The circuits of dc-side ripple reduction are based on direct reinjection of the ripple in series with the dc line.
直流侧纹波消除电路是基于直流线路中纹波的直接再注入原理而设计。
But there are few theories and methods for the analysis of the transient characteristics of DC line fault.
然而，目前对直流线路故障暂态特性仍缺乏系统、深入的理论研究。
The LDC filter is introduced into a rc welding inverter power source and the voltage ripple of the DC line is decreased.
在弧焊逆变电源中采用LD C滤波电路，可以降低直流线上的电压纹波。
The formula of the rectifier's overshoot current of bidirectional 12-pluse DC system when DC line short-circuit fault occurs is derived.
针对双桥十二脉动直流系统，推导了直流线路发生短路故障时的整流器过冲电流公式。
The result indicates the nonlinear variable structure control can adjust the transmission power of DC line effectively, and assure the stability of the AC-DC system.
仿真结果表明，非线性变结构控制可以有效地调节直流线路的传输功率，保证交直流系统的稳定性。
Short-circuit fault model simulation results show that the locomotive starting current is similar to the remote short-circuit current will affect the DC line protection.
短路故障模型的仿真结果表明机车起动电流和远端短路电流的相似会对直流馈线保护造成影响。
Short-circuit fault model simulation results show that the locomotive starting current is similar to the remote short-circuit current will affect the DC line protection.
短路故障模型的仿真结果表明机车起动电流和远端短路电流的相似会对直流馈线保护造成影响。
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