Cases and Analysis of Signal Interference in Weak Current Measurement
The ex-core nuclear instrumentation system of nuclear power plants is a weak current measurement system,whose pulse signal is easily interfered,resulting in negative impact on stable operation and availability of the system.This paper describes the common signal interference of the ex-core nuclear instrumentation system of Tianwan Nuclear Power Plant,analyzes the interference phenomenon,and puts forward some anti-interference solutions.
Ex-core nuclear instrumentation systemweak current measurementinterferenceshielding
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