Fault detector for water gauge of pressure container of boiling water type nuclear reactor
专利汇可以提供Fault detector for water gauge of pressure container of boiling water type nuclear reactor专利检索，专利查询，专利分析的服务。并且PURPOSE:To improve the safety of a nuclear reactor by outputting a fault signal when there is an error in the indication value of a differential pressure water gauge due to the boiling of a liquid in a condenser, the fault of a differential pressure measuring instrument or water level calculator, etc. CONSTITUTION:On the basis of a pressure signal (a) inputted to a pressure signal input part A, a fault judgement part D calculates the boiling point of a fluid 14 in a condenser tank 5, and then compares the calculated value with a temperature signal (b) inputted to a temperature signal input part B, thereby outputting a fault signal to a fault signal output part W while considering the fluid 14 to be boiling in the condenser tank 5 when the value of the temperature signal (b) is greater than the boiling point. Further, a water level signal (c) inputted to a water level signal input part C is monitored invariably or periodically and when the value of the water level signal (c) shows a water level H lower than the opening part of a pressure conduit 7 to a reactor pressure container 1 and a water level H higher than the reference liquid level 4 of the condenser 5, differential pressure measuring instrument 6 or water level calculator 9 is considered to be troubled, outputting a fault signal to the fault signal output part E.，下面是Fault detector for water gauge of pressure container of boiling water type nuclear reactor专利的具体信息内容。
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