ABB RELION REX640 Technical Manual page 49

REX640
Technical Manual
Operation principle.................................................................. 1602
Application............................................................................... 1606
Signals.....................................................................................1607
Settings....................................................................................1609
Monitored data.........................................................................1609
Technical data......................................................................... 1612
Voltage total harmonic distortion, DC component (THD, DC) and
individual harmonics VHMHAI...................................................... 1612
Identification............................................................................ 1612
Function block......................................................................... 1613
Functionality............................................................................ 1613
Analog channel configuration.................................................. 1614
Operation principle.................................................................. 1614
Application............................................................................... 1617
Signals.....................................................................................1618
Settings....................................................................................1620
Monitored data.........................................................................1620
Technical data......................................................................... 1622
Voltage variation PHQVVR...........................................................1622
Identification............................................................................ 1622
Function block......................................................................... 1623
Functionality............................................................................ 1623
Analog channel configuration.................................................. 1623
Operation principle.................................................................. 1624
Phase mode setting............................................................1625
Variation detection..............................................................1625
Variation validation............................................................. 1627
Duration measurement.......................................................1629
Three/single-phase selection variation examples.............. 1630
Recorded data......................................................................... 1632
Application............................................................................... 1634
Signals.....................................................................................1636
Settings....................................................................................1636
Monitored data.........................................................................1638
Technical data......................................................................... 1641
Voltage unbalance VSQVUB........................................................1641
Identification............................................................................ 1641
Function block......................................................................... 1641
Functionality............................................................................ 1642
Analog channel configuration.................................................. 1642
Operation principle.................................................................. 1643
Application............................................................................... 1648
Signals.....................................................................................1649
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