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Snubber Circuit |
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 Feb 2 2009, 09:43 AM
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#1
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Intermediate Member  Group: Full Member Posts: 14 Joined: 20-December 08 Member No.: 5,038  |
Hi,
I am designing a three phase inverter using IGBT to driver a three phase induction motor ,it is recommended to add some sunbbers to the circuit. what kind of snubbers are suitable for three phase inverter? RCD OR RC? It would be highly appreciated if you can provide a reference circuit! Thanks! |
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Feb 2 2009, 06:04 PM
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#2
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Posting Freak Group: Moderator Posts: 2,383 Joined: 24-April 02 From: Christchurch, New Zealand Member No.: 1 |
Hello billstrong
It really depends on where on the circuit you are using them and why you are using them. With modern devices and layout practices, it is common to use snubbers across the DC supply terminals of the of the BUS applied to the modules to compensate for any stray inductance in the supply. It is not so common to apply the snubbers across the individual devices except where the circuit layout requires this. Best regards, Mark. -------------------- Mark Empson administrator
Skype Contact = markempson | phone +64 274 363 067 LMPForum | LMP Tech Warehouse | L M Photonics Ltd | Empson family | Advanced Motor Control Ltd | LMP Software | Mark Empson Website |
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