发电厂的母线是电厂中的一个重要组成元件，当母线上发生故障时，将使连接在故障母线上的所有元件在修复故障母线期间，或转换到另一组母线上运行以前遭到停电。
When bus bar fault occurs, all components connected on the faulty bus bar will be in outage until power restores by repairing the faulty bus bar or switching them over to another bus bar.
当母线出现故障（过压或欠压）时，能够完成两组母线的自动投切，即备自投的功能。
When bus gets into trouble, it can perform the function of automatic switching to backup power supply.
本文分析了谐振次数与电容器组容量、母线短路容量以及母线电压上升值之间的数学关系。
The equation is given which explains the relation between resonance frequency and capacitor bank capacitance, bus short-circuit capacitance and bus rising voltage value.
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