Answer / amar dev

mim 0.1om

Answer / okon, james nsa

for LV 0.5, MV 1-5ohm

Answer / ferozuddin

minimum ohmic value will be even lees than 1 ohm which must
be calibrited during earthing.maximum value will be up to
10 ohms for example lightining protection system earthing

Answer / raj

Min less than .5 and Max 1

Answer / vinothbabu.k

min-0.1 ohms
max-0.5 ohms

how many poles we use in high power generation

1 Answers  

In dc motor starter there is less voltage required for holding contactor that's may why it is called no volt coil. but in ac starter why holding contactor is called no volt coil.

2 Answers   JSW,

what is the meaning of improving the power factor (give technical ans not therotical)

2 Answers  

why white color LED light is not possible?

1 Answers  

one conductor length is L.and i am strech uniformly this conductor and made length is 2L.so resistance of this strech conductor is R=4R..but i want to know about area of stech conductor hows it become a/2..

0 Answers   Infosys, ME,

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

0 Answers  

how we can calculate chiller required ampear?

0 Answers  

I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

0 Answers  

i want to put single phase load on scott connected transformer,eventhough how to balance the transformer.

0 Answers  

what is differance between dirty earthing and clean earthing and their applications

2 Answers   CB&I Lummus,

When the power Factor (p.f)is lead then how the Voltage can rises?

1 Answers  

what is the difference between capacitive voltage transformer & inductive voltage transformer.

3 Answers