Analyzing the Integration of 17.38 MW Sephu Solar PV Plant into the Western Grid of Bhutan

Abstract

This report involves integrating Sephu Solar PV system’s distributed generation into Bhutan’s Western grid to examine and assess how the grid performs. Renewable Energy source integration with power systems is a strategic concept of smart grids. It is abeneficial technology as the integration of standardized PV systems into grids optimizes building energy balance, improves the economics of the PV system, reduces operational costs, and provides added value to the consumer and its utility. However, the variability and limited pedictability of these sources, have posed significant challenges associated with integration. This report reviews integration of solar systems into electricity gridsand highlights challenges faced by the existing grids. Some notable challenges associated with with Solar-Grid integration include problems of voltage stability, frequency stability, and overall power quality. This report will examine the challenges and be
havior of the existing Western Grid when integrating Sephu Solar PV into the existing Western grid of Bhutan using PSS/E software.