GB/T 22671-2024 Test methods for external-rotor motors

GB/T 22671-2008 Test procedures for with external rotor motors

GB 755-2000 Rotating electrical machines—Rating and performance GB/T 755-2008 Rotating electrical machines—Rating and performance GB/T 755-2019 Rotating electrical machines—Rating and performance GB/T 755.2-2003 Methods for determining losses and efficiency of rotating electrical machinery from tests(excluding machines for traction vehicles) GB/T 4942-2021 Degrees of protection provided by the integral design of rotating electrical machines(IP code)—Classification GB/T 5171.1-2014 Small power motors—Part 1:General technical requirements GB/T 5171.21-2016 Small power motors—Part 21:General test methods GB/T 5171.22-2017 Small-power motors—Part 22:Test methods for permanent magnet brushless DC motors GB/T 10068-2020 Mechanical vibration of certain machines with shaft heights 56 mm and higher—Measurement,evaluation and limits of vibration severity GB/T 10069.1-2006 Measurement of the airborne noise emitted by rotating electrical machines and the noise limits—Part 1:Method for the measurement of airborne noise emitted by rotating electrical machines GB/T 12665-1990 Requirements of damp-heat testing of electrical machine for service in general environmental condition GB/T 12665-2008 Requirements of damp-heat testing of electrical machine for service in general environmental condition GB/T 12665-2017 Requirements of damp-heat testing of electrical machine for service in general environmental condition GB/T 755-2025 Rotating electrical machines—Rating and performance