Electro-Voice 1252 - Manual (Page 31)

e Electro Industries/GaugeTech
Doc # E107706 V1.25 2-7
Q Power (Watts) per phase:
For Wye: x = a, b, c
Q Apparent Power (VA) per phase:
For Wye: x = a, b, c
Q Reactive Power (VAR) per phase:
For Wye: x = a, b, c
Q Power (Watts) Total:
For Wye:
For Delta:
c b a T
W W W W
+ + =
n
i v i v
W
n
t
C BC A AB
T
t t t t
∑
=
• − •
=
1
) (
) ( ) ( ) ( ) (
n
i v
W
n
t
t x t xn
X
∑
=
•
= 1
) ( ) (
X XN
RMS RMS x
I V VA
• =
2 2
x x x
Watt VA VAR
− =