Publication | Closed Access
The Power of Small: The Effects of Distributed Energy Resources on System Reliability
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2017
Year
Distributed Energy SystemEngineeringEnergy EfficiencyDistributed Energy GenerationSystem ReliabilityPhotovoltaic Power StationFrequency DropsReliability EngineeringDistributed Energy ResourcesSystems EngineeringDistributed GenerationDistributed EnergySunny DayDistributed SystemsAncillary ServiceSmart GridEnergy ManagementPower System ReliabilityEnergy TransitionReliability ManagementPv GenerationOff-the-grid
It's a sunny day in Honolulu, Hawaii , and rooftop photovoltaic (PV) systems across the island are serving a significant penetration of the load. A large generator trips offline, and frequency drops quickly-to the point where a block of load is shed to restore the balance between generation and load. However, disengaging those feeders disconnects not only the load but also the PV generation on those feeders; so balance is not restored and frequency continues to drop.