Title :
Modeling, Design and Analysis of Different Controllers for DSTATCOM
Author :
Singh, Bhim ; Adya, Alka ; Mittal, A.P. ; Gupta, J.R.P.
Author_Institution :
Dept. of Electr. Eng., Indian Inst. of Technol., Delhi
Abstract :
This paper deals with different control strategies for DSTATCOM (distribution static compensator) for power quality improvement for a three-phase, three-wire distribution system. A three-leg voltage source inverter (VSI) configuration with a dc bus capacitor is employed as DSTATCOM. The hysteresis as well as PWM current controllers are designed, analyzed and compared for PI controller and sliding mode controller. The capability of the DSTATCOM is demonstrated through results obtained using MATLAB and Simulink based developed model of the DSTATCOM system. The performance of the DSTATCOM acting as a shunt compensator is found satisfactory under varied load perturbations.
Keywords :
distribution networks; electric current control; mathematics computing; power supply quality; pulse width modulation; static VAr compensators; DSTATCOM; MATLAB; PWM current controllers; Simulink; dc bus capacitor; distribution static compensator; power quality; shunt compensator; three-leg voltage source inverter; three-phase distribution system; three-wire distribution system; Capacitors; Control systems; Mathematical model; Power quality; Power system modeling; Pulse width modulation; Pulse width modulation inverters; STATCOM; Sliding mode control; Voltage; Current Controllers; DSTATCOM; Hysteresis; PWM; Power Quality;
Conference_Titel :
Power System Technology and IEEE Power India Conference, 2008. POWERCON 2008. Joint International Conference on
Conference_Location :
New Delhi
Print_ISBN :
978-1-4244-1763-6
Electronic_ISBN :
978-1-4244-1762-9
DOI :
10.1109/ICPST.2008.4745279
