标准电流互感器快速接线与检定系统研究

Research on Fast Wiring and Verification System of Standard Current Transformer

针对标准电流互感器检定时因试品变比多导致的换线频繁等问题,根据试品一次回路和二次回路特点设计了标准电流互感器一次接线切换装置、二次接线切换装置及程控式标准电流互感器全自动快速接线与检定系统。该系统采取了互感器一次回路阻抗优化措施,使得标准电流互感器检定时间大大缩短,效率提升,同时提高了标准电流互感器检定的稳定性和准确性。

When checking the standard current transformer,the problem of frequent line changes is caused by the large transformation ratio of test samples.According to the characteristics of the primary circuit and secondary circuit of the test product,the primary wiring switching device,the secondary wiring switching device of the standard current transformer and the program-controlled standard current transformer fully automatic fast wiring and verification system are designed.The system adopts the primary loop impedance optimization measures of the transformer,which greatly shortens the verification time of the standard current transformer,improves the efficiency,and improves the stability and accuracy of the verification of the standard current transformer.