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14th March 2008, 09:23 AM
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 Digital Circuit Breaker Guys, Am working on a project which needs digital circuit breaker for 220V ( Residential use) . I came across many articles which does the job manually (with switches) . Can anyone give better details to find digital circuit breaker which follows my logic? Thanks | |
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14th March 2008, 08:16 PM
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| hi I can suggest the following idea 1. take analoge signal related to RMS value of curent using curent transformer , this step is the sensing step 2. convert it to digital 3 compare this value with the desired level stored in micro controller - eg. pic16f84a , pic16f877 ,, etc 4.switch on /off acertain relay to connect/ disconnect the 220 ac volt BR | |
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