HK1073581A1 - A tester and method for detecting fault of relay by current injection. - Google Patents
A tester and method for detecting fault of relay by current injection.Info
- Publication number
- HK1073581A1 HK1073581A1 HK05105699A HK05105699A HK1073581A1 HK 1073581 A1 HK1073581 A1 HK 1073581A1 HK 05105699 A HK05105699 A HK 05105699A HK 05105699 A HK05105699 A HK 05105699A HK 1073581 A1 HK1073581 A1 HK 1073581A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- tester
- relay
- current injection
- detecting fault
- fault
- Prior art date
Links
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HK05105699A HK1073581A1 (en) | 2005-07-06 | 2005-07-06 | A tester and method for detecting fault of relay by current injection. |
CNB2005100845507A CN100362356C (en) | 2005-07-06 | 2005-07-26 | Fault relay power injection tester and testing method |
HK06101555A HK1081653A1 (en) | 2005-07-06 | 2006-02-06 | A tester and method for detecting fault of relay by current injection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HK05105699A HK1073581A1 (en) | 2005-07-06 | 2005-07-06 | A tester and method for detecting fault of relay by current injection. |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1073581A1 true HK1073581A1 (en) | 2005-10-07 |
Family
ID=35206830
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK05105699A HK1073581A1 (en) | 2005-07-06 | 2005-07-06 | A tester and method for detecting fault of relay by current injection. |
HK06101555A HK1081653A1 (en) | 2005-07-06 | 2006-02-06 | A tester and method for detecting fault of relay by current injection |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK06101555A HK1081653A1 (en) | 2005-07-06 | 2006-02-06 | A tester and method for detecting fault of relay by current injection |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN100362356C (en) |
HK (2) | HK1073581A1 (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4837519A (en) * | 1985-09-06 | 1989-06-06 | Southern California Edison Company | Fault detection |
JP3692179B2 (en) * | 1996-05-13 | 2005-09-07 | 株式会社エヌエフ回路設計ブロック | Protection relay test equipment |
JPH10213619A (en) * | 1997-01-30 | 1998-08-11 | Toshiba Corp | Relay tester |
DE19746315A1 (en) * | 1997-10-21 | 1999-05-06 | Abb Patent Gmbh | Device for testing a residual current circuit breaker |
GB2341737B (en) * | 1998-09-17 | 2003-03-05 | Alstom Uk Ltd | Fault protection apparatus |
US20020135957A1 (en) * | 2001-03-20 | 2002-09-26 | Chan David Y. | Neutral switch test mechanism for a circuit interrupter |
AT410735B (en) * | 2001-06-12 | 2003-07-25 | Moeller Gebaeudeautomation Kg | CIRCUIT ARRANGEMENT FOR A FAULT CURRENT CIRCUIT BREAKER |
CN2669207Y (en) * | 2003-12-19 | 2005-01-05 | 韩震 | Time tester of oven-current protection relay of heat relay |
-
2005
- 2005-07-06 HK HK05105699A patent/HK1073581A1/en not_active IP Right Cessation
- 2005-07-26 CN CNB2005100845507A patent/CN100362356C/en not_active Expired - Fee Related
-
2006
- 2006-02-06 HK HK06101555A patent/HK1081653A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN100362356C (en) | 2008-01-16 |
HK1081653A1 (en) | 2006-05-19 |
CN1712977A (en) | 2005-12-28 |
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Legal Events
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PS | Patent surrendered |