Authors:
V. Narasimhulu,D. V. Ashok Kumar,Ch. Sai Babu,DOI NO:
https://doi.org/10.26782/jmcms.spl.5/2020.01.00016Keywords:
Carrier Based Phase Disposition Pulse Width Modulation (CBPDPWM),Half Bridge Sub Modules (HBSM),Insulated Gate Bipolar Transistor (IGBT) Switches,Modular Multilevel Converter (MMC),Total Harmonic Distortion (THD),Abstract
This paper proposes Modular Multilevel Converter (MMC) for an application of shunt active power filter to harmonic reduction and Reactive Power Compensation (RPC). High frequency switching control techniques of level shifted carriers to control Insulated Gate Bipolar Transistor (IGBT) switches of three-phase Modular Multilevel Converter (MMC) is proposed. Half Bridge Sub Modules (HBSM) is proposed due to low conduction losses for testing the performance of MMC using proposed control techniques. An instantaneous real and reactive power (PQ) method is used to extract harmonic current. The Proportional Integral controller (PI) is implemented to control the capacitor voltage. The Carrier Based Phase Disposition Pulse Width Modulation (CBPDPWM) scheme is employed to control the switches in systematic manner. The triangular wave in different configuration is used as a carrier signal to generate the gate pulses for IGBT switches. The performance of parameters includes reactive power compensation and Total Harmonic Distortion (THD) is discussed and presented for different types of high frequency switching techniques under nonlinear loads. The proposed work is simulated in the environment of Matlab/Simulink.Refference:
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