Analyzing of hydel, wind and fuel cell hybrid system for rural electrification with reduced cost of energyJeyalakshmi Velusamy, Guru Prasad Murugan, Dhanalakshmi Sundararajan and Rajeshwari RathnavelE3S Web Conf., 387 (2023) 02007DOI: https://doi.org/10.1051/e3sconf/202338702007