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 will be happen if we apply D.C supply to the transformer

14 Answers   CCBPL,

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how to maintain frenquncy with syncronising sub-station for distribution

0 Answers   Suzlon,

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In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

0 Answers  

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neutral carrying current more than phase in 3phase supply.i want to know the reason?

2 Answers  

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how to match 0 -10V with 4 - 20mA

3 Answers  

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HOW TO CALCULATE BATTERY BACKUP TIME & AH CAPACITY AGAINST UPS KVA RATING?

2 Answers  

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how to calculate power

3 Answers  

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what happen if we give square wave instead of sine wave to the transformer

8 Answers  

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what is the formulae for selcting capacitor bank to increas pf

3 Answers  

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two generator runnig with parallel but only one NGR on And one off Why

1 Answers  

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How to take Vector group test of Transformer?

16 Answers   Sunflag Steel, Zuari Cements,

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How to desaturate a saturated CT of PS Class?

4 Answers   Electrical,

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