watt-hour meter [电] 电度表 ; 电度计 ; [电] 瓦时计 ; 有功电能表
watt hour meter 积算瓦特计 ; 电度表 ; 瓦时计 ; 瓦特小时计
ac watt hour meter 交羚度表 ; 交流电度表
single phase watt hour meter 单相电度表
Electronic watt-hour meter 电子式电度表
direct current watt hour meter 直吝时计 ; 直流瓦时计
maximum demand watt-hour meter 最大需量瓦时计 ; 最大负荷电度表
three phase watt hour meter 三相瓦时计
statIC watt-hour meter 静止式有功电度表
Digital watt-hour meter is the necessary equipment with increasingly wide application while it is necessary realization of quantity traceability.
数字式电能表是必备设备，应用越来越广泛，实现量值溯源是非常有必要的。
The metering error considers the non linear effect of the voltage coil and current coil in watt hour meter under different order of harmonics and different distortion degree of input waveform.
计量误差考虑了电度表电压线圈和电流线圈在不同的谐波次数以及谐波大小时的非线性效应。
The most important problem of the watt-hour meter is dependability and precision.
对电能表来说最重要的问题是可靠性和精度。
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