外转子电动机试验方法 Test methods for external-rotor motors  ICS  29.160.30 CCS  K 20   中华人民共和国国家标准 GB/T 22671—2024 代替 GB/T 22671—2008 2024-09-2 9发布 2025-04-0 1实施     国家市场监督管理总局 国家标准化管理委员会 发 布目　　次 前言   ·····································································································   Ⅲ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     安装方法与要求   ······················································································   1 5     试验的基本要求   ······················································································   2 6     试验准备   ······························································································   2 7     空载试验   ······························································································   2 8     温升试验   ······························································································   3 9     效率和功率因数的测定   ···············································································   3 10     堵转转矩和堵转电流   ················································································   4 11     短时过转矩试验   ·····················································································   5 12     超速试验   ····························································································   5 13     电气强度试验   ·······················································································   5 14     匝间绝缘电气强度试验   ··············································································   5 15     泄漏电流的测定   ·····················································································   5 16     转动惯量的测定   ·····················································································   6 17     湿热试验   ····························································································   6 18     噪声的测定   ··························································································   6 19     振动的测定   ··························································································   6 20     防护等级测试   ·······················································································   7 21     齿槽转矩   ····························································································   7 22     反电动势的测量   ·····················································································   7 23     转矩波动   ····························································································   7 24     最大转矩的测定   ·····················································································   7 25     最小转矩的测定   ·····················································································   7   图1　安装示意图   ·························································································   2 图2　泄漏电流测量电路图   ···············································································   6 GB/T 22671—2024     Ⅰ 前　　言 本文件按照 GB/T 1.1—2020《标准化工作导则   第1部分：标准化文件的结构和起草规则》的规定 起草。 本文件代替 GB/T 22671—2008《外转子电动机试验方法》，与 GB/T 22671—2008相比，除结构 调整和编辑性改动外，主要技术变化如下： 删除了立式安装方式及图2（见2008年版的第3章）； — 删除了“试验要求”（见2008年版的第4章）、“测量”（见2008年版的第5章）和“试验准 备”（见2008年版的第6章），增加了“试验的基本要求”（见第5章）和“试验准备”（见第 6章）；— 更改了温升试验方法（见第8章，2008年版的第8章）； — 更改了堵转转矩和堵转电流试验方法（见第10章，2008年版的第10章）； — 更改了电气强度试验方法（见第13章，2008年版的第13章）； — 更改了匝间冲击耐压试验方法（见第14章，2008年版的第14章）； — 更改了噪声测定的试验方法（见第18章，2008年版的第18章）； — 增加了防护等级测试的试验方法（见第20章）； — 增加了齿槽转矩的试验方法（见第21章）； — 增加了反电动势的测量的试验方法（见第22章）； — 增加了转矩波动的试验方法（见第23章）； — 增加了最大转矩测定的试验方法（见第24章）； — 增加了最小转矩测定的试验方法（见第25章）。 — 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由中国电器工业协会提出。 本文件由全国旋转电机标准化技术委员会（SAC/TC  26）归口。 本文件起草单位：中国电器科学研究院股份有限公司、广东泛仕达农牧风机有限公司、卧龙电气驱 动集团股份有限公司、美的集团股份有限公司、广东