VOLTAGE REGULATION AND HARMONIC SUPPRESSION OF TRANSFORMERLESS BASED DSTATCOM IN POWER SYSTEM
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Dec 10, 2010
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Abstract
This paper presents the Shunt Active Filter (SAF) intended for installation on a transformerless based Distribution System (DS). In order to improve the power
factor, compensate the reactive power and suppress the total harmonics distortion (THD) drawn from a Non-Liner
Diode Rectifier Load (NLDRL) of DSTATCOM, we propose
a Hysteresis Current Pulse Width Modulation (HCPWM) technique is used as control for the switches of SAF. The D -Q reference frame theory is used to generate the reference
compensating currents for DSTATCOM and proportional and integral (PI) control is used for capacitors dc voltage
regulation for DSTATCOM The system with control scheme is implemented in Matlab/Simulink. The simulation results
are shown to verify the effectiveness of the combined harmonic damping and voltage regulation.
factor, compensate the reactive power and suppress the total harmonics distortion (THD) drawn from a Non-Liner
Diode Rectifier Load (NLDRL) of DSTATCOM, we propose
a Hysteresis Current Pulse Width Modulation (HCPWM) technique is used as control for the switches of SAF. The D -Q reference frame theory is used to generate the reference
compensating currents for DSTATCOM and proportional and integral (PI) control is used for capacitors dc voltage
regulation for DSTATCOM The system with control scheme is implemented in Matlab/Simulink. The simulation results
are shown to verify the effectiveness of the combined harmonic damping and voltage regulation.