Research Content

EPRI and utility videos

Video for training workers guarding downed conductors

Training for operators to identify patterns of live, downed conductors

Video covering personnel protection and grounding on underground cables

Short video describing the importance of buttoning and tucking arc-rated FR shirts

Video covering staged tests of personnel protection and grounding on an overhead line

Background on research on downed conductors

Practical takeaways from tests and analysis of hazards at ground level

Models the arc flash incident energy based on tests of PMH padmounted switches

Compare TCC curves for different scenarios and assumptions

Compares burndown curves of various overhead conductors to the clearing times of relayed circuit breakers

Models coupling from electric and magnetic fields

Models coupling from an underground cable to a nearby abandoned cable

Models the ground-potential rise from a fault on an overhead line

Models the ground-potential rise from a fault on an overhead line

Models the impact of a DER grounding bank on the clearing time and incident energy

Models the impact of a DER grounding bank on the clearing time and incident energy for both phase and ground relays

Models touch voltages induced on a cut cable during a fault on a parallel cable

Models touch voltages induced on a cut cable during a fault where there is a ground-potential rise at the substation

Size TPGs based on fault duty

Requirements from selected utilities, including structure requirements and minimum separations

Reduce hazards to workers from burndown of conductors at rubber coverup

Arcing damage and burndowns on bare and covered wire

Failure due to corrosion

Failure due to improper installation