CN1277340C - 基于电阻变化规律的线路故障与振荡识别方法 - Google Patents
基于电阻变化规律的线路故障与振荡识别方法 Download PDFInfo
- Publication number
- CN1277340C CN1277340C CN 03146340 CN03146340A CN1277340C CN 1277340 C CN1277340 C CN 1277340C CN 03146340 CN03146340 CN 03146340 CN 03146340 A CN03146340 A CN 03146340A CN 1277340 C CN1277340 C CN 1277340C
- Authority
- CN
- China
- Prior art keywords
- sections
- section
- distance
- fault
- power system
- 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 - Lifetime
Links
Images
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03146340 CN1277340C (zh) | 2003-07-09 | 2003-07-09 | 基于电阻变化规律的线路故障与振荡识别方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03146340 CN1277340C (zh) | 2003-07-09 | 2003-07-09 | 基于电阻变化规律的线路故障与振荡识别方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1472858A CN1472858A (zh) | 2004-02-04 |
CN1277340C true CN1277340C (zh) | 2006-09-27 |
Family
ID=34156044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 03146340 Expired - Lifetime CN1277340C (zh) | 2003-07-09 | 2003-07-09 | 基于电阻变化规律的线路故障与振荡识别方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1277340C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101478150B (zh) * | 2009-01-20 | 2012-04-25 | 李景禄 | 输配电线路状态智能诊断方法及装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE530275C2 (sv) * | 2006-02-10 | 2008-04-15 | Abb Technology Ltd | Metod och anordning för ett adaptivt distansskyddsrelä för krafttransmissionsledningar |
CN100392936C (zh) * | 2006-06-15 | 2008-06-04 | 北京交通大学 | 一种基于距离算法的集成保护系统及其保护方法 |
CN102119474B (zh) * | 2008-07-07 | 2014-01-22 | Abb研究有限公司 | 应用于电力系统距离保护的快速振荡解锁方法和装置 |
CN103346544B (zh) * | 2013-07-22 | 2016-06-08 | 深圳供电局有限公司 | 电力线路距离iii段保护误动隐患消除方法及装置 |
CN103390886B (zh) * | 2013-08-06 | 2016-12-28 | 华北电力大学(保定) | 线路距离保护防误动方法 |
-
2003
- 2003-07-09 CN CN 03146340 patent/CN1277340C/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101478150B (zh) * | 2009-01-20 | 2012-04-25 | 李景禄 | 输配电线路状态智能诊断方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
CN1472858A (zh) | 2004-02-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1277340C (zh) | 基于电阻变化规律的线路故障与振荡识别方法 | |
CN203502558U (zh) | 一种高压断路器分/合闸线圈在线检测装置 | |
CN104044969A (zh) | 电梯故障预警方法和系统 | |
CN109491304A (zh) | 一种控制系统故障自检电路和故障自检方法 | |
CN103227662A (zh) | 一种基于状态控制的电力通信设备安全检测方法及系统 | |
CN101382572B (zh) | 浪涌保护器的新型检测装置 | |
CN115078985A (zh) | 一种继电器的故障检测装置 | |
CN106249069A (zh) | Igbt模块在线监测方法 | |
CN202951955U (zh) | 一种逆变焊机主电路的故障自检电路 | |
CN102684159A (zh) | 一种碎纸机电机控制电路和控制方法 | |
CN110908359B (zh) | 功能测试设备、方法及装置 | |
CN113917323B (zh) | 一种智能柱上开关监测系统及方法 | |
CN105515201B (zh) | 一种检测倒塔故障的闭锁自动重合闸装置及方法 | |
CN104316166A (zh) | 变电站异响视频定位方法 | |
CN106653421A (zh) | 一种断路器合分闸的控制方法 | |
CN106026045A (zh) | 一种含分布式电源的电缆线路故障处理方法 | |
CN202794462U (zh) | 分合闸线圈智能故障诊断装置 | |
CN110932391B (zh) | 一种站内馈线开关跳闸识别方法及系统 | |
CN104297675A (zh) | 一种断路器分、合闸全状态监测装置 | |
CN209972209U (zh) | 充电设备 | |
CN110021917B (zh) | 故障隔离定位系统 | |
CN106383298A (zh) | 一种配电网故障检测方法 | |
CN202872341U (zh) | 一种电机控制器 | |
CN112647927A (zh) | 一种钻机电控系统功率点温升阶梯式分级自动预警的方法 | |
CN111711261A (zh) | 一种厂用电源为异网电源进行手动切换自动判断的方法 |
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 | ||
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: 20190322 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: 20060927 |