Section post main wiring of electrified railway traction power supply system

Abstract

The invention relates to a section post main wiring of an electrified railway traction power supply system. The section post main wiring comprises a bus, six feeder lines and six circuit breakers, oneend of the first feeder line is electrically connected with the bus through the first circuit breaker, and the other end is electrically connected with a downlink line of a first power supply arm; one end of the second feeder line is electrically connected with the bus through the second circuit breaker, and the other end is electrically connected with an uplink line of the first power supply arm; one end of the third feeder line is electrically connected with the bus through the third circuit breaker, and the other end is electrically connected with a downlink line of a second power supply arm; one end of the fourth feeder line is electrically connected with the bus through the fourth circuit breaker, and the other end is electrically connected with an uplink line of the second power supply arm; one end of a fifth feeder line is electrically connected with the bus through the fifth circuit breaker, and the other end is electrically connected with a downlink line of the neutral section; one end of the sixth feeder line is electrically connected with the bus through the sixth circuit breaker, and the other end is electrically connected with an uplink line of the neutral section; the neutral section is located between the first power supply arm and the second power supply arm and is separated by an electrical separation phase.

Description

technical field [0001] The present disclosure relates to the technical field of substation power supply systems, in particular to a substation main wiring of an electrified railway traction power supply system. Background technique [0002] The power supply mode of the electrified railway traction network can usually be divided into two modes: unilateral power supply and bilateral power supply according to the operating status of the district station. [0003] At present, under the unilateral direct power supply mode of the double track of the electrified railway, there are mainly two main wiring modes in the divisional station, one is the wiring mode of two circuit breakers, and the other is the wiring mode of four circuit breakers. Bilateral power supply can be realized based on the switch control of the circuit breaker therein. However, when the catenary fails, there may be unsafe problems that the locomotive will break into the non-electric zone with electricity. Cont...

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Problems solved by technology

[0004] In order to solve the above-mentioned technical problems or at least partly solve the above-mentioned technical problems, the present disclosure provides a main wiring of the district substation of the traction power supply system of the electrified railway, so as to improve the unsafe situation of locomotive running into the non-electric zone when the catenary fails. question

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