Answer / suresh modi

Suddenly Increase current

Whats the principle of lightning? How protection against lightning is achieved? Types of protection? How to select the height of lightning spike? as per the area.

4 Answers   HAL,

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why voltage swells and dips???

3 Answers  

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How the Oil Surge Relay works? How it protect the OLTC?

3 Answers   JSL,

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application s to shunt coil

0 Answers  

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what is the basic principle of the alternator ????

2 Answers  

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sir, What is the purpose in Generating power plant is operated Lagging PF and Above 0.9 lag PF?

3 Answers  

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how netral CT is selected (including its details specification)

8 Answers   ABB, ABC, dbpl, Mecon, Shree Engineering, Tapasya Transformers,

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why we permissive overreach in distance protection.where it is applicable to use in long r short lines

0 Answers  

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Why different values of B’s (magnetic flux density) are chosen for DC machines and Induction Motors?

1 Answers  

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What is oscillator circuit?

0 Answers  

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WHAT IS DIFFERENCE BETWEEN idmt and instentanous relay? is idmt is used as back up protection or else?or when instantenous relay saturates IDMT will operate???

1 Answers   BK, REL,

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what precautions to be taken while desigining a LT,HT panel. Eg-LT panel PCC panel with ACB installed. HT panel VCB panel with VCB installed. & what is main diffrence betwn IP54 & IP55 construction of panel.

0 Answers   Bhel,

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