Medium-Voltage Switchgear; Station Subdistribution; Maintenance Work Every 24 Months; Low-Voltage Meter (Gse) - SMA MEDIUM VOLTAGE POWER STATION 500SC-JP System Manual

10 Maintenance

10.2.2.4 Medium-Voltage Switchgear

Task
Carry out the visual inspection of the general condition (cleanliness, no corrosion, etc.). If re-
quired, clean the enclosure and repair corroded surfaces.
Check the accessory for completeness and its current state.
For order option "Cascade control": check the LEDs on the control device Easergy T200I and
ensure that no errors are present.

10.2.2.5 Station Subdistribution

Task
Check that the protective covers of the fuses are securely in place and correct, if necessary.
Check the function of the relay in the safety loop.

10.2.3 Maintenance Work Every 24 Months

10.2.3.1 Station Subdistribution
Task
Clean the inside of the enclosure.
10.2.3.2 Medium-Voltage Switchgear
Maintenance under voltage-free conditions
Task
Perform a 12-months maintenance.
Check the interlocking function.
Check the cable connections and tighten again, if necessary.
Check the fuses or circuit breakers.
Check the motor-drive function.
For order option "Cascade control": read out the event report from the user inter-
face of the control device Easergy T200I and ensure that no errors are present.

10.2.3.3 Low-Voltage Meter (GSE)

Task
Checking the optical test output*
Performing a creep test*
Checking the active power measurement*
Checking the reactive power measurement*
* The maintenance interval depends on national regulations and standards.
136 MVPS22JP-SH-en-11
SMA Solar Technology AG
See
‒
‒
Documentation for
the control device
See
Section 10.2.2.4, page 136
Documentation for the medium-
voltage switchgear
Documentation for the control de-
vice
See
Documentation for the low-volt-
age meter
System Manual