Phase Sequence Checker for 3 Phase Supply | General Electronics Projects

Model No. 254: This project is designed to check the sequence of the 3 phase supply. In this project direct 3-phase AC supply 50Hz is fed through voltage drop arrangement duly stabilized by zener diodes to a logic circuit comprising of NAND gates and OR gates to detect the proper sequence of RYB by series of pulses of fixed duration.
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