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D I ST RI B U T I O N SO LU TI O N S
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8. Putting into service
8.1. Measurements and tests
Carry out the tests indicated below only after
performing the preliminary operations.
Subject of inspection
1
2
3
4
5
6
7
8
9
10
11
After performing the tests, make sure that all normal
service conditions are restored.
Check that all the mechanical and electrical locks,
(if de-energised to carry out the putting into service
tests with switchboard disconnected) have been
restored.
Procedure
Apparatus operations.
With the apparatus open perform racking in, carry
out a few openings and closings.
Mechanical and electrical lock
Put the truck in the intermediate position between
for preventing apparatus
isolated and connected. Attempt contactor
closing in the position
closing.
between connected and
isolated.
Truck locking electromagnet.
De-energise the electromagnet and try to move
it using the relevant handle.
Mechanical lock for preventing
Put the truck in the isolated position, close the
apparatus racking in/out when
apparatus and try the racking in operation.
closed.
Key lock for preventing racking
With the contactor in the isolated position, turn
in (if supplied).
the key 90°.
Shutter mechanical lock when
With apparatus withdrawn try to manually move
the apparatus is withdrawn (if
the shutters.
supplied).
Earthing switch (if supplied).
With isolated apparatus, close the earthing switch
and re-open it.
Try to close the earthing switch with the apparatus
inserted.
Try to insert the apparatus with isolated apparatus
and earthing switch closed.
Try to operate the earthing switch with the apparatus
in the intermediate position between isolated and
connected.
Key lock for earthing switch
Turn the key 90° with apparatus isolated, earthing
open (if supplied).
switch open and lever withdrawn.
Key lock for earthing switch
Turn the key 90° with apparatus isolated, earthing
closed (if supplied).
switch closed and lever withdrawn.
Double key lock for earthing
Turn the key 90° with apparatus isolated, earthing
switch open and closed (if
switch open and lever withdrawn.
supplied).
Turn the key 90° with apparatus isolated, earthing
switch closed and lever withdrawn.
Earthing switch
With earthing switch open or closed and lock
electromechanical
de-energised.
lock (if supplied).
• C heck the switchgear are not energized
(M.V. circuit)
• T he check is only successful if all
the above tests have been passed
successfully.
• I f the inspection gives negative results,
do not put the apparatus into service
but contact us if necessary.
• O nly supply the module with circuit
breakers open.
Positive test
Normal operations and signals.
Closing is not possible.
The truck does not move.
The operation is not possible.
Apparatus racking-in is prevented after
about two handle turns.
The key can be removed.
It is not possible to open the shutters.
The operation is possible. Check that the
position signalled on the circuit breaker
front is correct.
The earthing switch cannot be closed.
The operation is prevented after about
two handle turns.
The earthing switch operating lever
cannot be inserted.
The earthing switch operating lever
cannot be inserted.
The earthing switch operating lever
cannot be inserted.
The earthing switch operating lever
cannot be inserted.
The earthing switch operating lever
cannot be inserted.
The earthing switch operations are not
possible.
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