This paper studies the influence of converter transformer D-bridge zero sequence circulatingcurrent on valve short circuit protection.
笔者研究了换流阀三角形侧零序环流对阀短路保护误动作的影响。
2
This paper introduces theoretical basis and method of measuring transformer differential protection phase by transformer differential circulatingcurrent method.
介绍了用差压环流法测量变压器差动保护相位的理论依据及方法。
3
This paper focuses on the parallel system of High-frequency UPS, including analyzing of the circulatingcurrent characteristics, parallel control, bypass switching strategy, protection and monitor.