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CVT Stray Capacitance Optimization Based on Multi-Random Variable Parameter Optimization Method

Published: 30 May 2020 Publication History

Abstract

Aiming at the problem that the capacitive voltage transformer is affected by the fluctuation of stray capacitance parameters during harmonic measurement and the uncertainty of stray capacitance parameters, a parameter optimization method based on multi-random variable parameters is proposed to optimize the combination of stray capacitance parameters. The search ability of multi-random variable parameter optimization method is weak, and the search is assisted by particle swarm optimization. Considering that the particle swarm optimization algorithm is easy to fall into the local optimum and the existing problems of using the cross and cross algorithm to improve the particle swarm optimization algorithm, the vertical crossover operator based on the CSO re-improves the particle swarm optimization algorithm. According to the actual measured CVT harmonic transfer characteristic curve and the simulation results after optimizing the stray capacitance parameters, the accuracy of the multi-random variable parameter optimization method is verified. It provides a certain method basis for parameter optimization such as CVT stray capacitance and CVT harmonic correction for different models in the future.

References

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ICITEE '19: Proceedings of the 2nd International Conference on Information Technologies and Electrical Engineering
December 2019
870 pages
ISBN:9781450372930
DOI:10.1145/3386415
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 30 May 2020

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Author Tags

  1. Capacitive voltage transformer
  2. Harmonic transfer characteristics
  3. Improved particle swarm optimization
  4. Multi-random variable optimization
  5. Stray capacitance

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