Answer / sak

SF6 is a good insulator medium, it takes less quenching time, thats why it is used on high voltages

Answer / hasan mehdi

Bcoz it has high arc quenching.

Answer / ankit_17aug

gas qunching good meduim then use

Answer / eedeepak

sf6 is the best material till now because it's ability to extinguish arc

Answer / manju

In ht side current is very low

where do we connect tap of tap changer, to H.V. side or L.V.side? and why?

5 Answers   Vedanta,

IF 3 NOS.OF HEATERS,3KW CAPACITY EACH,1 NO.HEATER CONNECTED IN R PHASE,1 IN Y PHASE AND 1 IN B PHASE.THEIR END POINTS CONNECTED IN STAR.IF I CONNECT THIS STAR POINT TO NEUTRAL OR DO NOT CONNECT TO NEUTRAL.WHAT WILL THE DIFFERENCE.

3 Answers  

What is the advisble power factor to be maintained in grid connecting power generation plnats without any effecting the generator.

1 Answers  

How to convert KVA rating into HP rating?

6 Answers   AITM,

what is the ms flat constant for calculating earth mat design calculation?

0 Answers  

what law motor works?

3 Answers  

how to calculate the MF in meter reading

2 Answers  

How to calculate the heat load for a electrical room

0 Answers  

What is switch gear? How it is work ?

1 Answers   AbaQulusi Municipality, Lupin,

why transformers rating are in KVA

5 Answers  

60 watts bulb and resistor home heater is connected in series and 230v is given to the circuit. The heater is giving some amount of heat. If instant of 60 watts bulb replace 100 watts bulb what will be the output of the heater?

2 Answers   NPCIL,

what is relation between ct and pt ratio with multiplication factor of a energy meter? is there any other factor on which multification factor depend?

0 Answers