Browsing Journal Articles (EN) by Title
Now showing items 15-34 of 60
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Effect of the Graphite Dispersed Titanium Dioxide Solid Solar Cell Composition on the Generated Potential (VOC)
(2020-09)Energy is globally recognized as one of the most fundamental inputs for social and economic development. Most energy sources are serious environmental pollutants. To overcome this challenge, presence of abundant sunshine ... -
Effect of Varying Titanium Dioxide and Iodine on Open Circuit Voltage and Short Current Density
(2018)The study sought to establish a photo cell which can reduce use of fossil fuels and in turn reduce on air pollution and climate change. The experimental design involved preparation of various ratios of titanium dioxide: ... -
Embedded Power System Monitoring Of Illegal Power Connections In Kenyan Domestic Supply
(2020 IEEE PES/IAS Power Africa, 2020)Globally Technical Losses (TLs) and Non- Technical Losses (NTLs) are a significant challenge for power distribution systems. Mostly NTLs is caused by illegal power connection which can be as much as half of all the ... -
Energy Flow Strategy For A Small Scale Grid Tied Photovoltaic System Under Net Metering
(2019-10)Grid connected PV systems continue to attract investors and electricity customers all over the world. Due to interconnection with the utility grid, the system can glean some benefits such as selling PV electricity surplus ... -
Evaluation of Thermal Interface Materials in Mediating PV Cell Temperature Mismatch in PV-TEG Power Generation
(2021-03)Among the emerging renewable energy technologies, solar photovoltaic (PV) power generation is growing steadily in the mainstream energy supply mix contributing about 2.58% of the global total power generation by 2018 from ... -
Factors for Efficient Relationship between Contractors and Subcontractors in Project Implementation in Nairobi Kenya
(The IJES, 2017)Construction is a complex and challenging activity owing to the technical advances, tighter regulations and need for effective management of resources for competitive edge. The projects under the industry involve many ... -
GENCO Optimal Bidding Strategy and Profit Based Unit Commitment using Evolutionary Particle Swarm Optimization Illustrating the Effect of GENCO Market Power
(Institute of Advanced Engineering and Science, 2018)In deregulated electricity markets, generation companies (GENCOs) make unit commitment (UC) decisions based on a profit maximization objective in what is termed profit based unit commitment (PBUC). PBUC is done for the ... -
Impact of integrating large-scale DFIG-based wind energy conversion system on the voltage stability of weak national grids: A case study of the Nigerian power grid
(Elsevier, 2021-11)This paper investigates the impact of integrating large-scale Doubly-Fed Induction Generator (DFIG)-based wind energy conversion system (WECS) on the voltage stability of the 52-bus, 330 kV Nigerian power grid. Indices ... -
Influence of Communication Patterns on Employee Performance in Selected Large Manufacturing Businesses in Eritrea
(2019-05)Manufacturing businesses face challenges in terms of increasing productivity in which their products are competitive in the market. Particularly, the manufacturing businesses in Eritrea face challenges in terms of producing ... -
Influence of Framing of the Hashtag on Public Opinion Formation on Socio-Political Issues in Kenya
(2017-12)Purpose: The purpose of the study was to establish the influence of framing of the hashtag on public opinion formation on socio-political issues in Kenya. Methodology: The study adopted the descriptive qualitative research ... -
Innovative Solar Photovoltaic and Thermoelectric Power Generator for a Recirculating Aquaculture System
(2020-09)Solar Photovoltaic power generation is fast gaining popularity in Kenya. However, the effects of high cell temperatures continue to be a major hindrance to their efficiency especially for standalone systems. Water can be ... -
INVESTIGATION OF PHYSICAL LAWS OF MOTION AND HUMAN FACTORS ON ROAD ACCIDENTS IN UASIN-GISHU AND BUNGOMA COUNTIES - KENYA
(2016)Road accidents in the Transport Industry are a threat to public health and national development in many developing countries. It contributes to poverty by deaths, injuries, disabilities, grief, lost of productivity and ... -
Investigation on Optimal Cutting Parameters in Turning AISI 8660 Steel Using Silicon (Sic) Whisker Reinforced Ceramic Tool
(IOSR Journals, 2017-08)This research was to investigate the effects of process parameter that is cutting speed, feed rate, depth of cut and machining time on the response variables in turning AISI 8660 material using whisker reinforced ceramic ... -
Measurements and Analysis of Large-Scale Path Loss Model at 14 and 22 GHz in Indoor Corridor
(IEEE, 2018-04)Fifth generation wireless communications will exploit the enormous chunk of bandwidth available at millimeter-wave frequency bands. Accordingly, an accurate and simple path loss model is critical for indoor environments, ... -
Modeling and Energy Management Strategy in a Grid Connected Solar PV System
(Scientific & Academic Publishing, 2021-09)Electric power is substantially an important resource in the modern world. With the increase in demand for electric energy, there is a need to search for alternative energy sources because conventional resources are being ... -
Modelling and loading limits for kenya coast power network using continuation power flow
(2016)Shore to ship power connection for docked ship has recently been applied as one way of limiting pollution in ports. This paper studies the effect that a shore to ship connection at the port of Mombasa would have on the ... -
Multiobjective optimal power flow for static voltage stability margin improvement
(Elsevier, 2021-12)Worldwide, utilities are aiming to increase the stability of modern power systems during system disturbances. Optimizing generation scheduling can improve system security in contingency and stressed conditions while lowering ... -
A neuro fuzzy model of an induction motor for voltage stability analysis using continuation load flow
(2011)This paper uses the concept of the continuation power flow analysis used in voltage stability analysis.It uses the continuation load flow to plot the PV (pressure-volume) curves of an induction motor load. A neuro-fuzzy ... -
Neuro-Fuzzy Control Technique in Hybrid Power Filter for Power Quality Improvement in a Three-Phase Three-Wire Power System
(2015-11-18)Hybrid power filters have proven to play a vital role in harmonic elimination as well as reactive power compensation in power systems concentrated with highly nonlinear loads which has in the last decade increased due ... -
Novel Modeling of a Fast DC Breaker for a VSC-HVDC Transmission System Protection
(2017-11)The inability to quickly isolate the faulty sections of the direct current (DC) network damages the converters and the transmission system. Further delay in fault interruption can be escalated to the generation system thus ...