User Manual
Functional Description
40
4.2.4. Power measurement
Display
The following secondary measurements:
MIN/MAX
relative
frequency
are available in this quantity.
Choice of set-up
with type of power
and direct display
of the 4 power
parameters
Single-phase
=
1
() ()
Three-phase without neutral (two-wattmeter method)
Available only if your instrument has 4 channels
=
1
(
13
()
+
23
()
())
=
3
(
13
()
23
()
())
Balanced three-phase without neutral (3 wires)
Measurement of voltage V3-V1 and measurement of the current on I2
=
3 (
^
^
)
=
3
(U
13
()
())
Balanced three-phase with neutral
=
3
() ()