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

Answer Posted / romal

sf6 & some where air blast ckt. breaker

Is This Answer Correct ?    9 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Make a list observation on Transformer?

1938


The size and construction of bushings in a transformer depend upon?

1197


how to estimate wiring ins roughing ins. and boxes

1963


My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

1597


what work will do diffrential realay DG set

2335






Difference between on line capacitor and Station type capacitor

1565


Explain mechanical rotational system?

641


what is lrs tank water resistance.

2081


what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW

8046


hi frnds...pls send me aptransco previous papers .....pls..pls,,,(madhar.rocking@gmail.com)and suggest me some websites

1710


What is Meter MF if External CT Ratio is 150/1 , PT Ratio is 132/110 Meter CT Ratio is 200/1 & Meter PT Ratio is 110/1

1340


What is the difference between shortcircuit current, rated current of cable & MCB with example? What will be the size of cable required for 5.5 KW motor (Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.

1591


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?

1751


How to calculate wire length,size & current? ( related to control panel)

1678


why the voltage and current in a long transmission line are called travelling wave?

1790