The problem of neutral-point balance is resolved by changing the amplitude of current reference according to the voltage error of two capacitors.
通过两输出电容电压的偏差改变电流参考给定来实现整流器输出中点平衡。
A dynamic hysteresis-band current PWM control arithmetic is also designed to control the voltage of the DC bus, which keeps it steady effectively for the voltage of the neutral point of the DC bus.
设计了动态电流滞环pwm控制算法对直流侧电压进行控制，有效地保证了直流侧中点电位的平衡。
The protection for earth fault line selection and fault point location by S injecting current in neutral isolated power system is presented.
介绍了基于“S注入法”的小电流接地系统单相接地故障选线定位保护。
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