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what is the diffrence between dol and star delta strater?
why star delta starter used instead of dol?

Answers were Sorted based on User's Feedback



what is the diffrence between dol and star delta strater? why star delta starter used instead of do..

Answer / manish

Direct On Line( DOL) starter takeS Full load current
Ist=Ifl But STAR/DELTA starter which during starting of
motor , connected terminals with STAR which limits Ist
=Ifl/1.732*Ifl. Thus starting current can keep with in
limit.

Is This Answer Correct ?    10 Yes 1 No

what is the diffrence between dol and star delta strater? why star delta starter used instead of do..

Answer / erharisheee51

DOL TAKES FULL LOAD CURRENT WHERE AS STAR DELTA STARTER LIMITS THE STARTING CURRENT BY FIRST STARTS AT STAR THEN CONVERT IN TO DELTA , WHER EIN STAR IT LIMITS BY I/1.732, IN THE PLACE OF STAR DELTS STARTER WE SHOULD NOT USE DOL- DIRECT ON LINE STARTER , WHICH IMMEDIETLY STARTS AT FULL SPEED.

Is This Answer Correct ?    7 Yes 0 No

what is the diffrence between dol and star delta strater? why star delta starter used instead of do..

Answer / sivananda samantara

dol strater used in small amount of load sector,stardelta
strater used in big amount of load.stardelta used for
control first pick load then convert to normal by timer
setting.

Is This Answer Correct ?    6 Yes 2 No

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