Thursday, November 22, 2018
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Faculty of Engineering
/ Electrical Engineering

Electrical Measurements and Circuits Laboratory

The goals of this laboratory are to gain hands-on experience on using some of the electrical measurement instruments, and to study experimentally the theory of electrical circuits in the lab. The experiments that are being done in this laboratory are:

Experiment #1: Introduction to oscilloscopes.

Experiment #2: Introduction to the physical characteristics of some of the elements in electrical circuits, and learning how to work with electrical measurement instruments, DC power supplies, signal generators, voltmeters, ammeters, and etc.

Experiment #3: Determination of the resistance, capacitance and inductance of resistors, capacitors and inductors respectively by the method of measuring voltage and current.

Experiment #4: Experimental study of KVL and KCL laws, resistive voltage and current dividers, superposition theorem, Thevenin and Norton theorems, maximum power transfer theorem, and measuring internal resistance of power supplies.
Experiment #5: Introduction to time response of first order RC and RL circuits to the step function inputs, and study the operations of integrators and differentiators.
Experiment #6: Introduction to time response of RLC circuits to the step function inputs, and study the over-damped, critically damped and under-damped transient responses.
Experiment #7: Study of frequency response of first order circuits, and introduction to low pass and high pass filters, and phase advance and phase delay.
Experiment #8: Study of frequency response of second order circuits, and introduction to the resonance in second order circuits.
Experiment #9: Building electrical measuring instruments and expanding their measurement capabilities.

Electronics I Laboratory

The goals of the electronics I laboratory are to give students a hands-on introduction to electronic components such as different diodes and transistors, and to study different transistor amplifier circuits. The experiments that are being done in this laboratory are:
Experiment #1: Experimental study of different diodes and finding their voltage-current characteristics on the oscilloscope.
Experiment #2: Study of wave-shaping circuits and finding their input-output characteristics.
Experiment #3: Rectifying AC current with diodes, and building DC power supplies.
Experiment #4: Introduction to transistors, and determining bias and thermal stability of transistors.
Experiment #5: Experimental study of characteristics of common emitter (CE) amplifier.
Experiment #6: Experimental study of characteristics of common collector (CC) and common base (CB) amplifiers.
Experiment #7: Construction of two identical signals with 180 degree phase difference, and building a CE amplifier with parallel resistors from collector to base.
Experiment #8: Experimental study of two stage Class A amplifiers.
 
Digital and Pulse Circuits Laboratory
The goals of this laboratory are to study the characteristics of square wave pulses and to understand the effects of RC and RLC circuits on these pulses, also, to generate different waveforms such as square, triangle, and cosine signals with adjustable amplitude, frequency and symmetry using transistors, operational amplifiers and logical gates. The experiments in this laboratory are:
Experiment #1: Introduction to characteristics of pulses and effects of RC and RLC circuits on pulses characteristics.
Experiment #2: Introduction to switching elements such as diodes, transistors and FETs.
Experiment #3: Introduction to A-stable, Mono-stable and Bi-stable multi-vibrators based on transistors, operational amplifiers, logical gates and time-measuring chips such as 555.
Experiment #4: Introduction to waveform generator circuits (square, triangle, sine, steps, and sawtooth) and pulse modulators.
Experiment #5: Introduction to VCO and PLL circuits and crystal oscillators.
Experiment #6: Introduction to ADC and DAC circuits and their applications in transducers.
Electronics II Laboratory
The goals of the electronics II laboratory are to introduce JFETs, differential amplifiers, operational amplifiers, feedback and regulators to students. The experiments that are being done in this laboratory are:
Experiment #1: Introduction to JFETs and construction of current sources and switches.
Experiment #2: Using JFET as an amplifier and variable resistor.
Experiment #3: Introduction to differential amplifiers.
Experiment #4: Introduction to operational amplifiers.
Experiment #5: Applications of operational amplifiers.
Experiment #6: Introduction to amplifier circuits with negative feedback.
Experiment #7: Introduction to voltage regulators.

  Communication Circuits Laboratory
The goals of this course are to introduce and implement different FM and AM radio transmitter and receiver systems. The experiments in this laboratory are:
Experiment #1(a): Study of direct radio receiver, TRF receiver without RF amplifier including input resonance circuit, AM receivers and audio amplifiers.
Experiment #1(b): Study of TRF receiver with RF amplifier and input impedance matching.
Experiment #2(a): Study of AM and FM modulators and demodulators, AM demodulator/mixer using Gilbert cell MC1496.
Experiment #2(b): Study of different FM demodulator circuits, including Quadrature FM demodulator by Gilbert cell, FM demodulator using logical gates and flip-flops.

Experiment #3(a): Study of super-heterodyne AM/FM receivers based on integrated circuits, introduction to different blocks of an AM/FM integrated circuit receiver, and measuring the characteristics of pre RF amplifier blocks, mixers, IF amplifiers of AM and FM paths, AM and FM demodulators, and also measuring the characteristics of needed ceramic filters.
Experiment #3(b): Design and implementation of an AM receiver with an RF amplifier, an oscillator and an AGC circuit, design and implementation of an FM receiver with an RF amplifier, an oscillator and an FM demodulator.
Experiment #4: Study of AM transmitters with Colpitts oscillators, differential multiplier modulators, RF amplifiers and antenna matching circuits, measuring the percentage of modulation.
Experiment #5(a): Study of FM modulators using VCOs, transistor based VCOs with microphone amplifiers, and measuring the modulation index of the constructed circuit.
Experiment #5(b): Introduction to an FM modulator chip.
Experiment #6(a): Introduction to a PLL integrated circuit at RF band and some of its applications, and introduction to some blocks of NE564.
Experiment #6(b): Design and implementation of a FSK modulator with a PLL.
Experiment #7: Introduction to super regenerative receivers, and design and implementation of an AM/FM receiver from this family.

  FPGA Laboratory
The goals of the FPGA lab are to introduce students to FPGA and CPLD chips and VHDL language. In this lab, students become familiar with the Xilinx ISE software and ModelSim simulator. Students participate in three-hour sessions per week for 16 weeks and work on behavioral modeling, data flow, structural, and state machines.
Linear Control Laboratory
The goals of this laboratory are to introduce students to different blocks of closed loop and open loop control systems, speed control systems for motors, and also position control systems of servo DC motors. During the lab, students design and test PID control systems. The experiments carried out in this laboratory are:
Experiment #1: Introduction to different parts of servo DC motors and determining the transfer function of the system.
Experiment #2: Study of the effects of varying the gain of a proportional controller on the behavior of the system and the role of speed feedback in the system.
Experiment #3: Study of the effects of variations of the load on speed control systems, and an introduction to different parts of PID controllers.

Experiment #4: Using PID controllers in a servo DC system, and studying the behavior of the system.
Experiment #5: Analysis of the frequency response of systems, and finding the time constant of systems.
Experiment #6: Analysis of the behavior of the inverted pendulum system, and stabilizing and controlling the system in Matlab/Simulink.
Experiment #7: Introduction to pneumatic systems and related experiments.
Experiment #8: Introduction to electro-pneumatic systems and related experiments.
Experiment #9: Introduction to a multiple input multiple output system (twin rotors), and study a multivariable controller for this system.

Electrical Machines I Laboratory

The main goals of this laboratory are to introduce the students to AC and DC electrical machines, and single and three-phase transformers. The experiments which are carried out during this laboratory are as follow:
Experiment #1: Study of the characteristics of a DC series, shunt and compound machine.
Experiment #2: Study of the torque, armature reaction, DC motor with internal poles, and compensating windings.
Experiment #3: Experiments about the characteristics of single-phase and three-phase AC induction machines, and stepper motors.
Experiment #4: Study of the characteristics of DC generators in series and shunt connections.
Experiment #5: Study the characteristics of DC compound generators in different configurations.

Experiment #6: Study of the characteristics of universal machines in AC and DC modes, and compare their power capabilities with each other.
Experiment #7: Investigation of the characteristics of no load and rated three-phase machines in Y (star) and ∆ (delta) connection.
Experiment #8: Study of the characteristics of single-phase transformers, finding the ratio of the transformer in the no loaded state, finding the transformer polarities, study the characteristics of a rated and no load condition transformer.
Experiment #9: Study of the characteristics of the hysteresis curve of a single-phase transformer, study the iron and copper losses, measuring the magnetic core temperature of transformer and its losses, study the voltage regulation of the transformer in different situations.
Experiment #10: Study of the characteristics of a no loaded and rated condition three-phase transformer in the ∆ and Y connections.

  Electrical Machines II Laboratory

The main goal of the machine II laboratory is to introduce the students to synchronous machines, three phase transformers, and single and two-phase induction motors. The experiments which are carried out in this laboratory are as follows:
Experiment #1: Experiments related to determination of the characteristics of synchronous generators included O-shape and V-shape curves.
Experiment #2: Determination of the equivalent circuit of a motor based on locked-rotor and no loaded synchronous motor experiments and short circuit test.
Experiment #3: Determination of the three-phase transformer polarities.

Experiment #4: Study of the Y and connections in transformers, and rated and no load transformer experiments.

Experiment #5: Study of the Y-Y, Y-, - and Z connections and their vector groups.

Experiment #6: Study of the open- (V) connection and its characteristics.

Experiment #7: Determination of the torque-speed and torque-current characteristics of single and two-phase induction motors.

Power Systems Analysis Laboratory
The goal of this laboratory is to study the analysis and computation methods in small power systems. The experiments that are carried out in this lab are:
Experiment #1: Introduction to the power system toolbox in Matlab software.
Experiment #2: Computing the admittance matrix in power systems (Y BUS).
Experiment #3: Study the load flow analysis using Gauss-Seidel method.
Experiment #4: Study the DC load flow analysis.
Experiment #5: Study the load flow analysis using Newton-Raphson method.
Experiment #6: Study the economic load dispatch amongst power plants.
Experiment #7: Study symmetrical short circuits.
Experiment #8: Introduction to the DigSilent software.
Experiment #9: Study asymmetrical short circuits.
Experiment #10: Introduction to basic topics in the transient stability analysis of power systems.
Experiment #11: Introduction to advanced topics in the transient stability analysis of power systems.

 

 

Date: 1395/02/01
Review: 754
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