Table 9 (Continuation): Measuring parameters of the CVM-C11 (2-1Ph installation)�
Parameter
2-1Ph
L1
N
III ∑ MAX MIN
Maximum Demand of Active power
-
-
-
C
C
-
Maximum Demand of Apparent Power
-
-
-
C
C
-
Maximum Demand of inductive Reactive Power
-
-
-
C
C
-
Maximum Demand of capacitive Reactive Power
-
-
-
C
C
-
Table 10: Measuring parameters of the CVM-C11 (Global)�
Parameter
T1 T2 T3
∑
Active Energy - Consumption
C
C
C
C
Active Energy - Generation
C
C
C
C
Apparent Energy - Consumption
C
C
C
C
Apparent Energy - Generation
C
C
C
C
Inductive Reactive Energy - Consumption
C
C
C
C
Inductive Reactive Energy - Generation
C
C
C
C
Capacitive Reactive Energy - Consumption
C
C
C
C
Capacitive Reactive Energy - Generation
C
C
C
C
Cost - Consumption
C
C
C
C
Cost - Generation
C
C
C
C
CO
2
Emissions - Consumption
C
C
C
C
CO
2
Emissions - Generation
C
C
C
C
No. of hours
C
C
C
C
4�1�1�- THD CALCULATION
The device can calculate the Total Harmonic Distortion (THD) using the fundamental component of the
signal (
THD
) or the effective component (RMS) (
thd
).
For example,
the equations for the calculation of the Total Harmonic Distortion of Voltage are:
𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇
=
�� �
𝑉𝑉𝑉𝑉
𝑛𝑛𝑛𝑛
𝑉𝑉𝑉𝑉
1
�
2
32
𝑛𝑛𝑛𝑛=2
𝑡𝑡𝑡𝑡ℎ𝑑𝑑𝑑𝑑
=
�� �
𝑉𝑉𝑉𝑉
𝑛𝑛𝑛𝑛
𝑉𝑉𝑉𝑉
𝑅𝑅𝑅𝑅𝑅𝑅𝑅𝑅𝑅𝑅𝑅𝑅
�
2
32
𝑛𝑛𝑛𝑛=2
Where
V
1
=
Is the fundamental component.
𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇
=
�� �
𝑉𝑉𝑉𝑉
𝑛𝑛𝑛𝑛
𝑉𝑉𝑉𝑉
1
�
2
32
𝑛𝑛𝑛𝑛=2
𝑡𝑡𝑡𝑡ℎ𝑑𝑑𝑑𝑑
=
�� �
𝑉𝑉𝑉𝑉
𝑛𝑛𝑛𝑛
𝑉𝑉𝑉𝑉
𝑅𝑅𝑅𝑅𝑅𝑅𝑅𝑅𝑅𝑅𝑅𝑅
�
2
32
𝑛𝑛𝑛𝑛=2
Where
V
RMS
=
is the effective component (RMS).
The calculation method to be used by the device is selected in the configuration menu, see
�
21
Instruction Manual
CVM-C11
