RFI
[Top] [All Lists]

[RFI] Re: Topband: Local noise environment

To: "Doug Waller" <NX4D@comcast.net>, <rfi@contesting.com>,<topband@contesting.com>
Subject: [RFI] Re: Topband: Local noise environment
From: "Michael Tope" <W4EF@dellroy.com>
Date: Mon, 16 Feb 2004 22:06:18 -0800
List-post: <mailto:rfi@contesting.com>
From: "Doug Waller" <NX4D@comcast.net>

> At Buzz City, Florida, a 50 kVa line passes within one half mile of the
> house.  When the summer air conditioner season begins, the power company
> throws in a capacitor bank, which corrects the power factor.  These
> capacitors, which look like large transformers with several cooling fins
and
> only one wire out the top, generate a plethora of harmonics and nasty
> noises.  The background noise level is raised 5 dB or so on 160m, but
> listening to it on AM does not reveal a power hum, but more of a frying
> sound.

Doug,

What is it about those capacitors banks that generates so
much noise? In principle I would think that a capacitor wouldn't
generate any extra noise unless there was some arcing going on
in there, or am I missing something fundamental?

Thanks,

Mike, W4EF............................



_______________________________________________
RFI mailing list
RFI@contesting.com
http://lists.contesting.com/mailman/listinfo/rfi

<Prev in Thread] Current Thread [Next in Thread>