OT: was Power supply musings

[J. Larry Hendry]

> From: Tim Ressel <Tim_R1 at verifone.com>
> 
> As to line voltages, I have a bit of experience here, being an HP test
engineer.
> The limits vary with product usage and go as low as 96 volts. For the
stuff we
> all get into, the test level would be 108 volts on the low side. There is
also
> dropout conditions, surge, lightning (fast transient), frequency shifts.
And
> even though suppliers of high-pressure electrons are not supposed to dip
below
> some magic level, during the summer here in semi-arid California when
those
> coolers all snap on you better believe the line drops!

It happens everywhere during air conditioning season Tim.  However, unless
people complain, nothing gets done.  In theis upcoming era when people will
get to "choose" their electric companies (in the USA), reserve margins are
being crushed to maintain low prices and some form of profit.  It will get
worse.

Larry Hendry