Previous in Forum: Combining a Diesel Generator with a Solar System   Next in Forum: Petersen Coil and Capacitive Charge Current
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
5 comments
Rate Comments: Nested
margani
Member

Join Date: Nov 2008
Posts: 8

Generator Sizing

05/16/2011 5:26 AM

What factors iconsider in generator sizing
Register to Reply
Interested in this topic? By joining CR4 you can "subscribe" to
this discussion and receive notification when new comments are added.

"Almost" Good Answers:

Check out these comments that don't yet have enough votes to be "official" good answers and, if you agree with them, vote them!
PWSlack
Guru
United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 32175
Good Answers: 839
#1

Re: Generator sizing

05/16/2011 5:56 AM

For what load?

Like this?

Like this?

__________________
 "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
Register to Reply Score 1 for Good Answer
No more "Almost" Good Answers.
hien.nguyenquoc
Power-User
Engineering Fields - Mechanical Engineering - New Member Engineering Fields - Electrical Engineering - New Member Engineering Fields - Construction Engineering - New Member

Join Date: Sep 2009
Location: BH, Vietnam
Posts: 435
Good Answers: 1
#2
In reply to #1

Re: Generator sizing

05/16/2011 9:56 PM

Voltage? Phase?

__________________
 Anything that can go wrong, will go wrong
Register to Reply
margani
Member

Join Date: Nov 2008
Posts: 8
#4
In reply to #1

Re: Generator sizing

05/17/2011 7:43 AM

starting current 400Ampere/phase

operating current 250Ampere/phase
Register to Reply
pnaban
Guru

Join Date: Jun 2010
Location: srilanka
Posts: 2725
Good Answers: 5
#5
In reply to #4

Re: Generator sizing

05/17/2011 11:22 AM

Generator capacity has two components,kW and kVA or pf. During starting pf will be low

but current high. During running current and pf are known.If you measure the voltage and pf during running as well as during starting you can calculate kW of engine as well as kVA of alternator.

__________________
 pnaban
Register to Reply
pnaban
Guru

Join Date: Jun 2010
Location: srilanka
Posts: 2725
Good Answers: 5
#3

Re: Generator Sizing

05/17/2011 5:37 AM

You should take into account the total connected load,diversity,load characteristic etc

__________________
 pnaban
Register to Reply
Register to Reply
Have a Different Question?
5 comments

"Almost" Good Answers:

Check out these comments that don't yet have enough votes to be "official" good answers and, if you agree with them, vote them!
Copy to Clipboard

Users who posted comments:

hien.nguyenquoc (1); margani (1); pnaban (2); PWSlack (1)

Previous in Forum: Combining a Diesel Generator with a Solar System   Next in Forum: Petersen Coil and Capacitive Charge Current

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 (66 right now)
Show Members
Advertisement