DB31/T 668.2-2012 Energy-saving technology renovation and energy management project energy-saving amount review and calculation method - Part 2: Air compressor system

DB31/T 668.1-2012 Energy-saving technology renovation and energy management project energy-saving amount review and calculation method - Part 1: General principles DB31/T 668.3-2012 Energy-saving technology renovation and energy management project energy saving evaluation and calculation method - Part 3: Motor systems (pumps) DB31/T 668.4-2012 Energy-saving technology renovation and energy management project energy-saving amount review and calculation method - Part 4: Boiler system DB31/T 668.5-2012 Energy-saving technology renovation and energy management project energy-saving amount review and calculation method - Part 5: Elevator system DB31/T 668.6-2012 Energy-saving technology renovation and energy management project energy-saving amount review and calculation method - Part 6: Furnace system DB31/T 668.7-2012 Energy conservation technology renovation and energy efficiency assessment and calculation methods for energy management contracting project - Part 7: Cooling tower systems DB31/T 668.8-2012 Energy-saving technology renovation and energy-saving management project energy-saving amount review and calculation method - Part 8: Electromagnetic induction heating DB31/T 668.9-2012 Energy-saving technology renovation and energy management project energy-saving amount review and calculation method - Part 9: Refrigeration system DB31/T 668.10-2012 Energy-saving technology renovation and energy-saving management project energy-saving amount review and calculation method - Part 10: Motor system (fan) in the energy-saving management project DB31/T 668.11-2012 Energy-saving technology renovation and energy management project, energy saving evaluation and calculation method for Part 11: Lighting system

GB/T 3485-1998 Technical guides for evaluating the rationality of electricity usage in industrial enterprise GB 12497-1995 Three-phase induction motor energy-saving operation GB/T 12497-2006 Three-phase induction motor's economic operation GB/T 13466-1992 The general principles of economical operation for fans (pumps、compressors) system of alternating-current electric drive GB/T 13466-2006 The general principles of economic operation for AC driven fan (pump,air compressor) system GB/T 16665-1996 Monitoring and testing method for energy saving of air compressor unit and air distribution system GB/T 16665-2017 Monitoring and testing for energy saving of air compressor unit and air distribution system GB/T 17167-1997 Guides for providing and managing of the measuring instruments of energy in enterprise GB 17167-2006 General principle for equipping and managing of the measuring instrument of energy in organization of energy using GB 17167-2025 General rules for energy measuring instrument equipping and managing of energy user DB31/T 54 DB31/T 668.1 GB/T 16665-2025 Monitoring and testing for energy saving of air compressor unit and air distribution system