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Correspondence to Author: Xuxin Zhao^a , Fuman Luo^b 

a. College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, Guangdong, China.
b. Shenzhen Xinhengji Electric Appliance Co., Ltd, Shenzhen 518000, Guangdong, China.

DOI: 10.52338/joas.2025.5099

Abstract:

This paper proposes a device to reduce neutral line current based on the principle of magnetic flux compensation. The device achieves phase shifting through a specially designed magnetic circuit transformer with adjustable coils, generating magnetic fluxes of equal magnitude but opposite direction to counteract the harmonic-induced fluxes, thereby suppressing neutral line current. The circuit design of the neutral line current eliminator is introduced. Measurements conducted on actual engineering loads show that the harmonic current on the neutral line is reduced by more than 90%.

Keywords: Magnetic flux compensation, Phase shifting method, Neutral line current, Neutral line current eliminator

Citation:

Dr. Xuxin Zhao, Design And Engineering Testing Of A Neutral Line Current Eliminator. Journal of Applied Sciences 2025.