What Is 3-Phase Power?, Part 8: Introduction to Synchronous Generators
From the series: What Is 3-Phase Power?
The fundamental operational characteristic of a synchronous generator is that the electrical frequency is directly proportional, or synchronized, to mechanical rotational speed. This characteristic is a consequence of establishing a magnetic field on the rotor that stays aligned with the rotor orientation as the rotor rotates. You will learn:
- The relationship between rotor magnetic field and induced stator voltage
- The relationship between stator voltage and frequency
- How changing the number of pole-pairs changes the ratio of mechanical speed to electrical frequency
- How a speed governor controls electrical frequency
- How an automatic voltage regulator (AVR) controls stator voltage
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