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Re: [CQ-Contest] Power consumptioin question for Alpha amps

To: "CQ contest reflector" <cq-contest@contesting.com>
Subject: Re: [CQ-Contest] Power consumptioin question for Alpha amps
From: "Chris Tran GM3WOJ" <zl1ct@gm7v.com>
Date: Tue, 18 Dec 2007 17:05:02 -0000
List-post: <mailto:cq-contest@contesting.com>
Hi Tony et al

>I have found  a 5000 watt I have found  a 5000 watt Voltage Converter 

Maybe you could describe what type of 'Voltage Converter Stabilizer' this is 
Tony - in the early days these often were a type of saturated transformer, 
but I'm guessing it's likely to be some sort of more modern electronic 
stabiliser ?

5000W sounds a lot, but I would try to test the unit if possible before 
purchasing - take a 3kW fan heater and an analogue testmeter - pulse the 3kW 
load and see how good the regulation of this unit is. If possible look at 
the output waveform on an oscilloscope - it will probably not be a very good 
sine wave.

2 x Alpha amps need a lot of peak available current - you may end up with no 
better regulation and $$ out of pocket !

Chris   GM3WOJ/ZL1CT

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