Unbalanced current information is available on 3-phase models only. This section explains how the PXE calculates the unbalanced current percentage.
Average current = (L1+L2+L3) / 3
L1 current unbalance = (L1 - average current) / average current
L2 current unbalance = (L2 - average current) / average current
L3 current unbalance = (L3 - average current) / average current
Maximum (|L1 current unbalance|, |L2 current unbalance|, |L3 current unbalance|)
Unbalanced load percent = 100 * maximum current unbalance
L1 = 5.5 amps
L2 = 5.2 amps
L3 = 4.0 amps
Maximum (|0.1224|, |0.0612|, |-0.1837|) = 0.1837
100 * (0.1837) = 18%