JP4613743B2 - Switchboard for electric railway substation - Google Patents

Switchboard for electric railway substation Download PDF

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JP4613743B2
JP4613743B2 JP2005231111A JP2005231111A JP4613743B2 JP 4613743 B2 JP4613743 B2 JP 4613743B2 JP 2005231111 A JP2005231111 A JP 2005231111A JP 2005231111 A JP2005231111 A JP 2005231111A JP 4613743 B2 JP4613743 B2 JP 4613743B2
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railway substation
distribution board
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JP2007049811A (en
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実紀 森
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Mitsubishi Electric Corp
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この発明は、電鉄変電所の制御機器等を収納する配電盤に関するものであり、とくに配電盤内の省配線化を図るものである。   The present invention relates to a switchboard that houses control equipment for electric railway substations, and in particular, reduces wiring in the switchboard.

昨今の電鉄変電所用配電盤の設置工事では、電鉄変電所の新設が少ないことから、既設変電所の建屋をそのまま使用して配電盤のみを更新することが増えている。このような配電盤の更新工事では、まず既設変電所の空きスペースに新設配電盤を設置し、新設配電盤の据付試験及び運転開始を経て、既設配電盤を撤去する。ここで、一般に新設配電盤は既設配電盤よりも高度な機能を備えているため、収納される制御機器も増加する傾向にある。   In the recent installation work of distribution substations for electric railway substations, since there are few new installations of electric railway substations, the use of existing substation buildings as they are is increasing only the distribution board. In such a distribution board renewal construction, first, a new distribution board is installed in an empty space of the existing substation, and the existing distribution board is removed after an installation test and operation start of the new distribution board. Here, since the new distribution board generally has a higher function than the existing distribution board, the number of control devices accommodated tends to increase.

従来の技術では、このような配電盤に収納される制御機器の増加に対して、配電盤内の前後に制御機器を配置している。さらに、配電盤内の前後を連通する通線スペースを設けて、とくに前後の制御機器同士を接続する配線を通電スペースに通すことによって、配線の最短化を図っている（例えば、特許文献１参照。）。   In the conventional technology, control devices are arranged before and after the inside of the switchboard in response to an increase in the number of control devices housed in such a switchboard. Furthermore, the wiring space which connects the front and back in a switchboard is provided, and the wiring which connects the control equipment of front and back is especially let through the electricity supply space, and the wiring is shortened (for example, refer patent document 1). ).

特開２００２−２６２４１３号公報（図１、図２）JP 2002-262413 A (FIGS. 1 and 2)

ところで、多くの既設変電所の空きスペースは十分とは言えず、新設配電盤は省スペース化も要求される。しかしながら、従来の技術では、新設配電盤の省スペース化に伴って通電スペースも縮小される場合には、必要本数の配線をこの通電スペースに通すことが難しくなるという問題がある。   By the way, it cannot be said that the empty space of many existing substations is sufficient, and the new distribution board is also required to save space. However, the conventional technique has a problem that it becomes difficult to pass a necessary number of wires through the energized space when the energized space is reduced with the space saving of the new distribution board.

この発明は、上記のような問題点を解決するためになされたものであり、電鉄変電所用配電盤の更新において新設配電盤の省スペース化に伴って通電スペースが縮小されたとしても、制御機器間の接続を十分に確保できるように配電盤内の配線量の削減を図った電鉄変電所用配電盤を提供する。   The present invention has been made to solve the above-described problems, and even when the current-carrying space is reduced with the space saving of the new distribution board in the renewal of the distribution board for electric railway substations, the control equipment is To provide a distribution board for electric railway substations that reduces the amount of wiring in the distribution board so that sufficient connections can be secured.

この発明における電鉄変電所用配電盤は、電鉄変電所の制御を行うための複数の制御機
器と、これらの制御機器間を接続するとともに周期的に情報伝送する通信線と、制御機器の状態を読み込み、電鉄変電所からの電力供給源を切替えるための制御演算を行い、制御演算を行った結果を制御信号として通信線を介して制御機器から情報伝送する一連の処理を周期伝送完了から次の周期伝送開始までの間に実行し、一連の処理開始を周期伝送完了後直ちに開始することによって、電鉄変電所からの電力供給源を切替える区間を電車が進行している間に周期的な情報伝送に伴って発生する情報遅延を回復処理する演算部とを備えるものである。

The distribution board for the railway substation in this invention is a plurality of control devices for controlling the railway substation, a communication line for connecting these control devices and transmitting information periodically, and reading the state of the control device, Performs a control calculation to switch the power supply source from the railway substation, and uses the result of the control calculation as a control signal to transmit information from the control device via the communication line. By executing it before the start and starting a series of processing immediately after the completion of periodic transmission, it is accompanied by periodic information transmission while the train is moving through the section where the power supply source from the railway substation is switched. And an arithmetic unit that performs a recovery process on the information delay that occurs.

この発明によれば、電鉄変電所用配電盤の更新において新設配電盤の省スペース化に伴って通電スペースが縮小されたとしても、制御機器間の接続を十分に確保できるように配電盤内の配線量の削減を図った電鉄変電所用配電盤を提供できる。   According to the present invention, even when the energization space is reduced due to the space saving of the new distribution board in the renewal of the distribution board for the railway substation, the amount of wiring in the distribution board is reduced so that the connection between the control devices can be sufficiently secured. It is possible to provide a distribution board for electric railway substations.

実施の形態１．
図１は、実施の形態１における電鉄変電監視制御システムを説明するための概略図である。電鉄変電所１００は、電力会社の変電所２００より電気を受電し、適切なレベルに変成して電車３００へ電気を供給する。電気の受変電は遮断器、断路器、変圧器などの受変電機器５で行うが、それらの機器の監視制御は配電盤１で行う。また、配電盤１は中央指令２０からの制御指令を受信し、受変電機器５の監視制御状況を中央指令２０へ通知する役割を担う。 Embodiment 1 FIG.
FIG. 1 is a schematic diagram for explaining an electric railway transformation monitoring and control system in the first embodiment. The electric railway substation 100 receives electricity from the electric power company substation 200, transforms it to an appropriate level, and supplies electricity to the train 300. Electric power reception and transformation is performed by the power receiving and transformation equipment 5 such as a circuit breaker, a disconnecting switch, a transformer, and the like. Further, the switchboard 1 receives a control command from the central command 20 and plays a role of notifying the central command 20 of the monitoring control status of the power receiving / transforming device 5.

図２は、実施の形態１における電鉄変電所用配電盤を説明するための構成図である。電鉄変電所用配電盤（配電盤）１には、中央処理装置（ＣＰＵ）２Ａ及び入出力ユニット（Ｉ／Ｏユニット）２Ｂからなる演算部２と、電鉄変電所の制御を行うための複数の制御機器３と、受変電機器インターフェース４とが収納されている。   FIG. 2 is a configuration diagram for explaining a distribution board for a railway substation in the first embodiment. A distribution board (distribution panel) 1 for a railway substation includes a calculation unit 2 including a central processing unit (CPU) 2A and an input / output unit (I / O unit) 2B, and a plurality of control devices 3 for controlling the railway railway substation. And the power receiving / transforming device interface 4 are housed.

Ｉ／Ｏユニット２Ｂと制御機器３と受変電機器インターフェース４とは、それぞれ通信インターフェース１０を有し、これらの通信インターフェース１０を介して通信線９によって接続されている。通信線９としては、例えばフィールドネットワーク用通信線が用いられ、Ｉ／Ｏユニット２Ｂと制御機器３と受変電機器インターフェース４との間で周期的に情報伝送するものである。受変電機器インターフェース４は、複数の電線（盤内配線）７Ａと端子台６と複数の電線（盤外配線）７Ｂを介して受変電機器５に接続されている。   The I / O unit 2 </ b> B, the control device 3, and the power receiving / transforming device interface 4 each have a communication interface 10, and are connected by a communication line 9 via these communication interfaces 10. As the communication line 9, for example, a field network communication line is used, and information is periodically transmitted between the I / O unit 2 </ b> B, the control device 3, and the power receiving / transforming device interface 4. The power receiving / transforming device interface 4 is connected to the power receiving / transforming device 5 via a plurality of electric wires (in-panel wiring) 7A, a terminal block 6, and a plurality of electric wires (outside panel wiring) 7B.

ここで、演算部２、複数の制御機器３および受変電機器インターフェース４間に周期的に情報伝送した場合に発生する情報遅延について説明する。演算部２は受変電機器５の状態や制御機器３の状態を読み込み、制御演算を行った結果を制御信号として受変電機器５へ出力する。受変電機器５や制御機器３の状態の変化があったとしても、周期的に情報伝送を行っているため、状態変化の発生から最大で１周期分遅延して受変電機器５へ到達する。   Here, an information delay that occurs when information is periodically transmitted between the arithmetic unit 2, the plurality of control devices 3, and the power receiving / transforming device interface 4 will be described. The computing unit 2 reads the state of the power receiving / transforming device 5 and the state of the control device 3 and outputs the result of the control computation to the power receiving / transforming device 5 as a control signal. Even if there is a change in the state of the power receiving / transforming device 5 or the control device 3, information is periodically transmitted.

ところで、電鉄変電所は線路に沿って例えば１０〜２０ｋｍ間隔で設置されており、線路上の電車は最寄りの電鉄変電所からの送電によって運行されている。図３は、電車に送電する電鉄変電所電力切換の模式図である。   By the way, the electric railway substations are installed along the track at intervals of, for example, 10 to 20 km, and the train on the railway is operated by power transmission from the nearest electric railway substation. FIG. 3 is a schematic diagram of electric railway substation power switching for transmitting power to a train.

電鉄変電所用配電盤１は、受配電機器５としての遮断器５５などへ制御信号を出力して、電車３００への電力供給源を例えば第１の電鉄変電所１００から第２の電鉄変電所１００へと速やかに切り替える制御を行う。この制御は、電車３００が切換区間内を進行している間に行う必要がある。このとき、上述した演算部２、制御機器３および受変電機器インターフェース４間での情報遅延が発生すると、このような電力供給源の切換制御の遅延につながる。情報遅延が大きければ、電車３００への電力供給源の切換が失敗する。この場合、第１の電鉄変電所１００と第２の電鉄変電所１００は異電源であるために、パンタグラフや架線や第１および第２の電鉄変電所１００に影響が出て、電車３００の運行に支障が出る。   The distribution substation switchboard 1 for electric railway substations outputs a control signal to the circuit breaker 55 or the like as the receiving / distributing equipment 5, and the power supply source to the train 300 is, for example, from the first electric railway substation 100 to the second electric railway substation 100. Control to switch quickly. This control needs to be performed while the train 300 is traveling in the switching section. At this time, if an information delay occurs between the arithmetic unit 2, the control device 3, and the power receiving / transforming device interface 4, the switching control of the power supply source is caused. If the information delay is large, switching of the power supply source to the train 300 fails. In this case, since the first railway substation 100 and the second railway substation 100 are different power sources, the pantograph, the overhead line, the first and second railway substations 100 are affected, and the operation of the train 300 is performed. Troubles.

そこで、この実施の形態では、演算部２において情報遅延の回復処理を行っている。具体的には、周期伝送完了から次の周期伝送開始までの間に情報入力、制御演算、情報出力を実行可能とするように処理を適正化し、かつ、一連の処理開始を周期伝送完了後直ちに開始することによって、周期伝送による制御処理遅延を抑制している。このようにして、電鉄変電所切換区間における電力供給源の切換制御の失敗を防止することができ、そのため電車３００の運行に支障が出ることがない。   Therefore, in this embodiment, the arithmetic unit 2 performs information delay recovery processing. Specifically, the processing is optimized so that information input, control calculation, and information output can be executed from the completion of periodic transmission to the start of the next periodic transmission, and a series of processing start is performed immediately after the completion of periodic transmission. By starting, control processing delay due to periodic transmission is suppressed. In this way, it is possible to prevent a failure in switching control of the power supply source in the railway substation switching section, so that the operation of the train 300 is not hindered.

さらに、この実施の形態によれば、配電盤１内の制御機器３間を通信線９で接続したことによって、従来多くの本数を必要としていた配線を一本の通信線に置き換えたので、配電盤１内の配線量を削減することができる。そのため、電鉄変電所用配電盤の更新において新設配電盤の省スペース化に伴って通電スペースが縮小されたとしても、制御機器３間の接続を十分に確保できる。また、従来配線に使用していたスペースを利用して新たに制御機器３を配置することもできる。   Furthermore, according to this embodiment, since the control devices 3 in the switchboard 1 are connected by the communication line 9, the wiring that conventionally required a large number of wires is replaced with a single communication line. The amount of wiring inside can be reduced. Therefore, even when the energization space is reduced with the space saving of the new distribution board in the renewal of the distribution board for electric railway substations, the connection between the control devices 3 can be sufficiently ensured. In addition, the control device 3 can be newly arranged using the space used for the conventional wiring.

実施の形態２．
図４は、実施の形態２を説明するための電鉄変電所用配電盤の構成図である。この実施の形態は、実施の形態１における受変電機器インターフェース４を配電盤１の外部に設けた変形例である。受変電機器インターフェース４は、受変電機器５の近傍に設けられたリモート制御盤１１に収納されている。配電盤１内において少なくとも１つの制御機器３は、受変電機器インターフェース４と結合できる通信インターフェース１０を備えている。 Embodiment 2. FIG.
FIG. 4 is a configuration diagram of a distribution board for a railway substation for explaining the second embodiment. This embodiment is a modification in which the power receiving / transforming device interface 4 in the first embodiment is provided outside the switchboard 1. The power receiving / transforming device interface 4 is housed in a remote control panel 11 provided in the vicinity of the power receiving / transforming device 5. In the switchboard 1, at least one control device 3 includes a communication interface 10 that can be coupled to the power receiving / transforming device interface 4.

この実施の形態によれば、受変電機器インターフェース４を配電盤１の外部に設けたので、配電盤１の一層の省スペース化を図ることができる。また、受変電機器インターフェース４と受変電機器５とを近接配置できるので、盤外配線７Ｂを短くすることができる。受変電機器インターフェース４と制御機器３を接続する通信線９は長くなるものの、盤外配線７Ｂは複数本からなることから、トータルの配線量を削減することができる。   According to this embodiment, since the power receiving / transforming device interface 4 is provided outside the switchboard 1, further space saving of the switchboard 1 can be achieved. Further, since the power receiving / transforming device interface 4 and the power receiving / transforming device 5 can be arranged close to each other, the external wiring 7B can be shortened. Although the communication line 9 connecting the power receiving / transforming device interface 4 and the control device 3 becomes long, the external wiring 7B is composed of a plurality of wires, so that the total wiring amount can be reduced.

実施の形態１を説明するための電鉄変電監視制御システムの概略図である。1 is a schematic diagram of a railway substation monitoring and control system for explaining Embodiment 1; FIG. 実施の形態１を説明するための電鉄変電所用配電盤の構成図である。It is a block diagram of the switchboard for electric railway substations for describing Embodiment 1. FIG. 実施の形態１を説明するための電鉄変電所電力切換の模式図である。It is a schematic diagram of electric railway substation electric power switching for demonstrating Embodiment 1. FIG. 実施の形態２を説明するための電鉄変電所用配電盤の構成図である。It is a block diagram of the switchboard for electric railway substations for describing Embodiment 2. FIG.

符号の説明Explanation of symbols

１ 電鉄変電所用配電盤、２ 演算部、３ 制御機器、４ 受変電機器インターフェース、５ 受変電機器、９ 通信線、１０ 通信インターフェース、１００ 電鉄変電所。
1 Distribution board for electric railway substation, 2 operation unit, 3 control equipment, 4 receiving / transforming equipment interface, 5 receiving / transforming equipment, 9 communication line, 10 communication interface, 100 railway substation.

Claims (2)

電鉄変電所の制御を行うための複数の制御機器と、これらの制御機器間を接続するとともに周期的に情報伝送する通信線と、前記制御機器の状態を読み込み、前記電鉄変電所からの電力供給源を切替えるための制御演算を行い、前記制御演算を行った結果を制御信号として前記通信線を介して前記制御機器から情報伝送する一連の処理を前記周期伝送完了から次の周期伝送開始までの間に実行し、前記一連の処理開始を周期伝送完了後直ちに開始することによって、前記電鉄変電所からの電力供給源を切替える区間を電車が進行している間に周期的な情報伝送に伴って発生する情報遅延を回復処理する演算部とを備えることを特徴とする電鉄変電所用配電盤。 A plurality of control devices for controlling the railway substation, a communication line for connecting these control devices and transmitting information periodically, and reading the state of the control device, and supplying power from the railway substation A control calculation for switching the source is performed, and a series of processes for transmitting information from the control device via the communication line as a control signal using the result of the control calculation is performed from the completion of the periodic transmission to the start of the next periodic transmission. In the middle, the series of processing start is started immediately after the completion of the periodic transmission, so that the period of transmission of the information is periodically transmitted while the train is traveling through the section for switching the power supply source from the railway substation. A distribution board for a railway substation, comprising: an arithmetic unit that recovers information delay that occurs. 少なくとも一つの制御機器が、当該電鉄変電所用配電盤の外部に設けられた受変電機器インターフェースと結合できる通信インターフェースを備えることを特徴とする請求項１記載の電鉄変電所用配電盤。 The distribution board for a railway substation according to claim 1, wherein the at least one control device includes a communication interface that can be coupled to a receiving / transforming equipment interface provided outside the distribution board for the railway substation.
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* Cited by examiner, † Cited by third party
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CN110593434A (en) * 2019-08-26 2019-12-20 南通通博设备安装工程有限公司 Mounting structure and construction method for power distribution cabinet of light wall of building

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