Title :
ZACE current controlled power flow for AC-DC power converters
Author :
Borle, Lawrence J. ; Nayar, Chem V.
Author_Institution :
Curtin Univ. of Technol., Bentley, WA, Australia
Abstract :
Unity and controlled power factor AC-DC power converters require a current control technique with zero average current error (ZACE) in each switching period. Acting on the current error signal alone, a ZACE controlled converter offers complete real and reactive power flow control with negligible low order current harmonics, a narrow switching frequency band, and relative immunity to DC link or AC line voltage harmonics. Slope-generated hysteresis, a new ZACE current control method is introduced. Simulation and experimental results in a three phase converter are presented
Keywords :
control system analysis; electric current control; errors; load regulation; power control; power convertors; power factor; power system harmonics; reactive power; switching circuits; AC-DC power converters; current control technique; current controlled power flow; low order current harmonics; power factor; reactive power; real power; slope-generated hysteresis; switching frequency band; switching period; three phase; voltage harmonics; zero average current error; AC-DC power converters; Analog-digital conversion; Current control; Error correction; Load flow; Power system harmonics; Reactive power; Reactive power control; Switching converters; Voltage control;
Conference_Titel :
Power Electronics Specialists Conference, PESC '94 Record., 25th Annual IEEE
Conference_Location :
Taipei
Print_ISBN :
0-7803-1859-5
DOI :
10.1109/PESC.1994.349684
