dhanasingaraja
New Member
Hi,
In my village, 3 phase supply comes for 4 hours, and single phase supply comes for remaining hour. I wanna switch 5HP,30amps motor for every time phase changing.My problem is how can i sense 3 phase supply.can i use resistors? If power comes i should control the connection with relay
In my village, 3 phase supply comes for 4 hours, and single phase supply comes for remaining hour. I wanna switch 5HP,30amps motor for every time phase changing.My problem is how can i sense 3 phase supply.can i use resistors? If power comes i should control the connection with relay