Abstract:Pumped hydropower is one of the most important renewable energy in a power grid, which is converted into electricity through pumped storage hydropower systems (PSHS). However, the energy conversion process of a PSHS may be greatly threatened by extreme working conditions, especially successive load rejections (SLR). In order to obtain the optimal control scheme for SLR, this paper aims to study the control optimization strategies so as to achieve safe and stable operation of PSHS. Firstly, a refined nonlinear … Show more
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