Periodic test system for protection systems for pressurized water reactor nuclear power plants
A protection system and periodic test technology, applied in the direction of measuring electricity, measuring electrical variables, measuring devices, etc., can solve the problems of not having the readback function of the injected signal, unable to judge the quality of the injected signal, and having no local parameter calculation, etc., to achieve the test Reliable results, guaranteed effectiveness, and safe operation of the device
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[0060] This test device (KRG-TEST) is designed to verify the important analog channel acquisition and processing system of the pressurized water reactor nuclear power plant. test. The function of the test device is to check the availability of the KRG system protection measurement channel during reactor operation. The test device provides an analog signal as close to the actual as possible, and injects the analog signal into the protection system. By checking whether the signal conversion error, whether the threshold relay operates, and whether the action threshold error meets the design requirements, etc., it is judged whether the KRG system protection measurement channel is Fault occurs, therefore, the regular test of KRG is divided into three parts: verification protection channel threshold module XU test (Channel test), display channel test from KRG system to main control room (PAMS test) and dynamic module test of protection channel (Step by Step test).
[0061] When th...
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