Model Predictive Control Design for Unlocking the Energy Flexibility of Heat Pump and Thermal Energy Storage Systems
CoRR(2024)
摘要
Heat pump and thermal energy storage (HPTES) systems, which are widely
utilized in modern buildings for providing domestic hot water, contribute to a
large share of household electricity consumption. With the increasing
integration of renewable energy sources (RES) into modern power grids,
demand-side management (DSM) becomes crucial for balancing power generation and
consumption by adjusting end users' power consumption. This paper explores an
energy flexible Model Predictive Control (MPC) design for a class of HPTES
systems to facilitate demand-side management. The proposed DSM strategy
comprises two key components: i) flexibility assessment, and ii) flexibility
exploitation. Firstly, for flexibility assessment, a tailored MPC formulation,
supplemented by a set of auxiliary linear constraints, is developed to
quantitatively assess the flexibility potential inherent in HPTES systems.
Subsequently, in flexibility exploitation, the energy flexibility is
effectively harnessed in response to feasible demand response (DR) requests,
which can be formulated as a standard mixed-integer MPC problem. Numerical
experiments, based on a real-world HPTES installation, are conducted to
demonstrate the efficacy of the proposed design.
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