Can anybody tell me what the breakdown voltage is for air and what it is for transformer oil please?

4 Answers   Pooja Cables,

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What is mean by % impedance of transformer? detail explanations expected.

1 Answers   FCUK,

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What happen if two protection core (3p) of VT in LAVT are 11kv/root3, 110v/root3 and one protection core (3p) is 11kv/root3, 110v/3

1 Answers  

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Why does capacitor block dc supply?

5 Answers   Bhel,

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working principle of UPS

15 Answers   Mantri,

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Why we use Fuse in transformer in secondary side.Why we dont use fuse in primary side?

1 Answers   Care,

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why overcurrent fault occurs in power system.

1 Answers  

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what is the burden?accuracy?Knee point voltage? what is the Alternator of PGM?

0 Answers   L&T,

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A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03

0 Answers  

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what is the function of choke and starter in a tube light??

2 Answers  

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Resistance of low voltage side of transformer compared to high voltage side is A less B equal C more D depens on design

1 Answers  

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two bolbs of 100w and 40w respectively connected in series across a 230v supply.which bolb will glow bright and why?

16 Answers   DRDO, PSPCL, Siemens,

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