I'm sure the Utilities Commission or what ever government board that
over-sees the utility companies in your area would like to hear of that
attitude......Ever thought of contacting them ??
73
Jim W7RY
-----Original Message-----
From: Mark Brown <kb0pyo@rconnect.com>
To: Roy Koeppe <royanjoy@ncn.net>
Cc: amps@contesting.com <amps@contesting.com>
To: <amps@contesting.com>
Date: Sunday, January 31, 1999 10:02 PM
Subject: Re: [AMPS] 3-500Z filament voltage
>
>Hi All
> Complaints to Northern States Power about line voltage
>running high (currently 124volts, was 128 earlier) got the
>comment that it is more efficient & we aren't going to
>adjust it down. Light bulbs have a VERY short lifespan here
>but most of the solid state stuff doesn't care, only have
>filament voltage problems & I use a small variac for that.
> Mark
>
>
>Roy Koeppe wrote:
>>
>> Monty...
>>
>> For gosh' sakes, contact your power company about that outrageously high
>> line voltage! They are supposed to keep it well within specified
limits--not
>> nearly that high. They will come out and adjust it for you. (It must have
>> been coffee-shop time when they installed that polepig, and forgot to
return
>> after the 1-hour break to adjust the tap). That much voltage can damage
>> other appliances as well as fils. Of course, maybe you like the boosted
QRO
>> from the B+ increase?
>>
>> 73, K6XK
>>
>> -----Original Message-----
>> From: Monty Taylor <montytaylor@texoma.net>
>> To: Amplifier Reflector <amps@contesting.com>
To: <amps@contesting.com>
>> Date: Sunday, January 31, 1999 8:06 AM
>> Subject: [AMPS] 3-500Z filament voltage
>>
>> >
>> >I have just reduced my filament voltage on the 3-500Z's in my Linear
from
>> >5.75 volts to 5.00 volts, added 40 ohms in the primary of the
transformer,
>> >with no load or drive. If I drive the amp to 600ma, for example, what
is
>> an
>> >acceptable voltage drop that could I expect and the ramifications of
such a
>> >drop. The secondary filament leads are only six inches long and appear
to
>> >be #10 or #8 stranded wire. The transformer previously supplied the
current
>> >without getting warm. The reason for the high filament voltage is due
to
>> >the 248 VAC furnished by the local electric utility. Helps my High
Voltage
>> >Power supply though!!! I would appreciate any and all comments,
>> theoretical
>> >or experience.
>> >
>> >Monty/WB5GLB
>> >
>> >
>> >
>> >--
>> >FAQ on WWW: http://www.contesting.com/ampfaq.html
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>> >Problems: owner-amps@contesting.com
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>> >
>>
>> --
>> FAQ on WWW: http://www.contesting.com/ampfaq.html
>> Submissions: amps@contesting.com
>> Administrative requests: amps-REQUEST@contesting.com
>> Problems: owner-amps@contesting.com
>> Search: http://www.contesting.com/km9p/search.htm
>
>--
>FAQ on WWW: http://www.contesting.com/ampfaq.html
>Submissions: amps@contesting.com
>Administrative requests: amps-REQUEST@contesting.com
>Problems: owner-amps@contesting.com
>Search: http://www.contesting.com/km9p/search.htm
>
--
FAQ on WWW: http://www.contesting.com/ampfaq.html
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
Search: http://www.contesting.com/km9p/search.htm
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