The American National Standard for Electric Power Systems and Equipment
allows the service range for nominal 240 VAC mains to be 228 - 252 VAC. The
utilization range extends to 254.4 VAC.
Find the reference document here:
http://www.pge.com/includes/docs/pdfs/mybusiness/customerservice/energystatu
s/powerquality/voltage_tolerance.pdf
Doug Ronald
AE6SY
-----Original Message-----
From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of Bill Turner
Sent: Wednesday, June 25, 2014 11:18 AM
To: amps@contesting.com
Subject: Re: [Amps] Buck-Boost Transformer Selection
ORIGINAL MESSAGE: (may be snipped)
On 6/25/2014 10:05 AM, Richard Solomon wrote:
> I have a lead on a late production Quadra so I guess I better invest
> in a B-B Xfmr to get my sometimes 250 volt line down to something
> acceptable to my new little friend.
REPLY:
This isn't what you asked, but you really need to get the power company to
fix your over-voltage problem. Anything in your house that runs off of the
240 line is susceptible to damage. Fix that and you won't need a
transformer.
73, Bill W6WRT
dezrat@outlook.com
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