、１ａ〜１ｄは各き電回路９ａ〜９
ｄ毎の電流値を検出する電流検出器、３ａ，３ｂは電気
車、４ａ〜４ｄは電流検出器１ａ〜１ｄにより検出され
た電流値をき電回路電流データとして指令所（指令手
段，図示せず）に送信すると共に、その電流検出器１ａ
〜１ｄが検出したき電回路９ａ〜９ｄの電車線のき電区
分１０ａ〜１０ｃを区分データとして指令所に送信する
送受信器であり、電流検出器１ａ〜１ｄとともにき電電
流送信手段を構成する。５ａ，５ｂは電気車３ａ，３ｂ
内に供給される電流値を検出する電気車内電流検出器、
６ａ，６ｂは電気車内電流検出器５ａ，５ｂにより検出
された電流値を電気車電流データとして指令所に送信す
ると共に、その電流値検出時、電気車３ａ，３ｂに供給
した電車線のき電区分１０ａ〜１０ｃを区分データとし
て指令所に送信する電気車内送受信器であり、電気車内
電流検出器５ａ，５ｂとともに電気車電流送信手段を構
成する。７ａ，７ｂは電車線のき電区分１０ａ〜１０ｃ
に応じて設けられた位置表示器を検知し、電気車３ａ，
３ｂが走行するき電区分１０ａ〜１０ｃを区分データと
して電気車内送受信器６ａ，６ｂに送出する位置検知器
である。８ａ〜８ｄは各き電回路９ａ〜９ｄの遮断器、
１２はレールである。Example 1. An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, 1a to 1d are feeding circuits 9a to 9 respectively.
A current detector for detecting a current value for each d, 3a and 3b are electric cars, and 4a to 4d are current values detected by the current detectors 1a to 1d as feeder circuit current data. No.) and the current detector 1a
Is a transmitter / receiver that transmits the feeder lines 10a to 10c of the feeder circuits 9a to 9d detected by the to 1d to the command station as the segment data, and constitutes the feeder current transmitting means together with the current detectors 1a to 1d. . 5a and 5b are electric cars 3a and 3b
Electric vehicle in-vehicle current detector, which detects the current value supplied to the inside
6a and 6b transmit the electric current value detected by the electric vehicle internal current detectors 5a and 5b to the command station as electric vehicle electric current data, and at the time of detecting the electric current value, feed the electric power line 3a, 3b It is an electric vehicle internal transmitter / receiver that transmits the classifications 10a to 10c as classification data to the command station, and constitutes electric vehicle current transmission means together with the electric vehicle internal current detectors 5a and 5b. 7a and 7b are feeder sections 10a to 10c for train lines
The electric vehicle 3a, which detects the position indicator provided according to
3b is a position detector that sends the feeder sections 10a to 10c on which 3b is traveling to the electric vehicle transceivers 6a and 6b as division data. 8a to 8d are circuit breakers for the feeding circuits 9a to 9d,
12 is a rail.
【０００９】図２は指令所（指令手段）を示すブロック
図であり、図において、１３は送受信器４ａ〜４ｄおよ
び電気車内送受信器６ａ，６ｂに同時に検出指令信号を
送出するサンプリングタイミング送信器、１４はその送
受信器４ａ〜４ｄおよび電気車内送受信器６ａ，６ｂか
らのデータを受信するデータ受信器、１５はデータの積
算等を行う演算器、１６は演算器１５による積算された
データの比較に基づき正常および故障の判定を行う判定
器、１７は判定器１６が故障と判定した場合、各き電回
路の遮断器８ａ〜８ｄを動作させる遮断信号を送信する
信号発信器である。FIG. 2 is a block diagram showing a command station (command means). In the figure, 13 is a sampling timing transmitter for simultaneously sending detection command signals to the transceivers 4a to 4d and the in-vehicle transceivers 6a and 6b. Reference numeral 14 is a data receiver for receiving data from the transceivers 4a to 4d and the electric vehicle transceivers 6a, 6b, 15 is an arithmetic unit for accumulating data, and 16 is a comparison of the data accumulated by the arithmetic unit 15. A determiner for determining normality and a failure based on the reference numeral 17 is a signal transmitter for transmitting a cutoff signal for operating the breakers 8a to 8d of each feeder circuit when the determiner 16 determines a failure.
【００１０】次に動作について説明する。まず、指令所
において、サンプリングタイミング送信器１３より、送
受信器４ａ〜４ｄと電気車内送受信器６ａ，６ｂとに同
時に検出指令信号を送出する。検出指令信号を受信した
送受信器４ａ〜４ｄでは、電流検出器１ａ〜１ｄにより
検出された各き電回路９ａ〜９ｄの電流値をき電回路電
流データとして指令所のデータ受信器１４に送信すると
共に、その電流検出器１ａ〜１ｄが検出したき電回路９
ａ〜９ｄの電車線のき電区分１０ａ〜１０ｃの区分番号
を区分データとしてデータ受信器１４に送信する。ま
た、同じく検出指令信号を受信した電気車内送受信器６
ａ，６ｂでは、電気車内電流検出器５ａ，５ｂにより検
出された電気車３ａ，３ｂ内に供給される電流値を電気
車電流データとして指令所のデータ受信器１４に送信す
ると共に、位置検知器７ａ，７ｂが位置表示器１１ａ，
１１ｂを検知するすることにより得られる電車線のき電
区分１０ａ〜１０ｃに応じた区分番号を区分データとし
てデータ受信器１４に送信する。Next, the operation will be described. First, at the command station, the sampling timing transmitter 13 simultaneously sends detection command signals to the transceivers 4a to 4d and the electric vehicle transceivers 6a and 6b. In the transceivers 4a to 4d that have received the detection command signal, the current values of the feeder circuits 9a to 9d detected by the current detectors 1a to 1d are transmitted to the data receiver 14 of the command station as feeder circuit current data. Together with the feeder circuit 9 detected by the current detectors 1a to 1d.
The division numbers of the feeder divisions 10a to 10c of the train lines a to 9d are transmitted to the data receiver 14 as division data. Also, the electric vehicle transmitter / receiver 6 that also received the detection command signal
In a and 6b, the current value supplied to the electric vehicles 3a and 3b detected by the electric vehicle current detectors 5a and 5b is transmitted as electric vehicle current data to the data receiver 14 of the command station, and the position detector is also provided. 7a and 7b are position indicators 11a,
The division number corresponding to the feeder divisions 10a to 10c of the electric power line obtained by detecting 11b is transmitted to the data receiver 14 as division data.
【００１１】指令所のデータ受信器１４では、その送受
信器４ａ〜４ｄおよび電気車内送受信器６ａ，６ｂから
のデータを受信し、演算器１５に送出する。演算器１５
では、電車線のき電区分の区分番号毎にき電回路電流デ
ータと電気車電流データとをそれぞれ積算し、区分番号
毎の総和を求め判定器１６に送出する。判定器１６で
は、き電区分毎のき電回路電流データの総和と電気車電
流データの総和とを比較する。ここで、き電回路電流デ
ータの総和と電気車電流データの総和とが等しい場合、
正常状態と判定する。また、き電回路電流データの総和
の方が電気車電流データの総和よりも大きい場合、地絡
等による故障状態と判定し、信号発信器１７より該当す
るき電回路の遮断器８ａ〜８ｄに遮断信号を送信する。The data receiver 14 at the command station receives the data from the transceivers 4a-4d and the in-vehicle transceivers 6a, 6b and sends it to the calculator 15. Calculator 15
Then, the feeder circuit current data and the electric vehicle current data are integrated for each classification number of the distribution line of the train line, and the sum total for each classification number is obtained and sent to the determiner 16. The determiner 16 compares the sum of the feeder circuit current data for each feeder category with the sum of the electric vehicle current data. Here, when the sum of the feeder circuit current data and the sum of the electric vehicle current data are equal,
Judge as normal. If the sum of the feeding circuit current data is larger than the sum of the electric vehicle current data, it is determined that the fault state is caused by a ground fault or the like, and the signal transmitter 17 causes the breakers 8a to 8d of the corresponding feeding circuit to be detected. Send a cutoff signal.
【００１２】なお、上記実施例では指令所を一箇所とし
たが、規模の大きさに応じて複数箇所設けてもよく、分
散配置してもよい。さらに、電車線のき電区分毎に指令
所を設けてもよく、この場合の区分データは省略するこ
とができる。In the above-mentioned embodiment, the command place is one place, but it may be provided at a plurality of places according to the size of the scale or may be distributed. Further, a command station may be provided for each feeder section of the train line, and the section data in this case can be omitted.
【００１３】[0013]
【発明の効果】以上のように、この発明によればき電電
流送信手段から送信された各き電回路毎の電車線内に供
給される電流値であるき電回路電流データと電気車電流
送信手段から送信された電気車内へ供給される電流値で
ある電気車電流データとを電車線のき電区分毎にそれぞ
れ積算し、その積算されたデータ相互の比較に基づき故
障と判定した場合、き電回路の遮断器を動作させる動作
信号を送信する指令手段を備えるように構成したので、
誤動作を起こすことなく、故障電流を正確に判定できる
き電回路の故障保護装置が得られる効果がある。As described above, according to the present invention, the feeder circuit current data and the electric car current transmission, which are the current values supplied from the feeder current transmitting means to the inside of the train line for each feeder circuit. When the electric car current data, which is the electric current value supplied to the electric car transmitted from the means, is integrated for each feeding line classification of the train lines, and when it is determined that there is a failure based on the mutual comparison of the integrated data, Since it is configured to have a command means for transmitting an operation signal for operating the circuit breaker,
There is an effect that a failure protection device for a feeder circuit can be obtained which can accurately determine a failure current without causing a malfunction.
【図１】この発明の一実施例によるき電回路の故障保護
装置を示す電力系統図である。FIG. 1 is a power system diagram showing a failure protection device for a feeder circuit according to an embodiment of the present invention.
【図２】この発明における指令所を示すブロック図であ
る。FIG. 2 is a block diagram showing a command place according to the present invention.
【図３】従来のき電回路の故障保護装置を示す電力系統
図である。FIG. 3 is a power system diagram showing a conventional failure protection device for a feeder circuit.
１ａ〜１ｄ 電流検出器（き電電流送信手段） ３ａ，３ｂ 電気車 ４ａ〜４ｄ 送受信器（き電電流送信手段） ５ａ，５ｂ 電気車内電流検出器（電気車電流送信手
段） ６ａ，６ｂ 電気車内送受信器（電気車電流送信手段） ８ａ〜８ｄ 遮断器 ９ａ〜９ｄ き電回路 １０ａ〜１０ｃ き電区分1a to 1d Current detector (feeding current transmitting means) 3a, 3b Electric vehicle 4a to 4d Transceiver (feeding current transmitting means) 5a, 5b Electric vehicle in-vehicle current detector (electric vehicle current transmitting means) 6a, 6b Inside electric vehicle Transceiver (electric vehicle current transmitting means) 8a to 8d Circuit breaker 9a to 9d Feeding circuit 10a to 10c Feeding section
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成４年１０月２７日[Submission date] October 27, 1992
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００１[Correction target item name] 0001
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【０００１】[0001]
【産業上の利用分野】この発明は、電気鉄道のき電回路
の故障保護装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a failure protection device for a feeder circuit of anelectric railway .
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4192756AJPH0616070A (en) | 1992-06-29 | 1992-06-29 | Failure protection device for feeder circuit |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4192756AJPH0616070A (en) | 1992-06-29 | 1992-06-29 | Failure protection device for feeder circuit |
| Publication Number | Publication Date |
|---|---|
| JPH0616070Atrue JPH0616070A (en) | 1994-01-25 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4192756APendingJPH0616070A (en) | 1992-06-29 | 1992-06-29 | Failure protection device for feeder circuit |
| Country | Link |
|---|---|
| JP (1) | JPH0616070A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998058832A1 (en)* | 1997-06-23 | 1998-12-30 | Aft Automatisierungs- Und Fördertechnik Gmbh | Shop floor conveyor system with guided conveyor vehicles |
| JP2002187552A (en)* | 2000-12-21 | 2002-07-02 | Hitachi Ltd | Electric railway power system control method and device |
| KR100743177B1 (en)* | 2005-12-19 | 2007-07-27 | 서울메트로 | Catenary section protection and protection |
| JP2015067241A (en)* | 2013-09-30 | 2015-04-13 | 株式会社東芝 | Dc feeding protection control system |
| FR3041573A1 (en)* | 2015-09-30 | 2017-03-31 | Alstom Transp Tech | IMPROVED SYSTEM FOR SUPPLYING AN AIR CONTACT LINE |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998058832A1 (en)* | 1997-06-23 | 1998-12-30 | Aft Automatisierungs- Und Fördertechnik Gmbh | Shop floor conveyor system with guided conveyor vehicles |
| JP2002187552A (en)* | 2000-12-21 | 2002-07-02 | Hitachi Ltd | Electric railway power system control method and device |
| KR100743177B1 (en)* | 2005-12-19 | 2007-07-27 | 서울메트로 | Catenary section protection and protection |
| JP2015067241A (en)* | 2013-09-30 | 2015-04-13 | 株式会社東芝 | Dc feeding protection control system |
| FR3041573A1 (en)* | 2015-09-30 | 2017-03-31 | Alstom Transp Tech | IMPROVED SYSTEM FOR SUPPLYING AN AIR CONTACT LINE |
| EP3150425A1 (en)* | 2015-09-30 | 2017-04-05 | ALSTOM Transport Technologies | Improved power supply system for an overhead contact line |
| US10086719B2 (en) | 2015-09-30 | 2018-10-02 | Alstom Transport Technologies | Power supply system for an overhead contact line |
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