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Old 12-15-2009, 09:25 PM   #161 (permalink)
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The easiest way to go is to start with an IGBT six pack with built in drivers and overcurrent stuff. They even have those self-contained 6 packs that go up to like 600amps.

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Old 12-15-2009, 09:39 PM   #162 (permalink)
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The easiest way to go is to start with an IGBT six pack with built in drivers and overcurrent stuff. They even have those self-contained 6 packs that go up to like 600amps.
Paul, can you post a part number of your selection to have a peek at it?
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Old 12-15-2009, 10:52 PM   #163 (permalink)
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IRAM136-1060B for the 1/3 HP version.
Oh ya!

They have another iram that is for up to like 10 HP I think. Then you can go with the big dogs if you actually want to drive, and don't mind spending some money. haha:

http://www.pwrx.com/pwrx/docs/pm600cla060.pdf
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Old 12-15-2009, 11:32 PM   #164 (permalink)
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IRAM136-1060B for the 1/3 HP version.
Oh ya!

They have another iram that is for up to like 10 HP I think. Then you can go with the big dogs if you actually want to drive, and don't mind spending some money. haha:

http://www.pwrx.com/pwrx/docs/pm600cla060.pdf
are you kidding me? $860.00 a piece!!!! from Newark electronics.
I dono how many of us, poor soles will be able to xpend da kind of dough.
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Old 12-15-2009, 11:38 PM   #165 (permalink)
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I don't quite get the power requirements for the control section on the 600 amper, it looks like there are separate 15v connections for each igbt driver? Can it all be one 15v source or do they need to be isolated?
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Old 12-15-2009, 11:41 PM   #166 (permalink)
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mrbigh, there are plenty of deals on ebay, here were TWO 450 amp 6 pack mods for $63!!! I blew it there, just one would have made a nice xmas present.
Two Fuji 6MBI450U4-120, 1200V, 450A Trench-FS IGBT's NR - eBay (item 320454093633 end time Dec-02-09 15:59:33 PST)

And you can always grab 3 dual IGBTs, could make 600 amps worth for an inverter for about $100 without trying too hard.
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Old 12-15-2009, 11:51 PM   #167 (permalink)
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Whohhh!!! I have no intention of using that $860 bugger! I'm going to figure out how to make my own drivers, and use the cheap igbts on ebay.

I don't know why isolated drivers are preferred. But I've been told that it's what a guy needs to do. I'll look into that.
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Old 12-16-2009, 02:15 AM   #168 (permalink)
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P.S.: Does every one have a giant AC controller (OOPS!!! i MEAN MOTOR!!!) except for me?! Totally not fair!
Don't worry, I'm on it.
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Old 12-16-2009, 11:30 AM   #169 (permalink)
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mrbigh, there are plenty of deals on ebay, here were TWO 450 amp 6 pack mods for $63!!! I blew it there, just one would have made a nice xmas present.
Two Fuji 6MBI450U4-120, 1200V, 450A Trench-FS IGBT's NR - eBay (item 320454093633 end time Dec-02-09 15:59:33 PST)

And you can always grab 3 dual IGBTs, could make 600 amps worth for an inverter for about $100 without trying too hard.
Thanks for the comforting words Dave, mia nomo estas Horatio.
Isn't Esperanto a defunct language? Latin has a wider use but what do I know about it?
Back to topic:
Last night I threw an eBay search for the same seller and returned no merchandise for sale. If Paul will adopt this type of device, we will start cutting our troughs in the future auctions making some body very rich.
The dual IGBT's I have on hand, but this new devices are with built in drivers and, as you already know, require separate individual power supplies. Powerex have an Interface circuit for the Integrated Power Modules (IPM) with 6 integrated and isolated modular power supplies from a single source plus the necessary optocuplers for signal handling, a very handy developer's device, of witch we can "borrow" some technology to be applied to the Future AC 3 phase controller.
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Old 12-16-2009, 12:12 PM   #170 (permalink)
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I'm just surprised that the ipm still has the isolated power supply requirement, that is the tricky part. I mean it is not short on power availability with the P/N connections, and could add a signal ground connector and have 6 signal inputs that take 5v and fire the associated IGBT upon application of 5v relative to signal ground.

Though they do go through some hoops for fault detection, etc.

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