The development of pumped storage hydropower using small scale prototype

Mat Sobri, Nurul Shazana (2022) The development of pumped storage hydropower using small scale prototype. Project Report. Melaka, Malaysia, Universiti Teknikal Malaysia Melaka. (Submitted)

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Abstract

Pumped hydroelectric energy storage is a form of hydroelectric energy storage that is used for load balancing in electric power plants. Water pumped from a lower elevation reservoir to a higher elevation is used to store energy in the form of gravitational potential energy. Using pumped-storage hydroelectricity, energy from instantaneous sources (such as solar and wind) and other renewables energy, as well as excess power from continuous base-load sources (such as nuclear or coal), may be stored for periods of higher demand. When compared to usual hydroelectric dams of comparable power output, pumped storage reservoirs are quite small, and production times are frequently shorter than half a day. In this project, a small scale of pumped storage hydropower will be developed by using two small water tanks, and a solar panel will be used as a renewable energy source that will power an electrical pump to deliver water from lower elevation tank to the higher elevation tank. The water inside higher elevation tank will flow back to lower elevation tank and the same time will move the water turbine generator to produce electrical energy. It is found that the developed small scaled pumped storage hydropower prototype is not efficient to battery-based solar charging system in term of output power and consistency.

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