Alstom MiCOM P846, Техническое руководство

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P846/EN MT/D Maintenance
(MT) 11-6
MiCOM P846
MT
Ensure that the batte
making good contact w
ls of the socket.
1.5.2
To ensure that the replacement battery will maintain the time and status data if the auxiliary
806: DATE and TIME, Battery Status] reads ‘Healthy’.
section
1.5.3
The battery that has been removed should be disposed of in accordance with the disposal
ium batteries in the country in which the relay is installed.
1.6
Before cleaning the equipment ensure that all ac and dc supplies, current transformer and
nsformer connections are isolated to prevent any chance of an electric shock
lvents or abrasive cleaners is not recommended as they may damage the
ry is securely held in its socket and that the battery terminals are
ith the metal termina
Close the bottom access cover.
Post modification tests
supply fails, check cell [0
Additionally, if further confirmation that the replacement battery is installed correctly is
required, the commissioning test described in section 5.2.3 of the Commissioning
(P846/EN CM), ‘Date and Time’, can be performed.
Battery disposal
procedure for Lith
Cleaning
voltage tra
whilst cleaning.
The equipment may be cleaned using a lint-free cloth moistened with clean water. The use
of detergents, so
relay’s surface and leave a conductive residue.