EMR-4000
IM02602009E
Commissioning/Protection Test
Commissioning/protection test must be carried out by authorized and
qualified personnel. Before the device is put into operation, the related
documentation MUST be read and understood.
With any test of the protection functions, the following has to be checked:
Is activation/tripping saved in the event recorder?
Is tripping saved in the fault recorder?
Is tripping saved in the waveform recorder?
Are all signals/messages correctly generated?
Do all generally configured blocking functions work properly?
Do all temporarily configured (via DI) blocking functions work
properly?
To enable checks on all LEDs and relay functions, these have to
be provided with the relevant pickup (alarm) and tripping functions
of the respective protection functions/elements. This MUST be
tested in practical operation.
Check of all temporary blockings (via digital inputs).
In order to avoid malfunctions, all blockings related to
tripping/non-tripping of protection function MUST be tested. The
test can be very complex and should therefore be performed by
the same personnel who set up the protection concept.
Check all general trip blockings. All general trip blockings MUST be tested.
Prior to the initial operation of the protection device, all tripping times and
values shown in the adjustment list MUST be confirmed by a secondary
test.
Any description of functions, parameters, inputs, or outputs that does not
match the device in hand can be ignored.
www.eaton.com
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Содержание EMR-4000
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Страница 494: ...EMR 4000 IM02602009E Motor Protection Curve Example 2 without RTDs www eaton com 494...
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