IGBT real model

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Jose
Jose 2011-11-8
Hi all!! Nice to meet you!
My name is Jose and actually I´m trying to implement a real model of an IGBT. I have used ideal model implemented in SimPowerSystems but the next step in my work is to take into account the behavior of modifying gate voltage.
I have modelled the IGBT as a current source voltage dependant (on the Vge and Vce) with simulink blocks but when I try to use the model with Simpowersystem blocks (RLC branches, current sources and so on), they can´t be connected together. The output of the block is connected to a controlled current source but I get the open loop error.
Could anyone show me an IGBT real model block to compare with mine?
Thank you very much in advance!!
  2 个评论
Walter Roberson
Walter Roberson 2011-11-8
Which "IGBT" do you intend in this context?
Jose
Jose 2011-11-9
I have solved that problem (wrong connection block). But now, I get an error related to algebraic loop.
Thank you Walter for the comment but I don´t understand your question Walter, could you help me?

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回答（1 个）

geokim
geokim 2012-1-6
hello i also interested in a real IGBT model block for simulink..any ideas and solutions found??
  1 个评论
Jose
Jose 2012-1-6
Hi! I have modelled IGBT as a current source depending on the gate voltage and supposing collector-emitter as a constant value. With this simplification the model was valid for me and I could use it to my purposes. I advice you to try simplificating the model this way.
Regards

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