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Low Voltage Fault RideThrough 全容量变流器可以更容易实现低电压维持运行
Based on the analysis of main fault types of LV (Low Voltage) flameproof motor, the negative sequence protection principle is proposed for its asymmetric short circuit fault and open phase fault.
通过分析低压隔爆电动机的主要故障类型，针对不对称性短路故障和断相故障提出了采用负序保护原理进行保护的方案。
The wind power converter must possess abilities of Low voltage Ride through (LVRT), available operation with unbalanced voltage fault and adjusting active as well as reactive power.
风电变流器在国产化的过程中也必须要具有低电压穿越、不对称故障下运行的能力和动态无功、有功功率的调节能力。
Ground-fault protection of low-voltage systems is a considerable problem because of the presence and nature of low-level arcing ground faults.
接地故障的低电压系统的保护是因为存在和电弧接地故障的低级别的性质相当严重的问题。
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