JP2545928B2 - Regeneration control device for electric railway substation - Google Patents
Regeneration control device for electric railway substationInfo
- Publication number
- JP2545928B2 JP2545928B2 JP63129670A JP12967088A JP2545928B2 JP 2545928 B2 JP2545928 B2 JP 2545928B2 JP 63129670 A JP63129670 A JP 63129670A JP 12967088 A JP12967088 A JP 12967088A JP 2545928 B2 JP2545928 B2 JP 2545928B2
- Authority
- JP
- Japan
- Prior art keywords
- rectifier
- inverter
- voltage
- electric railway
- control device
- 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
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- Rectifiers (AREA)
Description
【発明の詳細な説明】 A.産業上の利用分野 本発明は、直流式電気鉄道変電所の回生制御装置にす
る。DETAILED DESCRIPTION OF THE INVENTION A. Field of Industrial Application The present invention provides a regenerative control device for a DC electric railway substation.
B.発明の概要 本発明は、整流器からき電線への給電と、き電線側か
らの回生をインバータで交流電源側に行う直流式電気鉄
道変電所において、 インバータの始動時に整流器出力電圧を低下させてお
くことにより、 き電電圧の変動を小さくしながら断路器の電流負担を
軽減するようにしたものである。B. Outline of the Invention The present invention is a DC electric railway substation in which power is supplied from a rectifier to a feeder and regeneration from the feeder side is performed by an inverter on the AC power supply side, and the rectifier output voltage is reduced when the inverter is started. By setting it, the current load on the disconnecting switch is reduced while reducing the fluctuation of the feeding voltage.
C.従来の技術 直流式電気鉄道変電所は、第４図に示す主回路構成に
される。セクション分離された架線１への給電は、交流
電源２から交流しゃ断器３→トランス４→サイリスタ整
流器５→GTOの高速度直流しゃ断器6A,6B→断路器7A,7B
を介して行われる。電車側からの回生電力は断路器7A,7
B→GTOの高速度直流しゃ断器8A,8B→断路器９→回生用
サイリスタインバータ10→トランス11→交流しゃ断器12
を介して交流電源２側に回生される。C. Conventional technology The DC type electric railway substation has the main circuit configuration shown in Fig. 4. The power supply to the overhead line 1 separated into sections is from the AC power supply 2 to the AC circuit breaker 3 → transformer 4 → thyristor rectifier 5 → GTO high-speed DC circuit breakers 6A, 6B → disconnectors 7A, 7B.
Done through. Regenerative power from the train side is disconnector 7A, 7
B → GTO high-speed DC circuit breaker 8A, 8B → disconnector 9 → regenerative thyristor inverter 10 → transformer 11 → AC circuit breaker 12
Is regenerated to the AC power supply 2 side via.
この構成において、給電と回生の入切は半導体しゃ断
器6A,6B,8A,8Bによってアークレスに行われ、またサイ
リスタ整流器５とサイリスタインバータ10間の循環電流
は流されない。In this configuration, power supply and regeneration are turned on and off by the semiconductor breakers 6A, 6B, 8A, 8B without arc, and the circulating current between the thyristor rectifier 5 and the thyristor inverter 10 is not passed.
ここで回生動作は断路器９の閉としゃ断器8A,8Bのオ
ン後にインバータ10の始動によって開始される。このと
き、整流器５が運転状態にあると、循環電流を流してい
ないためインバータ10が整流器５側から直流電流を急激
に取り込もうとして該インバータ10に過電流停止を起こ
す恐れがある。Here, the regenerative operation is started by closing the disconnecting switch 9 and turning on the circuit breakers 8A and 8B, and then starting the inverter 10. At this time, if the rectifier 5 is in an operating state, there is a possibility that the inverter 10 may suddenly take in a DC current from the rectifier 5 side because the circulating current is not flowing, and the inverter 10 may stop overcurrent.
そこで、インバータの始動制御は、従来からしゃ断器
12の投入後にインバータ10の位相制御開始し、この後に
断路器９を投入する方法、又はしゃ断器12及び断路器９
の投入後に整流器５を一時停止させてからインバータ10
の位相制御を開始し、この後に整流器５を運転する方法
が採用されている。Therefore, the starting control of the inverter has been the conventional breaker.
A method of starting the phase control of the inverter 10 after turning on 12, and then turning on the disconnector 9, or the breaker 12 and the disconnector 9
After suspending the rectifier 5 after turning on the
The phase control is started and the rectifier 5 is operated thereafter.
D.発明が解決しようとする課題 従来の過電流防止方法は、前者では断路器９の投入時
にアーク発生させるという該断路器９の電流負担が起き
る問題があった。一方、後者の方法では、整流器５の一
時運転停止によってき電電圧の大きさな変動が生じ、こ
れは各セクション毎に電車の有無と力行／回生の状態に
よって大きく変わる。D. Problem to be Solved by the Invention The conventional overcurrent prevention method has a problem in that the former causes a current burden on the disconnecting switch 9 that an arc is generated when the disconnecting switch 9 is turned on. On the other hand, in the latter method, a large fluctuation of the feeding voltage occurs due to the temporary stoppage of operation of the rectifier 5, and this greatly changes for each section depending on the presence or absence of a train and the powering / regenerating state.
本発明の目的は、断路器の電流負担を無くしながらき
電電圧の変動を小さくした回生制御装置を提供すること
にある。An object of the present invention is to provide a regenerative control device that reduces the fluctuation of the feeding voltage while eliminating the current load on the disconnecting switch.
E.課題を解決するための手段と作用 本発明は上記目的を達成するために、整流器によう整
数出力でき電線側に給電し、き電線側からの回生電力を
インバータに導き該インバータの運転によって交流電源
側に回生する直流式電気鉄道変電所において、前記イン
バータの始動時にき電線側からしゃ断しかつ前記整流器
の出力電圧を低下させておき、前記インバータの始動終
了後に前記整流器の出力電圧を元に戻した後にき電線側
との接続を得る制御手段を備え、インバータの始動時に
断路器等を投入しておき、整流器出力電圧を低下させて
インバータの始動電流を抑制し、整流器からの循環電流
が流れた後に整流電圧を元に戻した回生を行う。E. Means and Actions for Solving the Problems In order to achieve the above-mentioned object, the present invention can output an integer like a rectifier, feeds the electric wire side, and guides the regenerative electric power from the feeder side to the inverter to operate the inverter. In a DC type electric railway substation that regenerates to the AC power source side, cut off from the feeder side at the start of the inverter and lower the output voltage of the rectifier, and after the start of the inverter, the output voltage of the rectifier is Equipped with a control means to obtain connection with the feeder side after returning to the power supply, turn on the disconnector etc. when starting the inverter, reduce the rectifier output voltage and suppress the starting current of the inverter, circulating current from the rectifier After the current flows, the rectified voltage is restored to the original value for regeneration.
F.実施例 第１図は本発明の一実施例を示す制御フローチャート
である。第４図の構成において、回生制御開始には整流
器５の運転状態のまま（ステップS1）、しゃ断器12及び
断路器９を投入し（S2）、しゃ断器8A,8Bをしゃ断し（S
3）、この後に整流器５の出力電圧を低下させる（S
4）。そして、インバータ10のゲートオン（S5）と位相
制御開始（S6）によって回生を開始し、整流器５の出力
電圧を元の定格電圧まで時定数を持たせて戻し（S7）、
しゃ断器8A,8Bを投入する（S8）。F. Embodiment FIG. 1 is a control flowchart showing an embodiment of the present invention. In the configuration of FIG. 4, when starting the regenerative control, the breaker 12 and the disconnector 9 are turned on (S2) while the rectifier 5 is in the operating state (step S1), and the breakers 8A and 8B are turned off (S
3) After this, reduce the output voltage of the rectifier 5 (S
Four). Then, regeneration is started by turning on the gate of the inverter 10 (S5) and starting phase control (S6), and returns the output voltage of the rectifier 5 to the original rated voltage with a time constant (S7),
Turn on the circuit breakers 8A and 8B (S8).
このように、インバータ10の変換動作開始には整流器
５の出力電圧を低下させておき、これによりインバータ
10の始動時のラッシュ電流を抑制し、また始動後に徐々
に電圧上昇し、過電流停止動作を防止すると共に断路器
９での電流負担を無くす。また、き電線電圧は整流器５
の電圧低下分のみの少ない変動に抑制し、これはセクシ
ョン内電車の台数等に影響されることは殆どない。As described above, the output voltage of the rectifier 5 is lowered before the conversion operation of the inverter 10 is started.
The rush current at the time of starting 10 is suppressed, and the voltage gradually rises after starting to prevent the overcurrent stop operation and eliminate the current burden on the disconnector 9. The feeder voltage is rectifier 5
It is suppressed to a small fluctuation of only the voltage drop, and this is hardly affected by the number of trains in the section.
第２図は整流器５の制御装置を示し、インバータ始動
時の電圧低下のための制御手段を備える。同図におい
て、整流器５は電圧設定器15の設定電圧Vsと電圧検出器
16の検出値との比較による自動電圧制御回路17と、マイ
ナループに一次電流検出による自動電流制御回路18とに
よる電圧，電流制御系を備え、位相制御回路19による位
相制御によって出力電圧を定格値に保つ。ここで、整流
器５の出力電圧を低下させる手段として、設定電圧調整
回路20を備える。FIG. 2 shows a control device for the rectifier 5, which is provided with control means for lowering the voltage when the inverter is started. In the figure, the rectifier 5 is a set voltage Vs of the voltage setter 15 and a voltage detector.
Equipped with a voltage and current control system by an automatic voltage control circuit 17 by comparison with the detection value of 16 and an automatic current control circuit 18 by primary current detection in the minor loop, and the output voltage is made a rated value by the phase control by the phase control circuit 19. keep. Here, a set voltage adjusting circuit 20 is provided as a means for reducing the output voltage of the rectifier 5.
この調整回路20は、通常時にオン状態にされる接点21
によって積分アンプ22の入力をほぼ零ボルト出力にして
おき、整流器５の出力電圧を低下させるときに接点21を
オフさせることで積分アンプ22の出力を零ボルトから負
方向に積分時定数で増加させ、設定電圧＋Vsを低くす
る。そして、インバータ10の始動完了状態になったとき
に、接点21をオンさせることで積分時定数による徐々の
設定値復帰を行わせる。This adjusting circuit 20 has a contact 21 that is normally turned on.
By setting the input of the integrating amplifier 22 to almost zero volt output by turning off the contact 21 when lowering the output voltage of the rectifier 5, the output of the integrating amplifier 22 is increased from zero volt to the negative direction by the integral time constant. , Lower the set voltage + Vs. When the start of the inverter 10 is completed, the contact 21 is turned on to gradually restore the set value by the integral time constant.
このような制御は第３図に示すようになされ、時刻t1
で接点21をオフさせて整流電圧を＋VsからVcまで低下さ
せ、期間T1後の時刻t2で接点21をオンさせて時刻t3まで
周期T2で整流電圧を徐々に上昇させる。この整流電圧の
上昇と下降の時定数は抵抗23,24の夫々の抵抗値とコン
デンサ25の時定数で決められる。また、定電圧ダイオー
ド26は積分アンプ22の出力飽和防止用である。Such control is performed as shown in FIG. 3, the time t 1
Then, the contact 21 is turned off to decrease the rectified voltage from + Vs to Vc, the contact 21 is turned on at time t 2 after the period T 1 and the rectified voltage is gradually increased at the cycle T 2 until time t 3 . The time constants of the rise and fall of the rectified voltage are determined by the resistance values of the resistors 23 and 24 and the time constant of the capacitor 25. The constant voltage diode 26 is for preventing the output saturation of the integrating amplifier 22.
G.発明の効果 以上のとおり、本発明によれば、インバータの始動時
に整流器電圧を低下させておくため、断路器の投入後に
よるインバータの始動になって該断路器の電流負担を無
くし、また整流器の一時停止が無くなってき電電圧の変
動を抑制できる効果がある。G. Effects of the Invention As described above, according to the present invention, since the rectifier voltage is lowered at the time of starting the inverter, the inverter is started after the disconnecting switch is turned on, and the current burden on the disconnecting switch is eliminated. There is an effect that the fluctuation of the electric voltage can be suppressed when the suspension of the rectifier disappears.
第１図は本発明の一実施例を示す制御フローチャート、
第２図は実施例における整流器の制御装置回路図、第３
図は実施例における整流器出力波形図、第４図は直流式
電気鉄道変電所の主回路構成図である。 ５……整流器、6A,6B,8A,8B……高速度しゃ断器、９…
…断路器、10……インバータ、20……設定電圧調整回
路。FIG. 1 is a control flowchart showing an embodiment of the present invention,
FIG. 2 is a circuit diagram of a rectifier control device according to the embodiment, and FIG.
FIG. 4 is a rectifier output waveform diagram in the embodiment, and FIG. 4 is a main circuit configuration diagram of a DC electric railway substation. 5 ... Rectifier, 6A, 6B, 8A, 8B ... High speed breaker, 9 ...
… Disconnector, 10 …… Inverter, 20 …… Set voltage adjustment circuit.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭61−146647（ＪＰ，Ａ) 特開 昭61−150844（ＪＰ，Ａ) 特開 昭61−200039（ＪＰ，Ａ) 特開 昭61−207236（ＪＰ，Ａ) 特開 昭62−37241（ＪＰ，Ａ) 特開 昭62−221941（ＪＰ，Ａ) ─────────────────────────────────────────────────── --- Continuation of the front page (56) References JP-A 61-146647 (JP, A) JP-A 61-150844 (JP, A) JP-A 61-200039 (JP, A) JP-A 61- 207236 (JP, A) JP 62-37241 (JP, A) JP 62-221941 (JP, A)
Claims (1)
し、き電線側からの回生電力をインバータに導き該イン
バータの運転によって交流電源側に回生する直流式電気
鉄道変電所において、前記インバータの始動時にき電線
側からしゃ断しかつ前記整流器の出力電圧を低下させて
おき、前記インバータの始動終了後に前記整流器の出力
電圧を元に戻した後にき電線側との接続を得る制御手段
を備えたことを特徴とする電気鉄道変電所の回生制御装
置。1. A direct-current electric railway substation in which a rectifier can be used for rectification output and power is supplied to the electric wire side, and regenerative power from the feeder line is guided to an inverter to regenerate the AC power source side by the operation of the inverter. And a control means for cutting off the feeder line side and lowering the output voltage of the rectifier and returning the output voltage of the rectifier after the start of the inverter to obtain a connection with the feeder line. A regenerative control device for an electric railway substation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63129670A JP2545928B2 (en) | 1988-05-27 | 1988-05-27 | Regeneration control device for electric railway substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63129670A JP2545928B2 (en) | 1988-05-27 | 1988-05-27 | Regeneration control device for electric railway substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01301421A JPH01301421A (en) | 1989-12-05 |
| JP2545928B2 true JP2545928B2 (en) | 1996-10-23 |
Family
ID=15015248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63129670A Expired - Lifetime JP2545928B2 (en) | 1988-05-27 | 1988-05-27 | Regeneration control device for electric railway substation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2545928B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4720664B2 (en) * | 2006-07-25 | 2011-07-13 | トヨタ自動車株式会社 | Power backup system |
-
1988
- 1988-05-27 JP JP63129670A patent/JP2545928B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01301421A (en) | 1989-12-05 |
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