Abstract: Energy storage is a potential alternative to conventional network reinforcement of the low voltage (LV) distribution network to ensure the grid’s infrastructure remains within its operating constraints. This paper presents a study on the control of such storage devices, owned by distribution network operators. A deterministic model predictive control (MPC) controller and a stochastic receding horizon controller (SRHC) are presented, where the objective is to achieve the greatest peak reduction in demand, for a given storage device specification, taking into account the high level of uncertainty in the prediction of LV demand. The algorithms presented in this paper are compared to a standard set-point controller and bench marked against a control algorithm with a perfect forecast. A specific case study, using storage on the LV network, is presented, and the results of each algorithm are compared. A comprehensive analysis is then carried out simulating a large number of LV networks of varying numbers of households. The results show that the performance of each algorithm is dependent on the number of aggregated households. However, on a typical aggregation, the novel SRHC algorithm presented in this paper is shown to outperform each of the comparable storage control techniques.
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Rowe, M.; Yunusov, T.; Haben, S.; Holderbaum, W.; Potter, B. The Real-Time Optimisation of DNO Owned Storage Devices on the LV Network for Peak Reduction. Energies 2014, 7, 3537-3560.
Rowe M, Yunusov T, Haben S, Holderbaum W, Potter B. The Real-Time Optimisation of DNO Owned Storage Devices on the LV Network for Peak Reduction. Energies. 2014; 7(6):3537-3560.
Rowe, Matthew; Yunusov, Timur; Haben, Stephen; Holderbaum, William; Potter, Ben. 2014. "The Real-Time Optimisation of DNO Owned Storage Devices on the LV Network for Peak Reduction." Energies 7, no. 6: 3537-3560.