Abstract
Based on the working principle of capacitor voltage transformer, this paper analyzes the influence of the installation mode of induced voltage board in the switchgear on the spatial stray capacitance by taking the switchgear, which is widely used as the carrier. Ansys finite element analysis software is used to establish the models of the voltage sensing board under different installation modes, and the influence of environmental factors such as the position, structure and temperature of the voltage sensing board on the stray capacitance between the bus bar and the sensing board is analyzed; The three-dimensional model of electric field shield plate structure is established for simulation. The installation mode of the voltage sensing board and the influence of the shielding board on the stray capacitance are revealed.
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