Electrical and Electronic Engineering

Blog of Engr. Yousuf Ibrahim Khan

Thursday, November 8, 2012

Circuit Breakers : Principles & Operation

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Fig 1 : A 2-pole miniature circuit breaker All electric circuits needs a switching device and also a protective device. Switchgear is t...
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Circuit Breakers : Selection Criteria

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There are a few different criteria to consider when selecting a circuit breaker including voltage, frequency, interrupting capacity, contin...
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Instrument Transformers: CT and PT

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  Fig :1: (A) The current transformer is designed to connect in series with the line to transform the line current to the standard 5 amp...
Sunday, November 4, 2012

Frequently Asked Questions : Part 1

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Author : Engr. Yousuf Ibrahim Khan (BSc. EEE, AIUB) 1. What is Electrical Safety ? Ans : Electricity is a wonderful utility, but can b...

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Black body radiation and the Planck law. Stimulated and spontaneous emission, atomic and spectral line width, 3-level atomic, systems. Laser...

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Introduction to Thin Film Technology. Vacuum systems. Kinetic theory of gases. The physics and chemistry of evaporation/deposition mechanism...

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Definition and measure of information, information capacity. Fundamentals of error control coding: forward error correction (FEC) and automa...

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Biological nervous system : the bran and neurons . Artificial neural networks. Historical backgrounds. Hebbian associator . Perceptions : le...

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Numerical methods. Graphical methods. Equations with known exact solution. Analysis of singular points. Analytical methods. Forced oscillati...

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Wavelet transform. Chaos and bifurcation theorems. Walsh function. Green's function. Finite element techniques. Fuzzy logic. Genetic alg...

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Numerical techniques using computer solution of differentiation and integration  problems, transcendental equations, linear and non-linear d...

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Wiring system design, drafting, estimation. Design for illumination and lighting. Electrical installations system design: substation, BBT an...

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Practical study of electronic equipment: radio receivers, television receivers, Audio Cassette and CD player, VCR, VCP, DVD player, satellit...

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Human body: Cells and physiological systems. Bioelectricity: genesis  and characteristics. Measurement of bio-signals: Ethical issues, trans...

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Introduction: Applications, functional elements of a measurement system and classification of instruments. Measurement of electrical quantit...

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Nanosystems and Devices:  Introduction-  nanomaterials, nanodevices, nanostructures. Nanoscale Lithography: X-ray, Electron-Beam and Ion-Bea...

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Nanomaterials and nanostructures: graphene, carbon nanotubes, fullerenes, molecules and organic nanostructures. Synthesis methods of nanostr...

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Fundamentals of quantum mechanics: effective-mass Schrodinger Equation, matrix representation, Greenis function: Fundamentals of nonequilibr...

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Introduction to N port network for lossless Junctions . Resonant circuits and different types of resonators. Modern microwave transmission l...

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Generalized approach to field theory: introduction to reaction concept, wave propagation through isotropic, anisotropic and gyrotropic media...
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Yousuf Ibrahim Khan
I am an Elctrical and Electronic Engineer. I completed my B.Sc in EEE from American International University-Bangladesh (AIUB) in 2011. Currently doing my M.S in Mathematics at Ahsanullah University of Science and Technology, (AUST)(Expected, 2013).
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