Technical Documentation
KSR-Z – Capacitor-Bank Protection Relay
Rev. 04
Page
18
/
36
3.3.4
Menu “setup->protection settings”
The following table gives an overview about the available alarms / trips in KSR-Z which are factory set:
Display
Protection
setting:
Monitored values:
Operated
Relay
Relay
N/C
Store in
FR
Blocked
by DI
Display
message
Auto
reset
Man.
reset
OL Alarm
TRMS current
L1, L2, L3
Relay 1
e
e
e
e
e
OL Trip
Relay 4
e
e
e
e
e
UL Alarm
TRMS current
L1, L2, L3
Relay 2
e
e
e
e
e
UL Trip
Relay 4
e
e
e
e
e
OL th
Alarm
Thermal damped
current
L1, L2, L3
Relay 1
e
e
e
e
e
OL th Trip
Relay 4
e
e
e
e
e
OL f Alarm
Fundamental
current
L1, L2, L3
Relay 1
e
e
e
e
e
OL f Trip
Relay 4
e
e
e
e
e
UB Alarm
Current channel 4
Relay 2
e
e
e
e
e
UB Trip
Relay 4
e
e
e
e
e
EF Alarm
Calculated earth
fault current
Relay 8
e
e
e
e
e
EF Trip
Relay 4
e
e
e
e
e
VA Alarm
Voltage asymmetry
between all phases
Relay 7
e
e
e
e
e
VA Trip
Relay 4
e
e
e
e
e
OV Alarm
TRMS voltage
L1-L2, L2-L3, L1-L3
Relay 7
e
e
e
e
e
OV Trip
Relay 4
e
e
e
e
e
UV Alarm
TRMS voltage
L1-L2, L2-L3, L1-L3
Relay 7
e
e
e
e
e
UV Trip
Relay 4
e
e
e
e
e
The procedure to enable an protection setting is equal for all available alarms. On the following page please
find the exemplary procedure for OL trip:
