NDLI: Modeling of protective relay systems for power system dynamic simulations

Content Provider	IEEE Xplore Digital Library
Author	Wu Guo-yang Song Xin-li Tang Yong Zhong Wu-zhi Liu Tao
Copyright Year	2011
Description	Author affiliation: China Electric Power Research Institute, Beijing, China, 100912 (Wu Guo-yang; Song Xin-li; Tang Yong; Zhong Wu-zhi; Liu Tao)
Abstract	To solve the problem of lacking of accurate protection relay models in power system dynamic simulation, a general modeling method of protection relay based on “virtual relay” is proposed. A “virtual relay” is a kind of simulation for real relay and defined with rules of logic operation. With hierarchical structure and object-oriented modeling strategy, this method has the advantages of clean logic and convenient modeling, and it's easy for the users to correct models and expand functions. An open and transparent protective relay model library is developed and dynamic simulation calculation including protection relay models is realized. The simulation results revealed that the dynamic simulation program including protection relay models can represent the dynamic performance of electric power system after disturbance more actually. It can be used to analyze cascading failures caused by incorrect operation of protective relays, replay the accident in a long time after a disturbance in power system, study the essence cause of accident and find the correct fault prevention measures.
Starting Page	1
Ending Page	7
File Size	1166170
Page Count	7
File Format	PDF
ISBN	9781612847894
e-ISBN	9781612847887
e-ISBN	9781612847870
DOI	10.1109/PSCE.2011.5772467
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-03-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Simulation software Object oriented modeling Power system dynamics Power system simulation Protective relaying Mathematical model Integrated circuit modeling Modeling
Content Type	Text
Resource Type	Article

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