CN104078947A - 基于零序补偿的双回线路非同名相跨线接地故障判别方法 - Google Patents
基于零序补偿的双回线路非同名相跨线接地故障判别方法 Download PDFInfo
- Publication number
- CN104078947A CN104078947A CN201410318841.7A CN201410318841A CN104078947A CN 104078947 A CN104078947 A CN 104078947A CN 201410318841 A CN201410318841 A CN 201410318841A CN 104078947 A CN104078947 A CN 104078947A
- Authority
- CN
- China
- Prior art keywords
- centerdot
- double
- analyses
- phi
- sin
- 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.)
- Pending
Links
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410318841.7A CN104078947A (zh) | 2014-07-04 | 2014-07-04 | 基于零序补偿的双回线路非同名相跨线接地故障判别方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410318841.7A CN104078947A (zh) | 2014-07-04 | 2014-07-04 | 基于零序补偿的双回线路非同名相跨线接地故障判别方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104078947A true CN104078947A (zh) | 2014-10-01 |
Family
ID=51600057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410318841.7A Pending CN104078947A (zh) | 2014-07-04 | 2014-07-04 | 基于零序补偿的双回线路非同名相跨线接地故障判别方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104078947A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104950223A (zh) * | 2015-06-17 | 2015-09-30 | 国家电网公司 | 基于接地电阻实测的双回线路非同名相跨线高阻接地故障判别方法 |
CN107968384A (zh) * | 2017-10-20 | 2018-04-27 | 中国电力科学研究院有限公司 | 一种同杆多回路零序电流保护方法及装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020076574A (ko) * | 2001-03-29 | 2002-10-11 | 유호전기공업주식회사 | 리액턴스효과를 최소화하는 송전선로 보호용 거리계전기 |
CN103762560A (zh) * | 2014-02-18 | 2014-04-30 | 国家电网公司 | 双回线路非同名相跨线接地电抗距离保护方法 |
CN103760407A (zh) * | 2014-02-18 | 2014-04-30 | 国家电网公司 | 双回线路非同名相跨线接地故障点电压幅值和相角测量法 |
-
2014
- 2014-07-04 CN CN201410318841.7A patent/CN104078947A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020076574A (ko) * | 2001-03-29 | 2002-10-11 | 유호전기공업주식회사 | 리액턴스효과를 최소화하는 송전선로 보호용 거리계전기 |
CN103762560A (zh) * | 2014-02-18 | 2014-04-30 | 国家电网公司 | 双回线路非同名相跨线接地电抗距离保护方法 |
CN103760407A (zh) * | 2014-02-18 | 2014-04-30 | 国家电网公司 | 双回线路非同名相跨线接地故障点电压幅值和相角测量法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104950223A (zh) * | 2015-06-17 | 2015-09-30 | 国家电网公司 | 基于接地电阻实测的双回线路非同名相跨线高阻接地故障判别方法 |
CN107968384A (zh) * | 2017-10-20 | 2018-04-27 | 中国电力科学研究院有限公司 | 一种同杆多回路零序电流保护方法及装置 |
CN107968384B (zh) * | 2017-10-20 | 2022-04-05 | 中国电力科学研究院有限公司 | 一种同杆多回路零序电流保护方法及装置 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103762560B (zh) | 双回线路非同名相跨线接地电抗距离保护方法 | |
CN104035006A (zh) | 基于三角函数双回线路非同名相跨线接地故障判别方法 | |
CN104092200A (zh) | 双回线路非同名相跨线接地故障单端电气量稳态保护方法 | |
CN103762574B (zh) | 双回线路非同名相跨线接地阻抗距离保护方法 | |
CN103954879B (zh) | 一种带并联电抗器同杆双回线故障性质判别方法 | |
CN104767183A (zh) | 基于非同名相跨线接地点电压实测的双回线路非同名相跨线接地故障识别方法 | |
CN103795042B (zh) | 基于虚拟过渡阻抗的纵联保护系统及其保护方法 | |
CN101877480A (zh) | 输电线路单相自适应重合闸的电压补偿判别方法 | |
CN104049182B (zh) | 同杆并架双回线路单相接地故障类型诊断方法 | |
CN103227455A (zh) | 基于故障阻抗相位特性的线路单相接地故障继电保护方法 | |
CN102074941B (zh) | 一种基于分布参数模型线路相间电抗继电器 | |
CN103166207B (zh) | 基于沿线电压降落特性的线路单相接地故障继电保护方法 | |
CN104052035B (zh) | 同杆并架双回线路单相接地电抗继电器 | |
CN104049181A (zh) | 一种双回线路非同名相跨线接地故障判别方法 | |
CN104950210A (zh) | 基于虚拟阻抗虚部幅值特性双回线路非同名相跨线接地故障识别方法 | |
CN103760472B (zh) | 同杆并架双回线路同名故障相序诊断方法 | |
CN104078947A (zh) | 基于零序补偿的双回线路非同名相跨线接地故障判别方法 | |
CN105896486A (zh) | 基于相邻线路零序电流实测的双回线路非同名相跨线接地故障复合电压保护方法 | |
CN103760458A (zh) | 同杆并架双回线路单相接地故障方向判别方法 | |
CN103227458B (zh) | 基于电压降相位特性的线路单相接地故障继电保护方法 | |
CN103762567B (zh) | 基于故障位置因子的输电线路单相接地故障继电保护方法 | |
CN103296657B (zh) | 过负荷防误动和耐高阻的线路单相接地故障距离保护方法 | |
CN104950226A (zh) | 基于位置相对系数方向特性双回线路非同名相跨线接地故障识别方法 | |
CN103296646A (zh) | 利用分布参数实现线路单相接地故障距离保护方法 | |
CN103296656B (zh) | 具有选相功能的输电线路复合序分量电压保护方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
ASS | Succession or assignment of patent right |
Owner name: STATE GRID FUJIAN ELECTRIC POWER CO., LTD. MAINTEN Free format text: FORMER OWNER: STATE GRID FUJIAN ELECTRIC POWER CO., LTD. MAINTENANCE BRANCH COMPANY OF STATE GRID FUJIAN ELECTRIC POWER COMPANY Effective date: 20140922 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Zeng Huimin Inventor after: Lin Fuhong Inventor before: Zeng Huimin |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CENG HUIMIN TO: CENG HUIMIN LIN FUHONG |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20140922 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: State Grid Fujian Electric Power Co., Ltd. Applicant after: Maintenance branch company of State Grid Fujian Electric Power Co., Ltd. Applicant after: PUTIAN POWER SUPPLY COMPANY, STATE GRID FUJIAN ELECTRIC POWER CO., LTD. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: State Grid Fujian Electric Power Co., Ltd. Applicant before: Maintenance branch company of State Grid Fujian Electric Power Co., Ltd. |
|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141001 |