CN116780747A - 一种提高分段备自投电压断线时动作正确率的方法 - Google Patents
一种提高分段备自投电压断线时动作正确率的方法 Download PDFInfo
- Publication number
- CN116780747A CN116780747A CN202310809147.4A CN202310809147A CN116780747A CN 116780747 A CN116780747 A CN 116780747A CN 202310809147 A CN202310809147 A CN 202310809147A CN 116780747 A CN116780747 A CN 116780747A
- Authority
- CN
- China
- Prior art keywords
- automatic switching
- spare power
- power automatic
- current
- voltage
- 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
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000009471 action Effects 0.000 title claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims abstract description 24
- 239000013598 vector Substances 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims abstract description 4
- 230000009466 transformation Effects 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310809147.4A CN116780747B (zh) | 2023-07-04 | 2023-07-04 | 一种提高分段备自投电压断线时动作正确率的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310809147.4A CN116780747B (zh) | 2023-07-04 | 2023-07-04 | 一种提高分段备自投电压断线时动作正确率的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN116780747A true CN116780747A (zh) | 2023-09-19 |
CN116780747B CN116780747B (zh) | 2024-06-14 |
Family
ID=87994500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202310809147.4A Active CN116780747B (zh) | 2023-07-04 | 2023-07-04 | 一种提高分段备自投电压断线时动作正确率的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN116780747B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117388759A (zh) * | 2023-12-07 | 2024-01-12 | 国网辽宁省电力有限公司 | 一种利用变电站监控数据的母线断线判别方法及装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104539043A (zh) * | 2015-01-22 | 2015-04-22 | 江苏省电力公司扬州供电公司 | 一种备用电源自投装置系统及其自投方法 |
CN109861180A (zh) * | 2019-04-02 | 2019-06-07 | 国网江苏省电力有限公司镇江供电分公司 | 防分段断路器死区故障母差保护闭锁备自投保护方法 |
WO2021139071A1 (zh) * | 2020-01-09 | 2021-07-15 | 赫兹曼电力(广东)有限公司 | 一种智能户外开关箱及其闭环工字型配电网 |
-
2023
- 2023-07-04 CN CN202310809147.4A patent/CN116780747B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104539043A (zh) * | 2015-01-22 | 2015-04-22 | 江苏省电力公司扬州供电公司 | 一种备用电源自投装置系统及其自投方法 |
CN109861180A (zh) * | 2019-04-02 | 2019-06-07 | 国网江苏省电力有限公司镇江供电分公司 | 防分段断路器死区故障母差保护闭锁备自投保护方法 |
WO2021139071A1 (zh) * | 2020-01-09 | 2021-07-15 | 赫兹曼电力(广东)有限公司 | 一种智能户外开关箱及其闭环工字型配电网 |
Non-Patent Citations (2)
Title |
---|
吴兴龙;李少飞;: "一起并网风电引起的备自投装置误动事故分析", 安徽电力, no. 02, 30 June 2018 (2018-06-30) * |
蓝叶锋;屠秉慧;杨光;: "一起特定接线方式下备自投误动事件分析", 科技创新与应用, no. 30, 28 October 2015 (2015-10-28) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117388759A (zh) * | 2023-12-07 | 2024-01-12 | 国网辽宁省电力有限公司 | 一种利用变电站监控数据的母线断线判别方法及装置 |
CN117388759B (zh) * | 2023-12-07 | 2024-02-23 | 国网辽宁省电力有限公司 | 一种利用变电站监控数据的母线断线判别方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
CN116780747B (zh) | 2024-06-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109713648B (zh) | 快速切除不完整内桥接线死区故障的继电保护方法 | |
CN110350651B (zh) | 110kV单母线故障的备自投防误动方法 | |
CN104539043A (zh) | 一种备用电源自投装置系统及其自投方法 | |
CN116780747B (zh) | 一种提高分段备自投电压断线时动作正确率的方法 | |
CN110729709B (zh) | 测量变压器中性点电压110kV线路断线继电保护方法 | |
JP2008022622A (ja) | 送配電系統の短絡電流減少システムおよび短絡電流減少方法 | |
CN112491040A (zh) | 用于超导电缆备用电源线路的自动切换装置及其运行方法 | |
CN111668922A (zh) | 一种变电站10kV备自投动作方法 | |
CN113625189B (zh) | 测量变压器低压侧相电压的110kV线路断线保护方法 | |
CN111641193B (zh) | 一种自适应双母线失灵保护方法及装置 | |
CN111130071A (zh) | 适用于小电流接地系统的接地故障自愈系统 | |
CN110752664A (zh) | 双电源快速切换装置 | |
CN110896247A (zh) | 母联开关自动控制系统 | |
CN113466742B (zh) | 基于变压器低压侧线电压的110kV线路自适应断线保护方法 | |
CN105244858A (zh) | 防止电网距离保护先启动后失压误动的方法 | |
CN105244857A (zh) | 防止电网距离保护先启动后失压误动的方法 | |
CN112086941B (zh) | 基于定值配合图的配电网线路定值投退检测方法及系统 | |
CN109412256B (zh) | 一种备用电源投入方法及装置 | |
CN111431181A (zh) | 电力系统中备自投的控制方法、装置及电力系统的备自投 | |
CN113224734A (zh) | 一种线路辅助保护的实现方法及终端 | |
CN111224384A (zh) | 比较线路两侧线电压向量差采用合解环操作断线保护方法 | |
CN115800213B (zh) | 一种分布式配电自动化测控终端 | |
CN218603178U (zh) | 一种防止厂用电系统越级跳闸的保护测控装置 | |
CN113629671B (zh) | 测量变压器低压侧线电压的110kV线路断线保护方法 | |
RU2777031C1 (ru) | Способ защиты токоограничивающего устройства на основе высокотемпературных сверхпроводников в линии высоковольтной сети без шунтирующего элемента и комплекс релейных защит для реализации способа |
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 | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20240517 Address after: 223800 no.2481 Fazhan Avenue, Sucheng District, Suqian City, Jiangsu Province Applicant after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. SUQIAN POWER SUPPLY BRANCH Country or region after: China Applicant after: SUQIAN ELECTRIC POWER DESIGN INSTITUTE Co.,Ltd. Address before: 223800 no.2481, Fazhan Avenue, Suqian City, Jiangsu Province Applicant before: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. SUQIAN POWER SUPPLY BRANCH Country or region before: China |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |