10 Power quality measurement functions
10.1 Current total demand, harmonic distortion,
DC component (TDD, THD, DC) and individual
harmonics CHMHAI (ANSI PQM ITHD,IDC)
10.1.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Current total demand, harmonic
distortion, DC component (TDD,
THD, DC) and individual harmonics
CHMHAI PQM3IH PQM ITHD,IDC
10.1.2 Function block
Figure 959: Function block
1MRS759142 F
Power quality measurement functions
REX640
Technical Manual
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