Journal Articles (EN): Recent submissions
Now showing items 21-40 of 59
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Online Campaign in Kenya: Implementing the Facebook Campaign in the 2013 General Elections
(2015-07)The study investigated the implementation of the Facebook campaign in general elections in Kenya. The study utilized the mixed methods sequential explanatory design. Quantitative data was drawn, followed by qualitative ... -
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 ... -
Voltage stability assessment and enhancement of power grid with increasing wind energy penetration
(Elsevier, 2020-03)This paper presents the voltage stability assessment of power system with increasing wind energy penetration. The effects of increasing Doubly-Fed Induction Generator-based Wind Energy Conversion System (DFIG-WECS) penetration ... -
Review of HVDC Circuit Breakers Topologies
(2017-05)Voltage Source Converter-High Voltage Direct Current (VSC-HVDC) is the most efficient and reliable method for electrical power transmission over long distances. The greatest challenge with VSC-HVDC system is that short-circuit ... -
Application of Spritz Encryption in Smart Meters to Protect Consumer Data
(2019)The ongoing upgrade of the electrical power system into a more powerful system known as Smart Grid has both benefits and costs. Smart Grid relies on advanced communication and hence offers better services through improved ... -
The use of RC4 Encryption to Provide Privacy for Smart Meters
(2018)The electrical power grid is undergoing improvements and is being transformed to the Smart Grid. Smart Grid uses two-way power and information flow to better monitor, plan and control the electrical power grid. Advanced ... -
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 ... -
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 ... -
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 ... -
Contribution of FACTS Devices to the Transient Stability Improvement of a Power System Integrated with a PMSG-Based Wind Turbine
(2019)The increasing penetration of wind energy to the conventional power system due to the rapid growth of energy demand has led to the consideration of different wind turbine generator technologies. In fault conditions, the ... -
Optimal Battery Sizing of a Grid-connected Residential Photovoltaic System for Cost Minimization using PSO Algorithm
(2019)This paper proposes a new optimization technique that uses Particle Swarm Optimization (PSO) in residential grid connected photovoltaic systems. The optimization technique targets the sizing of the battery storage system. ... -
Strengthening The Transient Stability Of A Power Grid Coupled With Wind Turbine Using Thyristor Controlled Series Capacitor
(2019-10)The increase diffusion and circulation of wind energy to the conventional power system due to rapid growth of energy demand has led to consideration of different wind turbine generator technologies. It has been discovered ... -
Optimal Switching Sequence using a Metaheuristic Algorithm for Feeder Reconfiguration
(International Research Publication House, 2018)Electrical energy is continuously lost due to resistance in the power system networks. Distribution system experience enormous power losses as compared to the rest of the network. Solutions that reduce distribution power ... -
Dynamic Voltage Stability Analysis on Shore-to-Ship Power Connected System
(International Research Publication House, 2018)The shore to ship power connection is a technology that has been recommended as one of the ways that will help reduce emissions from marine vessels which have increased in number as a result of rapid growth in international ... -
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 ... -
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 ... -
Voltage profile improvement using switched capacitors: case of single wire earth return distribution network
(2017)Most rural areas in Africa are characterized by scattered villages with a very low demand in electricity. Due to improper planning and lack of knowledge on low cost technologies, the cost of extending the grid to supply ... -
Development of a Wavelet-ANFIS based fault location system for underground power cables
(2017)In the past decade, electricity demand has increased rapidly in metropolitan areas. All over the world, large scale underground power cable installations networks are replacing overhead transmission lines due to environmental ... -
Assessment of VSC-HVDC system for transient stability improvement of a power system with large wind power injection.
(2016)This paper analyzes Power System Transient Stability Improvement through a Voltage Source Converter High Voltage Direct Current (VSC-HVDC) system with Large Wind power injection. The modern large wind farms and other ... -
Wider range of tuning the proposed VSC-HVDC system for improved controller performance
(2016)Tuning of the Voltage Source Converters, High Voltage Direct Current (VSC-HVDC) controllers is a critical undertaking continuously carried out in power system operation to ensure system stability is kept under control ...
