*Cogeneration is a well-known and cost effective solution for generating power and heat within the same plant, leading to improved overall efficiency and reduced generation and maintenance cost. Recently, combined heating and power systems have been used for facilitating the integration of renewable energy source in medium size applications through the use of electric and thermal energy storage units. Due to the complexity of the plant as well as significantly variability in power demand and production, the design and operation of such systems requires a systematic co-optimization of plant and controller for guaranteeing near optimal performance. In this scenario, this study presents a physics-based parametric modeling approach for the characterization of the main components of a 1MW combined heating and power systems that includes renewable sources, electric and thermal storage devices. To demonstrate the model flexibility and potential benefits achieved by an optimal sizing, the integrated system energy management is optimized using Dynamic Programming. Finally, the operational costs for different configurations are compared showing that a preliminary optimization of the energy management strategy in conjunction with the system design can lead to more than 10% of reduction in the operational cost.*


Parametric Modeling and Optimal Control of a Combined Heating and Power System With Energy Storage

Division / Sponsors: 
Dynamic Systems & Control (DSCD)

Paper Proceedings: https://asmedigitalcollection.asme.org/DSCC/DSCC2020/volume/84270

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