we have 3*1 MW generator one NGR is common for all it will
be selected during paralle our problem is two generator ca
be paralled but when slecting third one we need to close
NGR selection on third one other wise voltage not matching
why?
Answer Posted / k.prakashchandra
To establish relationship between I/C generator and the grid / bus bar/ other two gen through earth
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
How to calculate phase to phase difference ?
If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables
3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........
in what type of applications v can use q meter?
How to calculate of maximum demand if given 628kw, 785kva, 0.8 p.f.
WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.
what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?
Why temperature rise is conducted in bus bars and isolators?
Why synchronous motor is used in power factor improvement,dc series in lift
what is the working process of over & under voltage relay.
Hello Guys !! i want to rrb section engineer electrical(signal) previous model papers? any body help me?
what is rating boiler
Is it possible to connect a safety device in to parallel?
why does make gain margin and phase margin on same plot.?
Define phase cross over?