JPH0260448U - - Google Patents
Info
- Publication number
- JPH0260448U JPH0260448U JP13757288U JP13757288U JPH0260448U JP H0260448 U JPH0260448 U JP H0260448U JP 13757288 U JP13757288 U JP 13757288U JP 13757288 U JP13757288 U JP 13757288U JP H0260448 U JPH0260448 U JP H0260448U
- Authority
- JP
- Japan
- Prior art keywords
- transformer
- simulated
- fault
- ground fault
- neutral point
- 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
Links
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は異常電圧抑制回路の一例を示す回路図、第３
図は従来の地絡過電圧継電器試験装置の構成を示
す回路図である。
１……補償リアクトル制御装置、２……補償リ
アクトル切換装置、３……異常電圧抑制回路、４
……地絡過電圧継電器試験装置、５……試験装置
接続回路、ＴＲ１……所内変圧器、ＴＲ２……中
性点接地用変圧器、ＴＲ３……模擬地絡用変圧器
、ＧＰＴ……計器用変圧器、ＯＶＧ……過電圧継
電器、ＤＧＲ……方向継電器、ＳＷ１……スイツ
チ、ＳＷ２……切換スイツチ、ＳＷ３……模擬地
絡発生用スイツチ、ＳＷ４〜ＳＷ、６……選択ス
イツチ、Ｌ１〜Ｌ３……補償リアクトル。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a circuit diagram showing an example of an abnormal voltage suppression circuit.
The figure is a circuit diagram showing the configuration of a conventional ground fault overvoltage relay testing device. 1... Compensation reactor control device, 2... Compensation reactor switching device, 3... Abnormal voltage suppression circuit, 4
...Earth fault overvoltage relay test equipment, 5...Test device connection circuit, TR1...In-house transformer, TR2...Transformer for neutral point grounding, TR3...Transformer for simulated ground fault, GPT...For instruments Transformer, OVG...overvoltage relay, DGR...directional relay, SW1...switch, SW2...changeover switch, SW3...switch for simulated ground fault generation, SW4~SW, 6...selection switch, L1~L3... ...Compensation reactor.
Claims (1)
じさせる模擬地絡発生装置と、 前記模擬地絡発生装置によつて模擬的に生じさ
せた地絡状態から線路の対地充電電流または対地
静電容量を測定して適切な値の補償リアクトルを
自動的に選択する補償リアクトル選択装置とを具
備してなる地絡電流自動補償リアクトル装置にお
いて、 前記模擬地絡発生装置を、 変電所用所内変圧器と、 前記所内変圧器の一次側中性点を接地する中性
点接地用変圧器と、 前記所内変圧器の二次側電圧を前記中性点接地
用変圧器の二次側に印加する模擬地絡用変圧器と
、 前記所内変圧器の二次側と前記模擬地絡用変圧
器との間に設けられて選択的に開閉するスイツチ
ング回路とから構成したことを特徴とする地絡電
流自動補償リアクトル装置。 (2) 模擬地絡を行わないときに地絡過電圧継電
器の試験を行うことができるように、前記所内変
圧器の選択した二次側線路を地絡過電圧継電器試
験装置を介して前記模擬地絡用変圧器に接続する
試験装置接続回路を更に備えている請求項１に記
載の地絡電流自動補償リアクトル装置。[Scope of Claim for Utility Model Registration] (1) A simulated ground fault generating device that simulates a ground fault condition in an ungrounded power distribution line, and a ground fault simulated by the simulated ground fault generating device. and a compensation reactor selection device that measures the ground charging current or ground capacitance of the line based on the condition and automatically selects a compensation reactor with an appropriate value. The fault generating device includes: an in-station transformer for a substation; a neutral point grounding transformer for grounding the primary neutral point of the in-station transformer; and a neutral point grounding transformer for grounding the primary side neutral point of the in-station transformer; Consists of a simulated ground fault transformer that applies voltage to the secondary side of the transformer, and a switching circuit that is installed between the secondary side of the station transformer and the simulated ground fault transformer and selectively opens and closes. A ground fault current automatic compensation reactor device characterized by: (2) In order to be able to test the earth fault overvoltage relay when the simulated earth fault is not performed, the selected secondary line of the station transformer is tested for the simulated earth fault through the earth fault overvoltage relay test device. The earth fault current automatic compensation reactor device according to claim 1, further comprising a test equipment connection circuit connected to the transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13757288U JPH062439Y2 (en) | 1988-10-21 | 1988-10-21 | Ground fault current automatic compensation reactor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13757288U JPH062439Y2 (en) | 1988-10-21 | 1988-10-21 | Ground fault current automatic compensation reactor device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0260448U true JPH0260448U (en) | 1990-05-02 |
| JPH062439Y2 JPH062439Y2 (en) | 1994-01-19 |
Family
ID=31399114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13757288U Expired - Lifetime JPH062439Y2 (en) | 1988-10-21 | 1988-10-21 | Ground fault current automatic compensation reactor device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062439Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009183122A (en) * | 2008-01-31 | 2009-08-13 | Chugoku Electric Power Co Inc:The | Automatic control system for distribution line compensation reactor |
-
1988
- 1988-10-21 JP JP13757288U patent/JPH062439Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009183122A (en) * | 2008-01-31 | 2009-08-13 | Chugoku Electric Power Co Inc:The | Automatic control system for distribution line compensation reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062439Y2 (en) | 1994-01-19 |
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