To enhance the quality of manufacturing as responsibility, build national brand of measurement!
To enhance the quality of manufacturing as responsibility, build national brand of measurement!
电流互感器的S1端没有连接到位，相当于二次开路。
电流互感器不允许二次开路。
因为电流互感器二次开路时，二次无电流，一次电流全部为励磁电流，会导致电流互感器铁芯磁通过大而饱和，一方面二次输出较高的电压，危及二次仪表及人身安全，另一方面互感器饱和后发热损坏互感器本身。
China's leading enterprise in variable frequency power measurement and metering
National variable frequency power measuring instrument (metering station) founder
Research and development unit of national variable frequency power metering standard