Translated Title
Research on key technologies of active power filter
Translated Abstract
With the wide applications of the power electronic equipments, the harmonic pollution in electrical power system becomes more and more serious in recent years. As the primary means of harmonic suppression, the active power filter(APF) has been drawing more and more attention. The working principle of APF were described in detail, and on this basis, in order to detects the harmonic current accurately and obtains good performance of current tracking, a new control strategy is proposed. In this strategy, the fast fourier transform algorithm(FFT) method is used to detected the harmonic current, and the space vector pulse width modulation (SVPWM) current control method based on indeterminate frequency hysteresis is used to track the compensating current. The results of simulation and experiment show that this strategy can greatly reduce the distortion rate of the grid current and can effectively restrain harmonic pollution of the grid.
Translated Keyword
active power filter
FFT
SVPWM
indeterminate frequency hysteresis
Access Number
WF:perioarticaldqcdzdh201602001
Corresponding authors email
