Keysight Technologies IntegraVision PA2201A Series

3P-3W-2M 3P-3W-3M 3P-4W-3M
Apparent Power
S V I= *
x x x
S V I= *
n1 1 1
S V I= *
n2 2 2
S V I= *
n3 3 3
S V I= *
x x x






S S S= +
sum
3
2
1 2
S S S S= + +
sum 1 2 3
Reactive Power*
Q S P= ± −
x x x
2 2
Q S P= −
1 1
2
1
2
Q S P= −
2 2
2
2
2
Q S P= −
3 3
2
3
2
Q S P= ± −
x x x
2 2
Q Q Q= +
sum 1 2
Q S P= −
sum sum sum
2 2
Q Q Q Q= + +
sum 1 2 3
Power Factor
λ P S= /
x x x
λ P S= /
sum sum sum
* 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.
For AC and DCmeasurement modes, adjust the formulas as shown below.
Measurement
Mode
Replace Real Power
DC Replace RMS(x) with AVG(x):








∑
AVG x x=
N
n
N
n
1
= 0
−1
Real power is DC power only:
P AVG v AVG i= ( )* ( )
x x x
AC Replace RMS(x) with RMS_AC(x):
( )
RMS AC x RMS x AVG x_ = ( ) − ( )
2 2
Real power has DC component sub-
tracted out:
P AVG v i AVG v AVG i= ( * ) − ( ) * ( )
x x x x x
120 Keysight IntegraVision PA2200 Series Power Analyzers Operating and Service Guide