CN102761099B - Protection device with synchronization function in digital substation and synchronization method - Google Patents
Protection device with synchronization function in digital substation and synchronization method Download PDFInfo
- Publication number
- CN102761099B CN102761099B CN201110110661.6A CN201110110661A CN102761099B CN 102761099 B CN102761099 B CN 102761099B CN 201110110661 A CN201110110661 A CN 201110110661A CN 102761099 B CN102761099 B CN 102761099B
- Authority
- CN
- China
- Prior art keywords
- control signal
- cpu
- moment
- signal
- message
- 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
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 50
- 230000001360 synchronised effect Effects 0.000 claims description 53
- 230000001681 protective effect Effects 0.000 claims description 46
- 238000005070 sampling Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110110661.6A CN102761099B (en) | 2011-04-29 | 2011-04-29 | Protection device with synchronization function in digital substation and synchronization method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110110661.6A CN102761099B (en) | 2011-04-29 | 2011-04-29 | Protection device with synchronization function in digital substation and synchronization method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102761099A CN102761099A (en) | 2012-10-31 |
CN102761099B true CN102761099B (en) | 2015-04-22 |
Family
ID=47055457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110110661.6A Expired - Fee Related CN102761099B (en) | 2011-04-29 | 2011-04-29 | Protection device with synchronization function in digital substation and synchronization method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102761099B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109298230B (en) * | 2018-08-13 | 2021-04-30 | 北京四方继保自动化股份有限公司 | Acquisition device for current transformer |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101980416A (en) * | 2010-10-15 | 2011-02-23 | 中国南方电网有限责任公司超高压输电公司柳州局 | Method for realizing sampling value synchronization in intelligent substation system |
-
2011
- 2011-04-29 CN CN201110110661.6A patent/CN102761099B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101980416A (en) * | 2010-10-15 | 2011-02-23 | 中国南方电网有限责任公司超高压输电公司柳州局 | Method for realizing sampling value synchronization in intelligent substation system |
Non-Patent Citations (2)
Title |
---|
电子式互感器数据同步的研究;曹团结等;《电力***及其自动化学报》;20070430;第19卷(第2期);第108-113页 * |
高压线路新型微机保护装置的研究与开发;曹团结;《中国优秀硕士学位论文全文数据库工程科技II辑》;20080715(第7期);第6-8、22-30页 * |
Also Published As
Publication number | Publication date |
---|---|
CN102761099A (en) | 2012-10-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103278791B (en) | The electronic mutual inductor amplitude phase error check system that Networkable detects | |
CN102006159B (en) | Multi-slave clock sampling value multi-interface synchronizing system based on IEEE1588 | |
CN204613348U (en) | A kind of relay protection of transmission line travelling wave ranging integrated apparatus | |
CN107727910B (en) | Synchronous collection system of transformer substation's electric current based on passive electronic transformer | |
CN206804747U (en) | A kind of DTU devices of synchronized sampling | |
CN109445753B (en) | Data acquisition and active synchronous framing system based on interactive caching technology | |
CN103616591A (en) | Simulation device and method of characters of merging unit of intelligent transformer substation | |
CN104202139A (en) | System, device and method for realizing synchronization of sampling value serial numbers | |
CN105391509A (en) | FPGA-based network port high-precision time calibration method | |
CN101752901B (en) | Method, system, equipment and device for synchronizing data sampling at different places | |
CN102761099B (en) | Protection device with synchronization function in digital substation and synchronization method | |
CN101185293B (en) | Universal measurement or protection device | |
CN112671598B (en) | Special algorithm hardware module for electric power suitable for electric power system control protection device | |
CN201364137Y (en) | Bridge strain signal conditioner | |
CN104966155B (en) | Consider the intelligent substation of compensation of delay characteristic across the synchronous Wave record method of interval combining unit MU | |
CN106209090A (en) | A kind of combining unit pulse per second (PPS) synchronism output system and method based on FPGA | |
CN203708224U (en) | Multipurpose serial time code decoder | |
CN112671491B (en) | Direct-current B code transmission delay compensation method and device | |
CN110046125B (en) | Method and device for synchronizing same-frequency continuous serial data | |
CN208189027U (en) | A kind of distributed data intelligent acquisition device | |
CN203310898U (en) | Optical communication data acquisition module | |
CN109615838B (en) | Wi-Fi (wireless fidelity) -based low-cost low-power-consumption multi-terminal signal synchronous acquisition system | |
CN102916681B (en) | Pulse width-adjustable NRZ/ RZ (Non-return-to-zero/return-to-zero) code converting device | |
CN113049865A (en) | Power parameter detection device and method | |
CN112467700A (en) | Current longitudinal differential protection device and method based on GPS synchronization |
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 | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Liu Yongmeng Inventor after: Tian Zhigang Inventor after: Li Hao Inventor after: Yang Chunli Inventor after: Qi Hailong Inventor after: Zhang Wei Inventor after: Wang Yiming Inventor after: Han Xuguang Inventor before: Tian Zhigang Inventor before: Li Hao Inventor before: Yang Chunli Inventor before: Qi Hailong Inventor before: Zhang Wei Inventor before: Liu Yongmeng Inventor before: Wang Yiming Inventor before: Han Xuguang |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 |