Course Code: celectricalacircuits
Duration: 28 hours
Course Outline:

Day 1 Electronics fundamentals related to circuits

Electrical fundamentals (3 hours)

  • Fundamental units & Derived units, Electrical units & symbols
  • Conductors & insulators
  • Voltage & resistance and Ohm’s law
  • Resistance and resistivity, Resistors & Preferred Values, Resistance constructions
  • Resistors marking and reading and coding
  • Series and Parallel combinations of resistors
  • Resistance and temperature, Thermistors, Light dependent resistors
  • Voltage dependents resistors, Variable resistors
  • Capacitors & Capacitance, Charge – Capacitance & Voltage.
  • Capacitance and Physical characteristics & specifications
  • Capacitor marking and constructions
  • Series and Parallel combinations of Capacitors
  • Variable capacitors
  • Inductors & inductance
  • Inductance physical characteristics & specifications
  • Variable inductors

D.C Circuits and AC Circuits (3 hours)

    • Simple Circuit Series Circuit Parallel Circuit Combination Circuit
    • The Potential divider, The current divider
    • The Wheatstone bridges
    • C-R circuits and Charging & discharging
    • Wave shaping with C-R networks
    • L-R circuits, Wave shaping with L-R networks
    • AC versus DV
    • Waveforms and signals
    • Frequency & periodic time
    • Average, peak, peak-peak, and RMS values
    • Capacitive reactance, Inductive reactance, Impedance

Day 2 Electrical equipment fundamentals

Devices, symbols, and circuits (2 hours)

    • Devices and symbols
    • Electrical circuits
    • Reading and understanding simple electrical drawings
    • Reading and understanding ladder logic
    • Wires and terminal numbering

Electrical Equipment (4 hours):

    • Transformers
    • Voltage and turns ratio
    • DC Motors
    • Stepper motors
    • Fundamentals of three-phase AC motors
    • Fundamental of single-phase AC motors
    • Motor terminal identification and connection diagram
    • Operating a motor for forward and reverse operation
    • Motor braking methods
    • Motor testing and Measurements used for a motor
    • Motor failures and methods to extend life.
    • Motor control circuits conventional control.

Day 3 Measurement and Switches:

Basic Test equipment and measurements and troubleshooting principles (3 hours):

    • Meters (voltmeters – ammeters – ohmmeters)
    • Multi range meters
    • Analog Multi range meter display and control
    • Insulation resistance and earth testers
    • Basic principles in using a drawing and meter in troubleshooting circuits
    • Checks for circuit continuity with disconnected supply
    • Checks for circuit continuity with live supply
    • Tests and methods
    • Testing devices
    • Tests for installation and troubleshooting

Switches, circuit breakers and switchboards (3 hours)

    • Semiconductor switches, diodes, Diode types, Zener diodes
    • Variable capacitance diodes, Thyristors
    • Diode coding, LED Light emitting diodes
    • Bipolar transistors
    • Transistor operation
    • Bipolar transistor characteristic
    • Current gain
    • Field effect transistors
    • MOSFET switch, FET characteristics & parameters
    • Switches and circuit breakers
    • Power and control Relays AC and DC
    • Overloads and fault protection
    • Switchboards
    • Motor control circuit.
    • Logic functions
    • Logic gates
    • Buffers, Inverters
    • Combinational logic
    • Digital abstraction and digital logic Combinational gates

Day 4:

Amplifiers and operational Amplifiers (2 hours)

    • Types of amplifiers
    • Class of operation
    • Input and output resistance
    • Frequency, bandwidth, phase shift
    • Negative feedback
    • Transistor amplifier
    • Operational amp.
    • Op. amp. Characteristics
    • Gain and bandwidth
    • Inverting Op. amp.
    • Op amp circuit configurations
    • Op amp IC packages
    • Control circuits with OP amp.
    • P - PI- PD and PID controller.

Power supplies (2 hours)

    • Rectifiers
    • Reservoir and smoothing circuits
    • Improved ripple filters
    • Full wave rectifiers
    • Bi wave rectifiers
    • Bridge rectifier circuits
    • Voltage regulators
    • Output resistance and voltage regulation
    • Practical power supply circuits

Programable logic control ladder diagram (2 hours)

    • PLC device
    • Main component elements programming ladder
    • Timers and counters.
    • Control circuits for motors
    • Systems control for complete system.
    • Simulation software for PLC
    • Simulation software for electronic cuircuits.