Optimal Sizing of Energy Storage Capacity for a Wind Power Generator to reduce the Loss of Load Probability

摘要

The Loss of Load has significant effect on the power system operation. In autonomous/grid connected distribution systems Loss of load frequently happens due to the reduction in wind/solar power generation. The Day ahead forecasting of wind velocity is very beneficial to the power system operators for unit commitment. In this paper the wind velocity for a particular hour of the day is predicted in advance. This paper addresses a method to reduce the problem of loss of load probability by the addition of Energy storage unit (ESU) along with wind power generation. The variations in the wind power are compensated though the storage system and reduces the risk of violating the power commitment made. The prediction of wind velocity obtained by this method is validated using the data collected from MOSDAC (Meteorological & Oceanographic Satellite Data Archival Centre), Government of India. Choice of optimal size for the ESU is done by minimising the sum of annual cost to be incurred for installing the ESU and the cost of energy not supplied.