JP5091270B2 - 継電器の検査方法 - Google Patents
継電器の検査方法 Download PDFInfo
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- JP5091270B2 JP5091270B2 JP2010087229A JP2010087229A JP5091270B2 JP 5091270 B2 JP5091270 B2 JP 5091270B2 JP 2010087229 A JP2010087229 A JP 2010087229A JP 2010087229 A JP2010087229 A JP 2010087229A JP 5091270 B2 JP5091270 B2 JP 5091270B2
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Description
11:地中送電線
12:変流器
13,23:検出器
14:電気信号線
15,25:送量器
26:光信号線
Claims (2)
- 継電器の動作下限電流に対し所定倍率(1より大きい)の大きさの試験電流を、不動作保証時間及び動作保証時間だけ、継電器へそれぞれ入力するとともに、
継電器の動作下限電流に対し所定倍率(1より小さい)の大きさの試験電流を、動作所要時間だけ、継電器へ入力し、
それぞれ継電器の動作状況を、以下のように、確認することにより性能劣化の有無を判断する継電器の検査方法。
[確認事項]
(1)継電器の動作下限電流に対し、1より大きい所定倍率の電流を、不動作保証時間だけ流したとき、動作しない。
(2)継電器の動作下限電流に対し、1より大きい所定倍率の電流を、動作保証時間だけ流したとき、動作する。
(3)継電器の動作下限電流に対し、1より小さい所定倍率の電流を、動作所要時間だけ流したとき,動作しない。
[判断基準]
(1)、(2)、(3)を全て満たすときは、性能劣化が無いと判断する。
(1)、(2)、(3)の何れかが満たされないときは、性能劣化が有ると判断する。 - 地中送電線に変流器を設け、その変流器の出力が送量器により電気信号から光信号に変換されて検出器に入力されるように構成され、地中送電線に地絡故障が生じたときに、前記変流器及び送量器を介して入力される地絡過電流を検出する前記検出器を構成する継電器を検査するための請求項1に記載の継電器の検査方法。
Priority Applications (1)
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JP2010087229A JP5091270B2 (ja) | 2010-04-05 | 2010-04-05 | 継電器の検査方法 |
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JP2010087229A JP5091270B2 (ja) | 2010-04-05 | 2010-04-05 | 継電器の検査方法 |
Related Parent Applications (1)
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JP2004234150A Division JP4580712B2 (ja) | 2004-08-11 | 2004-08-11 | 継電器の検査方法及び継電器の検査装置 |
Publications (2)
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JP2010230675A JP2010230675A (ja) | 2010-10-14 |
JP5091270B2 true JP5091270B2 (ja) | 2012-12-05 |
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JP2010087229A Active JP5091270B2 (ja) | 2010-04-05 | 2010-04-05 | 継電器の検査方法 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7437189B2 (ja) | 2020-02-28 | 2024-02-22 | 四国計測工業株式会社 | 試験装置および有接点リレーの劣化判定方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3265337B2 (ja) * | 1992-06-08 | 2002-03-11 | オムロン株式会社 | 保護継電器および試験器ならびに試験システム |
JP3532225B2 (ja) * | 1993-03-31 | 2004-05-31 | 株式会社日立産機システム | 通電試験装置 |
JP2602468B2 (ja) * | 1993-04-12 | 1997-04-23 | 美和電気株式会社 | 地中送電線の地絡事故検出時における地絡過電流検出器の誤動作防止方法およびその装置 |
JP2004077251A (ja) * | 2002-08-15 | 2004-03-11 | Meidensha Corp | 保護リレーの動作試験システム |
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