Answer / k.prakashchandra

DOL starter is used for small motors having thin winding
wire of considerable resistance .Hence starting current will
not be very high.

Answer / guest

dol starter in used porpos in to limit the starting current

In case you don't have coal and salt for earthing, how can you achieve good temporary earthing?

1 Answers   Focus Energy, NHPC, ONGC,

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why we use four type of phase angle difference between pimary & secondry winding of a transformer & where we use them?

0 Answers   Grasim,

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WHICH SIZE A.B.CABLE IS USED FOR 11KV.

0 Answers   Novel Tech Park, Power Grid,

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Electricity sometimes can be dangers , sometime got shoked form it . It is because of volatge or Current

6 Answers   Kirloskar,

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1))why we run three phase or three different circuit from a single conduit 2)) why not two circuit of different phase run in same conduit?? and why we run same three cicuit of same phae run in single conduit??

0 Answers   ACC,

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What is the meaning of loop in transformer

0 Answers   AST,

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What is EMC filter in VVVF Drive ?

0 Answers   Bengal Energy,

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what are the types in Relay?

1 Answers   PLA,

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Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?

0 Answers  

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I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?

0 Answers   Siemens,

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Why r used of cable 50sq.mm and above size cable in 3.5 core. And below size in 4 core ? any technical reason please explain it

2 Answers  

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what is the difference between a race around condition and toggling?

1 Answers  

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