10.1.7 Signals
Table 1617: CHMHAI Input signals
Name Type Default Description
I3P SIGNAL – Three-phase currents
Table 1618: CHMHAI 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 (%)
SMNTDD_A FLOAT32 Mean TDD for phase A in 3 s, 1 min
or 5 min mean (%)
SMNTDD_B FLOAT32 Mean TDD for phase B in 3 s, 1 min
or 5 min mean (%)
SMNTDD_C FLOAT32 Mean TDD 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 (%)
Table continues on the next page
Power quality measurement functions 1MRS759142 F
1814 REX640
Technical Manual
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