Fault identification method and device of high-voltage direct-current voltage divider
A technology of fault identification and high-voltage direct current, which is applied in the direction of fault location and fault detection according to the type of conductor, etc., can solve the problem that the fault voltage divider cannot be automatically identified, and achieve the effect of facilitating fault maintenance
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[0034] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0035] The invention provides a fault identification method for a high-voltage direct current voltage divider, comprising the following steps:
[0036] (1) Obtain the AC side active power and DC side active power of the rectifier station / inverter station in the converter station, the DC current of the rectifier station and the inverter station, and the unipolar real power of the converter station.
[0037] Specifically, as figure 1 As shown, the steps to obtain the AC side active power of the rectifier station / inverter station in the converter station are as follows:
[0038] a) Perform α / β transformation on the three-phase AC voltage and current of the rectifier station / inverter station in the converter station to obtain the α voltage...
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