HOW many type of Circut Breaker in the world used in 400 kv
substation?

Answer Posted / raju pal

befor we are using ABCB type out door circuit breker.
now we are using sf6 fild out door circuit breker, like
abb , areva, simens are manufactur.

Is This Answer Correct ?    23 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is a slack bus?

646


Safety of dry type transformer

1488


What are the commonly used schemes for the bus zone protection?

549


I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?

1222


What is the practical way to calculate the cable size for known ampere load?

945






In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?

1258


what about GD square and its important for motor design?

3292


sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls

1786


What is the safety of UPS?

1290


Difference between transition and diffusion capacitance

2337


How do you compute voltage drop and cable size over distance?

1761


Why synchorised generators are used for the production of electricity?

718


I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.

1931


What is miller crystal oscillator? Explain its operation?

683


what is proper capacitor placement? How to evaluate capacitor size?

1651