160KW VESC

General topics and discussions about the VESC and its development.
marcos
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160KW VESC

Postby marcos » 21 Dec 2016, 06:20

Just as a heads up, I'm in the slow process of building a 160+KW (peak) inverter, using VESC as the motor controller.

The power stage development is taking place here, because that's where the power electronics gurus are, and this needs all the help available.


At some point I'll have to lay out the VESC controller, mostly for mechanical integration.That will happen in this thread.

Cheers

rew
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Location: Delft, Netherlands.
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Re: 160KW VESC

Postby rew » 21 Dec 2016, 09:14

Wouldn't it be better to start with ONE big switching element on each leg of the inverter? This will allow you to run a few tests at 25kW before you risk blowing up 1000 euros of IGBTs. Something WILL go wrong and you WILL blow up IGBTs.

marcos
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Joined: 19 Feb 2016, 17:12
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Re: 160KW VESC

Postby marcos » 23 Dec 2016, 12:07

I've 300usd in IGBTs. Gate drivers come with desaturation protection, which ensures it shuts down before reaching a breaking point.
Of course desat protection, shoot through protection, and undervoltage protection will be tested with 1 to247 igbt before jumping to the 6 igbt setup.
Also I'm aware this will blow up big time at some point ot its development. Its really hard to contain the magic smoke.

pf26
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Re: 160KW VESC

Postby pf26 » 30 Dec 2016, 09:56

A "rather large power controller" indeed.. Impressive and scaring (thinking of the battery bank to feed this..) Thanks for sharing !
If the idea is to sell a commercial/automotive product, probably you need to consider the specific regulations for safety ? I didn't look into this, but I doubt there are'nt some requirements (at least to meet EU regulations).

Did you try to compare your solution with using maybe 32 "standard" VESCs + 32 "little" motors arranged as satellites around a few large spur gears ?
I think you could get similar amounts of power without dealing with large currents/voltage, but at the expense of much more cabling.

marcos
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Re: 160KW VESC

Postby marcos » 25 Jan 2017, 19:39

Attachments
assembly.png
assembly.png (99.13 KiB) Viewed 6721 times

marcos
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Re: 160KW VESC

Postby marcos » 08 Feb 2017, 18:04

This week the boards were sent to the manufacturer.

They look like this

pinout_drawing.png
pinout_drawing.png (695.36 KiB) Viewed 6583 times


And design files are here
https://github.com/paltatech/VESC-controller

lizardmech
Posts: 171
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Location: Australia
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Re: 160KW VESC

Postby lizardmech » 09 Feb 2017, 02:45

Are you going to make any changes to the vesc software?

Prevas_erra
Posts: 24
Joined: 11 Apr 2016, 16:03
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Re: 160KW VESC

Postby Prevas_erra » 10 Feb 2017, 09:27

Hello

Could you make a PDF schematic and xls BOM and put in github?
I don't know how to open the design files.

/Eric

marcos
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Re: 160KW VESC

Postby marcos » 19 Feb 2017, 09:27


rew
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Re: 160KW VESC

Postby rew » 19 Feb 2017, 11:00



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