alexa Smart and Adaptive Over Current Protection for Distrib
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
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Special Issue Article

Smart and Adaptive Over Current Protection for Distribution System with Distributed Generation

M. Chandran1, S. Ravindra kumar2 Dr. P. Somasundaram3
  1. PG Student [PSE], Dept. of EEE, College of Engineering, Anna University, Chennai-25, India
  2. Associate Professor, PSE Division, Dept. of EEE, College of Engineering, Anna University, Chennai-25, India
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Supply security, energy efficiency and growing environmental concern are the main reasons that resulted in significant penetration of Distributed Generation (DG) in the distribution system. Recent developments of connecting distributed generators to the distribution networks alter the performance of the network, particularly in islanded mode. The complexity in the protection is that the fault current seen by the protective devices would appreciably change when the system is working in grid-connected mode and islanded mode. These small generators have the advantage of being connected to the nearby load centre. This paper presents an algorithm to protection coordination of distribution network with DGs. The algorithm uses the communication feasibility available with the modern relays. In addition, a smart approach is proposed with GOOSE (Generic Object Oriented Sub-station Event) communication, to enable introduction of sophisticated Logic schemes for distribution system.


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