Fundamentals of Electric Circuits (EE201) By Dr. Eng. Omar Abdel-Gaber M. Aly omar.aly@aun.edu.eg Assistant Professor Electrical Engineering Department College of Engineering Al-Majmaa Al-Majmaa University Schedule & Instructors Schedule: As indicated in Students Schedule Instructors: Dr. Omar Abdel-Gaber (omar.aly@aun.edu.eg) Office hours: Saturday (01:02 pm)‚ or by appointment. TAs: Eng. Mohamed AbdelRaheem Office hours: As indicated in
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http://www.youtube.com/watch?v=lB3HBoKPbOQ Saturable Reactor Saturable reactor or magnetic amplifier is a circuit that used to control very large load of AC with very small input DC. The saturable reactor consists of three essential elements : Direct current source‚ magnetic core with windings‚ and alternating current source. How it work? The AC load circuit run on to magnetic core and the DC control circuit is also went on to the same core. Ac current flows through winding and Since this current
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Arnhem‚ the Netherlands. All rights reserved. The contents of this report may only be transmitted to third parties in its entirety. Application of the copyright notice and disclaimer is compulsory. Phase to Phase BV disclaims liability for any direct‚ indirect‚ consequential or incidental damages that may result from the use of the information or data‚ or from the inability to use the information or data. 3 04-072 pmo CONTENTS 1 1.1 1.2 1.3 2 2.1 2.2 2.2.1 2.2.2 3 3.1 3.1.1 3.1.2
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is a device that supplies electric power to an electrical load. The term is most commonly applied to electric power converters that convert one form of electrical energy to another. An AC-DC power supply converts alternating current (AC) into the direct current (DC). In general most consumer electronic devices such as desktop computer‚ mobile phone require a low DC power source. In practical field DC power for electronic devices is most conveniently obtained from commercial AC lines by using rectifier-filter
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therefore wrong and harmful‚ as well as unnecessary." With anarchism there is a belief that once all government is abolished by the people that everyone will come together in a community of mutual aid and understanding without laws or authority to direct. Their philosophy can be considered opposite of most other ideologies‚ especially that of contemporary liberalism. Contemporary liberalism strives to hold on to the classic liberal ’s ideals pertaining to political‚ economic‚ and social liberties
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UNIT 028 OUTCOME 1 POSITIVE RELATIONSHIPS 1.1 Positive relationships with children and young people are important for the following reasons: When a child/young person feels comfortable and settled within their care setting they are more likely to engage and participate more with staff and other children within the group which creates a more relaxed atmosphere‚ it also makes the separation process easier for the parents/carers as well as the child /young person as it shows that the child/young
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Research Report 105 May 2005 CENTRE FOR POLICY STUDIES Committed to independent policy research A Democratic Developmental State in Africa? A concept paper By Omano Edigheji Research report A Democratic Developmental State in Africa? A concept paper Omano Edigheji Centre for Policy Studies Johannesburg May 2005 This paper forms part of the CPS ‘State Series’ The Centre for Policy Studies is an independent research institution‚ incorporated as an association not
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MATRIX CONVERTERS Dr Pat Wheeler‚ Dr Jon Clare‚ Dr Lee Empringham‚ Mr Maurice Apap and Mr Michael Bland School of Electrical and Electronic Engineering University of Nottingham‚ Nottingham‚ UK Tel. +44 (0) 115 951 5591‚ Fax. +44 (0) 115 951 5616‚ email. Pat.Wheeler@Nottingham.ac.uk SUMMARY Recently there has been considerable interest in the use of matrix converter technology for motor drive applications‚ with particular interest being shown by Siemens‚ Rockwell and Yaskawa. This paper gives
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LIGHT EMITTING DIODES Light Emitting Diodes are electronic components that use the flow of electrons to excite materials into emitting photons of light. A diode is a basic electronic component that allows electricity to flow one way only. The discovery of "light emitting" diodes we believe was an accident sometime around 1907 when a diode in an early radio transmitter was noticed to glow when in use. Incandescent bulbs use resistance in a filament to impede the flow of electricity‚ heating
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Today many things have changed in society where children are concerned. The schools were seen as rigor and teachers were looked upon. Thanks for those good old days. Colleges then didn’t coddle students. The colleges preserved its right to “direct the conduct and studies of the youth and to restrain them from such liberties and indulgences as would tend to corrupt their morals or alienate their minds from steady application.” And steady application was de rigueur. At five o’clock each morning
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