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1.resistance commutation 2.e.m.f commutation

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11y ago
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10y ago

A series rheostat in series with the equalizer....since dc generators produce only ac voltage then a rheostat can be used since it is a tool of ac voltage...

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10y ago

Problem of commutation in dc generator

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Q: What are the problems of commutation in a DC generator?
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What is commutation in DC machines?

It is the process of conversion of generated ac voltage into the armature of a dc generator to dc voltage at the terminal of the dc generator by use of pair of brushes and commutator. OR It is the process of conversion of given dc voltage at the terminal of the dc motor to ac voltage in the armature windings in a dc motor by use of pair of brushes and commutator.


Different types of DC generator?

There are two types me dc generator 1 separately excited dc generator 2 self excited dc generator


Armature reaction in a DC generator?

ARMATURE REACTION in DC MachineAll current-carrying conductors produce magnetic fields. The magnetic field produced by current in the armature of a dc generator affects the flux pattern and distorts the main field. This distortion causes a shift in the neutral plane, which affects commutation. This change in the neutral plane and the reaction of the magnetic field is called armature reaction.


Which is usually produced by a generator ac or DC?

An ac generator produces ac, a dc generator produces dc, it all depends on the generator.


What are the difference between choppers and inverters?

chopper transforms ac to dc (dc chopper) while all inverter transform dc to ac commutation used in chopper: forced,load commutation used in inverter:forced(180 vsi),natural or line(120 vsi)


What was the first DC generator name and inventor why it is call generator?

first dc generator is max generator donno who invented t


How do you make DC generator?

A DC generator is a DC machine that is driven by an external rotating force. It is constructed the same as a DC motor.


Types of generators?

By the operation supply 1.AC generator 2.DC generator In DC generator we are having the following types according to the construction 1.DC Series Generator 2.DC shunt Generator 3.DC Compound Generator


Is dynamo an AC generator?

DC generator


Explain the necessity and principles of commutator in Dc generator?

what is necessity of commutator in DC generator


How do you convert a DC generator to ac alternator?

Turn the DC generator inside out and you have an alternator .


Explain the construction and working of simple loop dc generator?

construction of DC generator