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Coil Span & Distribution Factor of Electrical Machines Video Lecture | Electrical Machines - Electrical Engineering (EE)

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FAQs on Coil Span & Distribution Factor of Electrical Machines Video Lecture - Electrical Machines - Electrical Engineering (EE)

1. What is coil span in electrical machines?
Ans. Coil span refers to the angular distance between the two sides of a coil in an electrical machine. It is measured in electrical degrees and determines the distribution of magnetic flux within the machine.
2. How does coil span affect the performance of electrical machines?
Ans. Coil span plays a crucial role in the performance of electrical machines. A larger coil span leads to a more uniform distribution of magnetic flux, reducing the harmonics and improving the machine's efficiency and power factor.
3. What is distribution factor in electrical machines?
Ans. Distribution factor, also known as winding factor, is a measure of how effectively the winding of an electrical machine utilizes the available magnetic field. It is the ratio of the actual induced electromotive force (EMF) to the maximum possible induced EMF.
4. How does the distribution factor impact the output of electrical machines?
Ans. The distribution factor affects the output of electrical machines by influencing the voltage and current waveforms. A higher distribution factor results in a more sinusoidal waveform, reducing the harmonics and improving the overall performance and efficiency of the machine.
5. Can coil span and distribution factor be adjusted in electrical machines?
Ans. Yes, coil span and distribution factor can be adjusted in electrical machines by altering the design of the winding arrangement. By changing the coil span or modifying the winding configuration, engineers can optimize the machine's performance for specific applications and requirements.
19 videos|90 docs|25 tests
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