标准摘要
[中文适用范围]： 本文档规定了旋转电机的IM代码，即旋转电机的结构类型、安装方式和接线盒位置的分类方法。提供了两种分类系统： - 代码I（见第4章）：适用于具有端盖轴承且仅有一个轴伸的旋转电机的字母数字designation。 - 代码II（见第5章）：适用于更广泛类型旋转电机的全数字designation，包括代码I涵盖的类型。 未被代码II涵盖的机器类型将以文字完全描述。代码I与代码II之间的关系见附录A。 [外文原描述]： IEC 60034-7:2020 specifies the IM Code, a classification of types of construction, mounting arrangements and the terminal box position of rotating electrical machines. Two systems of classification are provided as follows: - Code I: An alpha-numeric designation applicable to machines with end-shield bearing(s) and only one shaft extension - Code II: An all-numeric designation applicable to a wider range of types of machines including types covered by Code I. This third edition cancels and replaces the second edition, published in 1992, and its Amendment 1:2000. The main technical changes with regard to the previous edition are as follows: - note on twin motors added - reference to 4.3 instead of duplication of text - new subclause on marking of shaft inclination or declination. The contents of the corrigendum of March 2023 have been included in this copy.
英文名称Rotating electrical machines - Part 7: Classification of types of construction, mounting arrangements and terminal box position (IM Code)