Research on Simulated Operating Characteristics of Medium-Frequency  Induction Heating Capacitors

Chen Yong; Wu Jianhui; Tong Weigen; Guan Zhijuan

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Research on Simulated Operating Characteristics of Medium-Frequency Induction Heating Capacitors

POWER CAPACITOR & REACTIVE POWER COMPENSATION

Research on Simulated Operating Characteristics of Medium-Frequency Induction Heating Capacitors
中频电热电容器模拟运行特性研究
Hangzhou Ouneng Electric Co., Ltd., Hangzhou 311602, China
(2026)
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Chen Yong, Wu Jianhui, Tong Weigen, et al. Research on Simulated Operating Characteristics of Medium-Frequency Induction Heating Capacitors[J/OL]. Power Capacitor & Reactive Power Compensation, 2026.
DOI：

Chen Yong, Wu Jianhui, Tong Weigen, et al. Research on Simulated Operating Characteristics of Medium-Frequency Induction Heating Capacitors[J/OL]. Power Capacitor & Reactive Power Compensation, 2026. DOI：

摘要

中频电热电容器标准中电气试验出厂项目规定用工频或直流进行，实际运行是在中频电压下，不能完全准确检测出产品在中频下运行的可靠性。用模拟中频运行试验可经济有效地验证相关产品参数，指导产品开发及设计。本文利用模拟试验平台，模拟产品在中频下试验运行。试验结果表明：工频50Hz测试，不一定能准确反映中频下介质损耗、铝箔及引线电阻涡流损耗叠加对电容器性能的不良影响。研究结论可为中频电热电容器出厂检测、产品设计及产品验证提供帮助。

Abstract

According to the existing standards for electrical factory tests of medium-frequency Induction heating capacitors

the tests are carried out under power frequency or direct current conditions. However

the capacitors actually operate under medium-frequency voltage

so routine factory tests cannot accurately evaluate the operation reliability of products under medium-frequency conditions.The simulated medium-frequency operation test can verify relevant product parameters economically and effectively

and guide product development and design. In this paper

a simulated test platform is built to carry out the operation test of capacitors under medium-frequency conditions.The test results show that the test at 50Hz power frequency cannot accurately reflect the adverse effects on capacitor performance caused by the superposition of dielectric loss

eddy current loss of aluminum foil and lead resistance.The conclusions of this research can provide technical support for factory inspection

structural design and performance verification of medium-frequency heating capacitors.

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