Switching area contact network and switching area system based on double-current system railway vehicle operation

The invention discloses a switching area contact network and a switching area system based on double-current system railway vehicle operation. The switching area contact network is located between a direct current contact network and an alternating current contact network, and the switching area contact network is connected with the direct current contact network and the alternating current contact network through an isolator A and an isolator D respectively; the length of the transition area contact net is greater than the distance between two farthest pantographs on the passing double-direct-current system railway vehicle. It is ensured that when the vehicle normally conducts alternating current and direct current switching, it is avoided that one part of the pantograph receives direct current, and the other part of the pantograph receives alternating current, the problem of short circuit of the two power supply modes is effectively solved, and the safety, stability and reliability of operation of the alter