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ac 3 phase motor

 
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ronnarone.r



Joined: 23 Dec 2008
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ac 3 phase motor
PostPosted: Tue Mar 02, 2010 12:05 pm     Reply with quote
Please help me. I read AN843 in figure B-3 power sector:
http://ww1.microchip.com/downloads/en/AppNotes/00843a.pdf
I want to know, work or not ? And anybody can give detail in circuit diagram.
FvM



Joined: 27 Aug 2008
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Location: Germany

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PostPosted: Tue Mar 02, 2010 12:25 pm     Reply with quote
Quote:
anybody can give detail in circuit diagram
What do you mean? The AN contains a complete circuit diagram. Nothing is missing.
ronnarone.r



Joined: 23 Dec 2008
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ac 3 phase motor
PostPosted: Tue Mar 02, 2010 8:48 pm     Reply with quote
I mean detail of components in circuit.
FvM



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PostPosted: Wed Mar 03, 2010 2:23 am     Reply with quote
The missing part values in power circuit can be obtained from respective IRF datasheets and application notes.
The used MOSFET module isn't available from IRF anymore, you should change to a recent IRAMxxx module, that integrates
drivers and power transistors in one. If I remember right, Microchip has other VFD application notes, that are based
on IRAM modules.
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