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This paper aims to analyze and investigate the influence of RES on 400kV transmission system in Tamil Nadu state which has the highest amount of Wind/Solar generation installed in India and huge addition of other RES, has been considered to study the impacts of increasing Renewable Energy Resources on proposed TN - Green Energy Corridors with regards to stability of the system and to suggest the improvements required to enhance the of the Corridor. Quantification of maximum power transferred from remote areas where renewable sources are pre dominant to Load centers through Green Energy Corridors also observed. Increasing Renewable Energy penetration in a power system means that RERs substitute the conventional power plants that traditionally control and stabilize the power system. Further, this project also covers the importance of Dedicated Transmission Corridors to facilitate large scale integration of renewable into the grid and identify the possibilities to evacuate the RES generation to the Load centres which ensures maximum RES usage and reduction in RES curtailment. Renewable Energy Management Centre (REMC) equipped with advanced Forecasting Tools, Smart Dispatching solutions & Real Time Monitoring of RE generation, can closely coordinate with the Grid Operations team for safe, secure and optimal operations of the overall grid.

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The Occurrences of blackout has emphasized the Engineers to enhance the protection schemes. The faulted areas are isolated and therefore the remainder of the areas are protected. During the faulted conditions like Congestion, Over/Under Voltage, Over/Under current, Over/Under Frequency etc, the dimensions and complexity of the facility grid makes the system vulnerable. In this paper Wide area protection scheme is applied to a 400kv Network. For detection and to initiate remedial actions, SCADA alongside Phasor Measurement Unit is applied for Wide Area Protection for robustness of the facility Grid.