Simulation and Experimental Study on Harmonic Optimization of Magnetically Controlled Reactor Based on Multistage Saturated Magnetic Valve Structure

Chunhui Liu, Xiyu Yin (), Yinfu Bao, Yue Lan, Chun Wang, Baichao Chen, Xiaoyue Chen and Yu Wang
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Chunhui Liu: Electric Power Scientific Research Institute of State Grid Inner Mongolia East Power Co., Hohhot 010090, China
Xiyu Yin: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Yinfu Bao: Electric Power Scientific Research Institute of State Grid Inner Mongolia East Power Co., Hohhot 010090, China
Yue Lan: Electric Power Scientific Research Institute of State Grid Inner Mongolia East Power Co., Hohhot 010090, China
Chun Wang: Electric Power Scientific Research Institute of State Grid Inner Mongolia East Power Co., Hohhot 010090, China
Baichao Chen: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Xiaoyue Chen: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Yu Wang: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China

Energies, 2023, vol. 16, issue 18, 1-15

Abstract: The magnetically controlled reactor adjusts its output capacity based on the principle of magnetic saturation. Due to the iron core working in the saturated region, higher harmonics will be generated in the working current. A large number of harmonics will affect the power quality and safety of the power system. This study derives the expression for the harmonic content of a magnetically controlled reactor with a multistage saturated magnetic valve core structure. The magnetization curves of different iron core structures can be obtained through expressions. This study used different magnetization curves for simulations of magnetically controlled reactors. The suppression effect of the multilevel magnetic valve structure on harmonics was analyzed through simulation results. A prototype of a magnetically controlled reactor with a two-stage magnetic valve structure was manufactured, and dynamic response tests were conducted. The experimental results show that the harmonic content in the working current of the magnetically controlled reactor with a two-stage magnetic valve structure is less than 2%, which is much smaller than the harmonic content of ordinary magnetically controlled reactors in the past. This article verifies the suppression effect of the improved magnetic valve structure on harmonics through experiments.

Keywords: magnetically controllable reactor; harmonic optimization; multistage saturated magnetic valve (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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