GB 24790-2009
AbolishedMinimum allowable values of energy efficiency and the energy efficiency grades for power transformers
电力变压器能效限定值及能效等级
Application Summary AI generated
GB 24790-2009 specifies the minimum allowable energy efficiency values and energy efficiency grades for oil-immersed and dry-type power transformers. It is applied in the design, manufacturing, and procurement of power transformers used in electrical power distribution and transmission systems across China. This standard ensures that transformers meet mandatory energy-saving requirements, guiding manufacturers and utilities in selecting efficient equipment to reduce operational energy losses.
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