Browsing EECon - 2018 by Author "Hemapala, KTMU"

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  • An adaptive protection scheme for small scale microgrids based on fault current level 
    Peiris, WLT; Eranga, WH; Hemapala, KTMU; Prasad, WD [Conference-Full-text]
    With the growing of the “Microgrid” concept in the modern world, new protection systems are required. This protection system should be handled the all configurations and all conditions of the microgrids and suitable for ...
  • Development of adaptive overcurrent relaying scheme for IIDG microgrids 
    Amaratunge, M; Edirisuriya, DUY; Ambegoda, ALAPL; Costa, MAC; Peiris, WLT; Hemapala, KTMU [Conference-Full-text]
    Current power system interest is intensely going towards the renewable energy integration to the system in the form of microgrids. Since microgrid has two major operating modes as stand-alone and grid-connected, cause ...
  • DQ transform based current controller for single-phase grid connected inverter 
    Jayathilaka, I; Lakpriya, L; De Alwis, D; Jayakody, G; Hemapala, KTMU; Karunadasa, JP; Lakshika, H [Conference-Full-text]
    In this paper, the design and simulation of a current controller for a grid connected inverter is implemented by using the synchronous reference frame conversion. The active power and the reactive power outputs of the ...
  • Simulation performance of grid connected Z source solar inverter with incremental conductance MPPT 
    Jayasundara, DYM; Karunarathne, AMGT; Edirisooriya, HPUD; Jayasiri, LKN; Hemapala, KTMU; Karunadasa, JP; Lakshika, KAH [Conference-Full-text]
    Z source inverters (ZSI) can perform single stage, buck-boost conversion and have shown to offer slightly higher efficiency over traditional inverters. However, ZSI controller unit becomes more complex when achieving ...