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The electrostatic probe is among the most popular methods to measure the surface charge. However, the probe influences the surface charge distribution on the sample, which increases measurement error. In this paper, the electrostatic probe system is modeled to study its effect on surface charges on a circular conductor plate using electrostatic field calculation. The influence of the probe on the...
Quad surface charge is adopted in the charge simulation method (CSM) to simulate the electric field under HV transmission lines in the vicinity of buildings. First, a semi-analytical integration strategy is proposed in the calculation of potential and field strength coefficients. Then, an experiment is designed to testify the method. Finally, the electrostatic field computation effect around an actual...
With the rapid development of HVDC transmission projects in China, the situation of the greenhouses existing under the HVDC lines is becoming increasingly common. When the transmission lines are in corona, the ionic space charges produced by the corona discharge in the vicinity of conductors are basically driven by the electric field to the ground. The presence of greenhouses with insulating film...
A new integral algorithm is proposed for electric field evaluation around HVDC transmission line. Updating of charge density, which involve repeating iteration and complicated physical analysis, is avoided. And considering the surface charge as unknown variables, a set of quadratic equations are developed on the base of the potential continuity of and current, and from which the distribution of space...
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