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Fault current monitoring - Case Study
Reducing service interruption and enabling quicker and more accurate outage repairs by monitoring fault currents . Florida has installed more than 800 underground power lines statewide with plans for more.
45% of the state’s Distribution system is underground, compared to about 30% for other utilities nationwide.
Public and Investor-Owned Utilities are engaged in multiyear, multibillion-dollar programs to underground key parts of the Distribution grid, with a goal of 50% by 2040.
Florida’s capital costs for underground inspection, repair and rehabilitation was $80M for 2019-2023. While other various distribution reliability initiatives were $89M for 2019-2023.
Problem
Sentir detected the loss of an entire feeder and sent an e-mail notification to the customer.
Solution
SensorCore’s early warning system prompted customer to initiate response faster than their regular means of notification.
Response
Field crew dispatched directly to the identified location of the fault and worked overnight to recover the failure.
Results
- Reduced time to response by 2 hrs ( 15%)
- Service repaired in 12 hrs (5 hrs planning/sourcing and 7 hrs in-field)
Undergrounding helps restore power quicker and is a key part of storm protection
