A Novel Structure for Three-Phase Four-Wire Distribution System Utilizing Unified Power Quality Conditioner (UPQC)

Author

Khadkikar, V. ; Chandra, A.

Author_Institution

Dept. de Genie Electrique, Ecole de Technol. Superieure, Montreal, Que.

fYear

2006

fDate

12-15 Dec. 2006

Firstpage

1

Lastpage

6

Abstract

This paper presents a novel structure for three-phase four-wire (3P4W) distribution system utilizing unified power quality conditioner (UPQC). The 3P4W system is realized from three-phase three-wire (3P3W) system where the neutral of series transformer used in series part UPQC is considered as the fourth wire for 3P4W system. A new control strategy to balance the imbalanced load currents is also presented in this paper. The neutral current that may flow towards transformer neutral point is compensated by using a four-leg voltage source inverter (VSI) topology for shunt part. Thus the series transformer neutral will be at virtual zero potential during all operating conditions. The simulation results based on MATLAB/Simulink are presented to show the effectiveness of proposed UPQC based 3P4W distribution system.

Keywords

distribution networks; invertors; mathematics computing; power engineering computing; power supply quality; power transformers; 3P4W distribution system; MATLAB; Simulink; UPQC; VSI topology; neutral current; series transformer; three-phase four-wire distribution system; unified power quality conditioner; voltage source inverter; Conductors; Control systems; Inverters; Pollution; Power distribution; Power generation; Power harmonic filters; Power quality; Power system harmonics; Wire; Active Power Filter (APF); Four-Leg Voltage Source Inverter (VSI) Structure; Three Phase Four Wire System; Unified Power Quality Conditioner (UPQC);

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics, Drives and Energy Systems, 2006. PEDES '06. International Conference on

Conference_Location

New Delhi

Print_ISBN

0-7803-9772-X

Electronic_ISBN

0-7803-9772-X

Type

conf

DOI

10.1109/PEDES.2006.344237

Filename

4147944