控制柜芯线分布电容对热工保护的影响及防范措施

Effects and Countermeasure of the Distributed Capacitance of Core Wires on Thermal Protection System

通过典型事故分析,阐述热控采样回路中芯线分布电容及热控采样电源负端接地对电厂热控保护系统的影响,提出相应的防范措施。

This paper,referring to a typical accident,introduces the influence on thermal control protection system from the distributed capacitance of core wires and the negative grounding of sample power in the thermal control loop.Relative preventive measures have been presented for the staffs of thermal control departments to use for reference.