Title:
FAILURE ANALYSIS METHOD BASED ON RELAY PROTECTION ON-LINE MONITORING AND ANALYSIS SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/160776
Kind Code:
A1
Abstract:
Disclosed is a failure analysis method based on a relay protection on-line monitoring and analysis system. When a power grid fails, the method can automatically filter and extract information transmitted by applications such as a protection device, a SCADA and a centralized waveform recorder, and perform time sequence and effectiveness analysis based on a primary-secondary device association relationship, a primary device topological connection, an alert event and the like, thereby achieving failure analysis. The present disclosure can quickly analyze failures, provide real-time relay protection device action information, record information and action failure reporting to power grid dispatching personnel, enables the power grid dispatching personnel to analyze power grid incidents in time, quickly and accurately locate power grid fault points and rapidly restore power supply, thereby improving the monitoring, failure analysis and state evaluation of the relay protection device, and empowering power grid failure analysis and aiding decision making.
Inventors:
CHEN QIANNAN (CN)
ZHANG HUANING (CN)
FAN LEI (CN)
WANG QIANG (CN)
GE WANGFEI (CN)
FENG ZHENYU (CN)
JI XIANG (CN)
ZHANG HUANING (CN)
FAN LEI (CN)
WANG QIANG (CN)
GE WANGFEI (CN)
FENG ZHENYU (CN)
JI XIANG (CN)
Application Number:
PCT/CN2021/123434
Publication Date:
August 04, 2022
Filing Date:
October 13, 2021
Export Citation:
Assignee:
NARI TECHNOLOGY CO LTD (CN)
NARI GROUP CORP (CN)
NARI TECH NANJING CONTROL SYSTEMS LTD (CN)
NARI GROUP CORP (CN)
NARI TECH NANJING CONTROL SYSTEMS LTD (CN)
International Classes:
H02H7/26; H02J13/00
Domestic Patent References:
| WO2015081826A1 | 2015-06-11 |
Foreign References:
| CN113036908A | 2021-06-25 | |||
| CN109239531A | 2019-01-18 | |||
| CN107271845A | 2017-10-20 | |||
| CN111208385A | 2020-05-29 |
Attorney, Agent or Firm:
NANJING ZONGHENG INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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