JPS58186331A - Device for protecting regenerative substation for electric railway - Google Patents

Device for protecting regenerative substation for electric railway

Info

Publication number
JPS58186331A
JPS58186331A JP6812682A JP6812682A JPS58186331A JP S58186331 A JPS58186331 A JP S58186331A JP 6812682 A JP6812682 A JP 6812682A JP 6812682 A JP6812682 A JP 6812682A JP S58186331 A JPS58186331 A JP S58186331A
Authority
JP
Japan
Prior art keywords
thyristor
converter
regenerative
substation
circuit
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.)
Granted
Application number
JP6812682A
Other languages
Japanese (ja)
Other versions
JPS6353771B2 (en
Inventor
本間 康司
渋谷 忠士
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Meidensha Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Priority to JP6812682A priority Critical patent/JPS58186331A/en
Publication of JPS58186331A publication Critical patent/JPS58186331A/en
Publication of JPS6353771B2 publication Critical patent/JPS6353771B2/ja
Granted legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 本発明は電鉄用回生変電所の保a装置に関し、4?にサ
イリスタ変換器の転成失敗によるil!l放置を防よし
た保Va装置に関する、 w41図は電鉄用回生変電所の主回路構成を示す。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an aa maintenance device for a regenerative substation for electric railways. il! due to failure of thyristor converter conversion. Figure W41 shows the main circuit configuration of a regenerative substation for electric railways, regarding a Va preservation device that prevents neglect.

サイリスタ変換器lは電車20力行運転にはl1lll
li g換器として機能し、サイリスクの位相制御によ
って交流鑞力を定格電圧の直流゛電力にf換する。サイ
リスタ変換器lの百R出力は転成リアクトル3と回生カ
行切換!i#4Y通して電層2に供給0回にはサイリス
タスイッチ4s、42%ニオ7状mにし、変換器lから
カットオフ用ダイオード41−電車2−カットオフ用ダ
イオード44−転流リアクトル3t/通したカ行運転回
路を構成し、電120回生時にはサイリスタスイッチ4
s*42’tオン状礁にし、IIL電2からすイリスタ
スイッチ41−転流リアクドル3−f換器l−サイリス
タスイッチ42を通した図示の電fiIによる回生運転
回路を構成する1、この回生時にはサイリスタ変換al
が逆変換器として411!する。
Thyristor converter l is l1llll for train 20 power running.
It functions as a lig converter, and converts AC soldering force into DC power at the rated voltage by controlling the phase of the SiRisk. The 100R output of the thyristor converter 1 is switched between the conversion reactor 3 and the regeneration power! i#4Y is supplied to the conductive layer 2 at the 0th time, the thyristor switch 4s, 42% nitrogen is set to 7 m, and the converter l is connected to the cutoff diode 41 - electric train 2 - cutoff diode 44 - commutation reactor 3t/ When regenerating 120 volts, the thyristor switch 4
1, this Thyristor conversion al during regeneration
is 411 as an inverse converter! do.

こうした電鉄用回生変電所において、回生運転d#にサ
イリスタ変換slにサイリスタの転流失敗が起きると、
転fi リアクトル3のlIEfillMがしゃ断され
て該リアクトルSに高電圧が発生し1、この高電圧に因
って変換器lの絶繊破壊など周辺設備な破横ひいては蕾
電所機能停止になる恐れがあった。
In such a regenerative substation for electric railways, if thyristor commutation failure occurs in thyristor conversion sl during regenerative operation d#,
When the IEfillM of the reactor 3 is cut off, a high voltage is generated in the reactor S1, and this high voltage may cause damage to the surrounding equipment, such as the destruction of the converter L, and even the power station's outage. was there.

本発明の目的はサイリスタ変換器の転流失敗時に転訛り
アクドルが持つエネルギーを速やかに@敗させて装置故
障発生を防止するようにした保護f!置を提供するKあ
る。
The object of the present invention is to promptly dissipate the energy of the transverse accelerator when the commutation of the thyristor converter fails, thereby preventing equipment failure. There is a K that provides the location.

本発明は、サイリスタ変換器の転成失敗な検出したとき
[11サイリスタ習換器の上下1アームを強制点弧する
と共に回生カ行切換1i111f11つのすイリスタス
イッチを点弧することにより転置リアクトルの電流循環
路を構成してそのエネルギーY発敗させると共にサイリ
スタスイッチの残りの1つを消弧させて回生電流路をし
ゃ断することを特徴とする。
When the present invention detects a failure in the transfer of the thyristor converter, it forcibly fires the upper and lower arms of the thyristor converter and also fires the regenerative power switch 1i111f1, thereby causing the current in the displacement reactor to ignite. The present invention is characterized in that a circulation path is formed and its energy Y is turned off, and the remaining one of the thyristor switches is extinguished to cut off the regenerative current path.

以下、本発明の一実施例を詳細に説明するゆ纂2図は本
発明による保athieの礪略構成な示す。保−***
はサイリスタ変換器1の出力電圧検出器6の構出電圧か
ら変換器lの転流失敗を検出することで保−動作を開始
する。その保a11様は、サイリスタf換alのうち上
下アーム1lli所を点弧させる1flJI1111と
サイリスタスイッチ42を点弧させる制御t’jlli
L、−流リアクトル3のエネルギー4を変換41とサイ
リスタスイッチ42.ダイオード44を転置りアクドル
3通したut環路で消費させるゆ同時に、サイリスタス
イッチ41を消弧させるIIII#を施し、電*2から
の一生電流をしゃ断させ。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The following is a detailed explanation of an embodiment of the present invention, and FIG. Protection - ***
starts the maintenance operation by detecting commutation failure of the converter l from the output voltage detector 6 of the thyristor converter 1. The maintenance a11 has 1flJI1111 that fires the upper and lower arms 1lli of the thyristor f exchange al, and a control t'jlli that fires the thyristor switch 42.
L, converts the energy 4 of the -flow reactor 3 41 and the thyristor switch 42. While the diode 44 is transposed and consumed in the ut ring path through which the accelerator 3 is passed, III# is applied to extinguish the thyristor switch 41 to cut off the lifetime current from the electricity*2.

−生電流が転fi 17アクトルの電流路に處れるのを
抑止して該転流リアクトルのエネルギー消費を早める。
- Preventing the raw current from interfering with the current path of the commutation reactor and hastening the energy consumption of the commutation reactor.

また変換alf′)残りのサイリスタを消弧させて9!
處肯とのしや1rtを行なう。
Also, convert alf') Extinguish the remaining thyristors and 9!
Performed 1st rt with Cheon.

転流リアクトル3のエネルギー発散終了時には、サイリ
スタ変換器lの出力電流検出a7からの電流零検出信号
&Cjつて、保si*tstt保mtlIImv停止し
、運営の変電所機能に戻す、 第3図は保III装置Sの具体的な構成を示す。破線ブ
ロックで示す保ll11ii置Sは電圧検出器6の横出
鑞圧を転流失敗検出回路S、の検出入力として皐込み、
検出電圧が一定値以下に低下したことによって転流失敗
と判定し、この判定出力には411埋III信号を得る
。この伝流失敗検出回路は例えば@4図に示す構成にし
て実現される。纂4図において、電圧検出器6の直流出
力は抵抗R1と7オトカプラ入力ダイオードD1の1列
回路に印面され、検出電圧のレベルが一定値以下になる
ときに人力ダイオードDsがそれまでの点灯状態から消
灯状噛に変る。
When the energy dissipation of the commutation reactor 3 is completed, the current zero detection signal &Cj from the output current detection a7 of the thyristor converter l is output, and the maintenance si*tstt maintenance mtlIImv is stopped and the operation substation function is returned to. A specific configuration of the III device S is shown. A holding circuit S indicated by a broken line block uses the side brazing pressure of the voltage detector 6 as a detection input for a commutation failure detection circuit S.
When the detected voltage falls below a certain value, it is determined that commutation has failed, and a 411-fill III signal is obtained as the determination output. This conduction failure detection circuit is realized, for example, by the configuration shown in Figure @4. In Figure 4, the DC output of the voltage detector 6 is applied to a single-line circuit consisting of a resistor R1 and a 7-coupler input diode D1, and when the level of the detected voltage falls below a certain value, the human diode Ds switches to the previous lighting state. It turns into a light-out state.

この変化はフォトカプラの出力トランジスタTr。This change occurs in the output transistor Tr of the photocoupler.

がオン状態からオフ状111に変化してその出力に論理
レベルのハイレベル状幡を得るゆ 保5ilItsは、転流失敗検出回路S1の検出信号を
アンド回路5鵞の一方の入力とし、その他方の入力Kg
換slのJ&と停止状態に対応するスタート信号を入カ
ー転g#にスタート信号は11を出力する)とし、−儀
件の同時成立によってアンド回路S!に4111’l・
出力を得てメモリ回路(7リツプフロツプ)Is島をそ
れまでのリセット状態からセット状4に変える。メモリ
回路B、のセット出力はゲートしゃ断信号発生回路5−
&びゲートオン信号発生回路S、の起動指令にされる。
changes from the on state to the off state 111 and obtains a logic high level signal at its output.The detection signal of the commutation failure detection circuit S1 is used as one input of the AND circuit 5, and the other is input to the AND circuit 5. input kg
The start signal corresponding to J& of the converter SL and the stopped state is set to the input car transfer g#, and the start signal outputs 11), and the simultaneous establishment of the -condition causes the AND circuit S! 4111'l・
The output is obtained and the memory circuit (7 lip-flops) Is island is changed from the reset state to the set state 4. The set output of memory circuit B is gate cutoff signal generation circuit 5-
& gate-on signal generating circuit S.

ゲートしゃ断信号輪生11;II kl18 mは、ず
イリスタ変換!11のゲート回路8に4備する各相ゲー
ト回路X、Y、Z、U、V、Wのうちυ、V、X、Y 
の上下l相分のゲートしゃ断信号を発生し、変換器lの
すイリスタ’rhU # ’I’hv −Th□。
Gate cutoff signal wheel generation 11; II kl18 m is Zuiristar conversion! υ, V, X, Y among the four phase gate circuits X, Y, Z, U, V, W provided in the 11 gate circuits 8
It generates gate cutoff signals for upper and lower l phases of converter l's iris register 'rhU #'I'hv -Th□.

ThYの点弧ゲート信号をしゃ断して夫々のサイリスタ
v/?I!弧させる。ゲートオン信号発生回路11は各
相ゲート回路のうちW、Zの上下l相分のゲートオン信
号を発生し、変換器!のすイリスタ′rhW。
The firing gate signal of ThY is cut off and each thyristor v/? I! Make an arc. The gate-on signal generation circuit 11 generates gate-on signals for the upper and lower l phases of W and Z among the gate circuits of each phase, and converts the gate circuits! Nosu Irista'rhW.

’l’hsを点弧させる。Fire 'l'hs.

また、ゲートしゃ断信号発生回路S4は回生カ行切換装
置4に真備する!ペリスタスイッチ41 I 4゜のゲ
ート回路9のうちサイリスタスイッチ41のゲート回路
LKゲートしゃ断信−ev与え、該ゲート回路11*に
より量イリスタスイッチ4唱を強制消弧させる。ゲート
オン信号発生口1lIsIIはゲート回II9のうちゲ
ート回路9!にゲートオン信号を与え、該ゲート回路9
!によりサイリスタスィッチ4驚vI!i!1制点弧さ
せる。
Furthermore, the gate cutoff signal generation circuit S4 is provided in the regeneration power switching device 4! The gate circuit LK gate of the thyristor switch 41 among the gate circuits 9 of the peristor switch 41 I 4° is given a disconnection -ev, and the gate circuit 11* is forced to extinguish the iris 4 switch. The gate-on signal generation port 1lIsII is the gate circuit 9 of the gate circuit II9! A gate-on signal is applied to the gate circuit 9.
! By Thyristor Switch 4 Surprise vI! i! Let's score a 1st victory.

保睡装置sr>*口電流検出回路S6は電流検出器7の
検出信号を入力とし、該検出信号がゼCIKなるときに
論理・II小出力得、この出力はメモリ回路S暴のリセ
ット信号として使われる。
Sleep protection device sr> *The mouth current detection circuit S6 inputs the detection signal of the current detector 7, and when the detection signal becomes zero CIK, a logic II small output is obtained, and this output is used as a reset signal for the memory circuit S. used.

こうした保−装置Sは回生変電所の制#装置と一体に@
込まれる4回生変電所の制a’i装置は電車2に給電す
る41!縁電圧の構出i言号VTと設定電圧V。
Such a maintenance device S is integrated with the control device of the regenerative substation.
The control a'i device of the 4th regeneration substation that is installed supplies power to train 2.41! The word VT of the edge voltage and the set voltage V.

の大小を比較器10で横出し、この比較器10か回虫と
カ行の判定部となってサイリスタスイッチ41 e、 
4Nのゲート回路9にオン・オフ指令を与えると共[1
イリスタ蜜換器1を願豐僕器として運転するか逆変換器
として運転するかの切換信号をアナログスイッチ11ム
とIIBに与える。アナログスイッチ11人 はサイリ
スタ変換!1の[流−電圧検出器6の検出電圧を同極性
で得る変換aH1と逆極性で得る変換器129の夫々の
出力な切換えて取出し、アナログスイッチIIBは回虫
とカ行のための夫々の直流電圧設定器13. 、131
1の設定電圧を切換えて畷出す。両アナログスイッチI
IAと11Bの出力は突合わして電圧制御増幅器14で
増幅し、増幅出力を位相制−指會として位相制御回路I
Bから各相のゲート回路@にゲート信号を与える。
The comparator 10 outputs the magnitude of , and this comparator 10 serves as a determination unit for roundworms and mosquitoes and connects the thyristor switch 41 e,
While giving on/off commands to the 4N gate circuit 9, [1
A switching signal indicating whether the Iristor converter 1 is operated as a converter or an inverse converter is given to the analog switch 11 and IIB. 11 analog switches are converted to thyristors! The analog switch IIB converts the detected voltage of the current-voltage detector 6 with the same polarity to the output of the converter 129 to obtain the same polarity, and the output of the converter 129 with the opposite polarity. Voltage setting device 13. , 131
Switch the set voltage of step 1 and start the operation. Both analog switches I
The outputs of IA and 11B are matched and amplified by a voltage control amplifier 14, and the amplified output is used as a phase control circuit to control the phase control circuit I.
A gate signal is given from B to the gate circuit @ of each phase.

この制御111fKよる回生運転中、すイリスタ変換器
lに転流失敗が発生すると、保@装置Sは転流失敗検出
によりメモリ回路5慕をセットし、このセット出力によ
ってサイリスタ変換器1f)w、z相すイリスタvll
制点弧、X、Y、σ、v@−tイリスタを消弧、さらに
回生力行切換優置40号イアクトル3の電流循環路を形
成してそのエネルギーを発数させる。このとき、サイリ
スタ変換器lによってその変流入力−と厘は肯は切離さ
れるし、電車21ilと遣壌電流路から切−し、転流リ
アクトル3のエネルギーのみを電流循環路で速やかに発
散さぜかつ循環路に入るサイリスタ及びダイオードに傘
分な電流が流れてその発熱が異常になるのを防止する、 転置リアクトル3の電流が十分に発散された後、4a電
電流出IgI絡SaKよってメモリ回路SSをりセット
し、通常の変電所運転に戻す。
During the regenerative operation under this control 111fK, when a commutation failure occurs in the thyristor converter l, the protection device S sets the memory circuit 5 due to the detection of the commutation failure, and this set output causes the thyristor converter 1f)w, z phase irista vll
The control arc, X, Y, σ, v@-t iris are extinguished, and a current circulation path of the regenerative power running switching preferential No. 40 inductor 3 is formed to emit the energy. At this time, the thyristor converter l disconnects the current input and output from the train 21il and the sending current path, and only the energy of the commutation reactor 3 is quickly dissipated in the current circulation path. After the current of the transposition reactor 3 has been sufficiently dissipated to prevent abnormal heat generation due to a large current flowing through the thyristors and diodes that enter the circulation path, the 4a current output IgI circuit SaK prevents the memory Reset the circuit SS and return to normal substation operation.

以上のとおり1本発明によれば、サイリスタ変換器での
転流失敗に転流りアクドルのエネルギーを連中かに発数
させて他の回路設備の破損事故な確実に防止できる効果
がある。また、本発明の保5iii置は変電所の制御装
置を利用してその制−信号のみt発生する構成で済むと
いう構成の簡単化を図ることができる。
As described above, according to one aspect of the present invention, it is possible to reliably prevent damage to other circuit equipment by repeatedly applying the energy of the commutation accelerator when commutation fails in a thyristor converter. Further, the protection device of the present invention can be simplified in that it only needs to generate the control signal by utilizing the control device of the substation.

【図面の簡単な説明】[Brief explanation of drawings]

嘱1図は電鉄用回生変電所の主回路構成図、纂2図は本
発明による保@装置の概略構成図%am図は第2図にお
ける具体的構成図、第4図は纂3図における転置失敗検
出回路図である。 1・・・サイリスタ変換器、ト・・電車、ト・・転流リ
アクトル、4・・・回生カ行切換装置、ト・・保5Ii
I置、51・・・転流失敗検出回路、S!・・・アンド
囲路、’l・・・メモリ回路、S4・・・ゲートしゃ断
信号発生回路、SS−・・ゲートオン信号発生回路、s
4・・・ゼロ電流検出回路、6・・・電圧検出器、7・
・・電流検出器、S・・・サイリスタ変換器のゲート回
路、9・・・回生カ行切換装置のゲート回路。
Figure 1 is a main circuit configuration diagram of a regenerative substation for electric railways, Figure 2 is a schematic configuration diagram of a protection device according to the present invention, Figure 2 is a specific configuration diagram in Figure 2, and Figure 4 is a diagram of the main circuit in Figure 3. FIG. 3 is a transposition failure detection circuit diagram. 1... Thyristor converter, G... Electric train, G... Commutation reactor, 4... Regeneration power line switching device, G... Maintenance 5Ii
I setting, 51... Commutation failure detection circuit, S! ...AND circuit, 'l...Memory circuit, S4...Gate cutoff signal generation circuit, SS-...Gate on signal generation circuit, s
4...Zero current detection circuit, 6...Voltage detector, 7.
...Current detector, S...Gate circuit of thyristor converter, 9...Gate circuit of regeneration power switching device.

Claims (1)

【特許請求の範囲】 (l)1餉変換器と逆変換器の両機能を持つよう制(財
)されるサイリスタ変換器と、このサイリスタ変換器の
+[[癲に介挿される転はリアクトルと、上記サイリス
タ変換器のI[fLIIIlと電車架線との間に設けら
れ該サイリスタ変換@側から電車側に直流電力を供給す
る電流路にカット・オフ用ダイオードと該電車側からサ
イリスタ変換器1曙にIir流電力を回虫する電流路を
切換えるサイリスタスイッチの回生カ行切換装置とを備
える電鉄用回生変電所において、上記サイリスタf喚器
の転流失敗を検出したと舞に該サイリスタ変換器の上下
l相分のサイリスタだけを強制点弧させかつ上記回生カ
行切換装置のサイリスタスイッチの一方を点弧、他方な
消弧し、変電所と負荷側を切りはなし、該サイリスタ変
換器と回虫力行切換装置を電流循aW&として上記転訛
りアクドルのエネルギーを発散さぜる制−回路を備えた
ことを特鎗とする電鉄用回生変電所の保畠装置、。 (2)特許請求の範−纂1項一において、上記制御回路
は上記サイリスタf換器の転流失敗を構出したときに1
制点弧さぜる該サイリスタ変換器のサイリスタを除いた
残りのサイリスタな9J制消弧させることを持家とする
電鉄用回生変電所の保−装置。 +31  % fF 11i!求の範囲第11又は第2
橿のいずれかl檜において、上記句IJmJ回路は上紀
サイリスタ変換器の転流失敗を検出したときに強制点弧
させる上記回生力行切換装置のサイリスタを除いた残り
のサイリスタ!強制消弧さぜることV特徴とする電鉄用
回生変電所の保賎装置。
[Claims] (l) A thyristor converter which is controlled to have both the functions of a single-coupled converter and an inverse converter, and a reactor inserted in the A cut-off diode is provided between I[fLIIIl of the thyristor converter and the train overhead line and supplies direct current power from the thyristor conversion@ side to the train side, and a cut-off diode is provided between the thyristor converter I[fLIIIl and the train overhead line. In a regenerative substation for a railway equipped with a regenerative power switching device of a thyristor switch that switches the current path that transforms the Iir current power, a commutation failure of the thyristor F converter was detected and the thyristor converter was changed. Only the thyristors for the upper and lower l phases are forcibly fired, one of the thyristor switches of the regeneration power switching device is turned on and the other is turned off, the substation and the load side are disconnected, and the thyristor converter and Ascaris power running are turned on. A farm maintenance device for a regenerative substation for electric railways, characterized in that it is equipped with a control circuit that dissipates the energy of the above-mentioned rotary accelerator by using a switching device as a current circulation aW&. (2) In claim 1, claim 1, the control circuit controls the thyristor f-switch when commutation failure occurs.
A maintenance device for a regenerative substation for electric railways whose purpose is to suppress and extinguish the remaining 9J thyristors except for the thyristor of the thyristor converter that controls the arc. +31% fF 11i! Request range 11th or 2nd
In any one of the rods, the IJmJ circuit is configured to forcefully fire the remaining thyristors except for the thyristor of the regenerative power switching device that is forced to fire when a commutation failure of the Joki thyristor converter is detected. A protection device for regenerative substations for electric railways featuring forced arc extinguishing.
JP6812682A 1982-04-23 1982-04-23 Device for protecting regenerative substation for electric railway Granted JPS58186331A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6812682A JPS58186331A (en) 1982-04-23 1982-04-23 Device for protecting regenerative substation for electric railway

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6812682A JPS58186331A (en) 1982-04-23 1982-04-23 Device for protecting regenerative substation for electric railway

Publications (2)

Publication Number Publication Date
JPS58186331A true JPS58186331A (en) 1983-10-31
JPS6353771B2 JPS6353771B2 (en) 1988-10-25

Family

ID=13364737

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6812682A Granted JPS58186331A (en) 1982-04-23 1982-04-23 Device for protecting regenerative substation for electric railway

Country Status (1)

Country Link
JP (1) JPS58186331A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5364723A (en) * 1976-11-20 1978-06-09 Toshiba Corp Protection system for rectifier
JPS56116528A (en) * 1980-02-16 1981-09-12 Meidensha Electric Mfg Co Ltd Power supply for dc electric railroad

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5364723A (en) * 1976-11-20 1978-06-09 Toshiba Corp Protection system for rectifier
JPS56116528A (en) * 1980-02-16 1981-09-12 Meidensha Electric Mfg Co Ltd Power supply for dc electric railroad

Also Published As

Publication number Publication date
JPS6353771B2 (en) 1988-10-25

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