GB 30254-2024 Active National standards force_standard

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

Publish Date: 2024-08-23 Implement Date: 2025-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB 30254-2024

Standard Type: National standards

Standard Status: Active

is_force_gb: yes

CCS Name: Technical management

ICS Name: Integrated Energy and Heat Transfer Engineering

Publish Date: 2024-08-23

Implement Date: 2025-09-01

Pages: 20 pages

Scope

This document specifies the energy efficiency grades, technical requirements, and test methods for high-voltage three-phase cage-type asynchronous motors (hereinafter referred to as "motors"). This document applies to vertical and horizontal motors and explosion-proof motors powered by 50 Hz three-phase AC power and operating in continuous mode. The number of poles ranges from 2 to 12, with the following voltage, cooling method, and rated power ranges: a) Voltage of 3 kV (3.3 kV) and 6 kV, cooling method IC01, IC11, IC21, IC31, and IC81W, rated power from 200 kW to 25,000 kW; b) Voltage of 10 kV, cooling method IC01, IC11, IC21, IC31, and IC81W, rated power from 200 kW to 22,400 kW; c) Voltage of 3 kV (3.3 kV) and 6 kV, cooling method IC611, IC616, IC511, and IC516, rated power from 200 kW to 10,000 kW; d) Voltage of 10 kV, cooling method IC611, IC616, IC511, and IC516, rated power from 200 kW to 10,000 kW; e) Voltage of 3 kV (3.3 kV) and 6 kV, cooling method IC411, rated power from 200 kW to 3,150 kW; f) Voltage of 10 kV, cooling method IC411, rated power from 200 kW to 2,800 kW.