Effective Date: 2025-04-01
Replacement: GB/T 20834-2024
Scope of application: This document specifies the overall technical requirements for generator motors and their ancillary equipment, as well as product identification, material and component storage, factory and field testing, supply and trial operation, and warranty period requirements. This document applies to three-phase, 50 Hz, reversible salient-pole synchronous generator motors directly connected to pump-turbines with a rated capacity of 100 MVA and above. Units with a rated capacity of less than 100 MVA or a frequency of 60 Hz shall follow this document.
Effective Date : 2025-04-01
Replaces: GB/T 22671-2008
Scope of application : This document specifies the basic requirements for external rotor motor testing, and describes the test methods for no-load test, temperature rise test, efficiency and power factor determination, locked rotor test and other test items. This document is applicable to AC asynchronous/synchronous external rotor motors.
Effective Date: 2025-05-01
Replaces: GB/T 25738-2010
Scope of application: This document specifies the commissioning conditions, commissioning methods, judgment criteria, and report contents of AC asynchronous motors in nuclear power plants. This document is applicable to the commissioning of AC asynchronous motors in nuclear power plants.
Effective Date: 2025-06-01
Replaces: GB/T 26846-2011
Scope of application: This document specifies the general rules, electrical performance, mechanical performance, environmental performance and other requirements for the lead wires and connectors of electric motors and controllers for electric bicycles, describes the testing equipment and instruments and the corresponding test methods, specifies the inspection rules, marking, packaging, transportation and storage requirements, defines the terms and definitions for technical regulations, and gives the product structure. This document applies to the design, production, inspection and sales of lead wires and connectors for electric motors and controllers for electric vehicles, including power-assisted bicycles, as defined in QB/T 1714.
Effective Date: 2025-04-01
Replaces: GB/T 24625-2009
Scope of application: This document specifies the ratings, structural types, performance requirements, cooling methods, test methods and acceptance rules for three-phase or multi-phase electrically excited synchronous motors and permanent magnet synchronous motors powered by inverters, including requirements for inverters. This document applies to synchronous motors driven by inverters.
Effective date : 2025-10-01
Replaces : GB 30253-2024
Scope of application : This document specifies the energy efficiency levels, technical requirements and test methods for permanent magnet synchronous motors. This document is applicable to permanent magnet synchronous motors for general or explosion-proof purposes in continuous operation, with the following scopes: a) Asynchronous starting three-phase permanent magnet synchronous motors powered by a 50 Hz three-phase AC power supply with a voltage level of 1 140 V or less, a rated power of 0.55 kW to 1 000 kW, and a pole number of 2 to 16 poles; b) Asynchronous starting three-phase permanent magnet synchronous motors powered by a 50 Hz three-phase AC power supply with a voltage of 3 kV (3.3 kV) and 6 kV, 10 kV, and a cooling method of IC81W, IC86W, IC71W (IC3W7), IC411, IC416, IC511, IC611, IC616, IC516, IC666, a rated power of 200 kW to 2 000 kW, and a pole number of 4 to 12 poles; c) A variable frequency power supply with a voltage of 1 140 V or less, a rated power of 0.55 kW to 1 250 kW, variable frequency speed regulation permanent magnet synchronous motor with a rated speed of 45 r/min ~ 6 000 r/min; d) Powered by variable frequency power supply, the voltage is 3kV (3.3kV) and 6kV, 10kV, the cooling method is IC81W, IC86W, IC71W (IC3W7), IC411, IC416, IC511, IC611, IC616, IC516, IC666, with a rated power of 200 kW and above, and a rated speed of 45 r/min ~ 3 000 r/min; e) Permanent magnet synchronous motor for elevators, powered by variable frequency power supply, the voltage is 1 140 V and below, and the rated power is 0.55 kW ~ 110 kW.
Effective Date: 2026-08-01
Replaces: GB/T 4706.17-2010
Scope of application: This document specifies the safety requirements for motor-compressors for household and similar purposes. This document applies to enclosed (totally enclosed and semi-enclosed) motor-compressors and their protection and control systems (if any) used in household and similar equipment, and they must comply with the standards applicable to the corresponding equipment. This document applies to motor-compressors with a rated voltage not exceeding 〖JP〗250 V for single phase and not exceeding 600 V for other phases, and to individual tests of motor-compressors under the most severe conditions of normal use. This document also applies to the following types of motor-compressors: - Multi-speed motor-compressors, motor-compressors whose speed can be set to different values. - Variable capacity motor-compressors, motor-compressors whose capacity can be controlled at a fixed speed.
Effective Date: 2025-09-01
Replaces: GB 30254-2013
Scope of application: This document specifies the energy efficiency level, technical requirements and test methods of high-voltage three-phase cage 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 pole numbers ranging from (2 poles) to 12 poles, and the voltage, cooling method, and rated power range are as follows:
a) 3 kV (3.3 kV) and 6 kV voltage, IC01, IC11, IC21, IC31, IC81W cooling method, rated power of 200 kW to 25 000 kW;
b) 10 kV voltage, IC01, IC11, IC21, IC31, IC81W cooling method, rated power 200 kW ~ 22 400 kW;
c) 3 kV (3.3 kV) and 6 kV voltage, IC611, IC616, IC511, IC516 cooling method, rated power 200 kW ~ 10 000 kW;
d) 10 kV voltage, IC611, IC616, IC511, IC516 cooling method, rated power of 200 kW to 10 000 kW;
e) 3 kV (3.3 kV) and 6 kV voltage, IC411 cooling method, rated power of 200 kW to 3 150 kW;
f) 10 kV voltage, IC411 cooling method, rated power is 200 kW ~ 2 800 kW.
Effective Date: 2026-08-01
Replaces: GB/T 4706.102-2010
Scope of application: This document specifies the safety requirements for electric commercial refrigeration appliances and ice-making machines for household and similar purposes with built-in or remote refrigeration units or motor-compressors. This document applies to electric commercial refrigeration appliances and ice-making machines with built-in motor-compressors or with two units combined into a single appliance (split system) according to the manufacturer’s instructions.
Post time: Mar-16-2025