Simulation of the Influence of DC Electric Field Generators with Space Charges on Electric Field Calibration

Wei Song, Manling Dong, Xiaokuo Kou, Jiatao Zhang, Chaofeng Zhang, Weifeng Xin, Zeyan Shi and Yanzhao Wang ()
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Wei Song: State Grid Henan Electric Power Company, Zhengzhou 450018, China
Manling Dong: State Grid Henan Electric Power Research Institute, Zhengzhou 450052, China
Xiaokuo Kou: State Grid Henan Electric Power Company, Zhengzhou 450018, China
Jiatao Zhang: State Grid Henan Electric Power Company, Zhengzhou 450018, China
Chaofeng Zhang: State Grid Henan Electric Power Company, Zhengzhou 450018, China
Weifeng Xin: State Grid Henan Electric Power Research Institute, Zhengzhou 450052, China
Zeyan Shi: State Grid Henan Electric Power Research Institute, Zhengzhou 450052, China
Yanzhao Wang: China Electric Power Research Institute, Wuhan 430074, China

Energies, 2025, vol. 18, issue 21, 1-15

Abstract: To improve the measurement accuracy of direct current (DC) electric field measurement devices in ion flow fields, it is necessary to consider the impact of space charges on the calibration of DC electric field measurements. In this paper, a simulation model of a DC electric field generation apparatus involving space charges is established based on the dilute material transfer principle, and the influence of the applied voltage and gap distance of the apparatus on the calibration results of the DC electric field measurement device is analyzed. Limitations on the electric field calibration of the generation apparatus in the presence of high electric intensities are identified and discussed. The electric field intensity relative error at different gap distances increases as the electric field intensity increases, and an optimal calibration electric field level and an optimal calibration position are identified, both of which increase with an increase in the gap distance.

Keywords: DC electric field; space charge; electric field intensity; gap distance; relative error (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: 2025
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