JPS58145031U - relay protection device - Google Patents
relay protection deviceInfo
- Publication number
- JPS58145031U JPS58145031U JP4088782U JP4088782U JPS58145031U JP S58145031 U JPS58145031 U JP S58145031U JP 4088782 U JP4088782 U JP 4088782U JP 4088782 U JP4088782 U JP 4088782U JP S58145031 U JPS58145031 U JP S58145031U
- Authority
- JP
- Japan
- Prior art keywords
- current transformer
- relay
- ground fault
- protection device
- current
- 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
Landscapes
- Emergency Protection Circuit Devices (AREA)
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
第１図は受電設備における２回線回路方式を示す単線結
線図、第２図−はこの考案の一実施例を示す要部の単線
結線図、第３図は第２図の複線結線図である。
ＣＴ１．ＣＴ２・・・第１変流器、ＣＴ□１・・・第２
変流器、ＯＣＲ□、 ０ＣＲ２・・・過電流継電器、Ｒ
Ｇｌ、 ＲＧ２・・・過電流地絡継電器、ＥＤＳｌ、
ＥＤＳ２・・・接地断路器、Ｌｌ・・・線路。Figure 1 is a single line diagram showing a two-line circuit system in power receiving equipment, Figure 2 is a single line diagram of the main part showing an embodiment of this invention, and Figure 3 is a double line diagram of Figure 2. . CT1. CT2...first current transformer, CT□1...second
Current transformer, OCR□, 0CR2...Overcurrent relay, R
Gl, RG2...Overcurrent ground fault relay, EDSl,
EDS2...Earth disconnector, Ll...Line.
Claims (1)
、前記変流器の出力端に過電流継電器と過電流地絡継電
器とを接続し、前記接地断路器と接地間の線路には前記
第１変流器の電流流入極性とは逆極性に配設された第２
変流器を設け、この第２変流器の出力端を前記地絡継電
器に並列接続して、前記接地断路器を閉成したときに、
前記地絡継電器へ流入される動作電流を打消させるよう
にしたことを特徴とする継電器保護装置。A first current transformer and a grounding disconnector are arranged at predetermined locations on the power receiving bus, an overcurrent relay and an overcurrent grounding relay are connected to the output end of the current transformer, and a A second current transformer is disposed on the line with a polarity opposite to the current inflow polarity of the first current transformer.
When a current transformer is provided, the output end of this second current transformer is connected in parallel to the ground fault relay, and the ground fault relay is closed,
A relay protection device characterized in that the operating current flowing into the ground fault relay is canceled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4088782U JPS58145031U (en) | 1982-03-23 | 1982-03-23 | relay protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4088782U JPS58145031U (en) | 1982-03-23 | 1982-03-23 | relay protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58145031U true JPS58145031U (en) | 1983-09-29 |
Family
ID=30052088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4088782U Pending JPS58145031U (en) | 1982-03-23 | 1982-03-23 | relay protection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58145031U (en) |
-
1982
- 1982-03-23 JP JP4088782U patent/JPS58145031U/en active Pending
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