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mooody
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Is There Relation Between Voltage and Speed in Generator?

04/07/2010 1:38 AM

Is there relation between voltage and speed in generator?

Is there relation between voltage and frequency in generator?
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Tobugrynbak
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#1

Re: is there relation between voltage and speed in generator?

04/07/2010 1:48 AM

Yes

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maintenanceanand
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#2

Re: is there relation between voltage and speed in generator?

04/07/2010 1:59 AM

Yes there is. The AC generators which generate 415 Volts at 50 Hz are always coupled to an engine that rotates at 1500 RPM. If speed is increased to 1800 RPM, frequency easily escalates to 60 Hz.

Hz or RPM, in its broadest sense, represent change of something over a period of time.

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#3
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Re: is there relation between voltage and speed in generator?

04/07/2010 2:09 AM

And the answer to the question that the OP asked is ....................?
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dvmdsc
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#4

Re: is there relation between voltage and speed in generator?

04/07/2010 2:10 AM

Do you mean frequency or amplitude?

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dvmdsc
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#5
In reply to #4

Re: is there relation between voltage and speed in generator?

04/07/2010 2:15 AM

and forgot AC or DC. And what is the question gentlemen? Is this the answer?

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jhonson
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#6

Re: Is There Relation Between Voltage and Speed in Generator?

04/07/2010 10:32 AM

The voltage and frequency (speed) have a very week coupling.

The frequency (speed) of the generator depends on the turbine/engine input and the voltage depends on the exciter/field regulator of the generator. These two can be independently controlled.

The voltage depends on the Q (reactive power the load consumes).

The frequency depends on the P (real power the load consumes)
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SHAMITHGAMBHIR1
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#7

Re: Is There Relation Between Voltage and Speed in Generator?

04/08/2010 2:59 AM

In general generated e.m.f


where A = 2 - for simplex wave-winding

= P - for simplex lap-winding

N- speed in rpm

p- poles

Z- n.o of armature conductors

and

F=N*P/120

F-FREQUENCY.............

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Anonymous Poster
#9
In reply to #7

Re: Is There Relation Between Voltage and Speed in Generator?

07/21/2010 6:08 AM

nice answer. thanks
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raovasuki17
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#8

Re: Is There Relation Between Voltage and Speed in Generator?

04/14/2010 2:33 AM

Voltage Generated is directly proportional to the Speed of the generator or prime mover

E= K x Flux x speed x turns

regards

vasuki rao
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