why grid frequency varry time to time?

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why grid frequency varry time to time?..

because of the very fact that load on a system seldom
remains constant,when demand increases speed of the
alternator decreases and hence the frequency changes.

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why grid frequency varry time to time?..

Answer / satendra

when the demand is more on grid and generation is less frequency get decreased and vise - vers.
so in order to maintain this near to 50hz grid gave a schedule to power generating station of 15-15 min. for 24 hour's in advance ( prediction on the basis of previous records )

satendra.svnit@gmail.com

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