Electrical isolation is required for signal exchanging between redundant I&C divisions. Relay and isolation amplifier are often used as the isolation device for binary and analog signal transmission. Simple isolation device is not enough to make the electrical isolation. Decoupling circuit which is the combination of isolation devices and an independent power supply can totally compensate the insufficiency of simple isolation device and prevent the electrical fault propagating along the signal exchanging circuit.
- Nuclear Engineering Division
Study on Application of Decoupling Circuit to I&C System of Nuclear Power Plant
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Zheng, T, Zhang, L, & Peng, H. "Study on Application of Decoupling Circuit to I&C System of Nuclear Power Plant." Proceedings of the 2013 21st International Conference on Nuclear Engineering. Volume 5: Fuel Cycle, Radioactive Waste Management and Decommissioning; Reactor Physics and Transport Theory; Nuclear Education, Public Acceptance and Related Issues; Instrumentation and Controls; Fusion Engineering. Chengdu, China. July 29–August 2, 2013. V005T13A002. ASME. https://doi.org/10.1115/ICONE21-15094
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