where we use stardelta starter and dol starter

Question Posted / anilnandyala

4 Answers
16903 Views
HCL, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

where we use stardelta starter and dol starter..

both are use in motor ,The purpose of stardelta starter is
to limit the starting current of motor.If the starting
current is low means we can use dol starter upto 5 hp
motor.above 5 hp motor we should use stardelta starter for
limit the starting current.

Is This Answer Correct ?

43 Yes

4 No

where we use stardelta starter and dol starter..

Answer / nimish

where rating of motor is below 5 h.p. normally D.O.L.
starter is used and above that star delta starter is used to
limit the starting current.

Is This Answer Correct ?

14 Yes

0 No

where we use stardelta starter and dol starter..

Answer / nagaraj n salimani

DOL starters are used when motors are below 3.5Kw and if you
go above 3.5 Kw then we have to go for star delta connection.

Is This Answer Correct ?

12 Yes

12 No

where we use stardelta starter and dol starter..

Answer / simon peter

Star delta r used in more than 3hp ,3phase squrrel cage induction motor & DOL 3 to 5 hp single squrrel cage motor.....

Is This Answer Correct ?

1 Yes

4 No

Post New Answer

More Electrical Engineering Interview Questions

to operate air conditioner of 1.5ton what power of generator is required

1 Answers Bharat,

when meggering a 3ph,480v oil reservoir heater on a regen gas compressor, why do I get a reading to ground when meggering phase to ground? shouldn't it read opened or is there something that makes it read closed? on the same heater, when ohming, it reads open. thanx

1 Answers

Iin ESP why positive is grounded ? why not negative ?

0 Answers

What is difference between incomer & outgoing type Vaccum Circuit Breaker?

2 Answers VBG,

What is GD2(kg-m2) for Sq. cage ind. motor?

2 Answers ABC, Essar, MMM,

WE are using a 63A MCCB(SIEMENS MAKE) for one of the feeder in LV substation panel.It is supplying to a lighting & power socket DB.Settings in the MCCB is Ir = 63 * 1 , Isd = 8 times of Ir , tsd = 0.5 sec( I2 t off). Sometimes this MCCB is tripping .But no trip in DB MCB. Can anybody tell me reason ? From where i can know about the MCCB settings?

5 Answers

What will Happened if the polarity of CT is changed?

13 Answers

What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

0 Answers AFG, Afghan Telecom, GE, IBM, SECL, Sun Pharma, TNPL,

In AC Drives How can change & control its output Frequency?

5 Answers Jindal,

WHAT is the no of starts/hr for 3.3 KV, 300 KW motor. Motor is vertical flange type.

1 Answers DAE, Siemens,

difference between a diode and thyristor?

0 Answers

How can we convert dc to equivalent ac??

4 Answers

For more Electrical Engineering Interview Questions Click Here