Non phase separation type traction power supply equipment for railway locomotive
A technology for traction power supply and railway locomotives, applied in power lines, vehicle components, transportation and packaging, etc., can solve the problem of large negative sequence current value and grid harmonic content, small distance between traction substations, and impossible three-phase balance Power supply and other issues, to achieve the effect of less harmonic content, improve utilization efficiency, and improve power supply quality
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[0008] Attached below figure 1 The present invention will be described in detail.
[0009] See figure 1 The split-phase traction power supply device for the railway locomotive consists of a traction transformer and an energy distribution regulator. The output end of the traction transformer 16 is connected to the A-phase traction contact network 4, the C-phase is connected to the rail 5, and the B-phase is connected to the energy distribution Regulator, the energy distribution regulator consists of a main controller 2, a driver 3, three current sensors 13, 14, 15, three voltage sensors 10, 11, 12, three reactors 17, 18, 19, power The electronic switch bridge arm 7 and the supporting capacitor arm 6 are composed, wherein the power electronic switch bridge arm 7 is connected in parallel with the supporting capacitor arm 6, and the driver 3 is connected to the control terminal of the power electronic switch bridge arm 7 and the main Between the controllers 2, the signal output ends o...
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