CN106501660A - 利用控制两路电流相位和幅值测量变压器保护向量的方法 - Google Patents
利用控制两路电流相位和幅值测量变压器保护向量的方法 Download PDFInfo
- Publication number
- CN106501660A CN106501660A CN201611059894.7A CN201611059894A CN106501660A CN 106501660 A CN106501660 A CN 106501660A CN 201611059894 A CN201611059894 A CN 201611059894A CN 106501660 A CN106501660 A CN 106501660A
- Authority
- CN
- China
- Prior art keywords
- current
- phase
- sides
- phases
- relaying device
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/62—Testing of transformers
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611059894.7A CN106501660B (zh) | 2016-11-22 | 2016-11-22 | 利用控制两路电流相位和幅值测量变压器保护向量的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611059894.7A CN106501660B (zh) | 2016-11-22 | 2016-11-22 | 利用控制两路电流相位和幅值测量变压器保护向量的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106501660A true CN106501660A (zh) | 2017-03-15 |
CN106501660B CN106501660B (zh) | 2019-04-12 |
Family
ID=58327501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611059894.7A Active CN106501660B (zh) | 2016-11-22 | 2016-11-22 | 利用控制两路电流相位和幅值测量变压器保护向量的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106501660B (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103616657A (zh) * | 2013-12-02 | 2014-03-05 | 国家电网公司 | 单间隔电流互感器的试验方法 |
CN103743994A (zh) * | 2014-01-27 | 2014-04-23 | 广州供电局有限公司 | 低压带负荷测试方法及装置 |
CN104597372A (zh) * | 2014-12-31 | 2015-05-06 | 中国二冶集团有限公司 | 一种继电保护二次系统的校验方法 |
CN105388385A (zh) * | 2015-12-16 | 2016-03-09 | 国家电网公司 | 母差保护向量的集中测试方法 |
CN107340448A (zh) * | 2016-11-22 | 2017-11-10 | 国家电网公司东北分部 | 利用控制电压和电流相位测量线路保护装置向量的方法 |
-
2016
- 2016-11-22 CN CN201611059894.7A patent/CN106501660B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103616657A (zh) * | 2013-12-02 | 2014-03-05 | 国家电网公司 | 单间隔电流互感器的试验方法 |
CN103743994A (zh) * | 2014-01-27 | 2014-04-23 | 广州供电局有限公司 | 低压带负荷测试方法及装置 |
CN104597372A (zh) * | 2014-12-31 | 2015-05-06 | 中国二冶集团有限公司 | 一种继电保护二次系统的校验方法 |
CN105388385A (zh) * | 2015-12-16 | 2016-03-09 | 国家电网公司 | 母差保护向量的集中测试方法 |
CN107340448A (zh) * | 2016-11-22 | 2017-11-10 | 国家电网公司东北分部 | 利用控制电压和电流相位测量线路保护装置向量的方法 |
Non-Patent Citations (1)
Title |
---|
王静萍 等: "变压器差动保护带负荷相量测试", 《电工技术》 * |
Also Published As
Publication number | Publication date |
---|---|
CN106501660B (zh) | 2019-04-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3605773B1 (en) | Safe operation method for voltage reduction and arc suppression of ground fault phase of non-effective grounding system | |
Gao et al. | Design and evaluation of a directional algorithm for transmission-line protection based on positive-sequence fault components | |
US20090219655A1 (en) | Method and device for preventing fire caused by defects in electric circuits and arrangements | |
CN105223427B (zh) | 故障电弧的检测方法和检测装置 | |
CN105917539A (zh) | 一种电抗器的匝间保护方法和装置 | |
CN102540001A (zh) | 500kV变电站模拟穿越式三相短路检验交流电流回路的方法 | |
CN102608485B (zh) | 变电站零序电流回路检验方法 | |
CN102565618A (zh) | 变电站零序电压回路检验方法 | |
CN102243283A (zh) | 电压二次回路的中性线断线检测方法和装置 | |
Tong et al. | A novel transmission line fault detection algorithm based on pilot impedance | |
CN104330687A (zh) | 供电系统漏电故障检测方法及装置 | |
CN102998583B (zh) | 电压回路中性线断线的判定方法 | |
CN107300684B (zh) | 一种变压器差动保护二次回路的校核方法 | |
Zheng et al. | Protection scheme for turn-to-turn faults of magnetically controlled shunt reactor based on waveform similarity comparison | |
CN105974226A (zh) | 一种便携式电力设备试验电源装置及其检测方法 | |
CN103076529B (zh) | Ct二次回路智能检测方法 | |
CN207662990U (zh) | 一种ct二次回路开路和虚接的检测系统 | |
Pirmani et al. | A modified charge similarity approach for detecting high impedance earth faults in resonant grounded power distribution networks | |
CN103809146A (zh) | 主变电流互感器的试验方法 | |
Rambabu et al. | Three zone protection by using distance relays in simulink/matlab | |
CN204179639U (zh) | 智能漏电断路器 | |
CN107340448B (zh) | 利用控制电压和电流相位测量线路保护装置向量的方法 | |
CN103809039A (zh) | 变电站中电流互感器的试验方法 | |
CN106501660B (zh) | 利用控制两路电流相位和幅值测量变压器保护向量的方法 | |
CN203191498U (zh) | 小电流接地选线装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Sun Zhengwei Inventor after: Ben Chi Inventor after: Sun Yu Inventor after: Li Dan Inventor after: Liu Jiaqing Inventor after: Bao Bin Inventor after: Yin Hongmin Inventor after: Wang Kaibai Inventor after: Wu Zhiqi Inventor after: Fan Kai Inventor after: Tao Yuchao Inventor after: Liao Xiaochun Inventor before: Sun Zhengwei Inventor before: Liu Jiaqing Inventor before: Bao Bin Inventor before: Yin Hongmin Inventor before: Wang Kaibai Inventor before: Wu Zhiqi Inventor before: Fan Kai Inventor before: Tao Yuchao Inventor before: Liao Xiaochun |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |