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Forums
4hv.org :: Forums :: High Voltage
« Previous topic | Next topic »   

Anyone want a really BIG HV transformer? :)

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James
Wed Mar 02 2011, 05:10AM Print
James Registered Member #3610 Joined: Thu Jan 13 2011, 03:29AM
Location: Seattle, WA
Posts: 506
Link2
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ConKbot of Doom
Wed Mar 02 2011, 02:22PM
ConKbot of Doom Registered Member #509 Joined: Sat Feb 10 2007, 07:02AM
Location:
Posts: 329
Thats not big.


Link2

Thats big. 2.2GW capacity plant /6 transformers =~366 MW each.

:D
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Microwatt
Wed Mar 02 2011, 05:05PM
Microwatt Registered Member #3282 Joined: Wed Oct 06 2010, 05:01PM
Location:
Posts: 224
would you like to have that kind of power in your garage?
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James
Wed Mar 02 2011, 06:17PM
James Registered Member #3610 Joined: Thu Jan 13 2011, 03:29AM
Location: Seattle, WA
Posts: 506
ConKbot of Doom wrote ...

Thats not big.


Link2

Thats big. 2.2GW capacity plant /6 transformers =~366 MW each.

:D

Yeah but this one is for sale! Not that anyone in their right mind would pay more than scrap value for it.
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Xray
Thu Mar 03 2011, 05:30PM
Xray Registered Member #3429 Joined: Sun Nov 21 2010, 02:04AM
Location: Minnesota, USA
Posts: 288
I was thinking..... If I mount that beast on a trailer, drive it with a bank of about 3000 MOSFET's, and power it with 500 car batteries in series/parallel, then I could have a portable 60Hz power plant for when my power from the Grid goes out! cheesey
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Microwatt
Thu Mar 03 2011, 06:27PM
Microwatt Registered Member #3282 Joined: Wed Oct 06 2010, 05:01PM
Location:
Posts: 224
i doubt that you would be able to drive the mosfets at 60hz. what would you use for heatsinks. what happens when the battery dies.
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Xray
Thu Mar 03 2011, 06:59PM
Xray Registered Member #3429 Joined: Sun Nov 21 2010, 02:04AM
Location: Minnesota, USA
Posts: 288
Microwatt wrote ...

i doubt that you would be able to drive the mosfets at 60hz. what would you use for heatsinks. what happens when the battery dies.

I was joking! wink
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James
Thu Mar 03 2011, 11:43PM
James Registered Member #3610 Joined: Thu Jan 13 2011, 03:29AM
Location: Seattle, WA
Posts: 506
Well in seriousness, you can drive mosfets at 60Hz, it's done in power inverters, although normally the transformer is high frequency and a mosfet bridge is used to produce a 60Hz square wave with dead time to simulate the RMS of a sine wave from the DC rail. True sine inverters PWM a high frequency square wave at 60Hz and then filter out the carrier. So yeah, it could be done, although it would be ridiculous to do so with such a beast of a transformer.
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Microwatt
Fri Mar 04 2011, 12:24AM
Microwatt Registered Member #3282 Joined: Wed Oct 06 2010, 05:01PM
Location:
Posts: 224
But what if you got a dedicated 138kv line from the power company
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Xray
Fri Mar 04 2011, 01:23AM
Xray Registered Member #3429 Joined: Sun Nov 21 2010, 02:04AM
Location: Minnesota, USA
Posts: 288
Microwatt wrote ...

But what if you got a dedicated 138kv line from the power company

Um.... yeah, so? What if you did? What's your point or question???
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