JPS58156339U - generator protection relay - Google Patents
generator protection relayInfo
- Publication number
- JPS58156339U JPS58156339U JP5188982U JP5188982U JPS58156339U JP S58156339 U JPS58156339 U JP S58156339U JP 5188982 U JP5188982 U JP 5188982U JP 5188982 U JP5188982 U JP 5188982U JP S58156339 U JPS58156339 U JP S58156339U
- Authority
- JP
- Japan
- Prior art keywords
- protection relay
- amount
- generator protection
- neutral point
- generator
- 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
- Protection Of Generators And Motors (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来技術の結線図、第２図は従来技術の継電器
検出感度と第３調波の特性図、第３図は本考案の継電器
検出感度と第３調波の特性図、第４図は本考案の継電器
ブロック図である。
１・・・送電線、２・・・遮断器、３・・・変圧器２次
、４・・・変圧器１次、５・・・発電機、６・・・発電
機巻線の浮遊容量、７・・・中性点接地変圧器、８・・
・中性点抵抗、９・・・保護継電器、１０・・・開閉器
、１１・・・補助変成器、１２・・・変流器。
６１国Fig. 1 is a connection diagram of the prior art, Fig. 2 is a characteristic diagram of relay detection sensitivity and third harmonic of the conventional technology, Fig. 3 is a characteristic diagram of relay detection sensitivity and third harmonic of the present invention, and Fig. 4 is a characteristic diagram of relay detection sensitivity and third harmonic of the present invention. The figure is a block diagram of the relay of the present invention. 1... Transmission line, 2... Circuit breaker, 3... Transformer secondary, 4... Transformer primary, 5... Generator, 6... Stray capacitance of generator winding , 7... Neutral point grounding transformer, 8...
- Neutral point resistance, 9... Protective relay, 10... Switch, 11... Auxiliary transformer, 12... Current transformer. 61 countries
Claims (1)
いて、前記接地装置を流れる第３調波量を検出して動作
量にし、゛発電機の負荷側に設置した変流器より基本波
量を検出し前記第３調波量の検出感度を段階的に制御す
る制御回路を付加した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, the third harmonic amount flowing through the grounding device is detected and used as the operating amount. 1. A generator protection relay characterized in that a control circuit is added for detecting the amount of waves and controlling the detection sensitivity of the third harmonic amount in stages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5188982U JPS58156339U (en) | 1982-04-12 | 1982-04-12 | generator protection relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5188982U JPS58156339U (en) | 1982-04-12 | 1982-04-12 | generator protection relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58156339U true JPS58156339U (en) | 1983-10-19 |
Family
ID=30062600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5188982U Pending JPS58156339U (en) | 1982-04-12 | 1982-04-12 | generator protection relay |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58156339U (en) |
-
1982
- 1982-04-12 JP JP5188982U patent/JPS58156339U/en active Pending
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