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Three phase power supply circuits for three-phase power meter

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kumareshan

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Three phase power supply circuit for three phase power meter

Hi,

can anyone suggest me a simple power supply circuit for three phase energy meter. the meter must be able to operate from any single phase when other phases are off.
 

Re: Three phase power supply circuit for three phase power meter

Hi,

I assume nobody can design a circuit without any specifications.

Klaus
 

Re: Three phase power supply circuit for three phase power meter

Energy.png

Please select DC to DC converter based on the line voltage and required voltage for energy meter
 

Hi,

I assume nobody can design a circuit without any specifications.

Klaus

hi,

I want to measure three phase voltages through a micro-controller, i need 12V/2Amp input supply to my motherboard. i have decided to give the power supply from any one of the incoming three phases, say 'R-phase". whenever R-phase goes off, a intermediate circuit should transfer the power supply to other phase. so, my controller always stays ON.

View attachment 135064

Please select DC to DC converter based on the line voltage and required voltage for energy meter

hi,
could u explain about this circuit like what kind of component i have to use.
 


Re: Three phase power supply circuit for three phase power meter

Is your AC source a 4 wire, withe wye connection?
Or is it a 3 wire, delta connection?
 

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