Author Topic: IGBT Hookup guide  (Read 197 times)

Offline ThePickledNerd

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IGBT Hookup guide
« on: June 30, 2022, 07:56:18 PM »
Hey all!

I have been building my first DRSSTC for a few months now, and wanted to use two CM300-24N in a full bridge configuration, but am struggling on the circuitry. All schematics I have seen use single transistors in the diagram and I am trying to figure out what contacts to connect where. Any help would be very much appreciated!

Offline AstRii

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Re: IGBT Hookup guide
« Reply #1 on: June 30, 2022, 09:00:08 PM »
My best advice here is to study a bit more. Tesla coils are no joke and even experienced electrical engineers can have trouble when building high power (DR)SSTCs.

CM300 IGBTs are transistors just like any other, it's just that they are 2 in one package, it doesn't change the schematic. Read the datasheet on where is the Collector, where is the Common and where is the Emitter.
The connection between high side Emitter and low side Collector is already done for you, this is where you will connect your primary leads.
Be aware that driving a fullbridge is not just about power connections, you also need to drive all the Gates in their correct polarities.

Please, I strongly advice to read more about the topic or even make a smaller version with lower input voltages before you fry any innocent IGBT brick or even harm yourself.
Marek Novotny
Czech Republic, Czech Technical University in Prague
www.uhvlab.org

Offline Mads Barnkob

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Re: IGBT Hookup guide
« Reply #2 on: June 30, 2022, 10:13:37 PM »
Download the datasheet and it will tell you what connections are where.

The IGBT brick itself will have markings like C, E, G and possible some 1 or 2 added.

A half-bridge module is just two single transistors with a common terminal for their midpoint. A half-bridge brick represents either the left or right side of a full-bridge.
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Re: IGBT Hookup guide
« Reply #2 on: June 30, 2022, 10:13:37 PM »

 


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