A New Optimizing Approach to Minimize Power Losses of an Electric Power Grid Containing Major Loads of Huge Power 3-Phase Induction Machines – A Practical Case Study in Vietnam

International Journal of Electrical and Electronics Engineering

© 2023 by SSRG - IJEEE Journal

Volume 10 Issue 5

Year of Publication : 2023

Authors : Tien-Dung Nguyen, Ngoc-Quang Dinh, Ngoc-Khoat Nguyen, Thi-Duyen Bui, Anh-Tuan Bui, Trung-Dung Pham

10.14445/23488379/IJEEE-V10I5P104

How to Cite?

Tien-Dung Nguyen, Ngoc-Quang Dinh, Ngoc-Khoat Nguyen, Thi-Duyen Bui, Anh-Tuan Bui, Trung-Dung Pham, "A New Optimizing Approach to Minimize Power Losses of an Electric Power Grid Containing Major Loads of Huge Power 3-Phase Induction Machines – A Practical Case Study in Vietnam," SSRG International Journal of Electrical and Electronics Engineering, vol. 10,  no. 5, pp. 36-47, 2023. Crossref, https://doi.org/10.14445/23488379/IJEEE-V10I5P104

Abstract:

Induction machines play an important role in popular electrical loads, leading to many relevant control methods. One of the most crucial control strategies is to design an efficient method to minimize power losses against continuous and random voltage variation. This paper proposes a novel optimal scheme to minimize power losses of loads containing 3-phase induction motors, considered critical loads of an electric power grid. The study evaluates the effects of the voltage fluctuation on the 3-phase induction AC motors, presenting an effective method to design a newly reactive power compensator. This compensated system includes decentralized compensators at each load together with a central compensator unit using only one common controller to optimize the operation and efficiency of the whole network. The paper introduces a step-by-step procedure to control reactive power compensation capacity for each induction motor, improving voltage quality at loads, reducing active power losses, and prolonging the devices' lifespan. Simulation results and experiments are also provided to demonstrate the effectiveness and applicability of the proposed method.

Keywords:

3 Phase induction motors, Voltage variation, Reactive power compensator, Motor efficiency.

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