Integrated active rectifier and power quality compensator withreduced current measurement
Le Roux, A.D.
Du Toit, J.A.
Enslin, J.H.R.
Dept. of Electr. & Electron. Eng., Stellenbosch Univ.;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Jun 1999
Volume: 46,
Issue: 3
On page(s): 504-511
ISSN: 0278-0046
References Cited: 6
CODEN: ITIED6
INSPEC Accession Number: 6277322
Digital Object Identifier: 10.1109/41.767056
Current Version Published: 2002-08-06
Abstract
This paper describes a three-phase integrated active rectifier and
shunt power quality compensator (IPQC). The measurement of only three
currents is required, and the control algorithm can be implemented using
a low-cost controller. The IPQC improves the harmonic content of the
supply current, displacement power factor, supply current balance, and
can serve as a four-quadrant active rectifier for motor drives and other
DC-link loads. The operation of the IPQC is experimentally verified
using a conventional three-phase insulated gate bipolar transistor
voltage-source inverter. A low-cost fixed-point DSP-based controller
with fixed-band hysteresis current regulation is used for the
implementation of the control algorithms
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