... 电压表 voltmeter 电压不平衡度 voltage unbalance 电压放大 voltage amplification ...
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...电压不平衡度；负序影响 [gap=560]yword： passenger-dedicated railway; exterior power supply; traction substation; degree of voltage unbalance; negative-sequence influence ..
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本文研究了不同的不平衡电压相同的电压不平衡度（VUF）的性能的三相异步电机和反馈对电力系统的影响。八个不同的电压不平衡条件下，测量的三相感应电动机的性能是通过一个真正的负载测...
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综合电压不平衡度 total voltage unbalance degree
三相电压允许不平衡度 Admissible three-phase voltage unbalance factor
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.
它涵盖五个方面：供电电压允许偏差、公用电网谐波、三相电压不平衡度、电力系统频率允许偏差、电压允许波动和闪变。
It covers five aspects: supply voltage tolerance, utility harmonic, three-phase voltage unbalance, power system frequency tolerance, voltage fluctuation and flicker.
在此基础上研究了电能质量监测理论，详细介绍了电压电流有效值、功率、三相不平衡度、谐波和闪变的数字测量方法。
Based on this requirement, this paper introduced the theory of power quality monitoring, include RMS of voltage and current, power, three-phase unbalance, harmonic and flicker.
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