| This paper firstly represents the primary use of the high-voltage electroscopes in the electric industry and introduces the high-voltage electroscope's structural composes. Then the working principles of the high-voltage electroscope are detailedly introduced. Meanwhile, the functions and principles of each module are also discussed, based on which three improving schemes are proposed. These three schemes are compared with each other in security, realizing possibility and economy character. Finally the voltage-grading improvement scheme is adopted. The simulation and the experiment verification shows that this scheme is theoretical feasible and has a high precision. |
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