BASIC AC THEORY EXAM

This exam will test you level of comprehension on the basic AC theory section of the electrical training course. … [Read more...]

BASIC AC THEORY 14

<previous   BASIC AC THEORY 14 BASIC AC THEORY  EXAM click here AC MOTOR TYPES Various types of AC motors are used for specific applications. By matching the type of motor to the appropriate application, increased equipment performance can be obtained.   Induction Motor Previous explanations of the operation of an AC motor dealt with induction motors. The induction motor is … [Read more...]

BASIC AC THEORY 13

 <previous   BASIC AC THEORY 13   next> AC MOTOR THEORY AC motors are widely used to drive machinery for a wide variety of applications. To understand how these motors operate, a knowledge of the basic theory of operation of AC motors is … [Read more...]

BASIC AC THEORY 12

<previous   BASIC AC THEORY 12   next> VOLTAGE REGULATORS Because the voltage from an AC generator varies as the output load and power factor change, a voltage regulator circuit is necessary to permit continuity of the desired output voltage.       <previous   BASIC AC THEORY 12   next> … [Read more...]

BASIC AC THEORY 11

 <previous   BASIC AC THEORY 11   next> AC GENERATOR OPERATION Because of the nature of AC voltage and current, the operation of an AC generator requires that rules and procedures be followed. In addition, there are various types of AC generators available, each type having advantages … [Read more...]

BASIC AC THEORY 10

 <previous   BASIC AC THEORY 10   next> AC GENERATOR THEORY AC generators are widely used to produce AC voltage. To understand how these generators operate, the basic theory of operation must first be understood.       <previous   BASIC AC THEORY 10   next> … [Read more...]

BASIC AC THEORY 9

<previous   BASIC AC THEORY 9   next> AC GENERATOR COMPONENTS   AC generators are widely used to produce AC voltage. To understand how these generators operate, the function of each component of the generator must first be understood. Field The field in an AC generator consists of coils of conductors within the generator that receive a voltage from a source (called excitation) … [Read more...]

BASIC AC THEORY 8

<previous   BASIC AC THEORY 8   next> THREE-PHASE CIRCUITS The design of three-phase AC circuits lends itself to a more efficient method of producing and utilizing an AC voltage.                       <previous   BASIC AC THEORY 8   next> … [Read more...]

BASIC AC THEORY 7

<previous   BASIC AC THEORY 7   next> POWER TRIANGLE While direct current has one form of power, alternating current has three different forms of power that are related in a unique relationship. In this chapter, you will learn that power in AC circuits cannot be calculated in the same manner as in … [Read more...]

BASIC AC THEORY 6

<previous   BASIC AC THEORY 6   next> RESONANCE In the chapters on inductance and capacitance we have learned that both conditions are reactive and can provide opposition to current flow, but for opposite reasons. Therefore, it is important to find the point where inductance and capacitance cancel one another to achieve efficient operation of AC … [Read more...]

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