• Incorporation of off - shore wind power as the next step of non - conventional renewable energy in Sri Lanka 

  Prabhath NHM [Thesis-Abstract]

  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 ...
• Performance evaluation of a generalized multilevel inverter with different operating modes 

  Sampath VKR [Thesis-Abstract]

  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 ...
• Financial implications of solar penetration for electricity generation in Sri Lanka 

  Kodikara JJ [Thesis-Abstract]

  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 ...
• An Optimal power flow algorithm to reduce power loss by placement of DG in distribution system 

  Lakmali RMT [Thesis-Abstract]

  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 ...
• A Generalized procedure to develop transfer function based models of electrical power systems 

  De Silva SLD [Thesis-Abstract]

  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 ...
• Stability analysis of an islanded microgrid with ring and radial distribution 

  Herath HDBP [Thesis-Abstract]

  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 ...
• A Measurement - based procedure for dynamic data identification of synchronous generators 

  Priyadarshana KWK [Thesis-Abstract]

  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 ...
• Modelling of magnetic hysteresis of a three phase transformer under dynamic conditions 

  Gunasinghe MPDN [Thesis-Abstract]

  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 ...
• Cost implications of rooftop solar PV with batteries on industrial and commercial customers in Sri Lanka 

  Herath SV [Thesis-Abstract]

  Electricity is one of the key factors for the business of industrial and commercial customers in a particular location. Therefore, the Government and local authorities have introduced special tariff schemes to provide ...
• Estimation of actual earth resistance of a complex earthing network using soil layer modelling in the finite element domain 

  Liyanage WLDC [Thesis-Abstract]

  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 ...
• Mitigating distribution feeder voltage rise optimally using an on-load tap changing transformer and smart inverters 

  Manamperi DI [Thesis-Abstract]

  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 ...
• Analysis of options to limit occurrence and duration of under frequency load shedding in small, renewable dominant power systems: 

  Hemachandra MGND [Thesis-Abstract]

  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 ...
• Design of battery supplemented micro - STATCOM and development of associated control algorithms to mitigate power quality issues in low voltage networks 

  Hennayaka HMSK [Thesis-Abstract]

  Power Distribution Networks are evolving with the rapid penetration of distributed generators and introduction of concepts such as micro grid based Smart Girds. Distribution automation devices and solar PV generators in ...
• Design and implementation of an electronic fan regulator for reduced harmonics and ripple free speed 

  Kiriella KKCS [Thesis-Abstract]

  A ceiling fan regulator is needed to control the speed of a ceiling fan. With the development of power electronic switching devices, electronic (triac based) fan regulator has been introduced to the market by ceiling fan ...
• Techniques to minimize transfer potential near the substation boundaries 

  Bhasura PLS [Thesis-Abstract]

  In Sri Lanka, the demand for electricity is growing at a rate of 5-6% each year. Transmission Infrastructure development is an essential task to cater this growing demand. Construction of grid substations and transmission ...
• Cost effective reliability improvements in 332kV/11kV electricity distribution networks - a case study in western province south 1, Ceylon Electricity Board, Sri Lanka. 

  Chameera W R V G D R [Thesis-Abstract]

  Electricity Distribution system in Sri Lanka consists of 33kV, 11kV and Low Voltage (400V/230V) networks. Providing reliable supply to the end user is a challenging task to any utility. Therefore, utility is trying to ...
• Demand response control strategy for decentralized air- conditioning systems in micro grids 

  Boralessa MAKS [Thesis-Abstract]

  Distributed energy systems are essential to integrate renewable energy sources to the modern electric grid. Microgrids are a distributed energy system that enables the integration of the intermittent renewable energy ...
• Neural network based inflow forecasting for optimum pond operation of a run-of-river type hydro plant 

  Wimalaratne MHD [Thesis-Abstract]

  The current practise of pond operation of Upper Kotmale Hydropower Station is studied, where management of the pond is by subjective judgements of the operator. Accurate and reliable inflow forecast makes up an important ...
• Nine switch inverter to recover voltage disturbances of sensitive loads while feeding solar energy to the grid 

  Rathnayaka MVCP [Thesis-Abstract]

  Electricity consumers have to mitigate voltage disturbance to ensure proper functionality of their sensitive electrical loads. Dynamic Voltage Restorer (DVR) has recognized as an effective and comprehensive power electronic ...
• Techno-economic comparison between generation capacity reserves and utility scale battery storage to facilitate variable renewable energy integration in Sri Lanka 

  Kaushalya KHA [Thesis-Abstract]

  At present, the Sri Lankan power system has a total installed capacity of approximately 4,087 MW by end of year 2017 with a total dispatchable capacity of 3,525 MW. The maximum demand recorded in 2017 was 2,523 MW. Sri ...

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