With the rapidly increasing solar PV penetration to the Utility Distribution Network (UDN) over the past decade, numerous operational challenges including Power Quality (PQ) problems have become substantial compared with ...

The human auditory system is a collection of technical theories and mathematical equations in the context of human sound source localization process. Also, according to the developed human ear models, under the disciplines ...

Major energy consumer of the World Trade Center building is the air conditioning system and it is more than 50% of the total energy consumption. Considering overall energy consumption of the building, air conditioning ...

Ceylon Electricity Board (CEB) has many transformer installations in its distribution network, with their capacities ranging from 100 kVA to 1000 kVA. The latest transformer designs are very much simplified and optimized. ...

The plantation sector of Sri Lanka, currently using more than 8,000 induction motors of the range of 10hp to 30hp. Most of those motors were installed in 1960s, 1970s and early 1980s. Those days’ motors were designed for ...

The cost of power generation is continuously increasing everywhere in the world. In Sri Lankan context this has an added effect as the low cost hydropower resources have been exhausted while the demand is continuously ...

The life duration of a transformer depends to a high degree on extraordinary events, such as over voltages, short-circuits in the system. emergency loading and harmonic loading. The application of a load m excess of nameplate ...

This dissertation presents a study meant for improvement of lightning protection in low voltage distribution systems in the areas with high isokeraunic levels. The electricity consumers in Sri Lanka, especially those who ...

In Air conditioning air blowers are working at full speed although the conditional area at set temperature. Tins situation consumed considerable amount of energy to drive \ the fan or blower and running the refrigeration ...