GB/T 12974.2-2023 in English

《GB/T 12974.2-2023交流电梯电动机通用技术条件 第2部分：永磁同步电动机》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。

General specification for a.c. lift motor - Part 2: Permanent magnet synchronous motor

1 Scope

This document specifies the types and basic parameters, general requirements, technical requirements, inspection rules, marking, packaging, and warranty requirements of permanent magnet synchronous motors for elevators, and describes the corresponding test methods.

This document is applicable to the manufacturing of permanent magnet synchronous motors for various passenger elevators, cargo elevators, medical elevators, and household elevators. It may serve as a reference for the manufacturing of various series of motors derived from this series of motors.

2 Normative references

The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 191-2008 Packaging - Pictorial markings for handling of goods
GB/T 755-2019 Rotating electrical machines - Rating and performance
GB/T 997-2022 Rotating electrical machines - Classification of types of construction, mounting arrangements and terminal box position for (IM Code)
GB/T 1971-2021 Rotating electrical machines - Terminal markings and direction of rotation
GB/T 1993-1993 Cooling methods for rotating electrical machines
GB/T 4772.1-1999 Dimensions and output series for rotating electrical machines - Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080
GB/T 4942-2021 Degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classification
GB/T 10068-2020 Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity


GB/T 10069.1-2006 Measurement of the airborne noise emitted by rotating electrical machines and the noise limits - Part 1: Method for the measurement of airborne noise emitted by rotating electrical machines
GB/T 12665-2017 Requirements of damp-heat testing of electrical machine for service in general environmental condition
GB/T 14711 General requirements for safety of small and medium size rotating electrical machines
GB/T 22669-2008 Test procedures for three-phase permanent magnet synchronous machines
GB/T 22719.1-2008 Interturn insulation of random-wound winding for AC low-voltage electrical machines - Part 1: Test methods
GB/T 22719.2-2008 Interturn insulation of random-wound winding for AC low-voltage electrical machines - Part 2: Test limits

3 Terms and definitions

No terms and definitions are listed in this document.

4 Types and basic parameters

4.1 Types

4.1.1 The ingress protection for enclosure of permanent magnet synchronous motors (hereinafter referred to as motors) for elevators is IP20 or IP54 according to the requirements of GB/T 4942-2021.

Foreword i
Introduction ii
1 Scope
2 Normative references
3 Terms and definitions
4 Types and basic parameters
5 General requirements
6 Technical requirements
7 Test methods
8 Inspection rules
9 Marking, packaging and warranty period