T/CNGMA 028-2025 AC motor
T/CNGMA 028-2025 AC motor
Basic Information
Scope
This document specifies the classification and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality assurance of AC motors. This document is applicable to single-phase and three-phase AC asynchronous motors and permanent magnet synchronous motors (hereinafter referred to as "AC motors") with a rated voltage of 690V and below, and a rated power of 0.12kW to 1000kW. Other similar products can be used as reference. 4. Classification and Basic Parameters 4.1 Classification 4.1.1 Classification by working principle and structure 4.1.2 Classification by protection grade 4.1.3 Classification by cooling method 4.1.4 Classification by specific application fields 4.2 Basic Parameters 4.2.1 Rated voltage and frequency 4.2.2 Rated power and speed 4.2.3 Efficiency grade 4.2.4 Power factor 4.2.5 Operating mode 4.2.6 Installation structure type 5. Technical Requirements 5.1 Environmental Conditions 5.2 Appearance and Structure 5.2.1 Appearance Quality 5.2.2 Outline and Installation Dimensions 5.2.3 Mechanical Precision and Fit 5.3 Performance Requirements 5.3.1 Operating Characteristics 5.3.2 Efficiency and Energy Efficiency Limits 5.3.3 Power Factor 5.3.4 Torque Characteristics 5.3.5 Speed Characteristics and Speed Range 5.4 Electrical Safety 5.4.1 Insulation Resistance 5.4.2 Dielectric Strength 5.4.3 Grounding Continuity 5.5 Electromagnetic Compatibility (EMC) 5.5.1 Electromagnetic Emission Limits 5.5.2 Anti-Interference Requirements 5.5.3 Supplementary Requirements for Specific Control Elements 5.6 Noise and Vibration 5.6.1 Noise Limits 5.6.2 Vibration Grade 5.7 Environmental Adaptability 5.7.1 High Temperature Performance 5.7.2 Low Temperature Startup and Operation 5.7.3 Moisture Resistance 5.8 Reliability and Lifespan 5.8.1 Durability 5.8.2 Mean Time Between Failures (MTBF) 5.8.3 Bearing Lifespan 5.9 Intel