19
Maintenance or Test
Recommended Interval
Reference
Review equipment ratings
5 years
NERC Planning Standard
Preventive maintenance
Per manufacturer's
recommendations,
FIST Volume 3-16, and
Appendix A
recommendations,
FIST Volume 3-16, and
Appendix A
Manufacturer's Instruction
Books
FIST Volume 3-16
FIST Volume 4-1B,
Appendix A
Books
FIST Volume 3-16
FIST Volume 4-1B,
Appendix A
Visual inspection
2 years
FIST Volume 3-16
Doble Reference Book on
High Voltage Circuit
Breakers
NFPA 70B, 6-6
Doble Reference Book on
High Voltage Circuit
Breakers
NFPA 70B, 6-6
Breaker and bushing Doble test
3-5 years (6 months to
1 year for suspect
bushings)
1 year for suspect
bushings)
FIST Volume 3-2
FIST Volume 3-16
Doble Reference Book on
High Voltage Circuit
Breakers
FIST Volume 3-16
Doble Reference Book on
High Voltage Circuit
Breakers
Contact resistance
Per manufacturer's
recommendations
recommendations
Manufacturer's Instruction
Book
Book
Breaker timing
(Motion analyzer)
(Motion analyzer)
3-5 years
FIST Volume 3-16
Bushing - visual inspection
Annually with binoculars
and 3-5 years
and 3-5 years
Doble Bushing Field Test
Guide
IEEE P62-1995
Guide
IEEE P62-1995
Bushing - Doble with hot collar
3-5 years, more often if
ambient condition requires
ambient condition requires
Doble Bushing Field Test
Guide
Guide
Bushing - cleaning
3-5 years, more often if
ambient condition requires
ambient condition requires
Reclamation Recommended
Practice
Practice
Bushing - visual inspection for
cracks and leaks
cracks and leaks
Quarterly
Reclamation Recommended
Practice
Practice
Infrared scan
Annually
NFPA 70B, 18-17
Insulating oil - Doble test (power
factor and dielectric strength)
and dissolved gas analysis
factor and dielectric strength)
and dissolved gas analysis
3-5 years
FIST Volume 3-5
Doble Reference Book on
Insulating Liquids and
Gasses
ANSI C57.104
Doble Reference Book on
Insulating Liquids and
Gasses
ANSI C57.104