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Search Results: 1 - 10 of 932 matches for " Nader Barsoum "
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Fabrication of Dual-Axis Solar Tracking Controller Project  [PDF]
Nader Barsoum
Intelligent Control and Automation (ICA) , 2011, DOI: 10.4236/ica.2011.22007
Abstract: The recent decades have seen the increase in demand for reliable and clean form of electricity derived from renewable energy sources. One such example is solar power. The challenge remains to maximize the capture of the rays from the sun for conversion into electricity. This paper presents fabrication and installation of a solar panel mount with a dual-axis solar tracking controller. This is done so that rays from the sun fall perpendicularly unto the solar panels to maximize the capture of the rays by pointing the solar panels towards the sun and following its path across the sky. Thus electricity and efficiency increased.
Simulation of Power Flow and Protection of a Limited Bus Grid System with Injected Solar Power  [PDF]
Nader Barsoum, Chai Zen Lee
Energy and Power Engineering (EPE) , 2013, DOI: 10.4236/epe.2013.51008

In recent years, injection of renewable energy such as solar power into the power grid is increasing. However, inclusion of large-scale intermittent-type renewable energy requires better management in proper understanding of grid’s variable characteristics and its protection systems. In this paper, the investigation on overvoltage issue is illustrated. Overvoltage in distribution feeder occurs when large amount of solar power is injected at low power demand. Another investigation is on false operation of overcurrent relays due to reverse power to the 33 kV loads. The potential solutions to the two issues are illustrated in the small-sized power grid system using bi-directional inverters on AC buses in charging battery banks and adjusting the relay current settings. The benefits of solar power injection are illustrated whereby output power from generators is decreased and transmission losses are reduced. Electrical Transient Analysis Program (ETAP) was used for investigations.

Cost Optimization of Hybrid Solar, Micro-Hydro and Hydrogen Fuel Cell Using Homer Software  [PDF]
Nader Barsoum, Pearl Dianne Petrus
Energy and Power Engineering (EPE) , 2015, DOI: 10.4236/epe.2015.78031
Abstract: The main purpose of this paper is to present the analysis of cost optimization of Hybrid Renewable Energy System in remote area where grid connection is impossible. The analysis of hybrid system is modeled using HOMER software. Homer software is utilized as an assessment with modeling tools that simplifies the task of evaluating designs option for both off-grid and on-grid-connected system that allows load data and parameters to be inputted. In this paper, HOMER is used to find the most cost effective configuration among set of different simulated system to achieve the objective of least possible Levelized Cost of Energy (LCOE) for a given system under a propose load of 75 kW.
Steady State Simulation of 33 kV Power Grid  [PDF]
Kiu Han Teck, Nader Barsoum
Journal of Power and Energy Engineering (JPEE) , 2018, DOI: 10.4236/jpee.2018.66007
Abstract: An example is presented in this paper relating to power problems in Sandakan power network. Sandakan is a suburb in east coast of Sabah state of Malaysia. The problems were reported with power flow and N-1 contingency in terms of blackout after main grid supply outages with overload and high fault current on distribution system. This paper focuses on analysis of steady state stability of 33 kV power grid using load flow, contingency analysis and voltage stability (P-V Curve). The analysis is done by using industrial grade power software called Power System Simulation for Engineers (PSS/E). The power flow result showed that there are three generators generating out of limits. Contingency results showed that three transformer branches and three distribution branches are affected. There are nine weakest buses that violate contingency voltage deviation criterion and cannot withstand more load power when N-1-1 case in the branch of bus 8 to bus 28 is under outage.
Ethernet Control AC Motor via PLC Using LabVIEW  [PDF]
Nader N. Barsoum, Pin Rui Chin
Intelligent Control and Automation (ICA) , 2011, DOI: 10.4236/ica.2011.24038
Abstract: Remotely control applications over a wide area had been commonly used in the industries today. One of the common applications requires remote control and monitoring is inverter fed induction drive system. Drive system has various types of controller, in order to perform some actions such as control the speed, forward and reverse turning direction of the motor. This approach can be done by Programmable Logic Controller (PLC), and with the rise of the technology, Ethernet module will be used in order to achieve the remote control system. Plus the PLC today can be controlled not only using its original software, but 3rd party software as well, such as LabVIEW. LabVIEW is a human machine interfaces design software that is user friendly. It can be easily communicate with different hardware.
DC Motor Speed Control Using SMS Application  [PDF]
Nader Barsoum, Izam Faizan Bin Moidi
Intelligent Control and Automation (ICA) , 2014, DOI: 10.4236/ica.2014.54022
Abstract: Motors are normally used for industrial control, automation and home electrical appliance. It spans everything from residential washing machines, fans, hand-held power tools, automotive window lift, traction control system, industrial drives and many more. Motor application is not completed without a control system. The inventions of microprocessor and microcontroller make the control system become easier. This control system is basically controlling the switch, speed, and direction of motor. Control signal is generated by a switch that is connected directly to the control circuit. In order to control and monitor the motor, user need to be at the place where the switch is located. In this system, mobile phone is used as a control switch. By sending text message using short message service (SMS) which is a part of the Global System for Mobile Communications (GSM), control signal is sent wirelessly to the control circuit. By implementing GSM module on the control circuit of motor, it can enable the user to send text message that contain command from any mobile phone to that GSM module. The GSM module will receive the text command and send it to the microcontroller to be processed and converted into desired control signal. Controlling motor using SMS is really convenient and give mobility as the user is able to control and monitor the motor from anywhere as long as the places have coverage. Moreover, sending text message is considered very low cost and most of people have their own mobile phones and it already becomes one of the basic needs in life.
New Approach on Development a Dual Axis Solar Tracking Prototype  [PDF]
Nader Barsoum, Rinoe Nizam, Elvin Gerard
Wireless Engineering and Technology (WET) , 2016, DOI: 10.4236/wet.2016.71001
Abstract: To track the sun in two directions that is elevation and azimuth, a dual-axis tracking prototype is developed to capture the maximum sun rays by tracking the movement of the sun in four different directions. One axis is azimuth which allows the solar panel to move left and right. The other axis is elevation and allows the panel to turn up and down. The result of this new development provides the solar panels with extensive freedom of movement. This new approach will make use of the Light Depending Resistor (LDR) which is important to detect the sun light by following the source of the sun light location. AutoCAD software is being used to design the draft in 2-dimension (2D) for the hardware dual axis solar tacker. Sketch Up software is being used to sketch the drawing to be more real in 3-dimension (3D). Proteus software is being used to design the circuit for the Arduino UNO microcontrollers and H-BridgeIC chip. This implemented system can save more energy and probably offers more reduction in cost. The paper discusses the process of hardware development and the control process of tracking the sun, as well as the circuit design.
Transient Stability Simulation of 33 kV Power Grid  [PDF]
Nader Barsoum, Nadira Zulkeffley, Myjessie Songkin
Energy and Power Engineering (EPE) , 2018, DOI: 10.4236/epe.2018.106019
Abstract: An example of Sandakan power grid problem is presented in this paper. Sandakan is a suburb in east coast of Sabah state of Malaysia. Stability problem occurs due to the increase in load demand, lack of generation sources and inadequate supply. The tripping disturbances occur frequently in the network which is contributing to voltage instability. In this paper dynamics stability of 33 kV power grid as related to Sandakan network is analyzed and simulated. The analysis is completed by modelling the network data in Power System Simulation for Engineering (PSS/E) software and simulate the transient stability of generator, exciter and governor during a three phase fault occurs on a far and close distance from a bus, and determine the critical clearing time as well as swing curve of rotor angle. The output values of electrical power, machine speed, rotor angle and bus voltage are observed.
Skin Nodules as a First Presentation of Metastatic Invasive Lobular Carcinoma: Case Presentation  [PDF]
Mohsen Samy Barsoum, Emad Mohsen Samy Barsoum, Hany Samy Attallah, Hany Nader Victor
Advances in Breast Cancer Research (ABCR) , 2018, DOI: 10.4236/abcr.2018.72009
Abstract: Primary breast carcinoma is the most common cause of cutaneous metastases in adult females, comprising about one fourth of patients with the disease. Although CM usually manifests as a late event in the course of a known neoplasm, they are rarely the presenting sign of an undiagnosed malignancy. Invasive Lobular carcinoma is known to be more likely to spread to unusual sites.
Effect of Distribution Generators on Stability in a Limited Bus Power Grid System  [PDF]
Nader Barsoum, Christoper Bin Asok, David Ting Szu Kwong, Clifford Gan Thien Kit
Journal of Power and Energy Engineering (JPEE) , 2017, DOI: 10.4236/jpee.2017.59007
Abstract: It has been recognized recently that when injecting renewable energy source power to a load bus which connected to a distributed feeder in a power grid system, a stability problem occurs particularly when having high fault duties that exceeding the circuit breaker ratings at some substations. In this paper an analysis of power flow, short circuit, stability and protection is given in detail to an example of limited 7-bus power grid system. Comparison is illustrated between power grid with and without distributed generators regarding bus voltages, fault currents, critical power angles, selected current transformers and over current relay settings in each bus.
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