[IEEE 2020 International Conference on Renewable Energy Integration into Smart Grids: A Multidisciplinary Approach to Technology Modelling and Simulation (ICREISG) - Bhubaneswar, India (2020.2.14-2020.2.15)] 2020 International Conference on Renewable Energy Integration into Smart Grids: A Multidisciplinary Approach to Technology Modelling and Simulation (ICREISG) - Performance Analysis of different FACTS devices using Grey Wolf Optimization algorithm PDF plus (1+PI) controller based multi-area AGC system