Answer / sunil singh

if we are not using oil in transformer than generally it's
size must be increased as possible as we can,, in this way
it's size increases so many times to provide insulation as
well as cooling......

Answer / dharmarajsinh

cooling of transformers are based on rating of
transformer.however if oil is not to be used for same
rating than insulation lavel will be increes and than for
cooling force cooling to be provided and altimatly size of
transformer will increases.

What is the use of Surge Capacitor in LAVT?

1 Answers   Snipe Engineers,

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what are the specifications we must look at to select a relay for any capacity motor?

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What is the role of the 50 STUB protection at a GIS 400KV substation with SIEMENS protection relays?

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can a rotating machine give the DC output without commutator? if yes, how? if no, why?

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when power transformer is flashed which gas is produce in side?

5 Answers  

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Difference between induction motor and synchronous motor? i Think Synchronous motors operate at synchronous speed (RPM=120f/p) while induction motors operate at less than synchronous speed (RPM=120f/p – slip). Slip is nearly zero at zero load torque and increases as load torque increases am a right pls guide & send Other Comments

5 Answers   Jindal,

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