Previous in Forum: IEEE 62 1995   Next in Forum: 3-Phase Electrical System
Close

Comments Format:






Change Mode
Close

Subscribe to Discussion:

CR4 allows you to "subscribe" to a discussion
so that you can be notified of new comments to
the discussion via email.

Close

Rating Vote:







Add Vote
3 comments
Rate Comments: Nested
Anonymous Poster

Power Calculation for Three-Phase Supply

06/03/2009 2:36 PM

in the power calculation for 3 phase supply power = sqrt3 VI Cos(pie) , from where did u get the sqrt3. plz answer
Reply
Interested in this topic? By joining CR4 you can "subscribe" to
this discussion and receive notification when new comments are added.
jack of all trades
Guru
New Zealand - Member - Kiwi Popular Science - Weaponology - New Member Engineering Fields - Power Engineering - New Member Engineering Fields - Electrical Engineering - New Member

Join Date: Sep 2006
Location: Auckland, New Zealand
Posts: 8777
Good Answers: 376
#1

Re: Power Calculation for Three-Phase Supply

06/03/2009 3:24 PM

http://en.wikipedia.org/wiki/Three-phase_electric_power

Also see previous similar threads on CR4, or perform a google or similar search.

__________________
 jack of all trades
Reply
elect-ok
Power-User

Join Date: Sep 2008
Location: Jakarta, Indonesia
Posts: 104
#2

Re: Power Calculation for Three-Phase Supply

06/04/2009 5:21 AM

Hi,..

it will be different answer if you ask to mathematician or if you ask to electrician.

for electrician, after that formula has been proven by calculation (by mathematician

or physician) and by oscilloscope,

then another job is to define & select cable, motor, type of protection, breaker

selection etc.
Reply
wareagle
Guru
United States - Member - New Member

Join Date: Jun 2008
Location: Alabama
Posts: 1604
Good Answers: 63
#3
In reply to #2

Re: Power Calculation for Three-Phase Supply

06/04/2009 4:55 PM

Check here http://cr4.globalspec.com/thread/31212
Reply
Reply to Forum Thread
Have a Different Question?
3 comments
Copy to Clipboard

Users who posted comments:

elect-ok (1); jack of all trades (1); wareagle (1)

Previous in Forum: IEEE 62 1995   Next in Forum: 3-Phase Electrical System

Advertisement

Got Something to Say?
Ask a Question
Start a Discussion

Search this Forum
Electrical Engineering:
Go

CR4 Sections
Aerospace
BioMech & BioMed
Chemical & Material Science
Civil Engineering
Communications & Electronics
Education and Engineering Careers
Electrical Engineering
General Discussion
Instrumentation
Manufacturing
Mechanical Engineering
New Technologies & Research
Software & Programming
Sustainable Engineering
Transportation

Site Directories
Forum Directory
Blog Directory
User Group Directory
RSS Feeds

CR4 Rules of Conduct
CR4 FAQ
Site Glossary

Who's Online (80 right now)
Show Members
Advertisement