Browsing by Author "Muriithi, Christopher M."
Now showing items 21-40 of 85
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Energy Flow Strategy For A Small Scale Grid Tied Photovoltaic System Under Net Metering
Nibaruta, R.; Muriithi, Christopher M.; Ngoo, L (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 ... -
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. ... -
Evaluation of Thermal Interface Materials in Mediating PV Cell Temperature Mismatch in PV-TEG Power Generation
Kidegho, G.; Njoka, F.; Muriithi, Christopher M.; Kinyua, R. (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 ... -
GENCO Optimal Bidding Strategy and Profit Based Unit Commitment using Evolutionary Particle Swarm Optimization Illustrating the Effect of GENCO Market Power
Bikeri, A. K.; Muriithi, Christopher M.; Kihato, P. K. (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
Adetokun, B. B.; Muriithi, Christopher M. (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 ... -
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 ... -
Innovative Solar Photovoltaic and Thermoelectric Power Generator for a Recirculating Aquaculture System
Kidegho, G.; Kinyua, R.; Muriithi, Christopher M.; Njoka, F. (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 ... -
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 ... -
Modeling and Energy Management Strategy in a Grid Connected Solar PV System
Apiyo, E.; Muriithi, Christopher M.; Ngoo, L. (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
Karue, C.N; Murage, D.K; Muriithi, Christopher M. (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 ... -
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 ... -
MPPT of a standalone wind energy conversion system using magnetostrictive amorphous wire speed sensor and fuzzy logic
Ndirangu, J. G.; Nderu, J. N.; Muriithi, Christopher M.; Muhia, A. M. (2014)This paper details the design and implementation of a Fuzzy Logic based controller for Maximum Power Point Tracking (MPPT) of a case study standalone wind energy conversion system(WECS). A magnetostrictive amorphous wire ... -
Multiobjective optimal power flow for static voltage stability margin improvement
Kyomugisha, R.; Muriithi, Christopher M.; Edimu, M. (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 ...