首页 / 专利库 / 变压器和转换设备 / 电子功率变换器 / CIRCUIT ARRANGEMENT FOR MONITORING OF AN ELECTRONIC TRIPPING DEVICE FOR LOW VOLTAGE SWITCHES

CIRCUIT ARRANGEMENT FOR MONITORING OF AN ELECTRONIC TRIPPING DEVICE FOR LOW VOLTAGE SWITCHES

阅读:690发布:2021-08-08

专利汇可以提供CIRCUIT ARRANGEMENT FOR MONITORING OF AN ELECTRONIC TRIPPING DEVICE FOR LOW VOLTAGE SWITCHES专利检索,专利查询,专利分析的服务。并且The invention relates to a circuit arrangement for the monitoring of an electronic tripping device for low voltage switches with a microprocessor device which in connection with a digital-analog converter evaluates an overload current in such a way that mains tripping contacts disconnect the mains cables that are to be protected from the supply mains. The microprocessor device (MPE) presents a voltage crossover comparator (NDK) with which a testing constant-current impulse (KSI)can be transmitted via a current transformer auxiliary winding (SWZ) to the electronic tripping device (EAE) for amplitude measurement. Upon deviations of nominal value (new)compensation occurs or the mains tripping contacts (NAK)are activated by a corresponding alarm signal (ALS).,下面是CIRCUIT ARRANGEMENT FOR MONITORING OF AN ELECTRONIC TRIPPING DEVICE FOR LOW VOLTAGE SWITCHES专利的具体信息内容。

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