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Technical Information

 

Common Electrical Formulas for resistive circuits where:

P = 1 phase Power (in Watts)

E = Voltage

I = Current (in amperes)

R = Resistance (in ohms)

Line to phase voltage and current relationships in balanced three-phase circuits.

Y-Connected Load

Delta-Connected Load

Phase current: IP = IL Phase current: IP = IL / 1.732
Phase voltage: EP = EL / 1.732 Phase voltage: EP = EL
(where L=Line and P=Phase)

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