GB/T 21975-2008 in English

VALID

Method of test for reliability of three-phase induction motors for crane and metallurgical application

Issued on:2008-06-13
Implemented on:2009-03-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $210.00
$204.00

Standard No:	GB/T 21975-2008
Document status:	VALID
Title in English:	Method of test for reliability of three-phase induction motors for crane and metallurgical application
Title in Chinese:	起重及冶金用三相异步电动机可靠性试验方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2008-06-13
Implemented on:	2009-03-01
ICS Classification:	29.160.30-Motors
Chinese Classification:	K26-Special machine
Professional Classification:	GB-National Standard
Related Keywords:	three-phase induction motors three-phase asynchronous motors reliability laboratory test methods reliability evaluation test data processing
Related Topics:	Reliable Heavy Machinery Gravity Metallurgy Test prototype Heavy Machinery Reliability Two-step method Three-step method Two-step method Three-step method Two-step and three-step methods Quantitative two-step method three-step method Three-step method and two-step method Notoginseng metallurgy GBT21975 GB/T 21975-2008 Three-phase asynchronous motor The difference between two-step and three-step PCR Heavy metal third method The difference between two-step and three-step qPCR methods qPCR two-step method and three-step method The difference between two-step and three-step qPCR methods Test Specifications for Reliability Assessment of General Overhead Cranes Methods to verify charge heterogeneity specificity Motor reliability test Three-phase asynchronous motor withstand voltage test Braking method of three-phase AC motor Liquid phase methods have poor reproducibility Commonly used mobile phases for normal phase chiral methods

《GB/T 21975-2008起重及冶金用三相异步电动机可靠性试验方法》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。
本标准规定了起重及冶金用三相异步电动机可靠性试验室试验方法、试验数据处理及可靠性评定。本标准适用于起重及冶金用三相异步电动机可靠度、可靠寿命、平均寿命评定。

Scope

This standard specifies the reliability laboratory test methods, test data processing and reliability evaluation of three-phase asynchronous motors for lifting and metallurgy. This standard is applicable to the evaluation of the reliability, reliable life and average life of three-phase asynchronous motors (hereinafter referred to as motors) for hoisting and metallurgy.

More samples: QC/T 942-2021 JC/T 2453-2018 GB 50021-2001(2009)

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