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 Development of custom time-domain electromagnetic transient models ("EMTP-type models") of power electronics, controls, and power system apparatus
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Inverters and AC-DC-AC converters
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Battery systems
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Photovoltaic systems
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Wind turbines
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Fuel cells
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Engine-generator sets
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Development of custom controls for battery-inverter systems, microgrids, and virtual power plants
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Development of controls for generators, storage, renewable energy units, load control, “smart switches”, and system protection, using advanced computer models as a “virtual laboratory”
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Development and deployment of the above-described control code
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Monitoring and diagnostics for fielded systems and problem resolution
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Power system modeling services
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Advanced model development
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Use of advanced modeling to identify and solve problems such as islanding of distributed generators (DG), adverse interactions between DGs or between DGs and microprocessor-controlled power system equipment, and transient overvoltage issues
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Creation of new technologies that fill near- or mid-term needs
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New means for detection and prevention of islanding
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Novel control methods for microgrid static switches
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Engineering consulting
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Interconnection studies for renewable and storage plants, including:
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Design, characterization, simulation, testing and deployment of existing and new island detection schemes
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Interaction of current-and power-limited sources with distribution system protection schemes, and design, characterization, simulation, testing and deployment of novel and traditional protection schemes
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Optimization of droop controls, including volt-VAr and watt-frequency controls, and other advanced grid-support functions in distributed energy resources, including V2G
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Temporary overvoltage studies and mitigation design
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Communications system characterization and specification
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Flicker studies and determination of mitigating strategies
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Interactions of intermittent renewable generation plants with distribution feeder voltage regulation equipment, and mitigation design
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Feeder voltage profile studies
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Microgrid studies, including:
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Detailed transient modeling of the microgrid itself, including all power electronics, generation sources, storage elements, loads, and interconnecting elements
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Design, modeling, characterization and deployment of systems for automatically making grid-to-island and island-to-grid transitions
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Design, modeling, characterization and deployment of microgrid controls with multiple distributed resources
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Microgrid protection with bidirectional power flow and multiple current- and power-limited sources
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Conception, modeling, implementation, characterization, prototyping and field testing of novel technologies
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island detection
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microgrid protection
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power electronics controls
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irradiance forecasting
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Design recommendations for power electronics for distributed energy resources and microgrids
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Standards development
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