DB31/T 522-2023 Ventilation system energy-saving renovation technical specifications

DB31/T 522-2011 Ventilator and its system energy-saving renovation technical specifications

GB/T 10178-2006 Industrial fans—Performance testing in situ 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 13467-1992 The methods of electric power balance test and calculation in fan system GB/T 13467-2013 Measurement and calculation methods of electric energy balance for fan system GB/T 13470-1992 Economical operation of the fan system GB/T 13470-2008 Economical operation for the fan system GB/T 13471-1992 Methods for calculating and evaluating the economic benefits of electricity saving measures GB/T 13471-2008 Methods for calculating and evaluating the economic value of electricity saving measures GB/T 15913-1995 Monitoring and testing method for energy saving of fan unit and distribution tube system GB/T 15913-2009 Monitoring and testing for energy saving of fan’s unit and distribute tube system GB/T 15913-2022 Monitoring and testing for energy saving of fan’s unit and distribute tube 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 GB 18613-2002 Limited values of energy efficiency and evaluating values of energy conservation of small and medium three-phase asynchronous motors GB 18613-2006 Minimum allowable values of energy efficiency and the energy efficiency grades for small and medium three-phase asynchronous motors GB 18613-2012 Minimum allowable values of energy efficiency and energy efficiency grades for small and medium three-phase asynchronous motors GB 18613-2020 Minimum allowable values of energy efficiency and values of efficiency grades for motors GB 19761-2005 The minimum allowable values of energy efficiency and evaluating values of energy conservation for fan GB 19761-2009 Minimum allowable values of energy efficiency and energy efficiency grades for fan GB 19761-2020 Minimum allowable values of energy efficiency and energy efficiency grades for fan GB/T 21056-2007 Specification for adjustable speed drive systems of electricity conservation with VF for fans and pumps GB/T 22239-2008 Information security technology—Baseline for classified protection of information system security GB/T 22239-2019 Information security technology—Baseline for classified protection of cybersecurity GB/T 25070-2010 Information security technology—Technical requirements of security design for information system classified protection GB/T 25070-2019 Information security technology—Technical requirements of security design for classified protection of cybersecurity GB/T 26921-2011 The guide of design optimization for motor systems(fans,pumps,air compressors) GB/T 29314-2012 Specification for the reconstruction of motor system for energy-saving GB/T 29314-2023 Specification for the reconstruction of motor system for energy-saving GB 30253-2013 Minimum allowable values of energy efficiency and energy efficiency grades for permanent magnet synchronous motors GB 30253-2024 Minimum allowable values of energy efficiency and energy efficiency grades for permanent magnet synchronous motors GB 30254-2013 Minimum allowable values of energy efficiency and the energy efficiency grades for cage three-phase high voltage induction motor GB 30254-2024 Minimum allowable values of energy efficiency and energy efficiency grades for cage three-phase high voltage induction motor GB/T 30257-2013 Technical requirements of measurement and verification of energy savings,fan system GB/T 32891.2-2019 Rotating electrical machines—Efficiency classes(IE-code)—Part 2:Variable speed AC motors DB31/T 1396 GB 50275-2010 Code for construction and acceptance of fan,compressor and pump installation GB/T 13471-2025 Methods for calculating and evaluating the economic benefits of energy saving project