GB/T 21972.2-2012
Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications.Part 2:YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications(cooled (English Version)

Standard No.

GB/T 21972.2-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2023-12

Replace By

GB/T 21972.2-2023

Latest

GB/T 21972.2-2023

Scope

This part specifies the type, basic parameters and dimensions, technical requirements, inspection rules, test methods, marking, packaging and warranty period requirements of YZP series frequency conversion speed regulation three-phase asynchronous motors (cooled by axial fans) for lifting and metallurgy . This part is applicable to all kinds of hoisting machinery and metallurgical auxiliary equipment powered by frequency converter and axial flow fan-cooled three-phase asynchronous motor (hereinafter referred to as the motor).

GB/T 21972.2-2012 Referenced Document

• GB 10068-2008 Mechanical vibration of certain machines with shaft heights 56 mm and higher.Measurement,evaluation and limits of vibration severity
• GB 10069.3-2008 Noise determination methods and limits for rotating electrical machines - Part 3: Noise limits
• GB 1971-2006 Rotating electrical machines. Terminal markings and direction of rotation
• GB 20237-2006 Safety requirements of crane and metallurgical motors and canned motors
• GB 755-2008 Rotating electrical machines.Rating and performance
• GB/T 10069.1-2006 Measurement of 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 1032-2005 Test procedures for three-phase induction motors
• GB/T 12351-2008 Environmental technical requirements of rotating electric machines for tropical use
• GB/T 12665-2008 Requirements of damp-heat testing of electrical machine for sevice in general environmental condition
• GB/T 13306-2011 Plates
• GB/T 191-2008 Packaging.Pictorial marking for handling of goods
• GB/T 1993-1993 Cooling methods for rotating electrical machines
• GB/T 22670-2008 Test procedures for converter-fed three phase cage induction motors
• 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 4942.1-2006 Degrees of protection provided by the integral design of rotating electrical machined (IP code) - Classification
• GB/T 757-2010 Conical shaft extension for rotating electrical machines
• GB/T 997-2008 Rotating electrical machines.Classification of types of construction,mounting arrangements and terminal box position for(IM Code)

GB/T 21972.2-2012 history

• 2023 GB/T 21972.2-2023 Technical conditions of variable frequency speed regulation three-phase asynchronous motors for hoisting and metallurgy Part2:YZP series frequency conversion speed regulation three-phase asynchronous motors for lifting and metallurgy(frame size:100~400)
• 2012 GB/T 21972.2-2012 Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications.Part 2:YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications(cooled

GB/T 21972.2-2012 -All Parts