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Combining Stand Alone PV Rooftop, Small Scale PHS, Rainfall Storage Systems for Increasing Electric Power Production based on Hybrid Pumping Technique

This paper proposed modified of the standalone PV-small scale PHS system design and operational method based on hybrid pumping technique in high rise building application. The objective of the proposed design and operational method are to increase the electric power production of the PV-small scale PHS system. Modification of the PV-small scale PHS system is carried out on the upper reservoir which is designed to have a rainfall storage system. SOC operations can be carried out with this design by combining the pumping process with PV power (when sunny or cloudy conditions) and PHS generator power (when rainy conditions or night). All components are modeled, and confirmation this design using a simulation program. The feasibility analysis of this design will be evaluated using the Loss Power Supply Probability (LPSP) method. Based on the system design, three pumping techniques can be combined and six methods of filling the upper reservoir. The simulation result shows that the PV-PHS system can increase the production of stored power about 22.44% and electric energy about 35.53% (daily simulation) and 45.69% (weekly simulation). For electrical energy generated increased by 35.53% (daily simulation) and 56.59% (weekly simulation).