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Phase Angles:
∠
=
cos
% Total Harmonic Distortion (%THD):
For Wye: x = V AN , V BN , V CN , I A , I B , I C
For Delta: x = I A , I B , I C , V AB , V BC , V CA
=
THD
K Factor: x = I A , I B , I C
KFactor
Watt hour (Wh):
∑
=
Wh
t
VAR hour (VARh):
=
VARh
e
Electro Industries/GaugeTech
−
1
(
PF
)
127
∑
2
(
RMS
)
x
h
=
h
2
RMS
x
1
127
∑
•
2
(
h
RMS
)
x
h
=
=
h
1
127
∑
2
(
RMS
)
x
h
=
h
1
W
n
T
(
t
)
3600
=
1
sec/
hr
n
VAR
∑
T
(
t
)
3600
=
t
1
sec/
hr
Doc # E107706 V1.25
2-9
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