After experiments with a load, neutral point potential is always maintained within the allowable range, to achieve a dynamic balance.
经过带载实验运行，中点电位始终保持在允许范围内，实现了动态平衡。
Meanwhile, the topology has voltage-self-balance ability, and therefore, no additional neutral-point-potential balancing circuit is needed.
同时，该拓扑具有电压自平衡能力，无需额外的中点电位平衡电路。
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