CN107516870A - A kind of cable run automatic reclosing method based on short circuit current heat localization process - Google Patents
A kind of cable run automatic reclosing method based on short circuit current heat localization process Download PDFInfo
- Publication number
- CN107516870A CN107516870A CN201710948475.7A CN201710948475A CN107516870A CN 107516870 A CN107516870 A CN 107516870A CN 201710948475 A CN201710948475 A CN 201710948475A CN 107516870 A CN107516870 A CN 107516870A
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- CN
- China
- Prior art keywords
- cable
- mrow
- circuit current
- short
- automatic reclosing
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000004807 localization Effects 0.000 title abstract 4
- 239000002184 metal Substances 0.000 claims abstract description 7
- 238000009825 accumulation Methods 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000020169 heat generation Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/085—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current making use of a thermal sensor, e.g. thermistor, heated by the excess current
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
Description
Tmaxtemperature range of | Scoring |
(-∞,90℃) | 100 |
[90℃,135℃) | 80 |
[135℃,250℃) | 60 |
[250℃,+∞) | 0 |
operating life | Scoring |
Less than 5 years | 100 |
More than 5 years and less than 15 years | 80 |
More than 15 years and less than 25 years | 60 |
More than 25 years | 0 |
total score | Number of reclosure cycles |
[90,100] | 2 |
[80,90) | 1 |
[0,80) | Automatic reclosing switch for strictly forbidden configuration |
laying type | Scoring |
Direct buried/overhead | 100 |
Calandria | 80 |
Groove | 60 |
Tunnel | 0 |
operating life | Scoring |
Less than 5 years | 100 |
More than 5 years and less than 15 years | 80 |
More than 15 years and less than 25 years | 60 |
More than 25 years | 0 |
total score | Number of reclosure cycles |
[90,100] | 2 |
[80,90) | 1 |
[0,80) | Automatic reclosing switch for strictly forbidden configuration |
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710948475.7A CN107516870B (en) | 2017-10-12 | 2017-10-12 | A kind of cable run automatic reclosing method based on short circuit current heat localization process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710948475.7A CN107516870B (en) | 2017-10-12 | 2017-10-12 | A kind of cable run automatic reclosing method based on short circuit current heat localization process |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107516870A true CN107516870A (en) | 2017-12-26 |
CN107516870B CN107516870B (en) | 2019-04-26 |
Family
ID=60727190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710948475.7A Active CN107516870B (en) | 2017-10-12 | 2017-10-12 | A kind of cable run automatic reclosing method based on short circuit current heat localization process |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107516870B (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1780858A1 (en) * | 2005-10-31 | 2007-05-02 | ABB Technology AG | Arrangement and method for protecting an electric power system |
CN101789587A (en) * | 2010-01-08 | 2010-07-28 | 黄震 | Automatic reclosing method of A type overhead line- cable hybrid line |
CN102749554A (en) * | 2012-06-19 | 2012-10-24 | 张忠华 | Electric power circuit fault detecting system |
-
2017
- 2017-10-12 CN CN201710948475.7A patent/CN107516870B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1780858A1 (en) * | 2005-10-31 | 2007-05-02 | ABB Technology AG | Arrangement and method for protecting an electric power system |
CN101789587A (en) * | 2010-01-08 | 2010-07-28 | 黄震 | Automatic reclosing method of A type overhead line- cable hybrid line |
CN102749554A (en) * | 2012-06-19 | 2012-10-24 | 张忠华 | Electric power circuit fault detecting system |
Non-Patent Citations (1)
Title |
---|
杨军: ""高温超导电缆保护理论与技术研究"", 《中国优秀博士学位论文全文数据库》 * |
Also Published As
Publication number | Publication date |
---|---|
CN107516870B (en) | 2019-04-26 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee after: STATE GRID CORPORATION OF CHINA Country or region after: China Patentee after: STATE GRID SHAANXI ELECTRIC POWER Research Institute Patentee after: XI'AN JIAOTONG University Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: State Grid Corporation of China Country or region before: China Patentee before: STATE GRID SHAANXI ELECTRIC POWER Research Institute Patentee before: XI'AN JIAOTONG University |
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CP03 | Change of name, title or address | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240722 Address after: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee after: STATE GRID CORPORATION OF CHINA Country or region after: China Patentee after: Electric Power Research Institute of State Grid Shaanxi Electric Power Co.,Ltd. Patentee after: XI'AN JIAOTONG University Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: STATE GRID CORPORATION OF CHINA Country or region before: China Patentee before: STATE GRID SHAANXI ELECTRIC POWER Research Institute Patentee before: XI'AN JIAOTONG University |
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TR01 | Transfer of patent right |