Active, reactive, apparent energy (signed, four quadrant)
Current I, I1, I2, I3
Peak demand currents
Peak demand power PM, QM, SM
Unbalance current
Active power P, P1, P2, P3
Reactive power Q, Q1, Q2, Q3
Demand power P, Q, S
Voltage U, U21, U32, U13, V, V1, V2, V3
Apparent power S, S1, S2, S3
Calculated neutral current