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.
电容器不平衡保护直接反应电容器内部元件的损坏情况，是高压电容器保护中最重要的保护功能之一。
Unbalance protection is one of the most important protection functions in the high voltage capacitor protection scheme. It can reflect the faulty capacitor element directly.
文中介绍智能式电容耦合测试系统，该系统能自动测量电缆的工作电容、电容耦合和对地电容不平衡。
A intelligent capacitance-coupling testing system is introduced in this paper. It tests mutual capacitance, capacitance unbalance - pair - to - Ground and capacitance - coupling automatically.
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