为了限制逆变器桥臂直通短路时故障电流的上升率，可以在装置的直流侧安装一种称为“环流保护电路”的附加电路。
In order to restrict the rising rate of fault current caused by short circuit on one arm of bridge of inverter, a kind of device named current loop protection circuit can be adopted.
验证短路故障条件下，直流侧的负载转换器的动态稳定的特点。
Verify that the DC side load converter dynamic stability characteristics under short-circuit fault conditions.
仿真结果表明：当南桥、华新换流站发生直流输电单双极闭锁以及交、直流侧 短路 故障时，不会给系统带来稳定问题。
The results show that occurrence of the single or double pole block on the DC lines, or short-circuit faults on the DC or AC lines will not influence seriously on power system stability.
仿真结果表明：当南桥、华新换流站发生直流输电单双极闭锁以及交、直流侧 短路 故障时，不会给系统带来稳定问题。
The results show that occurrence of the single or double pole block on the DC lines, or short-circuit faults on the DC or AC lines will not influence seriously on power system stability.
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