Answer / k.prakashchandra

1) to check the growth of vegetation 2) to reduce touch and
step voltages 3) to offer an anti-skid surface

Answer / pallab phukon

if during rainy season ,water may form any conducting path
causing short circuit,so to prevent this stones is used.

Answer / ramandeep

There are many points in switchyard which are earthed,so to provide low resistance path,we should have to increase moisture in soil and when there is raining water easily absorbed by earth or soil which increases moisture and provide low resistance path by which fault current easily transfer to ground and the stones which are used at switchyard work as a insulation b/w wet soil and living body or human.

What is the avergae difference between OTI and WTI for EHV Power transformer?

7 Answers  

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practicalLY what is impedence ...?

2 Answers  

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What is meant by stator? What is meant by rotor?

0 Answers  

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What is Single Phasing fault???(not single-phase fault)

6 Answers   ABB,

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what is transformer?

4 Answers   Mphasis,

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what is the significance of tan delta testing?explain the theory?

7 Answers  

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Z transform is use when system is not a) converges b) diverges

0 Answers   CCP,

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Why is back emf used for a DC motor? Highlight its significance.

0 Answers   ABB,

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Define transfer function?

0 Answers  

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Here iam a question with SYNCHRONIZATION PANNEL related issue, as i want to design a SYNC.pannel board iam giving the 2 nos of 1MVA Generators to sync pannel , then what wil be the out put of the sync pannel, whether it wil be one cable coems from the sync panel or two cables.. as iam using two transformers to meet my load demand, so pls clear me whether two cables comes from sync panel to connect to transformers or only one cable

3 Answers  

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Reduction in supply voltage by 10% will change the torque of the motor by ___.

1 Answers   UGVCL Uttar Gujarat Vij Company Ltd,

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What is the intent of short circuit studies?

3 Answers  

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