ABB PrimeGear ZX0 Product Manual page 63

Gas-insulated medium voltage switchgear
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T E S T P R O C E D U R E S
If the circuit breaker is also to be tested,
please note that earthing via the circuit
breaker is cancelled when the breaker is
opened. Otherwise, disconnect the
release coil before testing.
Note that when the voltage signals from
the voltage transformers in the panel to
be tested are used by other panels, the
signals are not available during the work.
This can lead to impairments of function
in the other panels.
Do not exceed the maximum values for
the current testing plug (see the section
on accessories).
• Dismantle the cover on the cable termination
compartment of the relevant panel.
• Fit the testing set in accordance with the
manufacturer's instructions.
• Establish the test configuration in accordance
with the manufacturer's instructions for the
protection testing equipment and perform the
protection test.
• Earth the switchgear section after completion
of the test.
• Remove the testing set.
• Refit the insulating ends of the cable connectors
in accordance with the manufacturer's
instructions.
• Refit the cover on the cable termination
compartment.
63

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