A heating circuit for a railway vehicle power supply contact rail
A technology for rail vehicles and heating circuits, applied in the field of rail vehicles, can solve the problems of small resistance value of power supply contact rails, low driving efficiency, vehicles unable to take electricity from the contact rails, etc., and achieve the effects of good safety and high driving efficiency.
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[0021] Such as image 3 As shown, in the rail vehicle power supply contact rail heating circuit, the positive electrode of the ground DC power supply 3 is electrically connected to one end of the positive contact rail 1, the negative electrode of the ground DC power supply 3 is electrically connected to one end of the negative contact rail 2, and the middle section of the positive contact rail 1 is connected to the vehicle load 7 Negative contact rail 2 middle section electrical connection; including AC power U A1 And 3 capacitors, AC power U A1 , The capacitor, the positive contact rail 1, and the negative contact rail 2 form an AC loop.
[0022] The capacitor is divided into the first capacitor C 1 , The second capacitor C 2 , And the third capacitor C 3 , Where the first capacitor C 1 Connected to AC power U A1 Between one end of the positive contact rail 1 and the second capacitor C 2 Connected to AC power U A1 Between one end of the negative contact rail 2 and the third capac...
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