ABB RELION REX640 Technical Manual page 898

Protection functions
OEPVPH Output signals
Table 845: OEPVPH Output signals
Name
OPERATE
START
BLK_RESTART
COOL_ACTIVE
4.5.7.9 OEPVPH Settings
Table 846: OEPVPH Group settings (Basic)
Parameter Values (Range)
Start value 100...200
Operating curve
5=ANSI Def. Time
type
15=IEC Def. Time
17=OvExt IDMT Crv1
18=OvExt IDMT
Crv2
19=OvExt IDMT
Crv3
20=OvExt IDMT
Crv4
Time multiplier 0.1...100.0
Operate delay time 200...200000
Table 847: OEPVPH Non group settings (Basic)
Parameter Values (Range)
Operation
1=on
5=off
Cooling time 5...10000
Constant delay 100...120000
Maximum operate 500000...10000000 ms
time
Voltage selection
1=phase-to-earth
2=phase-to-phase
3=pos sequence
Phase selection
1=A or AB
2=B or BC
3=C or CA
Table continues on the next page
898
Type
BOOLEAN
BOOLEAN
BOOLEAN
BOOLEAN
Unit Step
% 1
0.1
ms 10
Unit Step
s 1
ms 10
10
1MRS759142 F
Description
Operated
Started
Signal for blocking reconnec-
tion of an overheated ma-
chine
Signal to indicate machine is
in cooling process
Default Description
100 Over excitation
start value
15=IEC Def. Time Selection of time
delay curve type
3.0 Time multiplier
for Overexcitation
IDMT curves
500 Operate delay time
in definite- time
mode
Default Description
1=on Operation Mode
Off / On
600 Time required to
cool the machine
800 Parameter constant
delay
1000000 Maximum operate
time for IDMT
curves
3=pos sequence Selection of
phase / phase-to-
phase / pos se-
quence voltages
1=A or AB Parameter for
phase selection
Technical Manual
REX640