10.2.7 Signals
Table 1625: VHMHAI Input signals
Name Type Default Description
U3P SIGNAL – Three-phase voltages
Table 1626: VHMHAI Output signals
Name Type Description
SMNTHD_A FLOAT32 Mean THD for phase A in 3 s, 1 min
or 5 min mean (%)
SMNTHD_B FLOAT32 Mean THD for phase B in 3 s, 1 min
or 5 min mean (%)
SMNTHD_C FLOAT32 Mean THD for phase C in 3 s, 1 min
or 5 min mean (%)
SMNDC_A FLOAT32 Shorter mean value of DC compo-
nent for Phase A (%)
SMNDC_B FLOAT32 Shorter mean value of DC compo-
nent for Phase B (%)
SMNDC_C FLOAT32 Shorter mean value of DC compo-
nent for Phase C (%)
SMNH01_A FLOAT32 Shorter mean value of basic freq.
for Phase A (%)
SMNH01_B FLOAT32 Shorter mean value of basic freq.
for Phase B (%)
SMNH01_C FLOAT32 Shorter mean value of basic freq.
for Phase C (%)
SMNH02_A FLOAT32 Shorter mean value of 2nd harmon-
ic for Phase A (%)
SMNH02_B FLOAT32 Shorter mean value of 2nd harmon-
ic for Phase B (%)
SMNH02_C FLOAT32 Shorter mean value of 2nd harmon-
ic for Phase C (%)
SMNH03_A FLOAT32 Shorter mean value of 3rd harmonic
for Phase A (%)
SMNH03_B FLOAT32 Shorter mean value of 3rd harmonic
for Phase B (%)
SMNH03_C FLOAT32 Shorter mean value of 3rd harmonic
for Phase C (%)
SMNH04_A FLOAT32 Shorter mean value of 4th harmonic
for Phase A (%)
SMNH04_B FLOAT32 Shorter mean value of 4th harmonic
for Phase B (%)
SMNH04_C FLOAT32 Shorter mean value of 4th harmonic
for Phase C (%)
SMNH05_A FLOAT32 Shorter mean value of 5th harmonic
for Phase A (%)
Table continues on the next page
1MRS759142 F Power quality measurement functions
REX640
Technical Manual
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