JP4921246B2 - 地絡距離継電器 - Google Patents
地絡距離継電器 Download PDFInfo
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- JP4921246B2 JP4921246B2 JP2007136112A JP2007136112A JP4921246B2 JP 4921246 B2 JP4921246 B2 JP 4921246B2 JP 2007136112 A JP2007136112 A JP 2007136112A JP 2007136112 A JP2007136112 A JP 2007136112A JP 4921246 B2 JP4921246 B2 JP 4921246B2
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- Japan
- Prior art keywords
- current
- phase
- ground fault
- transmission line
- distance relay
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Description
継電器設置点の電圧VR,電流IRは知ることができるが、故障点電圧VR,故障点電流IR,故障点抵抗RFは未知数であり、故障点までの送電線インピーダンスZを求めることができない。
実部は、
回線1の正相電流I1,逆相電流I2,零相電流I0
回線2の正相電流I1′,逆相電流I2′,零相電流I0′
第1回路の正相電流I10,逆相電流I20,零相電流I00
第2回路の正相電流I11,逆相電流I21,零相電流I01
定義した場合の関係式は以下となる。
101 送電線電圧信号
102 送電線電流信号
103 残留回路
104 隣回線の残留回路電流信号
105 線路インピーダンス整定値
106 距離判定整定値
107 差動回路
108 積算回路
109 方程式演算部
111 継電器動作信号
200 地絡距離継電器
201 変電所の電力母線
202,203 送電線
204,205,206,207,208,209 計器用変流器
210,211,212 計器用変圧器
221 入力変換器
222 フィルタ回路
223 アナログ/ディジタル変換部
Claims (3)
Priority Applications (1)
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JP2007136112A JP4921246B2 (ja) | 2007-05-23 | 2007-05-23 | 地絡距離継電器 |
Applications Claiming Priority (1)
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JP2007136112A JP4921246B2 (ja) | 2007-05-23 | 2007-05-23 | 地絡距離継電器 |
Publications (3)
Publication Number | Publication Date |
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JP2008295144A JP2008295144A (ja) | 2008-12-04 |
JP2008295144A5 JP2008295144A5 (ja) | 2009-07-09 |
JP4921246B2 true JP4921246B2 (ja) | 2012-04-25 |
Family
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JP2007136112A Active JP4921246B2 (ja) | 2007-05-23 | 2007-05-23 | 地絡距離継電器 |
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JP (1) | JP4921246B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5492495B2 (ja) * | 2009-08-24 | 2014-05-14 | 株式会社日立製作所 | 地絡距離保護継電装置 |
CN104316842B (zh) * | 2014-11-14 | 2017-04-26 | 国家电网公司 | 利用相间故障位置因子相位特性实现线路相间故障单端测距方法 |
CN106383294B (zh) * | 2016-09-23 | 2019-01-04 | 南京南瑞继保电气有限公司 | 一种基于两侧信息的半波长交流输电线路故障选相方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53132745A (en) * | 1977-04-25 | 1978-11-18 | Denriyoku Chuo Kenkyusho | Method of identifying trouble point of transmission line |
JPS62134570A (ja) * | 1985-12-09 | 1987-06-17 | Toshiba Corp | 故障点標定装置 |
JP3292884B2 (ja) * | 1990-12-27 | 2002-06-17 | 株式会社日立製作所 | 地絡距離検出方法、地絡距離検出装置および地絡距離リレー |
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2007
- 2007-05-23 JP JP2007136112A patent/JP4921246B2/ja active Active
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JP2008295144A (ja) | 2008-12-04 |
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