Ground automatic neutral-section passing device and control method thereof
An automatic over-phase and ground technology, applied in transportation and packaging, power supply lines, vehicle components, etc., can solve the problems of inability to accurately determine the thyristor turn-off point, long power-off dead zone in the neutral zone, and low mechanical switch life, etc. Achieve high economy and practicability, improve service life, and improve the protection function.
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[0034] The present invention will be further described below in conjunction with the accompanying drawings and specific preferred embodiments, but the protection scope of the present invention is not limited thereby.
[0035] Such as figure 1As shown, the ground automatic phase separation device of this embodiment includes a train identification unit for identifying the train running position and direction, a logic control system 2 (LK), a valve control unit 3, and two thyristor valve groups 7 (SCR1, SCR2) The thyristor valve group unit formed in series and the current detection unit used to detect the current of the thyristor valve group 7, the thyristor valve group unit is respectively connected with the catenary two-phase (A, B phase) power supply arm and the neutral zone, and the logic control system 2 is based on The position and direction of the train identified by the train recognition unit are connected to a thyristor valve group 7 for power supply in the neutral zone,...
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