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     Research Journal of Applied Sciences, Engineering and Technology

    Abstract
2014(Vol.8, Issue:21)
Article Information:

Sliding Mode Control of H Bridge Inverter Based DSTATCOM for Reactive

S. Krishna Kumar and S. Chandramohan
Corresponding Author:  S. Krishna Kumar 
Submitted: September ‎07, ‎2014
Accepted: September ‎20, ‎2014
Published: December 05, 2014
Abstract:
Reactive power compensation plays a key role in reducing distribution losses by improving power factor. A three phase three wire DSTATCOM consisting of a five level H-bridge Voltage Source Converter (VSC) is proposed for improving power factor in the distribution system at the Point of Common Coupling (PCC) when the load is continuously changing. The sliding mode control algorithm is used for reactive power compensation and achieve unity power factor. To accomplish this DSTATCOM is controlled to supply or absorb reactive power at PCC. Sinusoidal PWM method is used for obtaining the switching pulses for the cascaded H-bridge converter. The performance of the DSTATCOM controlled distribution system is validated by simulations using MATLAB/Simulink software and Power System block set toolboxes.

Key words:  Multi level inverter, power quality, power factor, reactive power compensation, sine PWM, voltage source converter,
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Cite this Reference:
S. Krishna Kumar and S. Chandramohan, . Sliding Mode Control of H Bridge Inverter Based DSTATCOM for Reactive . Research Journal of Applied Sciences, Engineering and Technology, (21): 2227-2233.
ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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