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Module 9 - Alternating Current: Reactance, Impedance & Power Factor

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NATE CEH 3

Price: $60.00

QuantityCalculation of the different resistance introduced in an ac circuit by capacitors, inductors, and resistors and the concept of power factor

1. Calculate the capacitive reactance of a circuit, given the value of the capacitor, frequency, and voltage.

2. Describe the relation between capacitive reactance and frequency.

3. Calculate the inductive reactance of a circuit, given the value of the inductor, frequency, and voltage.

4. Describe the relation between inductive reactance and frequency.

5. Calculate the impedance of a circuit, given the values of the inductive and capacitive reactance, and the resistance.

6. Explain the term "Power Factor."

7. Define "apparent" power and the "true" or "actual" power of a circuit.

8. Calculate the power factor.

9. Explain three-phase power.

* Topic Introduction and Objectives

* Three Forms of Reactance

* Capacitive Reactance: Equation

* Calculating Capacitive Reactance: Example

* Calculating Reactance at Higher Frequency

* Inductive Reactance: Equation

* Calculating Inductive Reactance: Example

* Calculating Inductive Reactance at Higher Frequency

* Check-Point Question

* Topic Summary

* Topic Introduction and Objectives

* Impedance: Equation

* Calculating Impedance

* Calculating Impedance for an AC Solenoid Coil

* Check-Point Question

* Topic Summary

* Topic Introduction and Objectives

* Apparent Power Versus Actual Power

* The Iron Effect

* Topic Summary

* Topic Introduction and Objectives

* Ratio of Actual Power to Apparent Power

* Three Reasons Low Power Factor is Costly

* Understanding Apparent Power and Actual Power

* Calculating Power Factor Percentage

* Check-Point Question

* Topic Summary

* Topic Introduction and Objectives

* Sine Waves for Three-Phase Circuit

* Check-Point Question

* Topic Summary

* Assessment

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