GRID
High Voltage Switchgear
PS 0008EN
04 1996-03-18 2011-03-21 2 / 2
Sheet N° Revision 1st issue Revision date Page
SAFETY INSTRUCTIONS
PACKING
TRANSPORT
INSTALLATION
START-UP
OPERATION
MAINTENANCE
SCRAPPING &
RECYCLING
Opening malfunction :
- to do with the sequencing chain,
- following a mechanical fault.
X X
Cut-off failure.
X
External dielectric flash-over.
X
SF
6
pressure drop due to either :
- major leak (switch to 2nd threshold),
- no 1st threshold alarm complement.
X X
Loss of motor power :
- oil, compressed air, component failure.
X X
Activation of safety device, if fitted.
X
Use only the appropriate products
recommended by ALSTOM.
X X X X
COMPLY WITH THE SPECIFIC INSTRUCTION PROVIDED IN THE FOLLOWING CASES :
Abnormal noise.
X X