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RPEWG Palo Verde – North Gila #2 Upgrade Request

RPEWG Palo Verde – North Gila #2 Upgrade Request. PCC 10.06. RPEWG. APS Proposed new 500kV circuit Hassayampa – North Gila #2 Full length, 117 miles, in Common Corridor Approval Process RPEWG RS PCC Board. RPEWG. RPEWG Members Brian Keel – SRP – Chair Nevida Jack – SRP

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RPEWG Palo Verde – North Gila #2 Upgrade Request

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  1. RPEWGPalo Verde – North Gila #2Upgrade Request PCC 10.06

  2. RPEWG • APS • Proposed new 500kV circuit • Hassayampa – North Gila #2 • Full length, 117 miles, in Common Corridor • Approval Process • RPEWG • RS • PCC • Board

  3. RPEWG • RPEWG Members • Brian Keel – SRP – Chair • Nevida Jack – SRP • Baj Agrawal – APS • Sara Majok – SMUD • Brad Bentley – SDGE • Donald Davies – WECC • Mohan Kondragunta - SCE

  4. RPEWG • Seven Step Process for Performance Category Upgrade Request – PCUR • Phase I of Probabilistic Based Reliability Criteria Implementation Procedure, JUN 2001 • Step 1 • Project Description • Step 2 • Outage Database • Actual data if available • If not exist, use similarly situated lines • Step 3 • MTBF Calculation

  5. RPEWG • Step 4 • Robust Line Design • In event an MTBF calculation is not possible due to limited data, an upgrade application may be made using only the Robust Line Design Features.

  6. RPEWG • Robust Line Design • Risk Factors R1 – R11 • Risk of fire, falling tower, lightning striking at same time, station related, natural disasters, aircraft, vandalism, vegetation or single breaker fail • Design Variables D1 – D18 • Breaker configuration, tower spacing and design, shield wires, grounding, protective relaying, etc. • WECC Board Approved 12.05.03

  7. RPEWG • Step 5 • Exposure Analysis • Hours per year customers exposed to compliance violation • Step 6 • Consequences of Outage • Step 7 • Final Report

  8. RPEWG • Conference Call JUN 20 • Intro & review Process • Meeting with RPEWG JUL 28 • Presentation by APS & Q & A • Conference Call AUG 10 • RPEWG Approval vote • Reliability Subcommittee Vote • 8.17.06 Approval

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