Basic AC Power
POWER TRIANGLE
3.
pf
cosq
q
arctan
X
R
cos
arctan
X
R
cos
arctan
16
8
cos(arctan(2))
cos(63.4°)
pf
0.45
4.
P
EIcosq
(71.6)(4)(0.45)
P
128.9 watts
5.
Q
EIsinq
(71.6)(4)(0.89)
Q
254.9 VAR
6.
S
EI
(71.6)(4)
S
286.4 VA
Rev. 0
Page 13
ES-09
