Seg MRI3-C, Руководство пользователя

Страница: 3 / 78

TB MRI(K)3-C 03.02 E 3
5.5.10 Pickup current for earth fault element (I
E>
)
5.5.11 WARN/TRIP changeover
5.5.12 Time current characteristics for earth fault
element (for E/X-relay types)
5.5.13 Tripping Time or Time Factor for the
Earth Fault Element
5.5.14 Fast/Time tripping by switch ON of the
CB for the earth fault low set element
5.5.15 Reset mode for inverse time tripping in
earth current path
5.5.16 Current setting for high set element of
earth fault supervision (I
E>>
)
5.5.17 Trip delay for high set element of earth
fault supervision
5.5.18 Fast/Time tripping by switch ON of the
CB for the earth fault high set lement
5.5.19 COS/SIN Measurement
(ER/XR-relay type)
5.6 AR Parameter
5.6.1 Number of AR shots
5.6.2 Fault time (t
F
)
5.6.3 Dead time (t
D
)
5.6.4 Close impulse time (t
CI
)
5.6.5 Reclaim time (tR)
5.6.6 Fault time activation
5.7 Control functions
5.7.1 Block/Trip-time
5.7.2
Time delay for ext. Trip
5.7.3 Dead time for Trip/Restore
5.7.4 CB failure protection
5.7.5 Release of the pick up relay for CB
failure protection
5.8 Interface Parameters
5.8.1 Adjustment of the Slave-Address (RS)
5.8.2 Adjustment of the Baud-Rate
5.8.3 Adjustment of the Parity
5.9 Fault Recorder (FR)
5.9.1 Fault Recorder
5.9.2 Number of fault recordings
5.9.3 Adjustment of the Trigger Event
5.9.4 Pre-Trigger time (T
vor
)
5.10 Setting of the clock
5.11 Additional functions
5.11.1 Blocking the protection functions
5.11.2 Assignment of the output relays
5.11.3 Assignment of the AR functions
5.11.4 Function assignment of the digital inputs
5.11.5 Description of the digital input function
5.12
Measuring Value and Fault Indications
5.12.1 Measuring Value Indications
5.12.2 Units of the measuring values displayed
5.12.3 Indication of fault data
5.12.4 Fault
Memory
5.13 Reset
5.13.1 Erasure of the Fault Memory
6 Notes on Relay Tests and Commissioning
6.1 Connection of the auxiliary voltage
6.2 Testing of Output Relays and LEDs
6.3 Secondary injection test
6.3.1 Test equipment
6.4 Example of test circuit for MRI(K)3-C
relays without directional feature
6.4.1 Checking the input circuits and
measured values
6.4.2 Checking the operating and resetting
values of the relay
6.4.3 Checking the relay operating time
6.4.4 Checking the high set element of the
relay
6.4.5 Test circuit for MRI(K)3 relay with earth-
current directional recognition
(ER/XR models)
6.4.6 Checking the auto reclosing function
6.4.7 Checking the circuit breaker position
6.4.8 Checking the AR blocking function
6.4.9 Checking the external blocking and
reset functions
6.4.10 Testing the external blocking with
Block/Trip function
6.4.11 Test of the CB failure protection
6.5 Primary
Test
6.6 Maintenance
7 Technical Data
7.1 Measuring input
7.2 Common data
7.3 Setting ranges and steps
7.3.1 System parameter
7.3.2 Time overcurrent protection (I-type)
7.3.3 Earth fault protection (E/X-type)
7.3.4 Earth fault protection (ER/XR-type)
7.3.5 AR Parameter
7.3.6 Control Function
7.3.7 Interface parameter
7.3.8 Parameter for the fault recorder
7.4 Tripping characteristics
7.4.1 Inverse time overcurrent protection relay
7.4.2 Determination of earth fault direction
(MRI(K)3-ER/XR)
7.5 Tripping characteristics
7.6 Output relays
8 Order form