In DC while we mention the voltage we are using -48V but in
case of AC we mention only 230V not -230V, why we using -48V
not 48V
- 2 Answers
- 4137 Views
- I also Faced
- E-Mail Answers
Answer Posted / naren
when we are measureing dc voltage in negative circuit we
have -48V DC , but in AC there is no negative supplay and
hance we get 48V AC from Phase to Nutral as well as Nutral
to Phase.
| Is This Answer Correct ? | 2 Yes | 4 No |
Post New Answer View All Answers
wat system call?
what is the principle of operation of tungstun bulb ??
What is the different between digital phase converter and ordinary phase converter?
Dear sirs, pls check this 4-20ma to RS485 module datasheet,pls guve me some suggestions. http://www.szsunyuan.com/sy/pro_more.asp?Productid=539 Thanks. E-mail:yunianjiang99@gmail.com
what is the clear formula to calculate cable size for a load
What is the meaning of HT Trivector Meter ?
What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?
What is resonant frequency?
Whats the minimum value for I.R. that can be allowed for HT & LT alternators for operation?
How to select transmission line type (i.e. 11kv or 33kv) for new established industries
What is Auto Mains Failure Panel & Auto Synchronizing Panel
can u give me a brief idea about power line carrier communication ??
we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause.
which is the best institute for PLC,SCADA,DCS in hyderabad
15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help
