On Tue, 8 Mar 2011 10:27:33 +0000, Ian Jackson wrote:


Before Christmas, the typical 'normal' voltage was 230V, occasionally
going up to 235. However, when the really cold weather started, after
around 5pm, the voltage would start to drop and, on several days,
regularly fell to 215V. The lowest (checked on a couple of digital
meters) was 214.4V.

Routine load shedding, it's been happening for decades. 5% then 10% load
shed, acheived by a voltage reduction, I'll let you work out the percentage
reduction in voltage to get the reduction in load.

After that it's rota disconnection as happened in the 1970s.


--
The Wanderer

Computers are incredibly fast, accurate, and stupid;
humans are incredibly slow, inaccurate and brilliant;
together they are powerful beyond imagination.