pinky124 Posted December 6, 2010 Report Share Posted December 6, 2010 I want to simulate an undervoltage circuit. How can i simulate load side voltage so that it decreases after some time to create undervoltage condition? Quote Link to comment Share on other sites More sharing options...
Hero999 Posted December 6, 2010 Report Share Posted December 6, 2010 Please provide more information, there are many different ways to provide undervoltage protection. Quote Link to comment Share on other sites More sharing options...
pinky124 Posted December 7, 2010 Author Report Share Posted December 7, 2010 I have an undervoltage circuit which senses load voltage. If load voltage decreases from specific value it starts working. Now i want to simulate it in orcad to see if it works fine. But i have no idea how to decrease load voltage to cause undervoltage condition which triggers the circuit. Quote Link to comment Share on other sites More sharing options...
Hero999 Posted December 7, 2010 Report Share Posted December 7, 2010 An undervoltage cicuit should do the reverse of that.Post the schematic. Quote Link to comment Share on other sites More sharing options...
pinky124 Posted December 8, 2010 Author Report Share Posted December 8, 2010 I know how undervoltage circuit works. i am simulating this circuit to check if my design works fine and for that i have to create momentary underoltage condition at load side. Quote Link to comment Share on other sites More sharing options...
Hero999 Posted December 8, 2010 Report Share Posted December 8, 2010 I don't know what your schematic looks like so I can't help you. Quote Link to comment Share on other sites More sharing options...
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