... 准确级次 accuracy class 电流电压误差 current voltage error 相角差（互感器） phase displacement (instrument transformer) ...
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Output Voltage and Current Error 输出电压和电流误差
Although input bias current is a common source of this type of error, currents generated by external circuits can also result in errors due to voltage drops across the source resistance.
虽然输入偏置电流是这种误差的常见来源，但是外电路产生的电流在源电阻上形成的电压降也能引起误差。
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。
As shown in Figure 2-2, the input bias current (IBIAS) develops an error voltage across the source resistance (RS).
如图2 - 2所示，输入偏置电流(IBIAS)在源电阻(RS)上产生了误差电压。
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