ABB | SACE Emax 2
Putting into service and maintenance
1 - Putting into service
265 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
Continued from the previous page
Accessories
(*)
to
be checked
Procedure
Zone selectivity
1. Check selectivity connections (between Ekip Touch and the other units) as
shown in circuit diagrams
2. Provide Ekip Touch with auxiliary power and make sure that CB status is:
Open
3. Check that the protection of the selectivity concerned has been enabled
(example: S protection)
4. Select the
Test
-
Zone Selectivity
menu and the submenu of the protection
concerned; repeat points 5, 6, 7 and 8 for each protection activated
NOTE:
for selectivity D, consider submenu S for the Forward connections
and G for the Backward connections
Check Output:
5. Select the
Force Output
command and check, on the unit connected to the
Ekip Touch output, that the state of its
Input
= ON
6. Select
Release Output
and check on the unit that
Input
= OFF
Check Input:
7. Select the
Force Output
command in the unit connected to the Ekip Touch
input; check on Trip unit:
Input
= ON
8. Select
Release Output
and check on Trip unit:
Input
= OFF
Final check list
Perform the operations described below after having completed the general inspection procedures and
checked the accessories. Print this sheet and use it to make an inspection report in the "Checks" column.
Operation Description
Check
1 Circuit-breaker OFF Open the circuit-breaker
2
Circuit-breaker
connected
Switch the circuit-breaker in withdrawable version to the
connected position and reposition the crank in its seat
3 Trip unit Parameters
Adjust the protection trip unit in accordance with the
design specifications of the installation (drawn up by
design engineer of the installation). If necessary, power the
protection trip unit with an Ekip TT unit
4
Removal of the Ekip
TT
If present, remove the Ekip TT unit
5
Connecting the
voltage
Connect the auxiliary voltage
6
Closing the
switchgear
Close the switchgear door
7 Charging the springs Charge the closing springs
8 Undervoltage coil Make sure that undervoltage coil is energized
9
Opening and closing
coils
Make sure that opening and closing coils are NOT energized
10
Mechanical interlock
of the circuit-breaker
If present, make sure that the mechanical interlock of the
circuit-breaker is not active
11 Locking devices
If present, make sure that the locking devices of the circuit-
breaker are not active
12 Status signals
Make sure that the signalling devices on the front of the
circuit-breaker indicate: circuit-breaker open - springs
discharged O - OPEN and white spring signalling device
DISCHARGED SPRING
To Next Page
Loading...
