Abstract: The purpose of this article is the simulation of energy efficiency performance using a mathematical model of a unit
process. A dynamic model of the process is used for its control. As the process is used for different production quantities,
energy efficiency is investigated. Specific Energy Consumption (SEC) is one of the key performance measures of a plant or
equipment. It consists of calculating energy consumed for producing a unit product. Hence, the model is used together with an
observer and a controller to iteratively compute the specific consumption. For different trajectory to track (product type) and
for different capacity usage, the iteration permits to get the corresponding specific energy consumption curve versus capacity
usage. This characterization can be used later when operating to diagnose overconsumption of energy compared to initial
equipment setup (equipment and control system). Finally, an industrial example is provided as a comparison to the
simulation case.
Keywords: Energy efficiency, Process model, Process control, Specific energy consumption, SEC.
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