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Abstract

The effective utilization of renewable energy sources such as solar and wind requires reliable and efficient energy storage systems due to their irregular and intermittent supply. This paper presents a novel hydro-accumulation system that significantly reduces energy consumption by integrating hydraulic ram pumps instead of traditional electrically powered pumps. The proposed system operates in cascade mode, where the kinetic energy of water is used multiple times through a sequence of hydraulic rams to pump water from a lower reservoir back to the upper one. Each stage of the system reuses the outflow water of the previous ram, achieving up to 78% water return without electricity when three rams are applied. Additional stages can further increase efficiency up to 87%, though with increased complexity and structural requirements. The study compares the economic and operational indicators of the traditional and proposed systems under the same capacity. Results show a notable reduction in annual energy consumption and a corresponding increase in economic efficiency. The proposed system is autonomous, environmentally friendly, and cost-effective, offering a sustainable solution to energy redistribution challenges in renewable energy systems. This approach not only improves system efficiency but also contributes to the global shift toward greener energy technologies.

First Page

52

Last Page

57

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