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Solving Renewable Intermittency: Advanced Grid Adaptive Energy Storage Control Systems

Solving Renewable Intermittency: Advanced Grid Adaptive Energy Storage Control Systems. Vidar Gronas European Manager, Energy Segment. Roberto Piacentini Global Program Manager, Energy Segment. Theresa Woodiel Global Marketing Manager, Energy Segment. Mar/2012. Agenda.

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Solving Renewable Intermittency: Advanced Grid Adaptive Energy Storage Control Systems

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  1. Solving Renewable Intermittency: Advanced Grid Adaptive Energy Storage Control Systems Vidar Gronas European Manager, Energy Segment Roberto Piacentini Global Program Manager, Energy Segment Theresa Woodiel Global Marketing Manager, Energy Segment Mar/2012

  2. Agenda • Power Electronics for Grid-Tied Energy Storage • Technical Requirements • Practical Applications

  3. Large scale grid-tied energy storage • Increases efficiency and lower the cost of energy production • Facilitates the integration of intermittent energy sources • Allows utilities to adapt energy production to match energy consumption Energy Storage Stack, Solar Array, or Wind Farm DC Management System DC Transformer Converter/Rectifier Inverter/Drive AC DC GRID DC AC Control System Power System Inverter/Converter/Drive Generator

  4. Technical Requirements for Power Electronics • Accurate high-speed measurements of 3-Phase Voltage and Current information • Advanced algorithms • Scalability from 500 MW to multi-megawatt • Remote data access from system diagnostics and management

  5. Energy StorageGrid-tied Megawatt Storage for Wind Energy • First full utility-scale deployment in 2009 • 1.0 MWh storage coupled with 30 MW wind farm on a 80-200 MW grid • Energy storage platform capable of: • Transmission Curtailment • Ramp Control / Time Shifting • Grid Frequency / Voltage Regulation Support • National Instruments platforms used for: • Battery management and monitoring • High speed / subcycle supervisory control

  6. Fuel-Cell Control and MonitoringMajor Supplier of Residential Fuel Cells Standard sbRIO (Half Moon) Product Custom daughter (I/O) daughter board developed by NI R&D • 1 to 5kW power using Polymer Electrolyte Fuel Cell Technology • Control and monitor air/water flows, temperature, inverter and gas valves • Project based on sbRIO, 11,000 sbRIO deployments by 2015 • Development completed in less than one year

  7. Inverter Control TechnologyDesign, prototype and deploy next generation inverter control system • California Energy Commission identified that over 80% of their solar farms’ failures are related to inverters • Improve efficiency and reliability • Fast HIL inverter simulator with loop rates over 3M/sec • Read inputs, calculate simulation, update outputs SB-RIO General Purpose Inverter Controller (GPIC)

  8. For more information: VidarGronas NI Energy Segment vidar.gronas@ni.com

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