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Single and 3-Phase electrical circuit basics A to Z by Udemy

AC / DC Explained, Single / Three-Phase motor circuits, Test Equipment, House Wiring, Ohm's law and fault finding.

       
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Course Highlights
  • Fundamentals of electricity / Electrical Circuit basics (Conductors/Insulators, Open/Closed Circuits, Series/Parallel Circuits).
  • Voltage, Current, Resistance, Power, and Energy explained in a manner that can be visualized.
  • Direct Current and Alternating Current explained with oscilloscope graph examples.
  • Frequency, Peak values, Peak-to-Peak values and RMS values explained with example of basic calculations for each type of measurement.
  • Alternating Current power generation explained (Alternators, Power Stations, Transformers, Long Distance Transmission).
  • Electrical Transformers explained (Step-Up / Step-Down Transformers, Single / Three-Phase Transformers).
  • Ohm's Law Triangle and Wheel explained with examples.
  • Ohm's Law applied to five different scenarios (1. Matched Load and Supply / 2. Over-Current / 3. Under-Current / 4. Under-Voltage / 5. Over-Voltage).
  • Power Supplies and Loads in Series explained.
  • Power Supplies and Loads in Parallel explained.
  • Capacitors and Capacitance explained.
  • Inductors and Inductance explained.
  • Capacitive and Inductive Reactance explained (Simplified).
  • Impedance explained (Simplified).
  • Single / Three-Phase transmission explained with Wye / Delta examples.
  • Three-phase voltage potentials explained.
  • Electrocution, Protective Earth and other safety components explained.
  • Single / Three-phase circuit layouts explained.
  • Earthing systems explained (TN-C, TN-CS, TN-S, TT, IT).
  • Multimeters and how to use them (Layout, AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency, Display Count, Accuracy, Category ratings).
  • Clamp Meters and how to use them (Layout, AC/DC Current).
  • Insulation Resistance Testers and how to use them (Layout, Normal Resistance, Insulation Resistance Testing, Capacitance Discharge, AC Voltage measurements).
  • PSC/Loop Testers and how to use them (Testing Loop Impedance, Testing Prospective Short-Circuit Current, Calculating Prospective Fault Current).
  • Earth Resistance Testers and how to use them (Layout, Testing The Earth Resistance).
  • Phase Rotation Testers and how to use them (How to determine phase rotation).
  • ELCB/Polarity Testers and how to use them (Testing the Earth Leakage trip current, Socket outlet polarity testing).
  • Three-Phase motors explained (Wye / Delta configurations).
  • Three-Phase motor and control circuits explained with several upgrades.
  • Star/Delta starters explained (How to start a Three-Phase motor in two mild stages, instead of a single but more aggressive startup).
  • Single / Three-Phase motor inspections explained (External and Internal).
  • Fault Finding procedures and circuit inspection.
  • House hold wiring basics.
Curriculum
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1 Topic
Introduction

17 Topics
1. An introduction to electricity.
2. Conductors.
3. Insulators.
4. What is an electrical circuit?
5. Electrical Circuit Basics Quiz.
6. Voltage.
7. Current.
8. Resistance.
9. Power.
10. Energy.
11. Electrical Circuit Basics Quiz.
12. Power supplies in series.
13. Loads in series.
14. Power supplies in parallel.
15. Loads in parallel.
16. Symbols and Unit Abbreviations.
17. Electrical Circuit Basics Quiz.

35 Topics
1. Oscilloscope graph.
2. Direct Current.
3. Alternating Current.
4. AC and DC electricity quick quiz.
5. AC Frequency.
6. AC Peak values.
7. AC Peak-to-Peak values.
8. AC RMS values. (SHORTCUT METHOD)
9. AC RMS values. (RMS METHOD)
10. AC Waveform quick quiz.
11. Step-Up and Step-Down transformers.
12. Electromagnetism.
13. Single-Phase Alternators.
14. Single-Phase Transformers.
15. Electrical Transformer quick quiz.
16. Ohms Law Part 1. (Triangle Formulas)
17. Ohms Law Part 2. (Example of matched load and supply)
18. Ohms Law Part 3. (Example of high current)
19. Ohms Law Part 4. (Example of low current)
20. Ohms Law Part 5. (Example of low voltage)
21. Ohms Law Part 6. (Example of high voltage)
22. Ohms Law Part 7. (Wheel Formulas)
23. Ohm's Law quiz.
24. Power supplies in series calculations.
25. Power supplies in parallel calculations.
26. Loads in series calculations.
27. Loads in parallel calculations.
28. Loads in series and parallel calculations.
29. Series / Parallel quick quiz
30. Ohms Law for AC circuits.
31. Capacitors and capacitance.
32. Capacitive reactance.
"33. Inductors and Inductance.
" 34. Inductive Reactance.
35. Impedance.

8 Topics
1. Types of power stations.
2. Single-Phase transmission.
3. Three-Phase transmission. (Wye)
4. Three-Phase voltage potentials.
5. Three-Phase transmission (Wye)
6. Three-Phase transmission. (Delta)
7. Three-Phase Delta High-Leg.
8. Three-Phase Delta Quiz

12 Topics
1. Electrocution.
2. Electrocution quiz
3. Single-Phase supply circuit layout.
4. Three-Phase supply circuit layout.
5. Intermediate Light Switch circuit.
6. Single-Phase Energy meters.
7. Three-Phase Energy meters.
8. TN-C Earthing system.
9. TN-C-S Earthing system.
10. TN-S Earthing system.
11. TT Earthing system.
12. IT Earthing system.

27 Topics
1. Multimeter – Layout and design.
2. Multimeter - Leads.
3. Multimeter - Display count.
4. Multimeter - Accuracy.
5. Multimeter - Resistance measurements.
6. Multimeter - Continuity buzzer.
7. Multimeter - AC and DC voltage measurements.
8. Multimeter - AC and DC current measurement.
9. Multimeter - Capacitance measurements.
10. Multimeter - Frequency measurements.
11. Clamp Meter - Layout and design.
12. Clamp Meter - AC and DC current measurements.
13. Insulation Resistance Tester - Layout and design.
14. Insulation Resistance Tester – Normal resistance measurements.
15. Insulation Resistance Tester – Insulation Resistance Measurements.
16. Insulation Resistance Tester – AC Voltage measurements.
17. Insulation Resistance Tester - Capacitance discharge feature.
18. PSC / Loop Tester - Layout and design.
19. PSC / Loop Tester – Loop Impedance measurements.
20. PSC / Loop Tester – Calculating Prospective Fault Current.
21. PSC / Loop Tester – Prospective Short-Circuit Current measurements.
22. Earth Resistance Tester - Layout and design.
23. Earth Resistance Tester – Earth Resistance Measurements.
24. Phase rotation tester.
25. ELCB/Polarity Tester. – Earth Leakage sensitivity.
26. ELCB/Polarity Tester. – Polarity testing.
Electrical test equipment quiz.

15 Topics
1. Three-Phase motors explained.
2. Three-Phase motor-Wye configuration.
3. Three-Phase motor-Delta configuration.
4. Three-Phase motor circuit.
5. Motor control circuit.
6. Three-Phase motor / control circuit Forward / Reverse upgrade.
7. Control circuit indicator lights upgrade.
8. Current and Voltage gauges upgrade.
9. Circuit layout SIMPLIFIED.
10. Star-Delta Starter upgrade PART 1.
11. Star-Delta Starter Upgrade PART 2.
12. Star-Delta Starter upgrade PART 3.
13. Three-phase motor external inspection.
14. Three-phase motor internal inspection.
Three-Phase motor Quiz.

8 Topics
1. Single Phase motors.
2. Single-Phase motor Forward / Reverse Motor / Control circuit with indicator
3. Fault finding and circuit inspection (Part 1).
4. Single-Phase motor external inspection.
5. How to locate components in a Single-Phase motor.
6. Single-Phase motor internal inspection.
Single Phase motor quiz.
Single and Three Phase Electrical Basics final test.

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Single and 3-Phase electrical circuit basics A to Z

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