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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: There are standards for power companies that I read once. posted by Norm on May 6, 2009 at 08:28:37:
that local standards vary. I was told that the nominal AC voltage is now considered to be 120 VAC and that a 10% variance was allowable. That makes a low of 108 to a high of 132.
Again in talking to an operator at our local power plant, they start raising voltages at about 2-3 PM and keep raising them till about 8 or 9 PM and then start to taper down the voltages as the loads reduce. By one AM the voltages are back to their lowest production status.
I do live on an island, however, so those on the continent may have different scenarios, since the mainland power grids are very interconnected. Consistent low (or high) voltages can be adjusted by changing taps at the immediate step down transformer feeding your home. I've had to have that done and have watched the utility workers use long fiberglass hooks to break and move the lines, after turning off the power to the homes affected by the transformer ( about half a block). It takes only a few minutes, IIRC, half an hour was all they took from start to finish.
Stu
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- It could be - unclestu52 11:06:49 05/06/09 (0)
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