JPS58149037U - generator protection relay - Google Patents
generator protection relayInfo
- Publication number
- JPS58149037U JPS58149037U JP4476082U JP4476082U JPS58149037U JP S58149037 U JPS58149037 U JP S58149037U JP 4476082 U JP4476082 U JP 4476082U JP 4476082 U JP4476082 U JP 4476082U JP S58149037 U JPS58149037 U JP S58149037U
- Authority
- JP
- Japan
- Prior art keywords
- neutral point
- generator
- grounding device
- protection relay
- point grounding
- 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
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図は従来の発電機保護継電器の接続図、第
′２図は本考案の一実施例を示す接続図、第３図は本
考案の継電器の特性図である。
Ｇ・・・・・・発電機、Ｔ・・・・・・変圧器、ＣＢ・
・・・・・遮断器、ＮＧＴ・・・・・・中性点接地用変
成器、Ｃ・・・・・・サージ吸収用コンデンサ、ＤＳ−
・・・・・断路器、ＧＰＴ・・・・・・接地用変圧器、
ＮＧＲ・・・・・・ＮＧＴの２次抵抗器、ＲＹｉ。
ＲＹ２・・・・・・継電器、ＣＴｌ−ＣＴ４・・・・・
・変流器。Figure 1 is a connection diagram of a conventional generator protection relay.
Figure '2 is a connection diagram showing an embodiment of the present invention, and Figure 3 is a characteristic diagram of the relay of the present invention. G... Generator, T... Transformer, CB.
...Breaker, NGT ... Neutral point grounding transformer, C ... Surge absorption capacitor, DS-
...Disconnector, GPT...Grounding transformer,
NGR... NGT secondary resistor, RYi. RY2...Relay, CTl-CT4...
·Current transformer.
Claims (1)
がサージ吸収用コンデンサを介して接地された発電機に
おいて、中性点接地装置に流れる電流と出力側変流器の
残留回路の電流とにより比率差動継電器を動作させ、発
電機の電機子巻線の地絡および中性点接地装置の異常を
検出することを特徴とする発電機保護継電器。In a generator whose neutral point side is grounded via a neutral point grounding device and whose output side is grounded via a surge absorption capacitor, the current flowing through the neutral point grounding device and the current in the residual circuit of the output side current transformer. A generator protection relay is characterized in that it operates a ratio differential relay and detects a ground fault in the armature winding of the generator and an abnormality in the neutral point grounding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4476082U JPS58149037U (en) | 1982-03-31 | 1982-03-31 | generator protection relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4476082U JPS58149037U (en) | 1982-03-31 | 1982-03-31 | generator protection relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58149037U true JPS58149037U (en) | 1983-10-06 |
Family
ID=30055806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4476082U Pending JPS58149037U (en) | 1982-03-31 | 1982-03-31 | generator protection relay |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58149037U (en) |
-
1982
- 1982-03-31 JP JP4476082U patent/JPS58149037U/en active Pending
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