INSTRUCTIONS FOR INSTALLATION AND MAINTENANCE
安装和维护说明手册
D0578-02-ZH
42/100
AREVA T&D S.p.A. – Via Meucci, 22 30020 Noventa di Piave (VE) ITALY – Tel. : 39 0421 309511 – Fax : 39 0421 65254
Subsidiary of AREVA T&D Italy SpA (AREVA group) with registered office in Via Meucci, 22 30020 Noventa di Piave (VE) - ITALY, under Art. 2359 of the Italian Civil Code.
NTC-1955/E
表
CONDITION OF
SWITCHGEAR
TYPE OF ACTION TO PERFORM IN
COMPLIANCE WITH THE RELEVANT
INSTALLATION INSTRUCTIONS
FREQUENCY OF ACTIONS
Guaranteed
operations:
1000
A – SWITCHGEAR
IN SERVICE
MINOR INSPECTION
Verify:
During site
inspection or,
in any case,
every 2 years
2
During site
inspection or,
in any case,
every 2 years
2
During site
inspection or,
in any case,
every 3 years
3
During site
inspection or,
in any case,
every 4 years
4
A.1)
That the mechanical parts of the equipment and
of the protection surfaces are not damaged.
A.2)
That the sheaths of the low voltage cables and
of the earthing cables are not damaged.
A.3)
That the insulators are not damaged and that
there is no deposit or fouling on their surfaces.
B.1)
Carry out the checks A.1 - A.2 - A.3
A.1 - A.2 - A.3
OPTIONAL
Verify heating with a thermal detector
B – SWITCHGEAR
OUT OF SERVICE
INSPECTION OF SWITCHGEAR
Every 5 years
or every 500
operations
5
500
Every 5 years
or every 1000
operations
5
1000
Every 6 years
or every 1500
operations
6
1500
Every 8 years
or every 5000
operations
8
5000
A.4)
That the drive (operating mechanism) is in
working order
B.2)
Verify that the live parts are clean
B.3)
Measure the resistance of the live parts
B.4)
Verify tightening of bolts
B.5)
Verify operation of local controls
B.6)
Verify manual operation
B.7)
Verify the correct coupling of main contacts
B.8)
Verify the condition of the contacts surfaces
B.9)
Verify that mechanical parts are adequately
lubricated (Fig. 10)
( 10)
Guaranteed
operations:
10000
Guaranteed
operations:
2000
Guaranteed
operations:
3000
