Browsing School of Engineering and Technology (CP) by Author "Muriithi, Christopher M."
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Analysis of a fuzzy logic power system stabilizer for stability enhancement
Muriithi, Christopher M.; Kibet, A.; Kraus, D.; Ngoo, L. M.; Nyakoe, G.N. (2010)Modern power systems consist of several generators working synchronously to meet the Power demand. For reliability of these systems, stability must be ensured in case of faults within the system. Faults within a system ... -
An Assessment of Optimal Allocation of FACTS Devices in Power Systems Using Metaheuristics
Kallon, M. A.; Nyakoe, G. N.; Muriithi, Christopher M. (2021-11)The increasing power demand, the optimal use of grids, the need for economic efficiency, and the high costs associated with building new grids have created unavoidable challenges such as power line overload and excessive ... -
Comparative analysis of SCIG and DFIG based wind generation on transient stability of the Kenyan power system
Orenge, R. S.; Muriithi, Christopher M.; Nyakoe., G.N.; Muisyo, I. N. (2014)Generation of Electrical power from wind is achieved using the two mainly available generator technologies. These technologies are the squirrel cage induction generators (SCIG) and doubly fed induction generators (DFIGs). ... -
Comparison of aggregation methods of induction motor models for transient stability load modeling
Kinyua *, J. M.; Muriithi, Christopher M.; Murage, D. K.; Obiri, L. (2010)This paper focusses on the comparison of the aggregation methods of multiple induction motors (IM) connected in parallel on the same bus into a single equivalent model using the no-load and locked-rotor and transformer ... -
Continuation load flow with a neuro fuzzy model of an induction motor for voltage stability analysis
Muriithi, Christopher M.; Ngoo, L.M.; Nyakoe, G.N.; Njoroge, S. N. (2010)This paper uses the concept of the continuation power flow analysis used in voltage stability Analysis for control the power in large systems. It uses the PV curves to find the knee point of a certain bus. A neuro fuzzy ... -
The dependency of bus voltage and frequency in load shedding
Mwaniki, C.; Muriithi, Christopher M.; Abungu, N.O. (2013)Load shedding schemes proposed in literature so far use voltage and frequency parameters separately. The individual consideration of these indices may not be reliable or effective, and may even lead to the over load shedding ... -
Design optimization of a renewable hybrid energy system
Obasi, J. O.; Ngoo, L. M.; Muriithi, Christopher M. (2013)This paper proposes the optimal design of a renewable hybrid energy system consisting of solar, wind energy with battery storage suitable for application in remote areas. The study investigates the possibility of reducing ... -
DSTATCOM Application for Distribution Network Power Quality Enhancement: A Review
Kallon, M. A.; Nyakoe, G. N.; Muriithi, Christopher M. (IEEE, 2021-09)The performance of electrical systems is becoming more affected by the increased voltage drop, power loss, and power quality problems. These issues can be drastically minimized by the incorporation of compensators in the ... -
Efficient Control strategy based on instantaneous power theory and model predictive control for grid connected photovoltaic system
Soumana, R. A.; Saulo, M. J.; Muriithi, Christopher M. (2021-11)Due to the rapid decline of fossil resources and the impact of their use for electric power generation on the environment, renewable energy sources are increasingly explored and integrated into the power grid. Among the ... -
Energy Management System for Solar And Grid System
Masika, J. W.; Muriithi, Christopher M.; Apiyo, E. O.; Mbura, C. M.; Mwanza, S. K. (2021-11)Electricity is an important resource both in domestic and industrial environment. The rise in electricity demand has led to conventional resources being exhausted and possibly lead to rise in electricity prices. since ... -
Engineering research and innovation as fundamental requirements for industrialization
Muriithi, Christopher M. (2010) -
Enhanced Speed Control of Separately Excited DC Motor Using Fuzzy-Neural Networks Controller
Soumana, R. A.; Saulo, M. J.; Muriithi, Christopher M. (IEEE, 2022-02)The dynamic behavior of a PID-type fuzzy logic control depends on the appropriate choice of its scaling factors. Fixed scaling factors cannot provide adequate control performance under a wide range of operating conditions. ... -
The Impact of Prior Exposure to Engineering Through the MUT Pre-College Course - A Case Study of Kangema Sub-County Secondary Schools
Mwangi, P. N.; Mutinda, F. N.; Githinji, E.; Njuguna, V.; Barasa, A.; Cheruiyot, S.; Kipkogei, G.; Mwaniki, C.; Karuru, W.; Okaya, M.; Muriithi, Christopher M. (2021-11)In Kenya, secondary schools have a great role in preparing learners for career progression. In order to realize industrial growth, it is important to prepare more students for careers in STEM. There is relatively little ... -
Investigating the impact of power system stabilizers in a multi machine system with an induction motor load
Muriithi, Christopher M.; Ngoo, L.M.; Nyakoe, G.N. (2010)The high reactive power demand by the induction motor load during fault condition due to reduced bus voltages may cause a generator to behave like a voltage source behind the synchronous reactance and its terminal voltage ... -
Investigation of static voltage stability using a modified load flow algorithm and counter propagative artificial neural networks
Muriithi, Christopher M.; Ngoo, L.M.; Nyakoe, G.N.; Kaberere, K.K. (2010)In conventional load flow studies, the active and reactive powers of all load buses are generally specified. Thus, by assuming a constant power load characteristic, the impact of the load in the system is over-emphasized ... -
Key Generation for Electrical Smart Meters using Hash Functions
Kiarie, L. K.; Langat, P. K.; Muriithi, Christopher M. (2019)The electrical power grid has been undergoing improvements to turn it into a more efficient system known as the Smart Grid. A key element in this upgrade is the Smart Meter. A compromise on the cyber-security of the smart ... -
Load flow analysis with a neuro-fuzzy model of an induction motor load
Muriithi, Christopher M.; Ngoo, L.M; Nyakoe, G.N (2009)In the conventional load flow study, the active and reactive powers of all load buses are generally specified. Although the constant power model is applicable for approximate studies, it may not suitable for the motors ... -
Load flow solution using neuro-fuzzy techniques
Muriithi, Christopher M.; Olan’go, S.A (2015-06)Load-flow (LF) study is the steady state solution of the power system network under existing or contemplated conditions for normal operation. In this paper, a neuro-fuzzy system is proposed to solve power flow problem under ... -
Modelling of the industrial load of Bamburi cement company for power system studies
Mukonyoro, D. M.; Muriithi, Christopher M. (2010)In the recent past, much attention has been given to models for generation and transmission equipment. The representation of the loads has received comparatively less attention and continues to be an area of greater ... -
Motor Speed Control Kits Using a Microcontroller.
Mwanza, S. K.; Nganga, B. K.; Muriithi, Christopher M.; Wanjeru, P. M. (2021-11)The aim of this project is to make a motor laboratory kits for AC motors. It aims on making affordable kits which are made from locally available materials and applying the obtained knowledge from the four-year curriculum ...