静电电压表校准装置中平板电极对电势分布的影响

doi:10.3969/j.issn.1000-1158.2020.05.15

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Abstract The plate electrode is an important part of the calibration device of electrostatic voltmeter. Its geometric parameter affects the potential distribution around it. Through theoretical analysis and simulation, the influence of the diameter, shape, thickness, edge smoothness and height of the plate electrode on the electric potential distribution is analyzed and calculated. The circular plate electrode with a distance of 100mm、a diameter of 600mm and a thickness of 1mm is a reference, the calculation results show that the potential distribution on the axis increases by only 1.3% when the diameter increases to 1000mm, the potential distribution increases by more than 5.4% when the thickness of the flat electrode increases by 100mm, which is closer to the potential distribution generated by the infinite plate electrode. When the size is equal, the influence of shape on the distribution of electric potential can be neglected; the influence of edge smoothness on the distribution of electric potential can be neglected; 0.5 meters from the ground will form a distinct distortion potential distribution. The numerical calculation results can be used as a reference for the design of plate electrodes in the calibration device.

Key words： metrology electrostatic voltmeter calibration device plate electrode potential distribution simulation

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TB971

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	Articles by authors
	SHI Peng-fei
	NI Da-zhi
	WANG Xiao-wen
	ZHAO Wei

Cite this article:

SHI Peng-fei,NI Da-zhi,WANG Xiao-wen, et al. The Influence of the Flat Electrode in the Calibration Device of Electrostatic Voltmeter on the Potential Distribution[J]. Acta Metrologica Sinica, 2020, 41(5): 597-601.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2020.05.15 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2020/V41/I5/597

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