TB MRIK3 12.00 E
3
5.5
Fault recorder
5.5.1
Number of the fault recordings
5.5.2
Adjustment of trigger occurences
5.5.3
Pre-trigger time (T
pre
)
5.6
Adjustment of the clock
5.7
Additional functions
5.7.1
Blocking the protection functions,
assignment of the output relays and
AR - functions
5.8
Indication of measuring and fault values
5.8.1
Indication of measuring values
5.8.2
Unit of the measuring values displayed
5.8.3
Indication of fault data
5.9
Fault memory
5.10
Reset
5.10.1
Erasure of fault storage
6 Relay testing and commissioning
6.1
Power-On
6.2
Testing the output relays and LEDs
6.3
Checking the set values
6.4
Secondary injection test
6.4.1
Test equipment
6.4.2
Example of test circuit for
MRIK3
relays
6.4.3
Checking the input circuits and measured
values
6.4.4
Checking the operating and resetting
values of the relay
6.4.5
Checking the relay operating time
6.4.6
Checking the high set element of the
relay
6.4.7
Checking the auto reclosing function
6.4.8
Checking the circuit breaker position
(A2/A7 and A2/A5)
6.4.9
Checking the AR-blocking input (A2/A3)
6.4.10
Checking the external blocking and reset
functions
6.4.11
Testing the external blocking with
Block/Trip function
6.4.12
Test of the CB failure protection
6.5
Primary injection test
6.6
Maintenance
7 Technical data
7.1
Measuring input circuits
7.2
Common data
7.3
Setting ranges and steps
7.3.1
Time overcurrent protection
7.3.2
Earth fault protection
7.3.3
Inverse time overcurrent protection relay
7.3.4
Inverse time characteristics
7.4
Parameter
7.5
Design standard
8 Order form
