GB 12497-1995 Three-phase induction motor energy-saving operation

GB 12497-1990

GB/T 12497-2006 Three-phase induction motor's economic operation

GB 8916 GB 156-2003 Standard voltages GB/T 156-2007 Standard voltages GB/T 156-2017 Standard voltages 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 997-2003 Classification of types of construction and mounting arrangements for rotating electrical machines(IM code) GB/T 997-2008 Rotating electrical machines—Classification of types of construction,mounting arrangements and terminal box position for(IM Code) GB/T 997-2022 Classification of types of construction,mounting arrangements and terminal box position (IM Code) for rotating electrical machines GB/T 1032-2005 Test procedures for three-phase induction motors GB/T 1032-2012 Test procedures for three-phase induction motors GB/T 1032-2023 Test methods for three-phase asynchronous motors GB/T 1980-1996 Standard frequencies GB/T 1980-2005 Standard frequencies GB/T 3485-1998 Technical guides for evaluating the rationality of electricity usage in industrial enterprise GB/T 4942.1-2001 Classification of degrees of protection provided by enclosures of rotating electrical machines (IP code) GB/T 4942.1-2006 Degrees of protection provided by the integral design of rotating electrical machined(IP code)—Classification GB/T 755-2025 Rotating electrical machines—Rating and performance GB/Z 156-2025 Good practice for dynamic light scattering(DLS) measurements