In order to improve the power quality of the traction power supply system, a novel hybrid power quality compensator with new construction and new compensation method is proposed. The hybrid power quality compensator has the following features: (1) a three-phase voltage type converter is used in two-phase circuit of the traction power supply systems. The power quality of traction substation can be regulated integrally because the two feeders are linked indirectly; (2) through a Scott transformer, two banks of passive filters and the three-phase converter are connected in series so that the capacity of the converter is reduced greatly; (3) the compensating object is not one of the feeders but the traction substation itself; and (4) by regulating the active power currents in two feeders, the traction substation will reach a load balance status. So the reactive power, negative-sequence and harmonic currents in two feeders of a traction substation are canceled together. Its feasibility is proven by simulation results.


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    Title :

    Study of novel traction substation hybrid power quality compensator


    Contributors:
    Sun Zhuo (author) / Jiang, Xinjian (author) / Zhu, Dongqi (author)


    Publication date :

    2002


    Size :

    5 Seiten, 10 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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