Electric split-phase non-interruption flexible connection-compensation device and method for traction electric network
A flexible connection and electrical phase separation technology, applied in reactive power compensation, reactive power adjustment/elimination/compensation, harmonic reduction devices, etc., can solve the loss of running time, automatic over-phase separation to restrict high-speed, heavy-duty trains are safe and reliable Operation, restricting the high-speed and reliable operation of electric railways, etc., to achieve the effect of improving cost performance, overcoming transient hazards, and prolonging service life
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[0044] The present invention is described in detail as follows in conjunction with accompanying drawing and embodiment:
[0045] The structure of the traction network power split phase non-cutoff flexible connection and compensation device (UFCC) in the present invention is as follows: Figure 4 shown. The device of the present invention comprises a switch Bk a 、BK m 、BK b The circuit breaker switch 41, the controllable switching switch 42, and the two-phase "back-to-back" converter group (V a and V b ) 43, electrical quantity sensors 44, 45, 46, position sensors 7, 8, 9 and a main controller 47; wherein, the two-phase "back-to-back" type converter 43 has a pair of output terminals on both sides, and the output terminals on one side are x, y, and the output terminals on the other side are z, w; two branches are respectively drawn from the output terminal x, one of which is connected to the lower port of the controllable switching switch 42, and the controllable switching ...
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