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Physically accommodating the size and number of conductors in the stator of an alternator typically limits it output line voltage to 30 kV. In the UK, for example, alternators' line voltage output are typically either 11 kV or 25 kV.
So, assuming your (three-phase) alternator has a terminal line voltage of 11 kV, then a 10 MVA alternator should be able to deliver a line current of:
line current = (rated apparent power) / (1.732 x rated line voltage) = 10 000 000 / 1.732 x 11 000
= 525 A
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What is the difference between a DC motor and a generator in terms of EMF?
During the operation of a DC motor, EMF is created across its terminals using an external source. Whereas, in a DC generator EMF is created across its terminal based on principle of dynamically induced EMF. So talking in terms of EMF, in DC motor EMF is consumed by the motor coil and utilized to rotate the axle. On the other hand, in DC generator EMF developed across coil is transfered to a load or a battery and consumed by them.
What does an increase in field strength in a dc generator causes a?
increased Back emf
Why a dc generator you unable to generate emf even its armature is rotating?
bad connection
Why you perform open circuit characteristics of a dc shunt generator?
to find the relation between emf generated and Field current .....
Generation of 3-phase emf?
The usual way is with a synchronous generator connected to the distribution system.
