What should be value of Circuit breaker operating time and
tripping time?
Answer Posted / arun
Circuit breaker closing tome 60 msec
triping time lessthan 40msec
| Is This Answer Correct ? | 8 Yes | 9 No |
Post New Answer View All Answers
from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?
why -48 volts dc used in telecommucation
WHaT IS THE CONCEPT OF INDUCTION LAMPS IN MODERN LIGHTINGS, and HOW IT WORKS TO EMIT LIGHT ( AS NO ELECTRODES ARE PRESENT ) ?" COULD INDUCTION LAMPS CAUSE INTERFERENCE WITH COMUNICATIONS INTO A STORE USING INDUCTION LIGHTING ? WHAT IS THE BENEFIT OF USING THE LOW FREQENCY INDUCTION LAMP , VERSUS LED , AND VERSUS FLUORESCENT, AND VERSUS ANOTHER KIND OF LIGHTING . THANK yOU MOISES GUINDI
what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors
do we use neutral grounding for resistive balanced load? if we use what happen?
what is meant by LCR meter? where its useful ?
What is principle of Floroscent tube 36watt.
Difference between control junction box (cjb) and power junction box(pjb)?
hi friend i am going too attend for hpcl in this month please help me by sending written test question papers i am in the stream of E.E.E
give me applications of sequence bridges . (used in 3 phase un balanced systems)
what is a bus post insulator? explain its application in a substation.
What is a Phase shift meter? Where can I get one?
What is the most important precaution in any experiment with d.c. Shunt motor?
Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)
Load transfer in 11kv double busbar switchgear - operation.