Research and Implementation of Digital Relay Protection Device Protection Logic Testing System
As one of the important secondary equipment in intelligent substations,digital relay protection devices are the foundation for ensuring the safe and stable operation of the electric power system.For electric power systems with complex operating conditions,comprehensive and accurate testing of relay protection products is particularly important.This article proposes a protection logic automation testing system,elaborates on the hardware framework and software design ideas of the testing system,and introduces the operation implementation process of the testing system;It can achieve the execution and verification of various digital device protection logics,and is compatible with digital communication interfaces and communication protocols.The system is developed using a modular approach,and the test cases have good flexibility,maintainability,and scalability.While ensuring the comprehensiveness of protection logic testing,it effectively improves the efficiency of protection logic testing.
digitizationrelay protectionprotection logictesting system
NETL
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