Kamalanath Samarakoon

University of Peradeniya | UOP · Department of Computer Engineering

Background Leptospirosis is a bacterial zoonosis. Leptospirosis incidence (LI) in Sri Lanka is high. Infected animals excrete leptospires into the environment via their urine. Survival of leptospires in the environment until they enter into a person and several other factors that influence leptospirosis transmission are dependent upon local weather...

Renewable energy is identified as a solution for the growing future electricity demand. Photovoltaic (PV) is a leading type of renewable energy source used for electricity generation. Among the PV systems, distributed PV systems are becoming popular among the domestic consumers and hence the number of domestic PV installations is on the rise contin...

The potential of mobile phones to facilitate students’ science learning, when they are engaging in group activities, was investigated. To minimize the disciplinary issues emerged from the previous research on mobile devices and to enhance the quality of learning, a set of mobile phones that are connected to a private network was used. The lesson pl...

Present-day mobile phones combine the capabilities of communication devices, cameras and computers. Even though their educational values are well established, their widespread use is hindered by the general fears about students’ misuse of mobile phones and other barriers such as their operating cost and teachers’ inexperience of using them. As a so...

Present-day mobile phones combine the capabilities of communication devices, cameras and computers. Even though their educational values are well established, their widespread use is hindered by the general fears about students' misuse of mobile phones and other barriers such as their operating cost and teachers' inexperience of using them. As a so...

Growth in installed photovoltaic (PV) systems in the past decade has increased and the trend will continue. Different types of photovoltaic panels are available for purchase in the market with different specifications by different manufactures. It would be very costly to buy different types of PV panels for PV system testing at the research level o...

Growth in installed photovoltaic (PV) systems in the past decade has increased and the trend will continue. Different types of photovoltaic panels are available for purchase in the market with different specifications by different manufactures. It would be very costly to buy different types of PV panels for PV system testing at the research le...

Demand response is increasingly important in many power systems but Transmission System Operators (TSO) require confirmation that the response is available if it is to be used effectively. Demand response may be used to minimise the amount of spinning reserve obtained from partially loaded generators. The ability of the proposed smart metering comm...

The ability of smart meters to control domestic demand during system emergencies was investigated. Direct load control through the smart meters is unlikely to be able to provide primary frequency response because of communication delays. An alternative load control scheme that used a local frequency measurement from the smart meters was investigate...

The UK intends to install 53 million smart electricity and gas meters by 2020 at a cost of £11.3 billion. The present UK smart metering implementation proposals are discussed and an overview of smart meter operation given. State of the art smart meter hardware is described and security risks arising from the installation of a smart metering system...

A simple low cost smart socket is proposed to switch off fridges, fans and air-conditioners thus providing primary frequency response. When the power system frequency is dropping, the smart sockets switch off the appliances plugged into the sockets. As these appliances are switched off at higher frequencies than existing loading shedding frequency,...

The feasibility of using delayed smart meter measurements for distribution state estimation is investigated. It was assumed that smart meters take local measurements, store them, and transmit a batch of information twice a day. An 11 kV underground network (the UK Generic Distribution Network) with various numbers of distributed generators connecte...

A supply restoration approach which uses load profiles constructed from the measurements obtained from domestic smart meters is discussed. The smart meter measurements were aggregated to construct the load profiles of the loads connected to an 11 kV transformer. These load profiles were used to decide the period during which an agent reconfigures t...

A development of a rig that demonstrates a load control scheme which provides primary frequency response is reported. The rig uses a commercially available smart meter and remotely controlled smart sockets. A load controller implemented in a computer sends control signals to switch smart sockets on and off. The meter communicates with the computer...

This paper compares the methods that have been used to control frequency in the recently deregulated power system in Sri Lanka with the highly deregulated power system in Great Britain. Also it presents the proposed methods found from a literature survey that use demand side support for frequency control. It also emphasises the need of commercial a...

The modelling and simulation of smart meter controlled load blocking scheme to support primary frequency response is investigated. In the proposed scheme, the domestic loads are grouped based on their criticality and essentiality and depending on the drop of frequency each group is blocked. The simulation results were obtained for different losses...