ABB RELION 620 Series Technical Manual page 690

Section 4
Protection functions
4.5.8.8
Table 642: OEPVPH Group settings (Basic)
Parameter
Start value
Operating curve type
Time multiplier
Operate delay time
Table 643: OEPVPH Non group settings (Basic)
Parameter
Operation
Cooling time
Constant delay
Maximum operate time
Voltage selection
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Name
U
1
F
BLOCK
Table 641: OEPVPH Output signals
Name
OPERATE
START
BLK_RESTART
COOL_ACTIVE
Settings
Values (Range) Unit
100...200 %
5=ANSI Def. Time
15=IEC Def. Time
17=OvExt IDMT
Crv1
18=OvExt IDMT
Crv2
19=OvExt IDMT
Crv3
20=OvExt IDMT
Crv4
0.1...100.0
200...200000 ms
Values (Range) Unit
1=on
5=off
5...10000 s
100...120000 ms
500000...10000000 ms
1=phase-to-earth
2=phase-to-phase
3=pos sequence
Type Default Description
SIGNAL 0 Positive-phase sequence voltage
SIGNAL 0 Measured frequency
BOOLEAN 0=False Block signal
Type Description
BOOLEAN Operated
BOOLEAN Started
BOOLEAN Signal for blocking reconnection of an overheated
machine
BOOLEAN Signal to indicate machine is in cooling process
Step Default
1 100
15=IEC Def. Time
0.1 3.0
10 500
Step Default
1=on
1 600
10 800
10 1000000
3=pos sequence
1MRS757644 F
Description
Over excitation start value
Selection of time delay curve type
Time multiplier for Overexcitation IDMT
curves
Operate delay time in definite- time mode
Description
Operation Mode Off / On
Time required to cool the machine
Parameter constant delay
Maximum operate time for IDMT curves
Selection of phase / phase-to-phase / pos
sequence voltages
Technical Manual
620 series