Reactive Power Compensation for Unbalanced Fluctuating Loads by Using Two-Dimensional Instantaneous Space Vector Approach

Abstract:

To improve the power quality and efficiency on feeding unbalanced loads, this paper proposes a scheme of instantaneous current compensation that can modify the power factor and balance the three-phase currents simultaneously. The method of instantaneous space vectors can compensate the reactive power effectively, but the problems of unbalanced load currents remains. This paper suggests a method that can mitigate the unbalanced load currents by setting the active power as a constant for each cycle. Field measurement data were analyzed. Simulation results confirmed the feasibility of correcting the power factor and balancing load currents simultaneously using the proposed method.

• Periodical: Advanced Materials Research (Volumes 732-733)
• Pages: 1444-1449
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.732-733.1444
• Online since: August 2013
• Authors: Chi Jui Wu, Yu Wei Liu
• Keywords: Instantaneous Space Vector, Power Factor, Power Quality (PQ), Reactive Power

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