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首页> 外文会议>IEEE International Conference on Power Electronics, Drives and Energy Systems >Fault and load change differentiation in High Voltage Direct Current (HVDC) system
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Fault and load change differentiation in High Voltage Direct Current (HVDC) system

机译：高压直流（HVDC）系统中的故障和负载变化区分

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High Voltage Direct Current (HVDC) system has come a long way to shift the direction of power transmission in future. With respect to that, the protection is still one of the hot topics that need to be addressed, particularly the DC fault detection method. This paper presents the fault simulation study of a two-terminal HVDC system. DC fault and load change are of interest here. With the help of wavelet transform, these two cases can be differentiated by determining the wavelet coefficient of DC line current. Details regarding synchronous reference frame dq current controller at source terminal, RMS method controller at load terminal are also discussed and the corresponding obtained simulation results for steady state, load change and fault conditions using Matlab/Simulink are presented.
机译：高压直流（HVDC）系统在未来改变电力传输方向方面已经走了很长的路要走。对此，保护仍然是需要解决的热点问题之一，尤其是直流故障检测方法。本文介绍了两端高压直流输电系统的故障仿真研究。直流故障和负载变化在此引起关注。借助于小波变换，可以通过确定直流线电流的小波系数来区分这两种情况。还讨论了有关源端的同步参考系dq电流控制器，负载端的RMS方法控制器的详细信息，并给出了相应的使用Matlab / Simulink获得的稳态，负载变化和故障条件的仿真结果。

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