CN100375357C - 输电线纵差保护中的双端测试方法 - Google Patents
输电线纵差保护中的双端测试方法 Download PDFInfo
- Publication number
- CN100375357C CN100375357C CNB2005100484496A CN200510048449A CN100375357C CN 100375357 C CN100375357 C CN 100375357C CN B2005100484496 A CNB2005100484496 A CN B2005100484496A CN 200510048449 A CN200510048449 A CN 200510048449A CN 100375357 C CN100375357 C CN 100375357C
- Authority
- CN
- China
- Prior art keywords
- double
- voltage
- sides
- phase
- test
- 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.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 87
- 230000005540 biological transmission Effects 0.000 title claims abstract description 12
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 230000010363 phase shift Effects 0.000 claims description 4
- 238000010998 test method Methods 0.000 abstract description 5
- 230000001960 triggered effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 239000013307 optical fiber Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100484496A CN100375357C (zh) | 2005-10-26 | 2005-10-26 | 输电线纵差保护中的双端测试方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100484496A CN100375357C (zh) | 2005-10-26 | 2005-10-26 | 输电线纵差保护中的双端测试方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1753264A CN1753264A (zh) | 2006-03-29 |
CN100375357C true CN100375357C (zh) | 2008-03-12 |
Family
ID=36679984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100484496A Expired - Fee Related CN100375357C (zh) | 2005-10-26 | 2005-10-26 | 输电线纵差保护中的双端测试方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100375357C (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101841446B (zh) * | 2010-05-25 | 2012-04-25 | 许继集团有限公司 | 纵联通道传输装置、光纤差动保护装置及方法 |
CN102684176B (zh) * | 2012-05-11 | 2015-01-14 | 许继电气股份有限公司 | 一种基于终端设备检修的配电网网络化差动保护方法 |
CN103474971B (zh) * | 2012-06-06 | 2016-03-23 | 施耐德电器工业公司 | 基于比相原理的多端线路导引线差动保护装置 |
CN104267276B (zh) * | 2014-09-23 | 2017-03-29 | 中冶天工上海十三冶建设有限公司 | 用低压堵转电流对高压电动机纵差动保护进行检查的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4855861A (en) * | 1987-11-12 | 1989-08-08 | Asea Brown Boveri Ab | Longitudinal differential protection |
WO1993016517A1 (en) * | 1992-02-12 | 1993-08-19 | Asea Brown Boveri Ab | Method and device for preventing overstabilization of longitudinal differential protection in case of internal fault |
CN1543033A (zh) * | 2003-11-06 | 2004-11-03 | 北京四方继保自动化有限公司 | 线路纵联差动保护的远方环回测试技术 |
-
2005
- 2005-10-26 CN CNB2005100484496A patent/CN100375357C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4855861A (en) * | 1987-11-12 | 1989-08-08 | Asea Brown Boveri Ab | Longitudinal differential protection |
WO1993016517A1 (en) * | 1992-02-12 | 1993-08-19 | Asea Brown Boveri Ab | Method and device for preventing overstabilization of longitudinal differential protection in case of internal fault |
CN1543033A (zh) * | 2003-11-06 | 2004-11-03 | 北京四方继保自动化有限公司 | 线路纵联差动保护的远方环回测试技术 |
Non-Patent Citations (1)
Title |
---|
利用GPS实现高压线路保护的远距离双端测试. 张克元,罗静,赵明.继电器,第28卷第1期. 2000 * |
Also Published As
Publication number | Publication date |
---|---|
CN1753264A (zh) | 2006-03-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Chakrabarti et al. | Measurements get together | |
CN100570377C (zh) | 消弧线圈自动跟踪补偿装置电容电流的测量方法 | |
CN103176142B (zh) | 一种光伏电站并网适应性测试方法 | |
Gao et al. | Design and evaluation of a directional algorithm for transmission-line protection based on positive-sequence fault components | |
CN100375357C (zh) | 输电线纵差保护中的双端测试方法 | |
CN102981079B (zh) | 直挂式动态无功发生装置响应波形检测方法 | |
CN205910263U (zh) | 一种中性点不接地配电网电容电流测量系统 | |
CN101533053A (zh) | 静态无功补偿试验平台负载模拟及检测装置 | |
CN102033177B (zh) | 一种配电网电力线路功率角测量方法及测量系统 | |
CN105785157A (zh) | 双主变纵联差动保护合环测试方法 | |
CN106941252A (zh) | 不需电压量的含dg配电网馈线保护方法 | |
Schweitzer et al. | Real-world synchrophasor solutions | |
CN110927519A (zh) | 基于μPMU量测值的主动配电网故障定位方法 | |
CN106571645A (zh) | 发电机一次系统核相方法 | |
CN203396866U (zh) | 一种电动汽车储能并网逆变器防孤岛检测系统 | |
CN103033700B (zh) | 动态无功补偿装置响应波形测试方法 | |
Jamali et al. | Accurate fault location method in distribution networks containing distributed generations | |
Terzija et al. | Symmetrical components estimation through nonrecursive Newton-type numerical algorithm | |
Song et al. | Fault steady-state analysis method for the AC system with LCC-HVDC infeed | |
CN103176030B (zh) | 配电系统的间谐波检测方法 | |
US20160179991A1 (en) | Microgrid troubleshooting method | |
CN111624488A (zh) | 一种发变组差动保护极性测试系统及方法 | |
CN203054126U (zh) | 一种基于高次谐波等效阻抗特性电力系统扰动源定位系统 | |
Liang et al. | Comparisons of impact on the modeling detail on real time simulation of large power systems with HVDC | |
CN112834835B (zh) | 一种发电机无冲击并网的线序检测方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xinjiang Xinneng Xuji Automation Co., Ltd. Assignor: Xuji Group Co., Ltd.|Xuji Electric Co., Ltd. Contract fulfillment period: 2009.2.25 to 2014.2.25 Contract record no.: 2009650000001 Denomination of invention: Double end testing method in power transmission line longitudinal difference protection Granted publication date: 20080312 License type: Exclusive license Record date: 2009.3.9 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.2.25 TO 2014.2.25; CHANGE OF CONTRACT Name of requester: XINJIANG XINNENGXUJU AUTOMATION CO., LTD. Effective date: 20090309 |
|
ASS | Succession or assignment of patent right |
Owner name: XUJI ELECTRIC CO., LTD. STATE GRID CORPORATION OF Free format text: FORMER OWNER: XUJI ELECTRIC CO., LTD. Effective date: 20121203 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121203 Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee after: Xuji Group Co., Ltd. Patentee after: Xuji Electric Co., Ltd. Patentee after: State Grid Corporation of China Address before: No. 178 Xuchang City, Henan province 461000 XJ Avenue Patentee before: Xuji Group Co., Ltd. Patentee before: Xuji Electric Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20181026 |
|
CF01 | Termination of patent right due to non-payment of annual fee |