single phase 230v three phase voltage 415volt why we aren't
used line voltage 690v?
Answer Posted / guest
the phase difference between two phase are 415 V In steed of
three phase& also phase angle are 120 degree there fore 690 v
are not measured
Is This Answer Correct ? | 2 Yes | 6 No |
Post New Answer View All Answers
do anyone out there know where to find a compleete list on acronyms/abbreviations used in offshore electric engineering. MCB - Micro Circuit Breaker, MCCB-Mouldes Case Circuit Breaker, ELCB-Earth Lekage Circuit Breaker, ELMCB- etc.....
I am a possesor of c licence from 1993. I forgot to renew during the year 1998. During that time I was working at TNEB to till date. Is there any possibility to get renewed? or to apply for a new one?
can someone explain that how the speed of the protection system affects the fault level calculation?
What is meant by rotor?
why do we need to use 3c+3e cable, normally i select only 3c+e cable and i think it is enough. pls explain the usefull of 3e cable ( in this project the earthing system is well done)
if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?
From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?
how can i change the rotation of the AC single phase induction motor and show me by diagram
Tell me all plants load factors i.e which plant operating on which load?
Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???
how will calculate the safe starting current of 3-phase squirrel cage induction motor?
High speed earth switch operation with diagram
What is the classification of hydro projects based on installed capacity?
What is clock position of Transformer?what are the clock positions are there?and what is different of them?
If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?