Difference between DOL starter & star Delta Starter? And
where the Dol starter used upto how much HP and whereas
Star Delta vice versa?
Answers were Sorted based on User's Feedback
Answer / tamil arasu
DOL STARTER STARTING CURRENT IS HIGH.DOL HAVE IN STARTING
TIME MORE THEN 3 TIMES OF NOMINAL CURRENT.BUT S/D STARTER
STARTING CURRENT IS LOW.DOL STARTER NEED 1 CONTACTOR AND
1OLR, S/D NEED 3CONTACTORS,TIMER AND 1OLR FOR FULLY
AUTOMATIC.SEMI S/D NOT NEED FOR TIMER.
UPTO 5 H.P DOL STARTER USED.AND MORE THEN 5H.P USED S/D
STARTER.BUT DOL STARTER ALSO USED FOR ABOVE 15 H.P
ACCORDING TO THE LOAD.INCASE OF WE USING 10H.P MOTOR FOR
WATER PUMP WE HAVE SELECTING DOL AND WE USING FOR SAME H.P
MOTOR FOR MILL WE SELECTING STAR/DELTA.
|Is This Answer Correct ?||24 Yes||1 No|
Answer / govindaraj
upto 5 hp dol starter is used.
upto 25 hp star delta starter is used
|Is This Answer Correct ?||16 Yes||11 No|
Answer / guest
On DOl Starter it needs one Magnetic Contractor and in Star
Delta Starter it needs three magnetic Contractor
|Is This Answer Correct ?||11 Yes||8 No|
what is real time system type definition
In iduction motors the current is higher than normal for both the cases when the voltage appllied is more than the rated as well as less than the rated, why?
upto how much low RPM we will run the commercial motor which is run through VFD without any problem occurs in motor.Motor rating Duty is S1 & RPM is 1400.
What is switching over voltage?
how dc ct works?
How is earthing done in Aerospace applications such as Flights and spaceships..?
Are we do it in single transformer with dual primary as 11 KV and 33 KV and constant output as 415 Volts?.
How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?
WHaT IS THE CONCEPT OF INDUCTION LAMPS IN MODERN LIGHTINGS, and HOW IT WORKS TO EMIT LIGHT ( AS NO ELECTRODES ARE PRESENT ) ?" COULD INDUCTION LAMPS CAUSE INTERFERENCE WITH COMUNICATIONS INTO A STORE USING INDUCTION LIGHTING ? WHAT IS THE BENEFIT OF USING THE LOW FREQENCY INDUCTION LAMP , VERSUS LED , AND VERSUS FLUORESCENT, AND VERSUS ANOTHER KIND OF LIGHTING . THANK yOU MOISES GUINDI
Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.
How the field flux is controlled in DC drive ?
when a airgap of the induction motor gets larger does it draw more current ??? does it power factor gets lower?