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: "Klaus Vestergaard Kragelund"
References: <email@example.com> <firstname.lastname@example.org>
Subject: Re: Strange behaviour - core saturation puzzle
Date: Sun, 19 Jan 2003 16:55:01 +0100
X-Newsreader: Microsoft Outlook Express 6.00.2800.1106
Organization: TDC Internet
"Tony Williams" wrote in message
> In article <email@example.com>,
> Klaus Kragelund wrote:
> > My problem is that the test is done perhaps once a second and the
> > saturation current reaches some level - lets say 10amps. But if I
> > increase the frequency of the test - the saturation level moves down
> > to perhaps 8 amps. Does anyone have an explanation for this?
> It sounds like you need to do a better resetting
> of the core between pulses. Let it have a flyback
> voltage that is larger than just one diode drop.
> As an experiment try about 6 diodes in series, see
> if that changes the apparent ampere-turns at which
> the current curls upwards.
> Tony Williams.
Good suggestion - I'll try it back to work tomorrow :-)
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup