Outages of electric power supply resulting from cable failures Boston Edison Company system
Factual data are provided regarding 5 electric power supply interruptions that occurred in the Boston Metropolitan area during April to June, 1979. Common to all of these outages was the failure of an underground cable as the initiating event, followed by multiple equipment failures. There was significant variation in the voltage ratings and types of cables which failed. The investigation was unable to delineate a single specific Boston Edison design operating or maintenance practice that could be cited as the cause of the outages. After reviewing the investigative report the following actions were recommended: the development and implementation of a plan to eliminate the direct current cable network; develop a network outage restoration plan; regroup primary feeder cables wherever possible to minimize the number of circuits in manholes, and to separate feeders to high load density areas; develop a program to detect incipient cable faults; evaluate the separation of the north and south sections of Back Bay network into separate networks; and, as a minimum, install the necessary facilities to make it possible to re-energize one section without interfering with the other; and re-evaluate the cathodic protection scheme where necessary. (LCL)
- Research Organization:
- Commonwealth Associates, Inc., Jackson, MI (USA)
- DOE Contract Number:
- AC01-78RG06674
- OSTI ID:
- 5083196
- Report Number(s):
- DOE/RG/06674-01
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ELECTRIC CABLES
FAILURES
HVAC SYSTEMS
OUTAGES
HVDC SYSTEMS
MASSACHUSETTS
POWER DISTRIBUTION
UNDERGROUND POWER TRANSMISSION
URBAN AREAS
AC SYSTEMS
CABLES
CONDUCTOR DEVICES
DC SYSTEMS
ELECTRICAL EQUIPMENT
EQUIPMENT
NORTH AMERICA
NORTH ATLANTIC REGION
POWER SYSTEMS
POWER TRANSMISSION
USA
200301* - Power Transmission & Distribution- AC Systems
EHV & UHV- (-1989)
200302 - Power Transmission & Distribution- DC Systems- (1989-)