Browsing by Author "Abdulkarim, A"

Now showing 1 - 6 of 6
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    Electrical Network Reliability and Failure Projection with increase in installations: Case Study, University of Ilorin, Nigeria.
    (Faculty of Engineering, University of Ilorin., 2011-07-06) Abdulkarim, A; Amuda, S.A.Y; Usman, A. M
    Reliability is a key aspect of power system design and planning. In this research we present a reliability assessment of University of Ilorin electricity network. The focus of this paper is to analyse the contributory effect of electrical installations, majorly domestic and some industrial loads on the reliability of electrical network. This work use data of electrical failure cases from the University of Ilorin community, and categorized the failure reports based on their failure type. It also, gives an insight on how to project the system reliability effect for any consequent electrical faults or unplanned installation. The study here evaluated the reliability over a time period of about two years. The reliability indices for load points and the overall system were obtained using exponential distributed model.
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    ENERGY CONSUMPTION IN PERPETUAL WIRELESS SENSOR NETWORKS
    (Zaria Journal of Electrical Engineering, 2020) Abdulkarim, A; Oloyede, AA; Olawoyin, L.A.; Faruq, N; Otuoze, Abdulrahaman
    This paper investigates the amount of energy consumed in different configuration for perpetual wireless sensor networks. Wireless Sensor Networks (WSNs) represent an area of networking that become pivotal in many applications. The use of WSNs for the monitoring of environments, habitats as well as systems within industry and healthcare has made WSNs a crucial area of research within recent years. The principles behind WSNs involve the deployment of remote sensing and relay nodes, able to collect and transmit raw data for processing. Applications such as remote environmental monitoring present new challenges such as the prospect of developing networks that can operate perpetually to collect data for as long as possible. Simulation and theoretical analysis were done using the networking simulator DENSE. DENSE is presented to provide insight into what protocols and energy saving techniques can be employed to establish the possible feasibility of constructing PWSN. The results show that mesh is the most realistic due to its energy distribution and optimization over a large area for a great number of nodes; however, a small single hop based network can provide good result for energy consumption and packet success rates.
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    Fire and explosive risk assessment for combustible powder pneumatic conveyor system
    (Annals of the Faculty of Engineering Hunedoara, 2020-02-01) Otuoze, Abdulrahaman; Ibrahim, Oladimeji; Akorede, MF; Abdulkarim, A; Abdulateef, A.I.; Ogunbiyi, Olalekan
    Failure to properly define operating hazards associated with pneumatic conveying system for combustible powder transportation has led to several incidences of fires and explosions. These hazards are mostly preventable if adequate safety measures are provided for the pneumatic conveying systems for dust and combustible materials during the system design, installation and operating stages. This paper presents assessment on risk of fire and explosive hazards associated with pneumatic conveying system for a combustible powder transportation and prescribe the best practice to prevent possible accident that might result from improper practice. The safety practice and relevant regulations for zoning of the operating area and guide for proper selection of suitable class of measuring instrumentation for safe system operation are enumerated.
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    Introduction to Electrical and Electronics Engineering Discipline. In Introduction to Engineering Discipline
    (Faculty of Engineering and Technology, University of Ilorin, Ilorin, Nigeria, 2019) Surajudeen-Bakinde, N. T; Abdulkarim, A; Akanni, J; Otuoze, A. O; Olayanju, S. A; Zakariyya, O. S
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    Parametric Model Based Approach for Consumer Load Prediction.
    (2019) Abdullateef, A. I; Akorede, M.F; Abdulkarim, A; Salami, M.J.E
    Various load prediction techniques have been proposed to predict consumer load which represents the activities of the consumer on the distribution network. Usually, these techniques use cumulative energy consumption data of the consumers connected to the power network to predict consumer load. However, these data fail to reveal and monitor the activities of individual consumer represented by the consumer load consumption pattern. A new approach of predicting individual consumer load based on autoregressive moving average model (ARMA) is proposed in this study. Sub- optimal technique of parameter estimation based on Prony method was used to determine the model order of the ARMA models ARMA (10, 8), ARMA (8, 6) and ARMA (6, 4). ARMA (6, 4) was found to be appropriate for consumer load prediction with an average mean square error of 0.00006986 and 0.0000685 for weekday and weekend loads respectively. The energy consumption data acquired from consumer load prototype for one week, with 288 data points per day used in our previous work, was used and 5-minute step ahead load prediction is achieved. Furthermore, a comparison between autoregressive AR (20) and ARMA (6, 4) was carried out and ARMA (6, 4) was found to be appropriate for consumer load prediction. This facilitates the monitoring of individual consumer activities connected on the power network
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    State of the Art in Research on Optimum Design, Reliability and Control of Renewable Energy Microgrids
    (ELEKTRIKA-Journal of Electrical Engineering, 2018) Abdulkarim, A; Faruk, N; Oloyede, A.O; Olawoyin, L.A; Popoola, S.I; Abdullateef, A.I; Ibrahim, O; Surajudden-Bakinde, N.T; Abdelkader, S.M; Morrow, J.D; Adeniran, Y.A; Jibril, Y
    This paper has presented a comprehensive review in the area of microgrid from the design to implementation. The aim is to evaluate the current status, problems and research efforts toward realising functional microgrids in the power system. The expectations about microgrid are many; therefore the study is divided into three main sections. Recent advancements in the wind energy, solar energy and their future prediction are summarised. States of arts in optimum design of renewable energy microgrid are also investigated. In addition, critical literature review in the reliability analysis of microgrids consisting of renewable energy sources is also reported. Control of microgrids consisting renewable energy sources have been presented. Some examples of existing microgrids across the globe are critically reviewed. The work therefore recommends that energy planners and all stakeholders should consider environmental and regional difference in microgrids planning. Finally, future research areas and directions in these areas are highlighted.