The electro technology industry impacts on almost every aspect of daily life. The technology ranges from traditional light and power, hardware platforms and networking automation to virtual enterprise, the internet and fibre optics.
The industry requires proper installation, servicing, repair and maintenance of electrical and electronic equipment for industrial, commercial and domestic purposes in order to achieve safety. It comprises of communications, distribution and transmission, electrical generation, computer data and communications, cabling systems and Sustainable/Renewable Energies. This course is designed to help students to become knowledgeable with the basic electrical theory, single and three phase systems, types of filters, principles of DC Generators and Synchronous Generators. After completing this course, students will be able to select, install, set up, test, fault find, repair and maintain electrical systems and equipment in buildings (commercial and domestic) and premises.
WHO SHOULD COMPLETE THIS COURSE
- Electrical Engineers
- Energy Managers
- Plant/Facility Engineers
- Maintenance Supervisors
- Maintenance Technicians
- Electrician
- Electrical Mechanic
- Electronics Technician
- Communications Technician
- Instrumentation Technician
COURSE OUTLINE
SINGLE PHASE SYSTEM
- Inductive Reactance
- Capacitive Reactance
- Impedances in Series
- Worked Examples
- Impedances in Parallel
- Worked Examples
POWER FACTOR
- Power factor improvement
- Effect of shunt capacitance on current phases
- Power factor correction
- Power factor Calculation
- Three phase AC
- Three phase star connection
- Three phase delta connection
THREE PHASE SYSTEM
- Electrical power
- Instantaneous power
- Average power
- RMS power
- Three phase system connections
- Examples
ELECTRICAL POWER AND ENERGY
- Active power
- Reactive power
- Electric power
- Apparent power
- Power factor
CALCULATION EXAMPLES FOR DELTA AND STAR CIRCUIT
- Calculating system phase voltage
- Calculating phase current
- Calculating line current
CONVERSION OF DELTA TO STAR CIRCUIT
- Delta – Star conversion application example
FOURIER SERIES – SAW TOOTH WAVE
- Periodic functions
- Fourier series
- Fourier series – Saw tooth wave
FOURIER SERIES – TRIANGLE & SQUARE WAVE
- Fourier series – Triangle wave
- Python program
- Fourier series – Square wave
- Python program
FILTERS
- Signal attenuation
- Basic filter types
HIGH-PASS FILTER AND RESONANCE
- 1st order High-pass filter
- High-pass filter characteristics
- Calculation example
- Network Impedance
- Series Resonance
DC GENERATORS
- Principle
- Magnetization curve
- DC machine construction
- Types
CHARACTERISTICS OF DC GENERATORS
- Internal and external characteristics
- DC machine characteristics
- Specially excited DC machine
- Shunt excited DC machine
- Series excited DC machine
- Comparison of characteristics
AC MACHINES AND INDUCTION MOTORS
- Principles of operation
- Stator and Rotor
- Squirrel cage Induction motor
- Stator and Windings
- Deep bar and Double cage Rotor
INDUCTION MOTOR AND GENERATOR
- Speed of AC Induction Motor
- Actual Rotor Speed
- Rotor Slip
- Induction Generator Principle
- Induction Generator Performance
SYNCHRONOUS GENERATORS
- Electrical machine
- Generator principle
- Rotating magnetic field
- Types of synchronous machines
- Salient pole Rotor
- Cylindrical rotor
SYNCHRONOUS MOTORS AND GENERATOR REACTANCE
- Starting of synchronous motors
- Generator impedance
- Conversion of reactance
- Calculation of Impedance and Fault current
