CN102122811B - 数字化变电站电子式互感器双a/d采样的保护装置启动元件 - Google Patents
数字化变电站电子式互感器双a/d采样的保护装置启动元件 Download PDFInfo
- Publication number
- CN102122811B CN102122811B CN2011100644043A CN201110064404A CN102122811B CN 102122811 B CN102122811 B CN 102122811B CN 2011100644043 A CN2011100644043 A CN 2011100644043A CN 201110064404 A CN201110064404 A CN 201110064404A CN 102122811 B CN102122811 B CN 102122811B
- Authority
- CN
- China
- Prior art keywords
- starting component
- sampling
- action
- protective device
- protection
- 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
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Protection Of Transformers (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011100644043A CN102122811B (zh) | 2011-03-17 | 2011-03-17 | 数字化变电站电子式互感器双a/d采样的保护装置启动元件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011100644043A CN102122811B (zh) | 2011-03-17 | 2011-03-17 | 数字化变电站电子式互感器双a/d采样的保护装置启动元件 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102122811A CN102122811A (zh) | 2011-07-13 |
CN102122811B true CN102122811B (zh) | 2013-11-20 |
Family
ID=44251296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011100644043A Active CN102122811B (zh) | 2011-03-17 | 2011-03-17 | 数字化变电站电子式互感器双a/d采样的保护装置启动元件 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102122811B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102570425B (zh) * | 2012-02-16 | 2014-03-26 | 国电南瑞科技股份有限公司 | 双ad采样的微机保护中适用的启动ad启动元件动作方法 |
CN102684151B (zh) * | 2012-04-28 | 2015-01-07 | 辽宁省电力有限公司朝阳供电公司 | 双冗余a/d采样信号有效性判断方法及继电保护方法 |
CN104332297A (zh) * | 2014-09-19 | 2015-02-04 | 国家电网公司 | 微机保护装置用电流互感器 |
CN106684838B (zh) * | 2016-12-29 | 2019-05-14 | 许继集团有限公司 | 就地化继电保护控制装置和继电保护方法 |
CN106655076B (zh) * | 2016-12-29 | 2019-05-14 | 许继集团有限公司 | 就地化继电保护可靠性控制装置和继电保护方法 |
CN107276011A (zh) * | 2017-05-10 | 2017-10-20 | 许继电气股份有限公司 | 一种保护装置 |
CN108539706B (zh) * | 2018-05-17 | 2020-01-10 | 南京南瑞继保电气有限公司 | 一种继电保护装置信号处理方法 |
CN208737642U (zh) | 2018-07-12 | 2019-04-12 | 宁德时代新能源科技股份有限公司 | 烟雾报警*** |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201392502Y (zh) * | 2009-04-28 | 2010-01-27 | 南京中德保护控制***有限公司 | 数字化保护装置的采样数据信箱式传送接口电路 |
CN101707130A (zh) * | 2009-11-10 | 2010-05-12 | 深圳市科陆电子科技股份有限公司 | 组合式电子互感器 |
-
2011
- 2011-03-17 CN CN2011100644043A patent/CN102122811B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201392502Y (zh) * | 2009-04-28 | 2010-01-27 | 南京中德保护控制***有限公司 | 数字化保护装置的采样数据信箱式传送接口电路 |
CN101707130A (zh) * | 2009-11-10 | 2010-05-12 | 深圳市科陆电子科技股份有限公司 | 组合式电子互感器 |
Non-Patent Citations (2)
Title |
---|
数字化保护无效数据闭锁机制;洪毅文;《电力***保护与控制》;20101016;第38卷(第20期);第228-231页 * |
洪毅文.数字化保护无效数据闭锁机制.《电力***保护与控制》.2010,第38卷(第20期),第228-231页. |
Also Published As
Publication number | Publication date |
---|---|
CN102122811A (zh) | 2011-07-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102122811B (zh) | 数字化变电站电子式互感器双a/d采样的保护装置启动元件 | |
Sarangi et al. | Distributed generation hybrid AC/DC microgrid protection: A critical review on issues, strategies, and future directions | |
EP3672008A1 (en) | Series compensator, and control method | |
CN104614642A (zh) | 一种小电流接地选线方法 | |
CN103956712B (zh) | 一种适应过负荷状态接地距离保护解决方法 | |
Zain Yousaf et al. | Primary and backup fault detection techniques for multi‐terminal HVdc systems: a review | |
CN107069683B (zh) | 一种消除补偿器对线路距离保护的影响的方法和装置 | |
Monadi et al. | Implementation of the differential protection for MVDC distribution systems using real-time simulation and hardware-in-the-loop | |
US11128128B2 (en) | Directional over-current ground relay (DOCGR) using sampled value and method for operating the DOCGR | |
CN105024356A (zh) | 一种35kV及以下电压等级比率制动式母线保护方法 | |
CN113572193A (zh) | 分布式电源孤岛运行状态识别方法、融合终端及*** | |
CN106374441B (zh) | 一种快速保护*** | |
Zhao et al. | A risk assessment method for cascading failure caused by electric cyber-physical system (ECPS) | |
CN103683216A (zh) | 一种母线差动保护方法 | |
Rahman et al. | Cyber vulnerabilities on agent-based smart grid protection system | |
CN109784699B (zh) | 一种智能变电站110kV线路间隔SCD文件正确性检查的方法 | |
CN203674563U (zh) | 一种tn双电源***变压器接地电流检测装置 | |
CN202260419U (zh) | 数字式母联保护装置 | |
CN106684821A (zh) | 带自愈功能的智能配电保护装置及其应用 | |
CN106786507B (zh) | 智能变电站110千伏移动式母线pt合并单元 | |
CN201134661Y (zh) | 电力***微机测控保护装置 | |
CN101707351A (zh) | 防止微机保护装置受干扰和误动作的保护电路 | |
CN105470931B (zh) | 一种不受母线数据不同步影响的母线差动保护方法 | |
CN106447235B (zh) | 一种考虑线路保护的变电站主接线可靠性分析方法 | |
CN204855685U (zh) | 一种智能变电站二次设备故障录波*** |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: GUODIAN NANJING AUTOMATION CO., LTD. Free format text: FORMER OWNER: NANJING AUTOMATION CO., LTD., CHINA ELECTRONICS CORP. Effective date: 20121026 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210009 NANJING, JIANGSU PROVINCE TO: 211100 NANJING, JIANGSU PROVINCE |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20121026 Address after: 211100 Feinikesi Road, Jiangning District, Jiangsu, Nanjing, China, 11 Applicant after: Nanjing Guodian Nanjing Grid Automation Co., Ltd. Address before: 210009 Gulou District, Jiangsu, Nanjing new model road, No. 38 Applicant before: Nanjing Automation Co., Ltd., China Electronics Corp. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |