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GULKHAN
Active Contributor

Join Date: Jun 2009
Posts: 13

snubber circuit

08/05/2009 11:38 PM

dears,

i need your help in designing a snubber circuit for the following SCR :

APPLIED VOLTAGE=420-1200V

CONTINOUS CURRENT =105A

EXPLAIN PLS
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jack of all trades
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New Zealand - Member - Kiwi Popular Science - Weaponology - New Member Engineering Fields - Power Engineering - New Member Engineering Fields - Electrical Engineering - New Member

Join Date: Sep 2006
Location: Auckland, New Zealand
Posts: 8777
Good Answers: 376
#1

Re: snubber circuit

08/06/2009 12:29 AM

Try the following (a useful and detailed 240 page thryster design manual)

And the following links.

www.st.com/stonline/products/literature/an/6785.pdf

http://www.daycounter.com/Calculators/Snubbers/Snubber-Design-Calculator.phtml

http://www.google.co.nz/search?hl=en&q=snubber+design&meta=&aq=f&oq=

etc.

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ravikumarpogiri
Participant

Join Date: Aug 2009
Posts: 4
#2

Re: snubber circuit

08/10/2009 6:10 AM

to design the snubber circuit we need data sheet of the thyristors.there we can find the (dv/dt)max and (di/dt)max r needed. these will get in data sheet. there r formulas for this. please reffer MD Singh book for power electronics
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maveric_manic
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Hobbies - Musician - Tube Amps Only Please!

Join Date: Apr 2009
Location: Los Angeles, California USA
Posts: 553
Good Answers: 1
#3

Re: snubber circuit

10/30/2009 8:19 PM

Read up on industrial electronics which tells you about this problem and how to fix it.

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