pls tell about gas insulated substation?which gas is used
for that substation?above which rating we are used this
substation?how we take maintenance in that substation?it
means substation fully shutdown or live condition?if live
condition means how?pls clear this things
Each circuit-breaker bay is factory assembled and includes
the full complement
of isolator switches , grounding switches ( regular or make-
proof ),instrument transformers ,control and protection
equipment, interlocking and monitoring facilities commonly
used for this type of installation .The earthed metal
enclosures of GIS assure not only intensitivity to
contamination but also safty from electric shock.
* Above 66kV using GIS
Is This Answer Correct ? | 4 Yes | 2 No |
Define motor & pump?
What are the types of control system?
# 4 hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible my email id is sumit_lig189@yahoo.co.in
wat system call?
why we use four type of phase angle difference between pimary & secondry winding of a transformer & where we use them?
Dear sir, I am working in wind mill division , pls explain Pls explain in details with formula My question is Wind speed 3.5 M/s Gen RPM is 1500 ( 25 K/w Production ) Wind speed 12 M/s Gen RPM is 1500 ( 220 K/w Production ) Why in 3.5 m/s generation was low , why in 12 m/s generation was high , Pls dont explain wind force or wind density , that one already i know For the above question RPM was same why the KW was different Answer : 1. Its depends on the density ( Force ) of the air Sir , Pls explain wit Formula sir
33kv Rated output avilable in market (any where in india)
What is the voltage violating limit to be considered for load flow study? What is acceptable deviation limit according to relevant standards?
Why we use 2core cable for Dc motor.Can I use 3core?
5 Answers JK Paper, Maharaja Whiteline,
How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.
our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage
What is surger vector in 33Kv transmission feeder? We have AC power generator of 8MW which is paralleled with 33Kv EB grid. Some times our HT breaker gets trip off due to surge vector problem. How to over come it? Is there any device to observe the surge and avoid tripping?