Browsing School of Engineering and Technology (JA) by Issue Date
Now showing items 1-20 of 59
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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 ... -
Suitability of aggregation methods of induction motor models for voltage stability analysis
(2012)This paper focusses on the aggregation of multiple induction motors (IM) connected in parallel on the same bus into a single equivalent model using aggregation based on transformer equivalent circuit (method 1) and on ... -
Comparison of aggregation of small and large induction motors for power system stability study
(2013)Aggregation of different sizes of induction motors (IM) connected to a power system has diverse Precision on the identification of the aggregate model parameters. Earlier work on the aggregation accuracy of various motors ... -
Dynamic voltage stability analysis of the kenya power system using vcpi stability index and artificial neural networks
(2014)Dynamic voltage stability deals with the voltage levels and how they’re affected by either faults or load changes within the system. Voltage instability has long been suspected in the voltage collapse and islanding of power ... -
Bandwidth Allocation Algorithm With User Mobility Dynamics In FEMTOCELL Network
(Acta Press, 2014)Fourth generation cellular networks provide ubiquitous broadband access to a growing number of mobile users worldwide. In this context, resource allocation in orthogonal frequency division multiple access femtocell network ... -
Transient stability analysis of the kenyan power system with different wind generation technologies.
(2014)Electrical power generation from wind is achieved using a number of generator technologies. The main technologies are the Squirrel Cage Induction Generators (SCIG) and Doubly Fed Induction Generators (DFIGs). In this paper, ... -
Dynamic voltage stability analysis of the kenya power system using decision trees
(2014)Dynamic Voltage stability analysis of any system is studied by considering load changes within the system and how voltage magnitudes at the load buses within the system are affected by the load changes. The analysis can ... -
Optimal under frequency load shedding using CUCKOO search wirh levy flight algorith for frequency stability improvement.
(2015)Frequency stability in a power system is very important as it determines the synchronous speed of electrical machines. Therefore it should remain within acceptable limits even when the system is disturbed. In order to ... -
Placement of fact devices fo voltage profile improvement and loss reduction
(2015)Abstract— Flexible Alternating Current Transmission System (FACTS) devices are solid state converters that have the capability of controlling various electrical parameters such as reactance, power angle and ... -
Power system transient stability enhancement with application of SSSC and IPFC facts devices
(2015)The complexity due to massive growth of power systems has to increased demand of electrical energy giving rise to numerous stability challenges. In these situations, Flexible Alternating Current Transmission System (FACTS) ... -
Optimal under-voltage load shedding using cuckoo search with levy flight algorithm for voltage stability improvement
(2015)Voltage stability has become a serious threat of modern power system operation nowadays. To tackle this problem properly, load shedding is a countermeasure taken as a last resort. However, its consequences might result in ... -
Optimal location of TCSC and its use in congestion management
(2015)Over the last two decades, electricity demand has increased substantially while the expansion of generation and transmission network has been limited due to environmental and/or economic constraints of building new ... -
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 ... -
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 ... -
Adaptive Neuro - fuzzy Inference system based control of three - phase hybrid power filter for harmonic mitigation
(nternational Journal of Emerging Technology and Advanced Engineering, 2015-11-25)This paper presents a three-phase hybrid powerfilter based on artificial intelligence control approach. It consists of C- type passive filter in parallel with a shunt active filter that is controlled by an adaptive Neuro-Fuzzy ... -
Optimal siting and sizing of single SPV system in radial distribution network for loss reduction based on maximum power saving technique
(2016)This paper presents the optimal placement of aSPV (Solar Photovoltaic) system in thedistribution system using the backward and forward sweep method based on the analytical maximum power saving technique for the maximum ... -
ROLE OF ROAD GEOMETRY ON ROOAD ACCIDENTS IN UASIN GISHU AND BUNGOMA COUNTIES IN 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 ... -
Power output maximization of a PMSG based standalone wind energy conversion system using fuzzy logic
(2016)This paper proposes a Fuzzy Logic Controller for Maximum Power Point Tracking of a case study wind energy conversion system (WECS).The system consists of a standalone fixed pitch, variable speed wind turbine directly coupled ... -
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 ...