Answer / maning

Shunt Trip

Answer / karthik raman.b

it may be switching transformer

Answer / jim sreedharan

ST is service turret( used to provide power supply to
plots/ residential villas).

Answer / mostafaghodrat

acb:
air circuit breaker
motoraise
2type:
1- with protection
2-without protection
vcb:
vaciuum circuit breaker

Advanced
To prevent the creation of the Arc, the contacts are located
inside the vacuum chamber.

Answer / venkatesh s.r

super tension

Answer / venkatesh sr

spring tension

Answer / bhaskar reddy

it may be meaning of st is small tension

how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.

0 Answers   Adani, Mahaveer,

Can I use less voltage cable for neutral, since the voltage of return path is zero ideally?

3 Answers   Vijai Electricals,

i want to know how to calculate the battery capacity based on the UPS . ex i want to run have one kva UPS Which should run 10 hours ? in that case how many batteries to be installed and what will be the AH Value .

2 Answers  

What is the function of Lightning Arrester & Wavetrap in Power system ??

18 Answers   ABB, Bhel, Energy Infratech, Infosys, NTPC,

Use of switch mode power converter in real-time basis?

0 Answers  

AP Transco Assistant Engineer (Electrical) Model Question papers

2 Answers   APTransco, HCL, Tranco, UPSC, VMware,

what is sinwave ups

1 Answers   Exide,

how do we calculate cable sq mm size,that if 50 A load

2 Answers   GTL, PowerTech,

what is the minimum distance between substation wall and LT panel outer surface?

3 Answers   L&T,

define frequency ?

14 Answers   KPTCL,

If we give 2334 A, 540V on Primary side of 1.125 MVA step up transformer, then what will be the Secondary Current, If Secondary Voltage=11 KV?

3 Answers   L&T,

what is stray loss in transformer?

19 Answers   Vijai Electricals,