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5.3 Power / Energy Mode
Press the power display mode button -
•
Measurement of the real power (generated and consumed)
•
Measurement of reactive power (capacitive or inductive)
•
Measurement of apparent power
W... - Choice of power parameters
PF... - Power factor
5.3.1
Starting and Stopping Energy Totalization
1
Start date and time of energy totalization.
Stop date and time of energy totalization.
Selection of the three phases (3L) or one in particular (L1, L2, L3) by pressing
the
buttons. Select Σ to display total for all phases.
The display is automatically adjusted for a display in W, VA, VAR or kW, kVA,
kVAR. It is possible to switch to other display modes without stopping the
totalization.
Incorrect probe installation on phases (black on B phase or C phase) or arrow
on probe facing in the wrong direction (towards line instead of load) will
result in inaccurate data. Negative data on one or more phases may be an
indication of this.
50
- Displays the generated or consumed energy
- Starts energy totalization
- Stops energy totalization
- Resets the counters to zero
60.00Hz
07/25/02 10:49:21
1
+3.241
kW
Wh
0000203
1.997
kVAR
vARh
0000123
0000000
3.809
kVA
0000244
VAh
W...
PF...
. This will enable:
07/25/02
10:49
07/25/02 10:55:08
2
3
+3.768
+3.435
0000334
0000304
0.241
0.120
0000021
0000011
0000000
0000000
3.796
3.452
0000336
0000306
G
Figure 5-12
Power Quality Analyzer Model 3945-B
100%
2
3L
L1
3
L2
L3
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