The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
From: "Phil Allison"
Subject: Re: How to test a power t-former for Amp rating?
X-Newsreader: Microsoft Outlook Express 5.50.4522.1200
Date: Wed, 20 Nov 2002 22:17:20 +1100
NNTP-Posting-Date: Wed, 20 Nov 2002 22:06:55 EST
Organization: Telstra BigPond Internet Services (http://www.bigpond.com)
"Ban" wrote in message
> YoScotyBoy wrote:
> > HELP. I have a large collection of power transformers taken out of
> > scrapped larger wattage power amps and would like to utilize them in
> > my projects instead of buying new all the time but have been unable
> > to figure out how to test the secondaries for current rating? Voltage
> > was easy, but ohm's law didn't seem to do the trick. Any help would
> > be greatly appreciated. Thanks!
> you cannot measure electrically the rated power of a transformer.
** Oh, but you can make a very good estimate though - just from the
If you like to tell me the primary ohms and the nominal mains
120 or 240 ) I can give you the maker's nominal VA rating to a good
Care to give it a go ?
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup