Browsing 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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ...