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A Combined System of a Shunt Passive Filter and a Small Rated Series Active Filter
Hnofunm Akagi 전력전자학회 1989 ICPE(ISPE)논문집 Vol.- No.-
This paper describes an approach to harmonic compensation in industrial power systems This consists of a conventional passive filter and a small rated series active filter using three single-phase voltage-source PWM inverters The function of the senes active filter is not to compensate for harmonic currents generated by a, load, but to eliminate all the problems faced by using only llu shunt passive filtei This results in a great conduction of the rating of tlie scries active filter, leading to a practical and economical filter sysem.<br/> A prototypt. model is constancted and tested, where a three phase thynstor bridge converter of rating 20kVA is used as an tx.?nplc of hamnoine generators. As a result, good filtering characteristics are verified by the experiment, which could not be obtainedby the shunt pasiive filter used alone.<br/>