CN112054492B - 缺相故障检测方法、装置、存储介质和配电网关 - Google Patents
缺相故障检测方法、装置、存储介质和配电网关 Download PDFInfo
- Publication number
- CN112054492B CN112054492B CN202010939316.2A CN202010939316A CN112054492B CN 112054492 B CN112054492 B CN 112054492B CN 202010939316 A CN202010939316 A CN 202010939316A CN 112054492 B CN112054492 B CN 112054492B
- Authority
- CN
- China
- Prior art keywords
- phase
- current
- setting value
- comparison result
- absolute value
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/16—Measuring asymmetry of polyphase networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010939316.2A CN112054492B (zh) | 2020-09-09 | 2020-09-09 | 缺相故障检测方法、装置、存储介质和配电网关 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010939316.2A CN112054492B (zh) | 2020-09-09 | 2020-09-09 | 缺相故障检测方法、装置、存储介质和配电网关 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112054492A CN112054492A (zh) | 2020-12-08 |
CN112054492B true CN112054492B (zh) | 2023-06-27 |
Family
ID=73609814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010939316.2A Active CN112054492B (zh) | 2020-09-09 | 2020-09-09 | 缺相故障检测方法、装置、存储介质和配电网关 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112054492B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115144661A (zh) * | 2021-03-31 | 2022-10-04 | 宁波奥克斯电气股份有限公司 | 一种缺相检测电路与电子设备 |
WO2022247637A1 (zh) * | 2021-05-26 | 2022-12-01 | 佛山市顺德区美的电子科技有限公司 | 一种故障检测方法、装置、设备、系统及存储介质 |
CN114624627A (zh) * | 2022-02-25 | 2022-06-14 | 广州市仟顺电子设备有限公司 | 交流电缆接地故障检测方法、系统、装置及存储介质 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105606908A (zh) * | 2015-12-24 | 2016-05-25 | 北京合康亿盛变频科技股份有限公司 | 三相交流电路缺相故障的检测方法和检测装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5181026A (en) * | 1990-01-12 | 1993-01-19 | Granville Group, Inc., The | Power transmission line monitoring system |
GB9624724D0 (en) * | 1996-11-28 | 1997-01-15 | Marconi Gec Ltd | Electric motor monitoring arrangement |
CN101171730B (zh) * | 2005-05-13 | 2010-12-08 | Abb技术有限公司 | 改进相电压损失期间的操作可靠性的方法和设备 |
CN105762776B (zh) * | 2016-04-12 | 2019-07-12 | 中国电力科学研究院 | 一种电力线零序保护方法 |
CN106093683B (zh) * | 2016-06-29 | 2019-03-12 | 河南平芝高压开关有限公司 | 加热器断线检测系统以及断线检测方法 |
CN106997016B (zh) * | 2017-03-29 | 2019-05-10 | 中国农业大学 | 一种低压配电线路断线故障识别方法及装置 |
CN108808640B (zh) * | 2018-08-21 | 2024-05-28 | 国网河南省电力公司濮阳供电公司 | 一种配电网零线断线保护器及其控制方法 |
-
2020
- 2020-09-09 CN CN202010939316.2A patent/CN112054492B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105606908A (zh) * | 2015-12-24 | 2016-05-25 | 北京合康亿盛变频科技股份有限公司 | 三相交流电路缺相故障的检测方法和检测装置 |
Also Published As
Publication number | Publication date |
---|---|
CN112054492A (zh) | 2020-12-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112054492B (zh) | 缺相故障检测方法、装置、存储介质和配电网关 | |
US8718959B2 (en) | Method and apparatus for high-speed fault detection in distribution systems | |
CN102089667B (zh) | 电力系统中监视互感器二次回路的方法和设备 | |
CN108649532B (zh) | 一种注入式变压器线路缺相保护方法及装置 | |
Mohamed et al. | A review on the proposed solutions to microgrid protection problems | |
CN110320432B (zh) | 单相断线故障检测和保护方法及系统 | |
CN103869202B (zh) | 变压器高压侧断相的检测方法及系统 | |
CN108521116B (zh) | 一种用于对输电线路纵向故障进行识别的方法及系统 | |
CN105743071B (zh) | 一种继电保护在线安全裕度评估系统 | |
CN106532641A (zh) | 基于电流电压相位角的并联干式空心电抗器的保护方法 | |
CN112014772B (zh) | 断零故障检测方法、装置、存储介质和配电网关 | |
CN107247217B (zh) | 一种配电网故障定位装置 | |
CN103066575A (zh) | 快速查找故障的控制方法 | |
CN106771770B (zh) | 一种用于广域保护试验的动模试验系统 | |
CN109301799A (zh) | 一种防止同塔多回线纵联零序方向保护误动的方法和系统 | |
CN117096836A (zh) | 同杆多回线路的越级跳闸保护系统、方法及存储介质 | |
CN113655377B (zh) | 抽水蓄能发电电动机的断路器失灵故障检测方法及装置 | |
CN113363952B (zh) | 基于相邻节点比较的配电网保护交流回路故障监测方法 | |
CN109193595A (zh) | 基于电流相位比较的有源配电网故障隔离方法 | |
CN113671312A (zh) | 一种死区故障识别方法以及负荷侧保护装置 | |
CN117517806B (zh) | 一种配电变压器高压侧缺相故障的监测方法及终端 | |
CN105633922A (zh) | 一种电气回路并联节点故障的逻辑式保护装置 | |
Cheng et al. | Hardware-in-the-loop Testing of Network Protectors for Low-Voltage Networks with Distributed Energy Resources | |
CN205595775U (zh) | 一种电气回路并联节点故障的逻辑式保护装置 | |
CN203839960U (zh) | 一种带有电流检测功能的无功补偿用智能复合开关 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
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 | ||
CP03 | Change of name, title or address |
Address after: Room 86, room 406, No. 1, Yichuang street, Zhongxin knowledge city, Huangpu District, Guangzhou, Guangdong 510700 Patentee after: Southern Power Grid Digital Grid Research Institute Co.,Ltd. Country or region after: China Patentee after: ELECTRIC POWER SCIENCE & RESEARCH INSTITUTE OF GUANGXI POWER GRID Corp. Address before: Room 86, room 406, No. 1, Yichuang street, Zhongxin knowledge city, Huangpu District, Guangzhou, Guangdong 510700 Patentee before: Southern Power Grid Digital Grid Research Institute Co.,Ltd. Country or region before: China Patentee before: ELECTRIC POWER SCIENCE & RESEARCH INSTITUTE OF GUANGXI POWER GRID Corp. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20241018 Address after: 510700, Floor 20, Unit 3, Building 2, No. 11 Spectral Middle Road, Huangpu District, Guangzhou City, Guangdong Province, China Patentee after: Southern Power Grid Digital Grid Group Co.,Ltd. Country or region after: China Patentee after: ELECTRIC POWER SCIENCE & RESEARCH INSTITUTE OF GUANGXI POWER GRID Corp. Address before: Room 86, room 406, No. 1, Yichuang street, Zhongxin knowledge city, Huangpu District, Guangzhou, Guangdong 510700 Patentee before: Southern Power Grid Digital Grid Research Institute Co.,Ltd. Country or region before: China Patentee before: ELECTRIC POWER SCIENCE & RESEARCH INSTITUTE OF GUANGXI POWER GRID Corp. |