Landis+Gyr E350 Series User Manual page 17

Description of Unit
Calculation
method
Register content
without sign
+A
–A
+A
–A
A Lx
+A – –A
+A + –A
Further measurement
quantities
Further samples
4-quadrant
measurement
D000027979 en t – E350 Series 2, 3-Phase ZxF100Ax/Cx – User Manual
Example 1
A1
A2
A3
A1
A3
A1
A3
A1
A1
A3
A1
A3
Fig. 1.5 E350 – Phase summation samples
In addition to the usual quantities, the measured quantities active, reactive
and apparent energy have further possibilities such as:
Subtraction of reactive energy
Addition of reactive energy
Quadrants
etc.
More samples and applications are shown in the functional description.
The reactive energy (±Rc, ±Ri) is allocated to the 4 quadrants as follows:
+ kvarh
+Rc
Quadrant II
Export -A
- kWh Quadrant III
- kvarh
Fig. 1.6 4-quadrant measurement (only inZxF100Cx meters)
The reactive energies of the individual phases can be allocated to the 4
quadrants in the same way.
A2
A3
A2
A3
A2 A3
A2
A3
A2
A3
|+R| – |–R|
|+R| + |–R|
+Ai, +Ac, –Ai, –Ac
+R
+Ri
Quadrant I
Quadrant IV
-Ri -Rc
-R
Example 2
A1
A2
A3
A1
A2
A2
A1
A1 A2
A1
A2
A1
A2
+ kvarh
+A Import
+ kWh
- kvarh
17/56
A3
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