Controlling the sequence and working time of the switching status of every invert cell is an easy way to avoid unbalanced power distribution among invert cells, so that the whole system can work more stably in general.

• 通过控制各逆变单元开关的导通顺序和导通时间改善各逆变单元间应力分配不均衡，使整个逆变器工作更稳定。