On Sat, 15 Mar 1997 19:12:54 -0800, Hakan Ericsson <sm3lbn@swipnet.se> wrote:
>Hi folks.
>Tom W8IJ says regarding HV-power supply voltage drops.
>
><It is very typical to have less than 10% sag
><when a properly designed and constructed capacitor input supply is
><operated off a normal residential power line.
>
>Well,,I'm not a technical guru so the only thing I can do is to
>look in ARRL handbooks (or similar) and read transformer manufacturers
>specs. Also I look at the factory amps folks are using in there shacks.
>Not often, or more right to say never have I seen an amp with less than
>10 percent voltage drop. My friends AL1200 has more, and he is not able
>to get full US legal limit because to less drive, So he does'nt suck
>maximum current. (Yea,, I know some of it has to do with some drop of
>voltage from the house power line)
>More typical in real life is that amps PS drops abt. 15-20 percent.
>What do you say folks out there, do you look at your HV meters??
--------------------------------------------------
My AL-1200 under full power drops from 3500v to 3200v. 9.4%.
73, Bill W7TI
wrt@eskimo.com
--
FAQ on WWW: http://www.contesting.com/ampfaq.html
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
Sponsored by: Akorn Access, Inc. & N4VJ / K4AAA
|