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Forum: Geothermal & Heat Pumps

08-31-14, 06:09 PM

Replies: 51

Harmful effect on power systems from using big VFDs or tons of computers at home

Views: 33,139

Posted By jeff5may

I am now convinced you came here in a time...

I am now convinced you came here in a time machine from sometime before World War II.

Just join the doomsday preppers, the world cannot survive the way it is. Prepare for the zombie attacks to...

Forum: Geothermal & Heat Pumps

08-31-14, 11:04 AM

Replies: 51

Harmful effect on power systems from using big VFDs or tons of computers at home

Views: 33,139

Posted By jeff5may

OR NOT. Now that you mention it, most (if...

OR NOT.

Now that you mention it, most (if not all) industrial power consumers do exactly this. They usually don't even deal directly with the local power company, except for delivery charges,...

Forum: Geothermal & Heat Pumps

08-31-14, 07:05 AM

Replies: 51

Harmful effect on power systems from using big VFDs or tons of computers at home

Views: 33,139

Posted By jeff5may

Mercury arc valve rectifiers? Really? Those...

Mercury arc valve rectifiers? Really? Those devices are so 1922.

Arc discharge tubes are an eco-nightmare. They contain large amounts of mercury by design, and they all leak. They are very finicky...

Forum: Geothermal & Heat Pumps

08-26-14, 07:20 PM

Replies: 51

Harmful effect on power systems from using big VFDs or tons of computers at home

Views: 33,139

Posted By jeff5may

Again, we as individuals cannot control what kind...

Again, we as individuals cannot control what kind of equipment the power company supplies us power with. We just pay for it and let someone like you deal with how to supply it. If the power company...

Forum: Geothermal & Heat Pumps

08-25-14, 10:01 PM

Replies: 51

Harmful effect on power systems from using big VFDs or tons of computers at home

Views: 33,139

Posted By jeff5may

Ok., so when do you think the general public will...

Ok., so when do you think the general public will catch the wave and start building their own homebrew air conditioning system s with dirty vfd driven power supplies? And when will they go back to...

Forum: Geothermal & Heat Pumps

08-22-14, 05:31 PM

Replies: 51

Harmful effect on power systems from using big VFDs or tons of computers at home

Views: 33,139

Posted By jeff5may

No, you don't get what I'm trying to say. ...

No, you don't get what I'm trying to say.

One could build a device that could connect to (someone else's) electric service and "clean up" their dirty power consumption by drawing off power during...

Forum: Geothermal & Heat Pumps

08-21-14, 08:03 PM

Replies: 51

Harmful effect on power systems from using big VFDs or tons of computers at home

Views: 33,139

Posted By jeff5may

So could I rob power from the grid by leeching...

So could I rob power from the grid by leeching off the harmonics and rejecting the fundamental frequency? If I could catch that reflected power, I don't think the power utility would mind. I don't...

Forum: Geothermal & Heat Pumps

08-21-14, 07:43 PM

Replies: 51

Harmful effect on power systems from using big VFDs or tons of computers at home

Views: 33,139

Posted By jeff5may

And your dissertation says what? Inverter-drive...

And your dissertation says what? Inverter-drive mini-splits are evil? Edison was better than Tesla? Time machines are cool? I don't get it.

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