Course Content
Basics of Electrical Engineering
Electrical engineering is a branch of engineering that deals with the study and application of electricity, electronics, and electromagnetism. It encompasses a wide range of technologies and applications, from power generation and distribution to electronic devices and communication systems. Understanding the basics of electrical engineering provides a foundation for designing, analyzing, and troubleshooting electrical systems and devices.
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Key Concepts in Electrical Engineering
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Applications
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Generator
A generator is an electrical device that converts mechanical energy into electrical energy through the process of electromagnetic induction. Generators are widely used in various applications, including power generation for electrical grids, backup power for buildings, and portable power supplies. Understanding the operation, types, and components of generators is fundamental to electrical engineering.
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How Generators Work
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Types of Generators
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Key Components of Generators
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Applications of Generators
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Transformer
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. It is used to change the voltage levels in alternating current (AC) electrical systems, enabling efficient transmission and distribution of electrical power over long distances. Transformers are fundamental components in power systems, electrical distribution networks, and many other applications.
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How Transformers Work
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Key Components of Transformers
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Types of Transformers
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Applications of Transformers
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Switch Gears
Switch gears are critical components in electrical systems, used to control, protect, and isolate electrical equipment. They consist of various devices that allow for the switching of electrical circuits and the protection of electrical systems from faults. Switch gears are commonly found in power generation, transmission, and distribution networks, as well as in industrial and commercial facilities.
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Functions of Switch Gears
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Key Components of Switch Gears
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Types of Switch Gears
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Types of Switch Gears
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Applications of Switch Gears
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Professional Training in Electrical Design Engineering
About Lesson

How Transformers Work

Transformers operate based on the principle of electromagnetic induction, discovered by Michael Faraday. The basic operation of a transformer involves the following steps:

  1. AC Voltage Input: An alternating current (AC) voltage is applied to the primary winding of the transformer. The AC voltage creates a varying magnetic field around the primary winding.

  2. Magnetic Induction: The varying magnetic field produced by the primary winding induces a voltage in the secondary winding through a process known as mutual induction. The magnetic field is channeled through a core, which enhances the efficiency of the induction process.

  3. Voltage Transformation: The induced voltage in the secondary winding is proportional to the turns ratio between the primary and secondary windings. The voltage can be increased (stepped up) or decreased (stepped down) depending on the number of turns in each winding.

  4. AC Voltage Output: The transformed voltage is then available at the secondary winding for use in electrical circuits or systems.

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