指三相电力系统中三相不平衡的程度，用电压或电流负序分量与正序分量的方均根值百分比表示。
... phase voltage unbalance rate 相电压不平衡率 three phase voltage unbalance 三相电压不平衡 voltage unbalance factor 电压不平衡度 ; 电压不平衡因素 ...
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Three-phase voltage transformers 三相电压互感器 unbalance of three-phase voltage 三相电压不平衡 Three-phase voltage stiff convertor 发明名称 ..
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三相电压允许不平衡度 Admissible three-phase voltage unbalance factor
指三相电压不平衡将会影响设备安全运行的一种电压不平衡率的保护。
Voltage imbalance protection: While a protection of voltage imbalance rate > 20%, the imbalance of three phase voltage will affect the safe running of the equipment.
误差分析表明，偏置电容法在三相电压不平衡度较小时可以满足测量精度的要求。
Error analysis result shows that biased capacitor method can meet the need of measurement accuracy while the unbalance of three phase voltages is relatively small.
提出了一种用于电网侧三相电压不平衡情况下的永磁直驱式风力发电机的逆变控制算法。
This paper presents a new converter control algorithm for the direct drive permanent magnet wind generator under the unbalanced three-phase source voltage.
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