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Northern Plains Power Technologies
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Services

 

Engineering consulting

  • Engineering for low-inertia power systems (microgrids, off-grid systems, island power, campus power), including:
    • Integration of PV or other renewable resources and/or battery storage systems into existing systems that rely on engine-gensets (diesels, propane, or other).
    • System planning, design, simulation, specification, deployment, commissioning, monitoring and diagnosis
    • Controls design, simulation, implementation, monitoring and diagnosis, including design of new controls for integrating renewables and storage with legacy equipment
    • Protection design, simulation, and deployment, including for systems with multiple current-limited sources
  • Grid interconnection engineering and studies for renewable and storage plants, including:
    • Design, simulation, system integration and controls design for energy storage systems, especially energy storage for frequency response and for PV plant impact mitigation
    • Risk of islanding studies
    • Design, characterization, simulation, testing and deployment of existing and new island detection schemes
    • 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
    • Temporary overvoltage studies and mitigation design
    • Communications system characterization and specification
    • Flicker studies and determination of mitigating strategies
    • Interactions of intermittent renewable generation plants with distribution feeder voltage regulation equipment, and mitigation design
    • Feeder voltage profile studies
  • Consulting services for projects involving power electronics, distribution automation, or distributed generation
  • Power systems modeling and model development in PSCAD, PSS/E, MATLAB/Simulink, EMTP-RV, and others

Development of PSCAD, EMTP-RV, MATLAB/Simulink, or PSS/E models of power electronics, controls, and power system apparatus

  • Inverters and AC-DC-AC converters
  • Battery systems
  • Photovoltaic systems
  • Wind turbines
  • Fuel cells
  • Engine-generator sets
  • Distribution automation (FLISR)

Development of custom controls for battery-inverter systems, microgrids, and virtual power plants

  • Development of controls for generators, storage, renewable energy units, load control, “smart switches”, and system protection, using advanced computer models as a “virtual laboratory”
  • Development and deployment of the above-described control code
  • Monitoring and diagnostics for fielded systems and problem resolution

Power system modeling services

  • Advanced model development
  • 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

Creation of new technologies that fill near- or mid-term needs

  • New means for detection and prevention of islanding
  • Novel control methods for microgrid static switches

Conception, modeling, implementation, characterization, prototyping and field testing of novel technologies

  • island detection
  • microgrid protection
  • power electronics controls
  • irradiance forecasting

Design recommendations for power electronics for distributed energy resources and microgrids

 

Standards development

 

 

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