Technical Session - 4

Title:            Reliability Cost/Worth Assessment of Generating Systems Incorporating Solar PV / Wind Energy
Authors:       Nagaraju Annam, J. Bhagwan Reddy, Sardar Ali
Abstract:     Today’s world needs uninterrupted qualitative electrical power with high reliability. Since the renewable sources such as wind and solar energy provide stochastic power output, it is crucial to predict and control absolutely. Energy storage is expected to be correlative with them to maintain stability and reliability of system. The reliability evaluation models of wind power, solar photovoltaic power and energy storage which can be used in sequential Monte Carlo simulation are developed. The inherent characteristics that are deterministic to chronological variation of power output are incorporated during modelling. It includes wind speed, solar radiation, energy conversion performance and charge/discharge constraints of energy storage. Reliability evaluation methods are preferred for assessment of dependable capacities associated with system reliability indices to determine specific information for the long-term planning purposes. In this paper Evaluation techniques for performing reliability cost/worth studies on a power system using wind energy, solar energy and energy storage systems are presented. Two major methods designated as the optimal utility cost method and the reliability cost/worth method are developed and discussed.

Keywords:  Renewable , Reliability, Solar PV, Wind
Pages:        221-226

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