Second Wind Generation Workshop

August 22, 2008 (9:00 am to 4:00 pm)

ERCOT Met Center, 7620 Metro Center Drive

Austin, Texas 78744

Preliminary agenda

  1. Overview of wind generation technologies (45 minutes) : Rob Sims
  1. Physical design / capability of 3 specific wind generators representing a range of technologies:

·  Rob Sims – AES

·  John Franklin – EON

·  Mike Barrios -- FPL

(20 minutes per presentation)

  1. Describe the turbine
  2. Physical characteristics
  3. Rating
  4. Method of starting
  5. Method of controlling power output
  6. Method of stopping
  7. Reactive devices as part of the turbine
  8. Physical description
  9. How used operationally
  10. Describe the wind ranch
  11. Site selection criteria
  12. Cabling connecting to collector substation
  13. Electrical characteristics
  14. Operational issues
  15. Substation
  16. Substation / switching diagram
  17. Step up transformer(s)
  18. Reactive devices
  19. Control system
  20. Location of control rooms / facilities
  21. SCADA
  22. Turbine power control
  23. Reactive control
  24. Switch / breaker control
  25. Transmission interconnection issues
  26. Special Protection Schemes (SPSs)
  27. Remedial Action Plans (RAPs)
  28. Describe current Voltage Ride Through capability
  29. What are current low voltage relay settings
  30. What design changes would be required and what would it cost to comply with FERC 661A nine cycle zero volt standard
  1. Typical operating day – interaction with QSE / ERCOT (20 minutes per presentation) : same 3 wind presenters
  2. Describe - data / communication flow / physical activities for (including discussion of current capability to meet applicable draft response time requirements and cost or time to comply):
  3. submitting COP / resource plan
  4. responding to curtailment order
  5. release from curtailment order
  6. voltage control
  7. deploying reactive assets
  8. changing control settings for reactive
  9. switch / breaker operation
  10. Identify operating problems or issues
  11. Operation of SPSs or RAPs
  12. Communications
  13. Response to frequency changes
  14. Transient response characteristics
  1. lunch
  1. ERCOT voltage control requirements (15 minutes) : ERCOT
  1. Transmission Owner voltage management practices (25 minutes) : Oncor
  1. ERCOT Operational Proposals (40 minutes) – ERCOT
  2. Utilizing High Frequency Relaying to protect against sudden increases in wind output
  3. Special Protection System (SPS) Operation
  4. Weather data input requirements for the wind forecast
  5. Ramp Rate discussion
  6. Explore the possibility of wind generation providing governor-like response
  7. Explore the possibility of a ramp rate instruction
  1. Next steps (60 minutes)
  2. Identify training needs
  3. For wind generators and QSEs
  4. For ERCOT staff
  5. Identify procedural changes to be made
  6. Data collection
  7. Operating procedures
  8. Equipment design

·  $free

·  See http://www.ercot.com/calendar/2008/08/20080822-WIND for more info, or contact Walter Reid, John Dumas, or Mark Garrett.

·  Presentations will be posted to the calendar page prior to the meeting.

·  Conference call lines (40) will be available.

·  Rev 8/13. Topics subject to slight change.