Harmonics
Function Description
Recording and Evaluation
Table 6-1 Recording and Evaluation of the Harmonics
Measured Quantity
(x = 1 to 40)
x = 1: Fundamental
Measurement Records
AVG
PQDIF
Measurement Records
Max. Value
PQDIF
Measurement Records
Min. Value
PQDIF
Magnitude of Voltage Harmonics
H_Va-x x x –
H_Vb-x x x –
H_Vc-x x x –
H_Vab-x x x –
H_Vbc-x x x –
H_Vca-x x x –
Magnitude of Current Harmonics
H_Ia-x x x –
H_Ib-x x x –
H_Ic-x x x –
THDS, Voltage
THDS_Va x x x
THDS_Vb x x x
THDS_Vc x x x
THDS_Vab x x x
THDS_Vbc x x x
THDS_Vca x x x
THDS, Current
THDS_Ia x x x
THDS_Ib x x x
THDS_Ic x x x
Interfaces: protocols IEC 61850 (PQDIF depending on the measuring interval) and Modbus
Configuration and Value View via Web Pages
Configuration of the Harmonics
The required settings for gathering the harmonics and THDS are set in the main settings (see chapter
2.5.1 Configuration via Web Pages) and in the recorder settings (see chapter 6.6.2 Configuration and Value
View via Web Pages).
Value View of the Voltage Harmonics
To display the measured values in the Value view tab, proceed as follows:
•
In the navigation window, click Voltage harmonics.
6.1
6.1.1
6.1.2
Power Quality
6.1 Harmonics
116 SICAM, SICAM P850/P855 7KG85X, Manual
E50417-H1040-C482-A9, Edition 03.2022