GB/T 21971-2008 in English
SUPERSEDEDTechnical specification for YZD range of multi-speed three-phase induction motors for crane application
- Issued on:2008-06-13
- Implemented on:2009-03-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$204.00
《GB/T 21971-2008YZD系列起重用多速三相异步电动机技术条件》由TC26(全国旋转电机标准化技术委员会)归口,主管部门为中国电器工业协会。
本标准规定了YZD系列起重用多速三相异步电动机的型式、基本参数与尺寸、技术要求、检验规则与试验方法以及标志、包装及保用期的要求。本标准适用于各种起重机械电力传动用三相异步电动机(以下简称电动机),凡属本系列电动机所派生的各种电动机亦可参照执行。
Scope
This standard stipulates the type, basic parameters and dimensions, technical requirements, inspection rules and test methods, marking, packaging and warranty period requirements of YZD series multi-speed three-phase asynchronous motors for hoisting. This standard applies to all kinds of three-phase asynchronous motors (hereinafter referred to as motors) used for electric transmission of various hoisting machinery. All kinds of motors derived from this series of motors can also be implemented as a reference.

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