• Vicky Panchal
• Dr.Rakesh joon

Unlike conventional utility grids, microgrids comprise generators, storage devices and loads at all levels of the system. Power generation, distribution and consumption levels are not discrete and power flow may occur at any direction. At any point in time, microgrid may be disconnected from the utility grid and continue its operation under islanding conditions. Furthermore, some microgrids may have changing structures with alternative paths and the coupling point for a device or a part of the microgrid may change due to the altering conditions. Considering all of these challenges, it is required to develop a new protection concept/scheme for a safe and secure operation. Maintaining proper selective operation of relays in these new systems and new dynamic microgrid structures is also a challenge in itself. To provide security, cryptography algorithm should be used.There are two types of cryptography Algorithm namely- Private key Cryptography and Public Key Cryptography. Private Key Cryptography Algorithm uses symmetric Key for encryption and decryption and this key is usually transmitted through an insecure method to the receiver for decryption purpose which makes the algorithm less secure. Instead Public Key Cryptography Algorithm uses two different keys-Public Key for encryption and Private Key for decryption. So,the private Key need not be transmitted as it is privately owned by the receiver which makes this algorithm more secure. Here, In this paper Public Key Cryptography Algorithm i.e. RSA algorithm has been implemented to prevent it from Intrusion Attacks.

Dijkstra’s Algorithm, Distributed Generation, Relay Programming, Central Protection, Selectivity, Graph Theory, RSA, Intrusion, MATLAB.

"Implementation of Dijkstra’s Algorithm in a Dynamic Microgrid ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 7, page no.330-337, July-2018, Available :http://www.jetir.org/papers/JETIR1807768.pdf

"Implementation of Dijkstra’s Algorithm in a Dynamic Microgrid ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 7, page no. pp330-337, July-2018, Available at : http://www.jetir.org/papers/JETIR1807768.pdf