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Summary of New England Reactive Power Requirements

Summary of New England Reactive Power Requirements. Reactive Power Working Group May 18, 2005. Existing Voltage Control Issues. High voltage conditions experienced during light load periods Boston Area Controlled by generation, reactors, switching cables out of service

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Summary of New England Reactive Power Requirements

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  1. Summary of New England Reactive Power Requirements Reactive Power Working Group May 18, 2005

  2. Existing Voltage Control Issues • High voltage conditions experienced during light load periods • Boston Area • Controlled by generation, reactors, switching cables out of service • Northern New England 345 kV system • Controlled by generation, reactors • Cape Cod area • Controlled by generation

  3. Existing Voltage Control Issues • Low voltage conditions experienced during high transfers • SWCT import limit • Affected by capacitors, generation, DVARs • CT import limit • Affected by capacitors, generation • ME-NH export limit • Affected by capacitors, widespread generation • NWVT import limit • Affected by capacitors, Statcom

  4. Future Voltage Control Issues/Solutions • Boston Area • N Cambridge reactor (with improved connection), and variable reactors/dynamic device (potential) • Variable reactors/dynamic device can address potential low voltage conditions that may be experienced during potential high transfer/ low area generation dispatch scenarios • Northern New England 345 kV • Shunt reactor, dynamic device (potential) • Cape Cod area • Dynamic device (potential)

  5. Future Voltage Control Issues/Solutions • SWCT low voltage-based import limit • Bethel-Norwalk-Middletown 345 kV • Dynamic devices (potential) • SWCT high voltage • Variable reactors • CT low voltage-based import limit • Dynamic device (potential), new transmission line(s) • ME-NH low voltage-based import limit • Dynamic device, reconfiguration • NWVT low voltage-based import limit • Northwest Vermont Reliability Project

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