CN1543032A - Circuit longitudinal differential protection braking curve and closed locking angle testing method - Google Patents
Circuit longitudinal differential protection braking curve and closed locking angle testing method Download PDFInfo
- Publication number
- CN1543032A CN1543032A CNA2003101035194A CN200310103519A CN1543032A CN 1543032 A CN1543032 A CN 1543032A CN A2003101035194 A CNA2003101035194 A CN A2003101035194A CN 200310103519 A CN200310103519 A CN 200310103519A CN 1543032 A CN1543032 A CN 1543032A
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- Prior art keywords
- differential protection
- braking curve
- locking angle
- phase
- longitudinal differential
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- 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.)
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2003101035194A CN100353630C (en) | 2003-11-06 | 2003-11-06 | Circuit longitudinal differential protection braking curve and closed locking angle testing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2003101035194A CN100353630C (en) | 2003-11-06 | 2003-11-06 | Circuit longitudinal differential protection braking curve and closed locking angle testing method |
Publications (2)
Publication Number | Publication Date |
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CN1543032A true CN1543032A (en) | 2004-11-03 |
CN100353630C CN100353630C (en) | 2007-12-05 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2003101035194A Expired - Lifetime CN100353630C (en) | 2003-11-06 | 2003-11-06 | Circuit longitudinal differential protection braking curve and closed locking angle testing method |
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CN (1) | CN100353630C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100459356C (en) * | 2006-06-16 | 2009-02-04 | 天津大学 | Split-phase current phase differential protecting method for extra-high voltage transmission line |
CN114221307A (en) * | 2021-12-09 | 2022-03-22 | 南京南瑞继保电气有限公司 | Line differential protection braking coefficient adjusting method and device and electronic equipment |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3575171B2 (en) * | 1996-06-19 | 2004-10-13 | 株式会社明電舎 | Testing method of optical PCM current differential relay with representative end judgment method |
FR2774822B1 (en) * | 1998-02-11 | 2000-03-17 | Schneider Electric Ind Sa | DIFFERENTIAL PROTECTION DEVICE |
US6518767B1 (en) * | 2000-10-19 | 2003-02-11 | Schweitzer Engineering Laboratories, Inc. | Line differential protection system for a power transmission line |
-
2003
- 2003-11-06 CN CNB2003101035194A patent/CN100353630C/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100459356C (en) * | 2006-06-16 | 2009-02-04 | 天津大学 | Split-phase current phase differential protecting method for extra-high voltage transmission line |
CN114221307A (en) * | 2021-12-09 | 2022-03-22 | 南京南瑞继保电气有限公司 | Line differential protection braking coefficient adjusting method and device and electronic equipment |
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Publication number | Publication date |
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CN100353630C (en) | 2007-12-05 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: BEIJING SIFANG JIBAO AUTOMATION CO., LTD. Free format text: FORMER NAME OR ADDRESS: SIFANG JIBAO AUTOMATION CO., LTD., BEIJING |
|
CP01 | Change in the name or title of a patent holder |
Address after: No. four, 9 street, information industry base, Haidian District, Beijing Patentee after: BEIJING SIFANG AUTOMATION Co.,Ltd. Address before: No. four, 9 street, information industry base, Haidian District, Beijing Patentee before: Beijing Sifang Automation Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190321 Address after: 100085 9, four street, Shang Di information industry base, Haidian District, Beijing. Co-patentee after: BEIJING SIFANG ENGINEERING Co.,Ltd. Patentee after: BEIJING SIFANG AUTOMATION Co.,Ltd. Address before: 100085 9, four street, Shang Di information industry base, Haidian District, Beijing. Patentee before: BEIJING SIFANG AUTOMATION Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20071205 |