4 FAQs about Structure diagram of cascade energy storage system

How does a cascade hydropower system work?

The method utilizes the regulation capacity of cascade small hydropower plants and pumped storage units, in conjunction with the fluctuating characteristics of local distributed wind and PV, to perform power and energy time-series matching and determine the optimal capacity allocation for each type of renewable energy.

Can pumped storage power stations be built among Cascade reservoirs?

The construction of pumped storage power stations among cascade reservoirs is a feasible way to expand the flexible resources of the multi-energy complementary clean energy base. However, this way makes the hydraulic and electrical connections of the upper and lower reservoirs more complicated, which brings more uncertainty to the power generation.

Can cascade small hydropower be used as energy storage?

Based on this analysis, a site-specific approach is adopted to select cascade small hydropower for pumped storage transformation as the energy storage method. It also proposes research on the capacity configuration of a cascade small hydropower-pumped storage–wind–PV complementary system. Through simulation, the following conclusions are drawn.

What is Cascade small hydropower-pumped storage transformation?

The cascade small hydropower-pumped storage transformation aims to expand the pumped storage function while ensuring the basic function of water supply and power generation.

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