Name
Type
Values (Range)
Unit
Description
DMD_TDD_B
FLOAT32
0.00...500.00
%
Demand value for TDD for
phase B
3SMHTDD_C
FLOAT32
0.00...500.00
%
3 second mean value of TDD
for phase C
DMD_TDD_C
FLOAT32
0.00...500.00
%
Demand value for TDD for
phase C
10.1.9
Technical revision history
Table 920:
PQI Technical revision history
Technical revision
Change
B
Internal improvement.
C
Internal improvement.
D
Internal improvement.
10.2
Voltage total harmonic distortion PQVPH
10.2.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Voltage total harmonic distortion
VMHAI
PQM3U
PQVPH
10.2.2
Function block
GUID-CF203BDC-8C9A-442C-8D31-1AD55110469C-ANSI V1 EN
Figure 527:
Function block
10.2.3
Functionality
The voltage total harmonic distortion function PQVPH is used for monitoring the voltage
total harmonic distortion THD.
1MAC059074-MB A
Section 10
Power quality measurement functions
615 series ANSI
1037
Technical Manual
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