GB/T 25442-2010 Replaced National standards

GB/T 25442-2010 Standard methods for determining losses and efficiency of rotating electrical machines from tests(excluding machines for traction vehicles)

Publish Date: 2010-11-10 Implement Date: 2011-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 25442-2010

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Rotating motor

ICS Name: Rotating motor comprehensive

Publish Date: 2010-11-10

Implement Date: 2011-05-01

Pages: 54 pages

Scope

This standard specifies the test methods for determining efficiency and prescribes the test methods for obtaining various losses.
This standard applies to all DC motors, AC synchronous motors, and induction motors within the scope specified by GB 755-2008.
Note: This method is also applicable to other types of rotating motors, such as rotating converters, AC commutator motors, and single-phase induction motors, etc.

Development Information

Word Count: 105 Thousand words Pages: 54 pages

Superseded by the following standards

GB/T 25442-2018 Standard methods for determining losses and efficiency of rotation electricalmachines from tests(excluding machines for traction vehicles）

Referenced Standards

GB/T 755-2008 Rotating electrical machines—Rating and performance GB 1207-2006 Inductive voltage transformers GB 1208-2006 Current transformers GB/T 5321-2005 Measurement of loss and efficiency for electrical machine by the calorimetric method GB/T 7676.1-1998 Direct acting indicating analogue electrical measuring instruments and their accessories Part 1:Definitions and general requirements common to all parts GB/T 20114-2006 Specific test methods for d.c. machines on conventional and rectifier-fed supplies GB/T 21211-2007 Equivalent loading and super-position techniques—Indirect testing to determine temperature rise of roating electrical machines IEC 60027-1 IEC 60034-4

Adopt standards

IEC 60034-2-1:2007

Related Standards

GB/T 7346-1998 Replaced

GB/T 7346-1998 Basic outline constructional type for control motors and feedback components

Publish Date: 1998-01-19

GB/T 4772.1-1999 Replaced

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

Publish Date: 1999-02-26

GB/T 4772.2-1999 Active

GB/T 4772.2-1999 Dimensions and output series for rotating electrical machines— Part 2:Frame numbers 355 to 1000 and flange numbers 1180 to 2360

Publish Date: 1999-02-26

GB/T 4772.3-1999 Active

GB/T 4772.3-1999 Dimensions and output series for rotating electrical machines— Part 3:Samll built-in motors flange numbers BF10 to BF50

Publish Date: 1999-02-26

GB 10068-2000 Replaced

GB 10068-2000 Mechanical vibration of certain machines with shaft heights 56mm and higher—Measurement,evaluation and limits of vibration

Publish Date: 2000-01-03

GB/T 17948.1-2000 Replaced

GB/T 17948.1-2000 Rotating electrical machines—Functional evaluation of insulation systems—Test procedures for wire-wound windings—Thermal evaluation and classification

Publish Date: 2000-01-03