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PIRC, A., DROBNIČ, B., MORI, M., SEKAVČNIK, M.
PLANNING OF A SELF-SUFFICIENT ENERGY SYSTEM WITH INTERNAL COMBUSTION ENGINE
KOMUNALNA ENERGETIKA / POWER ENGINERING, 9
The paper presents method of optimization of a self-sufficient energy system configuration. At the beginning an optimisation method for advanced planning of energy supply systems is presented. Secondly, Mathwork’s Simulink was used to describe dynamic mathematical model consisting of energy user, energy production unit (internal combustion engine - ICE), energy saving capacities (battery) and regulation. At the end optimal system was found through a series of simulations which ensures stable and rational energy supply with respect to different rules of operation, particular sub-system’s sizes and economical aspects. At the end, results, appropriate diagrams and future guidelines are shown.
PIRC, A., SEKAVČNIK, M.
ANALYSIS OF ENERGY SUPPLY SYSTEMS DECENTRALIZATION IN URBAN AREA
KOMUNALNA ENERGETIKA / POWER ENGINERING, 7
In this paper analysis of energy supply systems decentralization was made. Energy supply
of real urban area with heat and electricity depends on energy efficiency, investment and
operational costs. At the beginning biogas plant, hot water and gas network planning are
presented. Analysis consist of three examples: firstly, biogas plant generates electricity and
distributes heat by hot water network; secondly, biogas plant distributes biogas to smaller
cogeneration units inside of urban area; finally, produced biogas is burned in internal
combustion engine and distributed to individual users boilers. On the basis of investment and
operating costs, the calculation of cost prices of heat and electricity was made at the end.
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