 Definitions of efficiency of conversion
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| Definition of 'efficiency of conversion' |
The Standard Electrical Dictionary |
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1. efficiency of conversion
In a dynamo or generator the relation of energy absorbed to total electric energy produced. Part of the electric energy is expended in producing the field and in other ways. Thus a generator with high efficiency of conversion may be a very poor one, owing to the unavailable electric energy which it produces. The coefficient of Efficiency of Conversion is obtained by dividing the total electric energy produced by the energy absorbed in working the dynamo. If M represents the energy absorbed, or work done in driving the dynamo or generator, W the useful electric, and w the wasted electrical energy, then the coefficient of efficiency of conversion is equal to
(W + w ) / M
In the quantity M are included besides available (W) and unavailable (w) electric energy, the totally wasted energy due to Foucault currents, etc., calling the latter m, the above formula may be given
( W+ w ) / (W + w + m )
This coefficient may refer to the action of a converter, q. v., in the alternating system. Synonym--Gross Efficiency.
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