The Research of SVPWM Control of Shunt Active Power Filter Based on the Inner Relationship between Current and Voltage

Abstract:

To achieve the goal of decreasing the harmonic level in the power grid, traditional shunt active power filter uses the methods such as triangular wave comparison and hysteresis comparator which overall exist some problems, for instance, poor ability of current tracking and low efficiency of DC voltage utilization that lead to bad compensation result. Therefore, we put forward another SVPWM based control strategy in which a relationship between the current reference instruction of active power filter and the voltage reference instruction of SVPWM is found via the topological structure of shunt active power filter. Then we can use SVPWM method to accurately track and compensate the harmonic current. Simulation and experimental results show that the control strategy can solve the above proposed problems and bring about very good harmonic compensation effect.

• Periodical: Applied Mechanics and Materials (Volume 528)
• Pages: 201-209
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.528.201
• Online since: February 2014
• Authors: Meng Hua Zhang*, Xin Gong Cheng, Xi Ju Zong
• Keywords: i_p-i_q, Shunt Active Power Filter, SVPWM, Switching Loss

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