YZP系列起重及冶金用变频调速三相异步电动机技术条件（机座号450～500）标准化发展报告

StandardizationDevelopmentReportonTechnicalSpecificationsforYZPSeriesFrequencyConversionSpeed-regulatingThree-phaseAsynchronousMotorsforCraneandMetallurgicalApplications(FrameSize450-500)

摘要

本报告针对YZP系列起重及冶金用变频调速三相异步电动机（机座号450～500）的技