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METHOD FOR IDENTIFYING A FAULTED DC POWER TRANSMISSION MEDIUM IN A MULTI-TERMINAL DC ELECTRICAL NETWORK
METHOD FOR IDENTIFYING A FAULTED DC POWER TRANSMISSION MEDIUM IN A MULTI-TERMINAL DC ELECTRICAL NETWORK
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机译:多终端直流电网中故障直流输电介质的识别方法
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摘要
A method for identifying a faulted DC power transmission medium in a multi-terminal DC electrical network is provided. The DC electrical network includes multiple terminals connected via DC power transmission media. The method includes detecting a fault occurring in the DC power transmission media and, after detecting the fault, measuring a surge arrival time at each terminal, each surge arrival time being the difference between the time of detecting the fault and the time of arrival of an electrical wave surge generated by the fault at the corresponding terminal. The method further includes comparing the surge arrival times between the terminals to identify DC power transmission media in which the fault is not located, allocating a healthy status to the media in which the fault is not located, and identifying the faulted DC power transmission medium as being the DC power transmission medium/media without a healthy status.
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