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Re: [Amps] ALPHAs and momentary power outages

To: <>, <>
Subject: Re: [Amps] ALPHAs and momentary power outages
From: "Tom W8JI" <>
Date: Mon, 16 Jul 2007 14:31:17 -0400
List-post: <>
> In my business I have 4 3000Va units powering my server 
> rack.  Plus we also
> have 7 -1400Va units and a host of 1250 and 600Va units.

Because most linears use capacitor input supplies, the power 
factor is huge. Even a 6000va supply is marginal for a 3000 
watt amplifier load.

Better look for a 10000va if you don't want to add to wabble 
in HV.

An additional problem is the off and on load. It'll tear 
some supplies up. I had a 4kVa catch fire when the voltage 
ran up over 200 volts during the space between CW 
characters.Using only an ALS-600 amp on 120, and that is 
choke input with a good power factor!

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