Why are tertiary windings used in transformers?

2 Answers  

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What is OT in a transformer, specify its function.

2 Answers  

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-How do you select cable size for a given load at a given distance from source of supply. How do you find voltage drop.

0 Answers  

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What is the basis for framing the rules of block diagram reduction technique?

0 Answers  

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What is sensitivity of a measurement?

0 Answers  

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What is the range of efficiency of thermal or steam power plants? Why it is so low?

2 Answers  

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How the unidirectional torque produced in dc motor

2 Answers   CGL, Sail,

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define excitaton voltage and excitation current?

2 Answers   Allied Group,

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What is the difference between EARTH & NEUTRAL?

13 Answers   L&T,

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WE HAVE A PROBLEM THAT THE MAIN DRIVE OF OUR CEMENT MILL HAS AN EARTHING PROBLEM?TWO OF STATOR WINDINGS INSULATION HAS BEEN COLLAPSED DUE TO AGING PROBLEM.THE PHASES HAVE BEEN BYPASSED AND NOW THE LOAD HAS BEEN INCREASED.WE CAN'T REPLACE THE MOTOR.KINDLY HELP ME BY GIVING SUGGESTION THAT HOW TO MAINTAIN THE STARTING TORQUE AND CURRENT FOR HIGH LOADS.

1 Answers   ACC,

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What is Hi-Pot Test for Grid Station HV Equipments?

2 Answers   Siemens,

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If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.

0 Answers   Usha Capacitors,

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