With the current increasing trend for the non-conventional renewable energy (NCRE) in Sri Lanka, interest has been focused on retiring of thermal/coal power plants and getting the energy via renewable sources.
Since almost ...
Speech and hearing-impaired people used sign language to communicate with each other. Sign languages are made of gestures. The language consists of different gestures instead of letters or words.
The purpose of this ...
The severity of the emerging environmental problems and the criticality of a future
energy crisis with associated socio-economic quandaries are becoming strengthen along
with the inevitable growth of energy demand due ...
Over the years Intelligent wheelchairs which can gather information from the envi ronment to make decisions for itself have been developed to fulfil the needs of the wheelchair users. To improve ...
Multilevel inverters are found in many applications in high power levels. These converters are available in different topological options, such as Cascaded Half Bridge, Neutral Point Clamp, Flying Capacitor, Hybrid and so ...
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ABSTRACT
The telecommunication sector is consisting of firms that facilitates communication on a mass
scale, through the phone or the web, as wired or wireless services. These firms created their
infrastructure ...
It is important to have an uninterrupted, economical, and reliable electricity supply
contributing to economic and social development of a country. Due to the environmental
impacts of fossil fuel based conventional power ...
Distributed generation is a small-scale and renewable-based energy source (ex: solar/ wind/
biomass) near to loads in distribution networks. It is becoming more prominent in the present
world due to incremental demands ...
More and more renewable electricity generating sources such as wind and solar power plants are being integrated into electrical power systems, which in turn complicates processes such as power system stability studies due ...
Cement kiln, the most energy consuming unit of a cement factory, carries out the clinker manufacturing process, which must be operational with stable conditions to achieve consistent clinker quality and maximum production ...
Colombo being the commercial hub of Sri Lanka, maintaining high reliability of electricity
supply is critical. Thus, the electricity distribution network of Colombo city comprises of six,
11 kV ring networks formed around ...
Identification of synchronous generator parameters is a vast area in research topics. In order to model an existing power system network, these parameters are very crucial in identifying the behavior of the system during ...
Conveyor belt-type checkweigher machines are important part of modern production factories. They are used to determine the weight of the different types of products without stopping the products on the weighing conveyor. ...
Abstract
The phenomenon of magnetic hysteresis effect of the core material of a transformer plays an important role when representing the transformer in a simulated environment.
Input-output behavior of a transformer is ...
Proliferation of solar photovoltaics (PV) in low-voltage (LV) distribution networks
is inciting technical challenges in network design and operation with regard to the
quality of power. Violations of operational performance ...
umans interact with machines extensively through our auditory and visual
senses, but they frequently ignore their most trusted sense: touch. However, the sense
of touch has tremendous potential in almost all fields, ...
Telecom infrastructure growth rate has been rapidly increased due to higher competition among operators for them to provide reliable and quality service to the customers. Rapid increase of telecom tower construction and ...
Higher utilization of distributed generation using solar PV can be observed in recent years due to the gradual reduction of solar panel cost. More additions of solar PV generation in the LV grid can be expected in the ...
Renewable energy power plants, especially grid connected solar and wind generation units are displacing the conventional generator stations with rotating machines with inertia. In Sri Lanka, renewable energy generation has ...
The power system Sri Lanka is an islanded power system of a relatively small size. Other than
the coal power plants, combined cycle plants and gas turbines, a significant portion of
electricity requirement is supplied ...