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As the current situation of imperfect model algorithm
of electrical equipment for energy efficiency evaluation,
we set up energy efficiency DEA model. In the model,
we got average load rate, average power factor and triphase
unbalance factor as inputs indexes. And we got
economic output of per unit of power consumption
and energy pollution as outputs indexes. Then we
transformed multiple pollutants into a pollutant index
through principal component analysis. And we got it as
the desired output. The result of 12 industrial enterprises
in the energy efficiency of electrical equipment shows
that the evaluation model is suitable for energy efficiency
evaluation and system analysis. The DEA model is
useful to further improvement in the energy efficiency of
equipment.
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