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4hv.org :: Forums :: Tesla Coils

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GDT question

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LAN_403

waicool20

Thu Jun 12 2014, 06:58AM

Registered Member #40981 Joined: Thu Nov 21 2013, 08:40AM
Location: Hong Kong
Posts: 12

So is it better to have individual GDTs for each IGBT or use one GDT per 2 IGBTs?
What are the advantages and disadvantages in each case?

Doubl3 Helix

Thu Jun 12 2014, 02:06PM

Registered Member #1548 Joined: Mon Jun 16 2008, 09:22PM
Location: Ohio
Posts: 61

Personally, I prefer to have 2 chips ran from one GDT. It's simple to get the correct phasing that way. You let the GDT put one of the switches out of phase, that way you have less silicon in your driver. That said, I'm not the most experienced here, so I'm sure others will chime in with more theory.

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