Ee251

[magt323]

أبغى أرقام الشباتر للاختبار النهاىءي

[أحمد الناصر]

BASIC ELECTRICAL ENGINEERING –EE251

1. Electric Circuits

a)Direct Current Circuits
1.Basic concepts: An electric current,voltage,circuit elements, power and energy,
system of Units, passive and active elements.
2.Resistance:resistivity,series/parallel combination, star/delta transformation,
temperature coefficient of resistance.
3.Ohm’s law and kirchhoff’s laws, electrical power and energy, current divider rule
and voltage division
4.Direct current circuit analysis: mesh analysis, nodal analysis, thevinin equivalent,
norton equivalent, superposition analysis, maximum power transfer.

b)Capacitors And Inductors:
1. Capacitors: capacitance of parallel plates, charge- voltage relation, capacitor
volt- ampere relation, energy stored in the capacitor , series and parallel
capacitors, capacitor under DC condition, practical capacitor
2.Inductors: volt-ampere relation, energy stored in the inductor, series and parallel
inductor, inductor under DC condition, practical inductor
3.Transient state.

c)Alternating Current Circuits:
1. Sinusoids: amplitude, phase, period and frequency of the sinusoid.
2. Phasors : phasors representation of the sinusoid.
3. Complex numbers
4. Phasors relationship for circuits elements
5.Impedance, admittance, conductance and susceptance.
6.Sinusoidal steady –state analysis.
7. The average power, reactive power, power factor power factor correction.
8.Maximum average power transfer
9. Effective Or RMS Value
10.complex power and power triangle


2.Resonance And Filters

a) Resonance:
1. Series resonance
2. Parallel resonance

b)Filters :
1. R-C filters
2. R-L filters


3.Single Phase Transformer
1. Faradays Law
2. Ideal Transformer
3.Impedance Reflection
4. Maximum Power Transfer In A Transformer


4.Three Phase Circuits
1. Three Phase Sources and Loads
2. Balanced Three Phase Circuits
3.Positive and Negative Sequence
4.Balanced Star-Star Connection
5. Balanced Star-Delta Connection
6. Balanced Delta - Delta Connection
7. Three Phase Power In a Balanced Systems.


5.Introduction To Electrical Machine

a)DC Machines:
1.Constructional And Principle Of Operation.
2. EMF Equation
3.Torque Equation
4. Types Of DC Machines
5. Characteristics And Applications
6.Speed Regulation And Voltage Regulation

b)Three Phase Induction Motors:
1.Synchronous speed.
2. Slip and rotor frequency

c) Synchronous Machines:
1.Theory of operation
2. Synchronous speed.
3.Applications



6.Operational Amplifiers And Diodes

a) Fundamental Operational Amplifier Circuits:
1.Op –Amps Uses
2.Inverting Amplifier
3.Non Inverting Amplifier
4.Summing Amplifier
5.Voltage Follower

b)Diodes :
1.Volt- Ampere Characteristics
2.Half- Wave And Full Wave Rectifiers
3.Inductive Protection
4. Filtering



TEXT BOOK
1.ENGINEERING CIRCUIT ANALYSIS, EIGHTH EDITION by
William H. Hayt, Jr. ,Jack E. Kemmerly and Steven M. Durbin

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