电动自行车充电系统负荷计算与开关、导体选型要点

程 威（江苏政泰建筑设计集团有限公司，江苏省宿迁市 223800）

Key Points for Load Calculation and Selection of Switch and Conductor

of Charging System for Electric Bicycles

CHENG Wei（Jiangsu Zhengtai Architectural Design Group Co.,Ltd.,Suqian 223800,Jiangsu Province，China）

Abstract：In view of the problems such as unreasonable power factor selection,and improper switch selection and cable selection in designing the power distribution system for electric bicycles,the technical parameters of products related to electric bicycles on the market are analyzed and studied through long‑term tracking and collection of information and data,aiming to clarify the value of the product parameters of the charger for electric bicycles,so as to facilitate designers to design the power distribution system for electric bicycle more reasonably.

Key words：electric bicycle;special charging facility;intelligent charging box;equipment power;charging power;power factor;load calculation;power distribution scheme

摘　要：针对电动自行车充电系统配电设计中存在的功率因数选择不合理，开关与电缆选型不当等问题，通过长期跟踪、采集资料数据，对市面上电动自行车相关产品技术参数进行分析、研究，旨在弄清电动自行车充电系统相关产品电气参数，方便设计人员更加合理地进行电动自行车充电系统配电设计。

关键词：电动自行车；专用充电设施；智能充电箱；设备功率；充电功率；功率因数；负荷计算；配电方案

中图分类号：TM910.6            　  文献标识码：A

doi：10.3969 / j. issn.1003 － 8493.2023.06.007