<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><snip previous><br>
Changing the frequency of the power grid is VERY hard. Dropping the<br>
voltage (which is a brownout) is easy.</blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span style="font-size:15px"> </span><br></blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
So no way did yo udrop to 50 Hz. A few years ago a mejor mess in europe<br>
caused the grid there to split into 3 parts, running at 48, 50 and 52Hz<br>
respectively, due to severe imbalance in the network, and the frequencies<br>
could only be different because the grid completely split. So to drop<br>
the frequency to 50Hz in Toronto would require changing the frequency<br>
of a very large part of the grid in north america. Not going to happen. </blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span style="font-size:15px"><br></span></blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span style="font-size:15px">What do you mean by completely split?</span> Split as in; now separate grids or split by isolation terminals, firewalls if you will.</blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span style="font-size:15px"><br></span></blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span style="font-size:15px">Toronto's polyphase grid is a clusterfuck as it is implemented today. For myself, I don't see hydro dropping voltage on two legs of the residential grid in order to test a highly computerized streetcar. </span></blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span style="font-size:15px"><br></span></blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span style="font-size:15px">I can see them frequency stepping the power at the isolation nodes of the CNE grounds before converting to DC power. You don't have to touch the whole grid, just the parts attached to the DC inverter. Kind of a pre-wash cycle in power laundry.</span></blockquote><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hydro is working all over the city to rectify some of the more serious load balancing issues generated by considerabble over optisim in the effective technology of the day the grid was built. I guess this is to stimulate investor confidence before selling the whole dog and pony show to someone else. </blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span style="font-size:15px"> </span></blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
> So that's not so bad, there's no enterprise stuff at risk, I just hack<br>
> together another box and carry on. However, now I have a real problem and<br>
> I'm in need of a solution. Yesterday I fired up the WiFi while my SO was<br>
> drying her hair. I toasted her salon quality hair dryer. Not good. :-(<br>
> There is no gfi outlet and at this point I'm wondering if I need UPS, for<br>
> the hair dryer, if not the computer.<br>
<br>
Unless your area has serious transformer issues, you should not have<br>
voltage swings that could damage a hair druer. </blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span style="font-size:15px"><br></span></blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span style="font-size:15px">It was the multiple wi fi fields generated when I fired up several devices concurrently which i think toasted the hair dryer. This is a known effect. I have since found out that it is only modern gfi outlets which have sensitivity enough in their measurements of the scope of the surge to counter this effect. Older units in fact can compound it. </span> Ups for a hair dryer was my joke of the day.</blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span style="font-size:15px"> </span><br></blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
> So my question is, does anyone on this list have similar problems and a low<br>
> cost hack they have used to deal with Toronto's iffy grid.<br>
<br>
--<br>
Len Sorensen<br>
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