Difference between AC Generator and DC Generator
AC generators and DC generators are two types of generators that are used to generate electrical power.
The main difference is AC generators generate alternating current electricity while DC generators generate direct current electricity.
Before we move to the differences, let’s understand what are AC Generator and DC Generator:
- AC Generator: An AC generator is a device that generates alternating current (AC) electricity. It works by using a rotor (rotating part) and a stator (stationary part) to generate a magnetic field.
- DC Generator: A DC generator is a device that converts mechanical energy into direct current (DC) electrical energy. It works on the principle of electromagnetic induction, where a rotating coil of wire within a magnetic field generates an electrical current.
Now, let’s move to AC Generator vs DC Generator:
Major differences between AC Generator and DC Generator
|AC Generator||DC Generator|
|AC generators generate alternating current (AC) electricity.||DC generators generate direct current (DC) electricity.|
|AC generators use a coil of wire to generate electricity||DC generators use a commutator and brush system to convert the alternating current generated by the stator into direct current.|
|AC generators are more efficient and less expensive to operate.||DC generators are more expensive to operate and maintain.|
|AC generators are better suited for long distance transmission of power.||DC generators are better suited for short distance transmission of power.|
|The direction of current in an AC generator changes as the coil rotates.||The direction of current in a DC generator remains the same.|
Note that sometimes, the question might also be asked as “distinguish between AC Generator and DC Generator”.
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AC generators and DC generators are two different types of generators that are used to generate electrical power.
Understanding the key differences between the two, such as the fact that AC generators generate alternating current (AC) electricity while DC generators generate direct current (DC) electricity, is essential for understanding electrical power generation.
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