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current overshoot of M1 (Id's current)

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z447496660

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this is my schematic. 2012-12-18_203949.png
and this is orthography of M1(Id's current)2012-12-18_204004.png
why the current of Id is so large? how can I solve this problem?
 

BradtheRad

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I see 0V from right to left across the X axis. Do you mean why is it so small?

By the way, the Y scale is 200A per grid.
Your supply is 300V and your load is 1k. It appears that maximum current will be .3A. That will barely show up on a scale that is 200 A per grid.
 

z447496660

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no, I mean why the current is so large at first. Actually it's not 0 from right to left across the X axis, it is .3A
 

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