Three Phase Solid State Relay

Published:2013/9/11 20:46:00 Author:lynne | Keyword: Three Phase Solid State Relay | From:SeekIC

This three phase solid state relay project kit is intended for a system of three phase solid state relay. It integrates three solo phase units where each & every phase is managed independently with the help of a power triac with RC snubber set-up for zero voltage controlling. Opto-isolators are brought into play for each & every phase to obtain controlling signals from a micro-controller which is of 8051 family. Loads are coupled in sequence with a cluster of triacs being impelled by the opto-isolator. The micro-controller which is from 8051 family is intended to produce output pulses following zero voltage pulse to make sure that the load is getting turned ON at zero cross of the delivered waveform. The zero crossing characteristic of the TRIAC impeller, (an opto-isolator) make certain low sound production, as a result evading unexpected in-rush of current on defying and inductive loads.



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