GB 30254-2024: Minimum allowable values of energy efficiency and energy efficiency grades for cage three-phase high voltage induction motor

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Scope

This document specifies the energy efficiency level, technical requirements and test methods
of high-voltage three-phase cage-type asynchronous motors (hereinafter referred to as
"motors").
This document is applicable to 50 Hz three-phase AC power supply, continuous working
vertical, horizontal motors and explosion-proof motors, with 2 poles to 12 poles, voltage,
cooling method, rated power range as follows.
a) Under 3 kV (3.3 kV) and 6 kV voltage, IC01, IC11, IC21, IC31, IC81W cooling method,
rated power is 200 kW to 25,000 kW;
b) Under 10 kV voltage, IC01, IC11, IC21, IC31, IC81W cooling method, rated power is
200 kW to 22,400 kW;
c) Under 3 kV (3.3 kV) and 6 kV voltage, IC611, IC616, IC511, IC516 cooling method,
rated power is 200 kW to 10,000 kW;
d) Under 10 kV voltage, IC611, IC616, IC511, IC516 cooling method, rated power is 200
kW~10,000 kW;
e) Under 3 kV (3.3 kV) and 6 kV voltage, IC411 cooling method, rated power is 200
kW~3,150 kW;
f) Under 10 kV voltage, IC411 cooling method, rated power is 200 kW~2,800 kW.

Basic Data

Standard ID	GB 30254-2024 (GB30254-2024)
Description (Translated English)	Minimum allowable values of energy efficiency and energy efficiency grades for cage three-phase high voltage induction motor
Sector / Industry	National Standard
Classification of Chinese Standard	F01
Classification of International Standard	27.010
Word Count Estimation	17,115
Date of Issue	2024-08-23
Date of Implementation	2025-09-01
Older Standard (superseded by this standard)	GB 30254-2013
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration