when we are going to higher voltage level in substations why
we are using Sf6 circuit breakers instead of Vacuum circuit
breakers.
Answer Posted / shanmugam.s
It is a better Arc quenching medium, So when the voltage
level raises we go for SF6 breakers instead of Vacuum
Circuit breakers.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Dear Sir I am living in Jaipur Rajasthan now I did complete my b tech degree in electrical engineering in 2012 Sir how I gate certificate of competency for electrical supervisor
state working of halogen lamp?
A cotter joint is generally used to transmit
can we synchronize star system generators with delta system transmission line ? and how ?
If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?
What is power in wattage of 8.5 TR AC
the winding of Generator and Motor is star or in delta ? and why
my diploma certificate in my higher education college
what is difference between 2 pole structure and 4 pole structure in transformer yard
Explain the advantages and disadvantages of hydropower plant?
75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?
1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor
The advantages of Magnetic flux leakage technique over Ultrasonic technique for non distructive testing of material.
Explain Continuous and Discrete signals?
What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?