April 2015
Beginner
768 pages
23h 29m
English
Content preview from Basic Electrical Engineering
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5
MAGNETIC CIRCUITS
LEARNING OBJECTIVES
After the completion of this chapter, the students or readers will be able to understand the following:
- What are magnetic circuits?
- How magnetic circuits are similar to electric circuits?
- What is magnetic hysteresis and hysteresis losses?
- What is the meaning of electromagnetic induction?
- What is dynamically and statically induced emf?
- What is self and mutual inductor?
- What are eddy current losses and how they can be reduced?
5.1 INTRODUCTION
The operation of all electrical machines such as DC machines, transformers, synchronous machines, and induction motors rely upon their magnetic circuits. The closed path followed by the magnetic lines of force is called a magnetic circuit. The operation ...
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