ABB Relion 620 Series - Page 685

Name Type Default Description
U_B_BC SIGNAL 0 Phase-to-earth volt-
age B or phase-to-
phase voltage BC
U_C_CA SIGNAL 0 Phase-to-earth volt-
age C or phase-to-
phase voltage CA
U
1
SIGNAL 0 Positive-phase se-
quence voltage
F SIGNAL 0 Measured frequency
BLOCK BOOLEAN 0=False Block signal
Table 641: OEPVPH Output signals
Name Type Description
OPERATE BOOLEAN Operated
START BOOLEAN Started
BLK_RESTART BOOLEAN Signal for blocking reconnec-
tion of an overheated ma-
chine
COOL_ACTIVE BOOLEAN Signal to indicate machine is
in cooling process
4.5.8.8 Settings
Table 642: OEPVPH Group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Start value 100...200 % 1 100 Over excitation
start value
Operating curve
type
5=ANSI Def. Time
15=IEC Def. Time
17=OvExt IDMT
Crv1
18=OvExt IDMT
Crv2
19=OvExt IDMT
Crv3
20=OvExt IDMT
Crv4
15=IEC Def. Time Selection of time
delay curve type
Time multiplier 0.1...100.0 0.1 3.0 Time multiplier
for Overexcitation
IDMT curves
Operate delay time 200...200000 ms 10 500 Operate delay time
in definite- time
mode
1MRS757644 H Protection functions
620 series
Technical Manual
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