Browsing Journal Articles (EN) by Author "Muriithi, Christopher M."
Now showing items 1-20 of 40
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Application and control of flexible alternating current transmission system devices for voltage stability enhancement of renewable-integrated power grid: A comprehensive review
Adetokun, B. B.; Muriithi, Christopher M. (Elsevier, 2021-03)This paper presents a comprehensive review on the application and control of Flexible Alternating Current Transmission Systems (FACTS) devices in order to improve voltage stability of power grid with high share of renewable ... -
Application of large-scale grid-connected solar photovoltaic system for voltage stability improvement of weak national grids
Adetokun, B. B.; Ojo, J. O.; Muriithi, Christopher M. (Springer Nature Ltd, 2021-12)This paper investigates the application of large-scale solar photovoltaic (SPV) system for voltage stability improvement of weak national grids. Large-scale SPV integration has been investigated on the Nigerian power system ... -
Application of Spritz Encryption in Smart Meters to Protect Consumer Data
Kiarie, L. K.; Langat, P. K.; Muriithi, Christopher M. (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 ... -
Assessment of VSC-HVDC system for transient stability improvement of a power system with large wind power injection.
Muriuki, J.K.; Muriithi, Christopher M.; Ngoo, L.; Nyakoe, G.N. (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 ... -
Comparison of aggregation of small and large induction motors for power system stability study
Muriuki, J.K; Muriithi, Christopher M. (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 ... -
Contribution of FACTS Devices to the Transient Stability Improvement of a Power System Integrated with a PMSG-Based Wind Turbine
Akpeke, N. E.; Muriithi, Christopher M.; Mwaniki, C. (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 ... -
Development of a Wavelet-ANFIS based fault location system for underground power cables
Zawaira, H.S.; Nyakoe, G.N.; Muriithi, Christopher M. (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 ... -
Development of DSTATCOM Optimal Sizing and Location Technique Based on IA-GA for Power Loss Reduction and Voltage Profile Enhancement in an RDN
Kallon, M. A.; Nyakoe, G. N.; Muriithi, Christopher M. (IJEER Forex Press, 2022-01)The efficiency of electrical distribution systems is being more affected by the increase in voltage drops and power losses. These issues of voltage drop and power loss can be significantly minimized by the incorporation ... -
Dynamic voltage stability analysis of the kenya power system using decision trees
Njoroge, S.N; Muriithi, Christopher M.; Ngoo, L.M (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 ... -
Dynamic voltage stability analysis of the kenya power system using vcpi stability index and artificial neural networks
Njoroge, S.N.; Muriithi, Christopher M.; Ngoo, L.M. (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 ... -
Dynamic Voltage Stability Analysis on Shore-to-Ship Power Connected System
Nyabuto, W.; Muriithi, Christopher M.; Kihato, P. (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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
A neuro fuzzy model of an induction motor for voltage stability analysis using continuation load flow
Ngoo, L.M.; Muriithi, Christopher M.; Nyakoe, G.N; Njoroge, S.N (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 ...