JPS62107522U - - Google Patents
Info
- Publication number
- JPS62107522U JPS62107522U JP19780685U JP19780685U JPS62107522U JP S62107522 U JPS62107522 U JP S62107522U JP 19780685 U JP19780685 U JP 19780685U JP 19780685 U JP19780685 U JP 19780685U JP S62107522 U JPS62107522 U JP S62107522U
- Authority
- JP
- Japan
- Prior art keywords
- connection
- transformer
- secondary winding
- switching circuit
- switching
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図は本考案による計器用変圧器の切換回路
の一実施例とその周辺の結線図、第２図は従来の
計器用変圧器を含む送電系統の一例を示す結線図
である。
５，６，７……計器用変圧器、５ｂ，６ｂ，７
ｂ……二次巻線、１４……表示灯、１８……零相
変流器、２１……切換リレー。
FIG. 1 is a wiring diagram showing an example of a switching circuit for a voltage transformer according to the present invention and its surroundings, and FIG. 2 is a wiring diagram showing an example of a power transmission system including a conventional voltage transformer. 5, 6, 7...Instrument transformer, 5b, 6b, 7
b...Secondary winding, 14...Indicator light, 18...Zero-phase current transformer, 21...Switching relay.
Claims (1)
流器と、この零相変流器の出力で動作する切換リ
レーとを備え、常時星形結線の二次巻線が前記切
換リレーの動作で一端開放三角結線に切換えられ
ることを特徴とする計器用変圧器の切換回路。 (2) 実用新案登録請求の範囲第(1)項記載の計器
用変圧器の切換回路において、切換リレーは計器
用変圧器の二次巻線の接続を切換えるとともにこ
の二次巻線の線間に接続された表示灯を相間への
接続に切換えることを特徴とする計器用変圧器の
切換回路。[Claims for Utility Model Registration] (1) An instrument transformer having a secondary winding, a zero-phase current transformer, and a switching relay operated by the output of the zero-phase current transformer, A switching circuit for an instrument transformer, characterized in that a secondary winding of the connection is switched to a triangular connection with one end open by the operation of the switching relay. (2) In the switching circuit for a voltage transformer described in claim (1) of the utility model registration, the switching relay switches the connection of the secondary winding of the voltage transformer, and also switches the connection between the lines of the secondary winding. A switching circuit for a potential transformer, characterized in that an indicator light connected to the terminal is switched to a connection between the phases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19780685U JPS62107522U (en) | 1985-12-23 | 1985-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19780685U JPS62107522U (en) | 1985-12-23 | 1985-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62107522U true JPS62107522U (en) | 1987-07-09 |
Family
ID=31157906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19780685U Pending JPS62107522U (en) | 1985-12-23 | 1985-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62107522U (en) |
-
1985
- 1985-12-23 JP JP19780685U patent/JPS62107522U/ja active Pending