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IEVref:113-03-56ID:
Language:enStatus: Standard
Term: efficiency
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Symbol: η
Definition: quantity of dimension 1 equal to the ratio of a specified output power P2 to a specified input power P1 to the same system, thus η = P2 / P1

NOTE The efficiency is preferably expressed in percentage and used to characterize devices, for instance electric machines.


Publication date:2011-04
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Internal notes:2017-06-02: Cleanup - Remove Attached Image 113-03-56en.gif
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