Multi-functional inverter K.M.I.U. Ranaweera, S.D.U De Silva, D.M.K.S.B Dissanayaka, W.N.D Fernando In this project, a PV inverter to work as a harmonic filter for compensating the current harmonics in the distribution grid was proposed. Key Words: PV inverter, ancillary service, THD, non-linear loads. Overview Current harmonics is becoming a problem in distribution grids due to…
Shunt Active Filter for Compensation of Current Harmonics Injected by Non-Linear Loads K.M.I.U. Ranaweera, W.G.C.A. Sankalpa, G.G.S.C. Gunasekara, G.W.H.L. Rathnakumara, T.R.D.B. Thennakoon In this project, a shunt active filter to compensate current harmonics in the utility grid under balanced load condition was developed and tested via simulations and hardware implementation. Key Words: Shunt active…
Smart meters for monitoring power quality in distribution grid R.M. Kudahetti, W.R. Eranda, A.W.A.V. Madusanka, K.M.I.U. Ranaweera and D.S. De Silva. In this project, a system that is capable of performing real time and continuous power quality (PQ) monitoring in the distribution grid from a remote station was introduced. Key Words: Power Quality, Power Quality…
Real-time Low Cost Subcutaneous Vein Detection System based on Near-Infrared Spectroscopy Wanniarachchi T.G., Tharushika R.T.P., Panthaka W.S.P., Jayatunga E.H. The major problem faced by nurses today is difficulty in accessing veins for intravenous drug delivery and other medical situations. Although a peripheral vein can be accessed with a single attempt occasionally, for substantial number of…
Non-Invasive Screening Tool to Detect Anemia A.A. Azees, S. Suthaharan, K. Dinomi, Jayatunga E.H. Hemoglobin concentration is a vital parameter used to detect abnormalities in the human body including anemia and polycythemia. Currently, invasive techniques are used for hemoglobin measurement despite their many disadvantages including discomfort and potential complications for the pregnant, elderly and pediatric…
A Continuous Monitoring Wearable Device for Elderly People Vidyawansha C.J., Chamalka W.H., Priyanga H.G.A., Ajmal A.A., Jayatunga E.H. The aim of this project is to implement a reliable energy monitoring system which can measure current and voltage values to calculate useful parameters in order to produce useful outcomes or to carry out certain functionalities like…
Design of a Wearable Textile Antenna to Transmit Real-time Data of an Athlete Mr. E.H. Jayatunga, K. Amunugama, L. Helapita, T.H. Nagahawaththa , D.S. De Silva In wearable communication, wearable devices should have low power consumption and low transmission delays. These wearable devices should be able to collect, interpret, transmit and exchange data with other…
Enhance the Widespread Accessibility of Low Power IoT Devices with Drones Mr. Eranda Jayathunga, P. Samarakkody, S. Guruge , D. Samaradeera, P. Porambage When there is no Internet coverage or regular human monitoring is readily available, Wireless Sensor Network (WSN) deployment in a remote region is not plausible. Hence, we propose a communication system that…
The aim of this project is to implement a reliable energy monitoring system which can measure current and voltage values to calculate useful parameters in order to produce useful outcomes or to carry out certain functionalities like device identification, pattern recognition, cost prediction etc. For this a set of smart plug devices are connected to a central device via wireless technology.
Autonomous Transmissions Line Inspection and Fault Detection System Mr. Pasika Ranaweera, A. M. G. V. I. Lakmal, K. S. S. Prabhashwara, D. C. Alahakoon, W. M. M. S. C Perera, U. L. J. T. Perera, T. U. Malaviarachchi Power transmission network is the most critical part of a power system due to its connectivity with…
