The Fundamentals 1 course includes the following learning activities. Maximum CEH awarded are 19 Operating Topics, but actual CEH depend upon classroom hours.
Fundamentals - Math Concepts
Learning Objectives:
1. Review of fundamentals concepts
2. Selected areas of math concepts will be addressed including:
- Fractions
- Decimals
- Exponents & Roots
- Per Unit Values & Measurement Systems
- Trigonometry
- Vectors & Phasors
Learning Activity Content:
- Add, subtract, multiply and divide fractions and solve simple problems involving ratios and percentages
- Add, subtract, multiply and divide decimal quantities
- Multiply and divide quantities with exponents and use the prefixes k, M, and G to denote multiples of physical quantities
- Calculate squares and square roots of given quantities
- Convert power system quantities to and from per unit values and identify commonly used units of measurement for different physical quantities
- Solve simple right triangle problems including the use of sine and cosine functions and the Pythagorean theorem
- Use vectors and phasors to represent physical quantities and solve simple problems
Fundamentals - AC Electricity Fundamentals
Learning Objectives:
1. Review of AC electricity fundamentals
2. Selected areas of AC electricity fundamentals will be addressed including:
- Electricity fundamentals
- Inductance and capacitance
- Impedance, resonance & AC power
- Multi-phase AC systems
Learning Activity Content:
- Define the following quantities as applied to AC voltage and current: frequency, period, wavelength, peak value, and effective value and use sine waves to represent AC values (voltage or current) that lag or lead each other by a given phase angle
- State the advantages of using AC to transmit power over long distances
- Describe the physical properties and electrical behavior of inductive and capacitive circuits; represent current and voltage in inductive and capacitive circuits using phasors and sine waves and use the principle of mutual inductance to explain the operation of a transformer
- Use the impedance triangle to determine the total impedance of an AC circuit
- Determine the relationship between voltage and current in series and parallel RLC circuits and describe briefly the phenomenon of resonance in AC circuits
- Use the power triangle to explain the relationship between active, reactive and complex power and describe the concept of RMS
- Use phasor diagrams and sine waves to represent three-phase power; state the reasons for using three-phase voltages on the power system and calculate voltage and current in wye-connected and in delta-connected three-phase circuits
Fundamentals - DC Electricity Fundamentals
Learning Objectives:
1. Review of DC electricity fundamentals
2. Selected areas of DC electricity fundamentals will be addressed including:
- Electron theory
- Sources of electricity
- Electrical current
- Magnetism
- Electrical circuits
Learning Activity Content:
- Describe the structure of an atom and identify the charge of each component particle and explain the difference between conductors and insulators
- Describe the concept of electromotive (emf) or voltage and list and briefly describe the various sources of voltage including electromagnetic induction
- Describe the process of current flow in a direct current (DC) circuit, using accepted conventions for the direction of current flow
- State the basic principles of magnetism including the law of magnetic poles; describe the fields of force surrounding a bar magnet, a current carrying conductor, and a current carrying coil; and describe the principle of operation of an electromagnet
- Define resistance of a conductor and resistivity of a conducting material and state Ohm's Law and apply the law to simple series and parallel circuits
- Calculate the instantaneous power (watt) in a simple electrical circuit and the energy (watt-hour) delivered over time
- State Kirchoff's laws and apply the laws to simple DC circuits
