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AUTOMATIC ACTIVE PHASE SELECTOR FOR SINGLE
PHASE LOAD FROM THREE PHASE SUPPLY USING
MICROCONTROLLER
ABSTRACT
Now a day's every system is automated in order to face new challenges. In the present days
Automated systems have less manual operations, flexibility, reliability and accurate. Due to
this demand every field prefers automated control systems. Especially in the field of
electronics automated systems are giving good performance.
Generally common problem for 3 phase supply is absence of one of any of the phase. So, in
this Project, we are using 3 phase supply i.e.., R-Ø, Y-Ø, B-Ø are the three single phase
supply’s which are used to put some load continuously when any one of the 3-phase supply
has gone the other are ready to give supply to single phase load and LCD is ready to display
which phase in working condition.
BLOCK DIAGRAM

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Automatic active phase selector for single phase load from three phase supply using microcontroller

  • 1. AUTOMATIC ACTIVE PHASE SELECTOR FOR SINGLE PHASE LOAD FROM THREE PHASE SUPPLY USING MICROCONTROLLER ABSTRACT Now a day's every system is automated in order to face new challenges. In the present days Automated systems have less manual operations, flexibility, reliability and accurate. Due to this demand every field prefers automated control systems. Especially in the field of electronics automated systems are giving good performance. Generally common problem for 3 phase supply is absence of one of any of the phase. So, in this Project, we are using 3 phase supply i.e.., R-Ø, Y-Ø, B-Ø are the three single phase supply’s which are used to put some load continuously when any one of the 3-phase supply has gone the other are ready to give supply to single phase load and LCD is ready to display which phase in working condition.