Method and system for vehicle-mounted automatic split phase passing under co-phase power supply mode

Abstract

The invention provides a method and system for vehicle-mounted automatic split phase passing under a co-phase power supply mode. The system comprises multiple traction substations, operating mode judgment equipment, vehicle-mounted control equipment and a magnetic inductor set. By the adoption of the method and system, a train in a co-phase power supply system can normally run at sectioning pointsof the traction substations in a through mode or a sectioning mode without power-off passing, and can run in an electrical sectioning mode at the traction substations in the co-phase power supply system as the traction substations in the co-phase power supply system need to carry out out-phase power supply under zone passing-over of the adjacent traction substations or other conditions, and automatic power-off split-phase passing is achieved.

Description

technical field [0001] The present application relates to the technical field of in-phase power supply for railway systems, and in particular to a method and system for automatic on-board phase separation in the same-phase power supply mode. Background technique [0002] In the current electrified railway power supply system in our country, in order to obtain the balance of the power system, the traction substation in the power supply system in the prior art generally adopts three-phase incoming line commutation connection, and the catenary generally adopts segmented Phase-splitting power supply, install electric phase-splitting device between each phase. Therefore, when the train is over-phased, it will degrade, cut off the power, and rely on inertia to pass through the "electrical phase separation". However, due to its mechanical and electrical weaknesses, electrophasing has become not only the main cause of speed and traction loss, but also one of the weakest links in th...

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Problems solved by technology

[0004] However, due to the need for cross-regional power supply in the event of an accident, the exit of the traction substation in the prior art is still set according to the electric phase separation. The power substation is powered in the same phase, but the locomotive still passes the power supply in different phases, so that the huge advantage that the traction substation with the same phase power supply can be canceled for the normal operation of the electric phase separation cannot be realized.

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