Lightning stroke fault identifying method with transient volume protection
A lightning strike fault and identification method technology, which is applied in the direction of protection against overvoltage, etc., can solve problems such as difficulty in distinguishing, small energy ratio of high-frequency components and low-frequency components of traveling wave signals, etc.
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[0039] The concrete steps of this method are as follows:
[0040] (1) When the transmission line fails or is struck by lightning, and a relatively large traveling wave is detected at the protection installation, the traveling wave protection or transient protection starts and records the traveling wave process with a time of 3ms;
[0041] (2) Through the modulus transformation matrix T = 1 1 1 1 - 1 0 0 1 - 1 - 1 0 1 ...
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