Faculty of Engineering, Electrical Engineering: Recent submissions

Now showing items 261-280 of 510

Computer vision based fire alarming system

Gunawardena, AE [Thesis-Abstract]

Fire detection system is the most important component in the surveillance systems. It monitors the indoor environment and issues alarm as part of the early warning mechanism. The ultimate goal of Fire alarming system is ...
Continuous turbidity monitoring syste

Kuruppu, KAKG [Thesis-Abstract]

It is very important to measure the turbidity of raw water because the turbidity of treated water should be less than 5 NTU. In water treatment plants, three water samples per day are taken for turbidity testing. The main ...
Feasibility study on solar PV integration in to the celluler mobile telephony base satation sites

Wijesinghe, KC [Thesis-Full-text]

Price of electricity is increasing worldwide with depleting of non renewable sources in global context even true in local. In here it is proposed to integrate Solar PV in scalable on to the telecom Radio Base Stations ...
Identification of the optimum protection co-ordination in medium voltage co-ordination in medium voltage distribution system of Sri Lanka

Dissanayake, LK [Thesis-Full-text]

Majority of the faults in the transmission and distribution network are transient and these faults can be cleared with proper installation of protective devices with appropriate protection settings. It is important to clear ...
Development of a machine assisted eccentricity test method for a type of weighing instrument used in LPG cylinder filling machinery

Pandithasekera, VN [Thesis-Abstract]

Testing is an essential factor in the manufacturing processes. While the relevant standards and specifications govern the scope of a given test procedure, the methods and mechanisms used for the testing strongly depend on ...
Design and development of a remotely operated underwater vehicle for video transmission

Ranasinghe, RADAK [Thesis-Abstract]

Today, Sri Lanka is no exception from performing underwater observations, search and rescue missions being very closer to a major maritime lane. According to the applicable maritime standards, standing operating procedures ...
Study on reliability improvements of Lakvijaya power station related to the balance of plant systems : a case study

Wickramasinghe, WTC [Thesis-Full-text]

Lakvijaya power station is the first coal fired power station in Sri Lanka having an installed capacity of 300MW. During 2012, it has supplied 18% of the Sri Lankan energy demand. The availability factor of this power ...
Minimization of transformer failures due to lightning surges by introducing an electric shield in the ht winding

Karunananda, HSC [Thesis-Abstract]

The MV Distribution Network of CEB is frequently exposed to lightning and it is the main suspected reason for transformer failures. Appreciable number of transformer failures occurs due to insulation failures notably at ...
Jerk controlled joint space trajectory planning methods using 5-3-5 spline trajectory for industrial robot manipulators

Porawagama, PGCD [Thesis-Abstract]

In robot manipulator trajectory planning, jerk controlled trajectories are desirable for their amenability in path tracking, vibration suppression and reducing of manipulator wear. Bounded and continuous jerk trajectories ...
Efficiency improvements to the hydro power plants in the Laxapana complex

Jayawardene, CDRJ [Thesis-Abstract]

The main objective of this research is to present effective efficiency improvements to the hydropower plants in the Laxapana Complex. At present, electricity consumption in Sri Lanka is being increased at a rate of about ...
Modeling the contact resistance of different Architectures

Hettiarachchi, RM [Thesis-Abstract]

The performance of electrical contacts, which are inevitable in the electricity distribution system will affects the power quality, reliability and hence the level of customer satisfaction. Making a successful contact ...
Developing of scalable scada in view of acquiring multi protocol smart grid devices

Rathnayaka, RMJ [Thesis-Abstract]

Distribution Automation (DA) can be identified as a method of improving system efficiency &reliability. It enables distribution utilities to monitor and control their distribution assets from a central location called ...
Mainstreaming renewable energy developments into traditional planning

Chathuranga, JHKK [Thesis-Abstract]

Electricity is one of the key driving forces of the economy of a country and generation of electricity in an optimal way to meet the increasing demand has become a national priority in the recent years. Due to serious ...
Study on reliability improvements of Lakvijaya power station related to the boiler side : a case study

Ranasinghe, RPRR [Thesis-Abstract]

Lakvijaya power station (LVPS) is the first coal power experience in Sri Lanka. Even though the main objective of the power plant is to meet the increasing power demand at low cost, still it is behind the expectations due ...
Development of a cost based optimization technique for tower line design

Rathnayaka, RKAN [Thesis-Abstract]

Overhead high voltage and medium voltage transmission using tower lines is a common practice all over the world. Tower line construction projects integrate high costs while about 25 % of the cost is for tower metallic parts ...
Analysis of non technical losses in distribution networks, mitigation methods and costs

Ramasinghe, NR [Thesis-Abstract]

Ceylon Electricity Board (CEB) is engaged in generation, transmission and distribution of electrical energy in Sri Lanka with support from Lanka Electricity Company Ltd (LECO) for distribution in certain areas and generation ...
Reliability improvements in 33 kv distribution lines in the coastal belt : a case study

Seneviratne, MMFP [Thesis-Abstract]

In Sri Lanka, majority of MV network runs through vegetation, hilly and polluted areas etc. Hence, it has been vulnerable to many faults caused by wayleaves, insulator flash over due to lightning, switching operations and ...
Assesment of factors affecting solar irradiance and development of a model for predictions

Kushal, DHK [Thesis-Abstract]

In Sri Lanka Ceylon Electricity Board plays the role of the system controller by dispatching the energy generated from different power plants to meet the energy demand. Power generation from renewable energy sources such ...
Options for re-burning bottom ASH at "Lakvijaya" coal power station

Wimalasiri, NANM [Thesis-Abstract]

This thesis discusses about the options for re-burning of bottom ash which is currently discarded as a waste from Lakvijaya power station that has got the largest pulverized coal fired boilers in Sri Lanka. This study has ...
An Effective methods of segregation of losses in distribution systems

Gunathilaka, MDPR [Thesis-Abstract]

Power system losses have turned out to be a major challenge for electricity utilities worldwide. Bulk of the losses occurs in electricity distribution. In 2012, the overall energy loss and the distribution system loss in ...

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