The influence of frequency deviate or harmonics to the traditional kilowatt hour meter of electromagnetic induction type is analysed in the paper.
分析了电力系统频率偏移和谐波对传统感应电能表误差特性的影响。
2
DD862 single phase watt-hour meter is an inductionmeter which is applicable to measure the rated frequency of 50 Hz, and power loss of single-phase intercourse grid.