Equations for single-phase wiring groups
1P-2W-1M or 1P-2W-3M
1P-2W-3M only
Voltage
V
RMS v
=
( )
x
x
(
)
V
V
V
=
+
/ 2
avg
1
2
V
RMS v
v
=
(
−
)
diff
1
2
Current
I
RMS i
=
( )
x
x
(
)
I
I
I
=
+
/ 2
avg
1
2
I
RMS i
i
=
(
+
)
n
1
2
Power
P
AVG v
i
=
( * )
x
x
x
P
P
P
=
+
sum
1
2
Apparent
Power
S
V
I
=
*
x
x
x
S
S
S
=
+
sum
1
2
Reactive
Power*
Q
S
P
= ±
−
x
x
x
2
2
Q
Q
Q
=
+
sum
1
2
Power Factor
λ
P
S
=
/
x
x
x
λ
P
S
=
/
sum
sum
sum
Power Angle
a
λ
cos( )
x
Rectified Mean
Voltage
V
AVG
v
=
(
)
rect
x
Rectified Mean
Current
I
AVG
i
=
(
)
rect
x
Crest Voltage
V
MAX
V
V
RMS v
=
(
,
) /
( )
crest
x
max
min
Crest Current
I
MAX
I
I
RMS i
=
(
,
) /
( )
crest
x
max
min
* For Reactive Power, the sign in front of the square root is + for lagging current and -1 for
leading current. The Voltage and Current CWA frequency must be within 5% to detect leading
or lagging.
118
Keysight IntegraVision PA2200 Series Power Analyzers Operating and Service Guide
