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Department of Electrical and Electronic Engineering
University of Peradeniya
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Department of Electrical and Electronic Engineering
University of Peradeniya


Smart Grid Laboratory

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Around the world, the electricity transmission and distribution systems are aging and demand is increasing with the rapid economic development. Hence the existing asserts need to be upgraded or new assets need to be added. Further, due to environmental reasons, renewable energy sources such as photovoltaic system, solar thermal power plants, wind power plants and hydro power plants are being added increasingly to the transmission and distribution networks. This introduces a number of challenges such as voltage control and protection issues due to bi-directional power flow and demand-supply matching with renewable energy sources having varying output. It is anticipated that the combine applications of ICT and demand side approaches would provide solution to the emerging problems caused by the addition of renewable energy sources and increasing demand. Modernizing the power systems using ICT that enables renewable addition and demand side participation are now called Smart Grid.

At the Smart Grid laboratory of the Department of Electrical and Electronic Engineering, we are investigating the possible solutions for challenges encountered when combining of electricity systems and ICT. Undergraduate and postgraduate projects are conducted on developing Smart Grid test facility at the Department. Further research is being carried out to develop energy efficient products such as solar powered street lamps and traffic light systems which are leading to energy security.





Around the world, the electricity transmission and distribution systems are aging and demand is increasing with the rapid economic development. Hence the existing asserts need to be upgraded or new assets need to be added. Further, due to environmental reasons, renewable energy sources such as photovoltaic system, solar thermal power plants, wind power plants and hydro power plants are being added increasingly to the transmission and distribution networks. This introduces a number of challenges such as voltage control and protection issues due to bi-directional power flow and demand-supply matching with renewable energy sources having varying output.


It is anticipated that the combine applications of ICT and demand side approaches would provide solution to the emerging problems caused by the addition of renewable energy sources and increasing demand. Modernizing the power systems using ICT that enables renewable addition and demand side participation are now called Smart Grid. As the leading university in Sri Lanka, we are investigating the possible solutions for several questions posed by this combining of electricity systems and ICT.


The Smart Grid facility, which is developing as of this moment, is presented in the following figure. This system will replicate a distribution network at laboratory level. The distribution line will be modelled by a distribution line emulator. Solid state transformer is emerging power system components with number of benefits and the effectiveness of solid state transformer on Smart Grid will be investigated. On the low voltage distribution network, loads and renewable energy sources such as photovoltaic systems and wind power will be integrated. In order to investigate the behavior of a distribution line, a model distribution line will be developed. In order to facilitate the renewable energy source testing, photovoltaic and wind turbine emulators are to be developed.


Publications
  • G.I.Konthawardana, J.B.Subashiny, A.A.S.K.Amarasinghe, P.J.Binduhewa, M.P.B.Ekanayake, and G.M.R.I.Godaliyadda, “Photovoltaic Panel Curve Tracer and Parameter Estimation”, 107th Annual conference session of the Institution of Engineers Sri Lanka (IESL), IESL Transactions 2013, Vol. 1-Part B, Technical Papers 34, page(s) 247-254.

  • I.M.H.Bandara, R.W.M.C.M.Rathnayake, E.K.K.M.Karunadhipathi, J.B.Ekanayake, P.J.Binduhewa and K.M.Liyanage, “Wind Turbine Emulator for Smart Grid Test Facility”, Accepted to publish at the Peradeniya University International Research Sessions (iPURSE) 2014.

  • Chathuranga Jayarathna, Prabath Binduhewa, Janaka Ekanayake, “Evaluation of the harmonic performance in Cell Level PV Inverter”, Accepted to publish at the Peradeniya University International Research Sessions (iPURSE) 2014.

Awards
  • Winner of IEEE Energy Conversation Competition for University Undergraduate students 2013 organized by IEEE Sri Lanka Section for the project on “Design and Implementation of Solar Powered LED Street Light” - Project Group: M.Wijesekara, K.Weerasinghe and R.Udapitya; Supervisor: Dr.Prabath Binduhewa and Dr.Lilantha Samaranayake.

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Team
  • Prof.J.B.Ekanayake, Department of Electrical and Electronic Engineering
  • Prof.K.M.Liyanage, Department of Electrical and Electronic Engineering
  • Dr.P.J.Binduhewa, Department of Electrical and Electronic Engineering
  • Dr.A.Atputharajah, Department of Electrical and Electronic Engineering
  • Dr.Kamalanath Samarakoon, Department of Computer Engineering

Professional Organizition

PHES IEEE IESL IET

Where we are

Copyright 2015 - Department of Electrical & Electronic Engineering