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connecting powerful IGBTs in-series


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Has anyone an experience of connecting powerful IGBTs in-series to use them @ higher voltage than rated one??? (for example 400A 1200V). There are big problems with voltage drop distribution in transient modes caused by non-simultaneous turn-on and -off times... What can u advice me?
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Hello Igneous


A large part of the secret is in the design of snubber circuits across each switching device that will reduce transient voltages due to differential switching times.


Best regards,


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  • 2 years later...

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