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san xiang yi bu dian dong ji wei ji zong he ce shi fang fa de you yue xing
Pages: 40
Year: Issue:  12
Journal: Electrical Manufacturing

Abstract:  我厂三相异步电动机测试的传统方法是利用自制试验台,每台电动机进行耐压、匝间、空载及堵转测试,此种测试方法需要人员多,效率低,测试项目不全面,劳动强度大.特别是匝间试验时,短时升高电压到额定电压的130%,运行3 min,看电动机是否烧坏,来判定产品是否合格.对电动机本身为破坏性试验,使绝缘寿命受到一定的影响,且浪费电能.
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