Generators With Slip Rings Produce Sinusoidal AC (VCE SSCE Physics): Flashcards
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Practise the cards
10 cards from this deck
Function of slip rings in alternators
Function of slip rings in alternators
Maintain continuous connection to coil ends, allowing AC output
Slip rings vs split ring commutators output
Slip rings vs split ring commutators output
Slip rings produce AC; split rings produce DC
Betz limit value
Betz limit value
59% - theoretical max efficiency for wind turbines
When is EMF maximum in rotating coil?
When is EMF maximum in rotating coil?
When magnetic flux is zero (flux changing most rapidly)
When is EMF zero in rotating coil?
When is EMF zero in rotating coil?
When magnetic flux is at maximum or minimum
EMF relationship to magnetic field strength
EMF relationship to magnetic field strength
Directly proportional - doubling doubles EMF
EMF relationship to coil area
EMF relationship to coil area
Directly proportional - doubling doubles EMF
EMF relationship to number of turns
EMF relationship to number of turns
Directly proportional - doubling doubles EMF
Effect of doubling rotation speed on EMF amplitude
Effect of doubling rotation speed on EMF amplitude
Doubles the amplitude (maximum voltage)
Effect of doubling rotation speed on period
Effect of doubling rotation speed on period
Halves the period (doubles the frequency)