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FAST CURRENT CONTROL STRATEGY OF PWM INVERTER FOR ADVANCED STATIC VAR COMPENSATOR (STATCOM)

Author(s):

GAMIT HITESHKUMAR PRAVINBHAI , ELECTRICAL ENGG. DEPARTMENT, GEC BHUJ; ASHOK L VAGHAMSHI, ELECTRICAL ENGG. DEPARTMENT, GEC BHUJ; AAKASH M KUBAVAT, ELECTRICAL ENGG. DEPARTMENT, GEC BHUJ; PARIMAL K PATEL, ELECTRICAL ENGG.DEPARTMENTGEC,MODASA

Keywords:

Reactive power, PWM Voltage Source inverter, STATCOM.

Abstract

The Advanced Static VAR Compensator (STATCOM) uses a high power self-commutating inverter to draw reactive current from a transmission line. The STATCOM is based on the principle that a self-commutating static inverter can be connected between three-phase AC power lines and an energy-storage device, such as an inductor or capacitor, and controlled to draw mainly reactive current from the lines. This paper deals with the modelling and control of an STATCOM system with self controlled DC bus which employs a three phase PWM voltage source inverter. The STATCOM system is modelled using the d-q transform and employs a programmed PWM voltage wave shaping pattern to simplify the logic software and hardware requirements. The inverter system can compensate leading and lagging reactive power supplied by the load connected to the supply. Simulated results obtained with MATLAB are also presented.

Other Details

Paper ID: IJSRDV2I3348
Published in: Volume : 2, Issue : 3
Publication Date: 01/06/2014
Page(s): 662-664

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