Answer / ravi sekhar

its used for the high ratin of mcb its not tripped

which metal use as a electrical shunt?

2 Answers  

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Difference Between Differential Relay and Restricted Earth Fault Relay of Power Transformers

1 Answers   KSEB,

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how to calculate percentage impedence at 75 deg C at normal tap

0 Answers  

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Can I Drain A Oil For Sample When The Transformer is Running? (Charged)

2 Answers  

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Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?

0 Answers   Bernhard Schulte Shipmanagement,

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how can we select the appropriate VCB ?

0 Answers   Reliance,

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Why not connect relay Y phase for over current and earth fault

1 Answers   HB,

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AC is the magnitude of sinosudial-wave but we use cose value to determine power factor instead of sine value.

2 Answers  

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show that power dissipated by a pure inductor exited by a sinusoidal voltage source v = vm sin wt is zero

1 Answers  

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Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

0 Answers   Siemens,

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Why is a synchronous motor always star connected??

0 Answers   Bhushan Power Steel,

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In 1000KVA Transformer why does we connect HT with delta connection and LT with star connection.Illustrate by showing formula?

4 Answers   Tata Motors,

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