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Efficient Black Start Plan Selection Criteria and Implementation

Learn about the selection criteria for Black Start units, such as proximity to load centers and power pools, to ensure reliable self-start capability. Understand ERCOT's cost-effective criteria and automated selection process for unit activation. Explore the 2006 test criteria, RFP details, and new features in the Black Start plan. Enhance your knowledge of Black Start services and criteria classification for optimal restoration efficiency.

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Efficient Black Start Plan Selection Criteria and Implementation

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  1. ROS Black Start Plan Ricson Chai

  2. Overview • Introduction • Black Start selection criteria. • 2006 Test Criteria & RFP. • Black Start Plan & new features.

  3. Introduction • The Black Start capable units are able to self-start without support from outside power. • Within close proximity of another power pools such as SPP, CFE, and WECC which are capable of starting from such power pool via a firm standby power supply contract can be qualified as a Black Start service.

  4. Black Start Selection Criteria • ERCOT uses the following selection criteria to select a set of units with minimum cost: • Simulated restoration of 90% of ERCOT peak load within 48 hours. • Expected restoration off-site power to nuclear units within 8 hours. • Proximity of Black Start units to major load centers.

  5. Black Start Selection Criteria • The selection criteria can be classified into two sets: • Group selection criteria: • Price ($/hour) • Amount of MW pickup (55,000 MW) • Restoration time (48 hours) • Specific unit selection criteria: • Black Start MW, next-start MW capacity, start-up time • Proximity to nuclear plant • Proximity to load centers

  6. Black Start Selection Criteria • A Microsoft Access program was written to determine the best selection with fulfilling all the selection criteria in an automated fashion. • The program simulates the total unit start-up time, ramp-up time, crew travel time, and next-start ramp-up time to meet the selection criteria. Each unit will be continuously starting up other units without waiting for the other units.

  7. Black Start Selection Criteria

  8. Black Start Selection Criteria • This group selection has met the first criteria but it has not met the second and third criteria, they are : • Simulated restoration of 55000 MW within 48 hours. • Expected restoration off-site power to nuclear units within 8 hours. • Proximity of Black Start units to major load centers.

  9. Black Start Selection Criteria

  10. Black Start Selection Criteria • Two Black Start plants closest to the Comanche Peak are Decordova and Lake Creek.

  11. Black Start Selection Criteria

  12. Black Start Selection Criteria

  13. 2006 Test Criteria & RFP • Test Criteria • Basic Start-up Test • Line Energizing Test • Load Carrying Test • Start-up the largest motor at the next-start plant or simulate the scenario. (2006)

  14. Black Start Plan & New Features • Secondary Transmission Corridor one-line diagrams. • Breaker numbers for switching sequence. • A list of updated alternative synch scopes.

  15. Black Start Plan & New Features Go to 2005 Black Start Plan

  16. Questions ? ?

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