Optimization Design of an AC Electric Field Wireless Power Supply

WANG Liming; LI Zong; MENG Xiaobo; MEI Hongwei; LI Jianchao

doi:10.13296/j.1001-1609.hva.2020.05.019

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Optimization Design of an AC Electric Field Wireless Power Supply

更新时间：2025-04-26

- Optimization Design of an AC Electric Field Wireless Power Supply
- High VoltageApparatus Vol. 56, Issue 5, Pages: 121-127(2020)
- 作者机构：
  
  1. 清华大学深圳研究生院
  2. 南方电网科学研究院有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.05.019
  CLC： TM75
- Published：2020
- 稿件说明：
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[1]王黎明,李宗,孟晓波,梅红伟,李剑超.一种交流电场无线取能电源的优化设计[J].高压电器,2020,56(05):121-127.

WANG Liming, LI Zong, MENG Xiaobo, et al. Optimization Design of an AC Electric Field Wireless Power Supply[J]. High voltageapparatus, 2020, 56(5): 121-127.
[1]王黎明,李宗,孟晓波,梅红伟,李剑超.一种交流电场无线取能电源的优化设计[J].高压电器,2020,56(05):121-127. DOI： 10.13296/j.1001-1609.hva.2020.05.019.

WANG Liming, LI Zong, MENG Xiaobo, et al. Optimization Design of an AC Electric Field Wireless Power Supply[J]. High voltageapparatus, 2020, 56(5): 121-127. DOI： 10.13296/j.1001-1609.hva.2020.05.019.

摘要

针对交流电场无线取能电源取能功率低

难以满足输电线路铁塔在线监测装置的用电需求

对交流电场无线取能电源进行了优化设计。首先

理论分析了取能电源的电路模型

给出了取能功率方程以及影响取能的关键因素;其次

通过有限元软件仿真计算确定了取能极板的形状和尺寸

并通过理论分析与仿真计算优化了放电电路的参数;最后

通过仿真优化计算得到了当耦合电容为15 pF

取能电容为0.1μF

充电电压为200 V时

500Ω的负载能获得25 mW的取能功率

相比于未进行优化的取能电源功率提升了2.5倍。仿真优化计算结果与理论分析相一致

验证了仿真计算对该电源优化设计的合理性和准确性。

Abstract

In view of the low power intake power of AC electric field power supply power supply

it is difficult to meet the demand of power supply for the on-line monitoring device of transmission line iron tower

and the wireless power supply power supply of AC electric field is optimized.Firstly

the circuit model of the power source is theoretically analyzed

and the power equation and the key factors affecting the energy acquisition are given.Then

the shape and size of the energy absorbing plate are determined by finite element software simulation

and the discharge circuit parameters are optimized by theoretical analysis and simulation.At the end of the simulation

it is obtained that when the coupling capacitance is 15 pF

the energy taking capacity is 0.1 μF

the charge voltage is 200 V

the load of 500 Ω can get the power of 25 mW

and the power of the power supply is 2.5 times higher than that of the unoptimized power supply.The simulation results are consistent with the theoretical analysis

which verifies the rationality of the optimal design of the power supply.

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