I need to detect the zero voltage for switching on the mosfet .i am currently working on quasi resonant converter.do anyone have an idea on how to detect the zero voltage crossing using simulink blocks?

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Ravikrishna sivakumar on 1 Dec 2011

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Accepted Answer: Guy Rouleau

how to detect the zero voltage crossing using simulink blocks.

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Guy Rouleau on 21 Dec 2011

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The Hit Crossing block is designed especially to detect zero-crossing.

http://www.mathworks.com/help/toolbox/simulink/slref/hitcrossing.html

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mahmoud ibrahim on 20 Dec 2011

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you can use switch and make it u=0 http://www.mathworks.com/help/toolbox/simulink/slref/switch.html

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