基于插头残余电压试验的电器产品等效电容量的研究与分析  

Research and Analysis on the Equivalent Capacitance of Electrical Products Based on Residue Voltage Test of Plug

作　　者：黄至焕 刘玉玲 曾伟聪 

机构地区：[1]威凯检测技术有限公司,广州510663

出　　处：《日用电器》2025年第3期59-64,共6页ELECTRICAL APPLIANCES

摘　　要：本文旨在分析使用万用表直接测量电器产品插头插脚间等效电容量时在残余电压试验中存在的不准确性问题,以提高电器安规检测的准确性。本文设计了纯电容、并联电阻、直流和交流电源对比试验,通过比较不同条件下测得的等效电容值与理论计算值,讨论了电阻支路和电源支路对电容测量结果的影响,分析了直接使用万用表测量电路的等效电容的可行性,并指出应当根据电路中电容额定值计算串并联的等效电容量。希望本文的研究能对电器安全检测准确性的提高提供参考。This article aims to address the issue of inaccurate measurements when using a multimeter to directly measure the equivalent capacitance between plug pins during residual voltage measuring of electrical appliance plugs,thereby enhancing the accuracy of electrical safety compliance measurement.The study includes comparative experiments that compare measured equivalent capacitance values under various conditions of capacitor,resistor,DC or AC power supply with theoretical calculations.It discusses the impact of resistance and power supply circuits on capacitance measurement results,analyzes the feasibility of directly measuring equivalent capacitance with a multimeter,and emphasizes the importance of calculating the equivalent capacitance in series and parallel based on the rated capacitance in the circuit.The research presented here is intended toserve as a reference for improving the accuracy of electrical safety testing.

关 键 词：额定电容 等效电容 残余电压 插头 

分 类 号：TM933.4[电气工程—电力电子与电力传动]