Measurements on Single-Phase Circuits (cont'd)
Single-Phase Three-Wire Circuits:
True Power, Power Factor, Apparent Power and Reactive Power Measurement
1ø3W
L1
L1–N = 110V
L2–N = 110V
N
L1–L2 = 220V
L2
1ø3W
L1
L1–N = 110V
L2–N = 110V
N
L1–L2 = 220V
L2
14
W
W
L1 (
RS)
A
W
W
L2 (
TS)
A
1ø
Load
1ø
Load
1ø
Load
1ø
Load