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APEC Earthquake Response Cooperation Program for Energy Supply System

APEC Earthquake Response Cooperation Program for Energy Supply System. Advances in Seismic Performance Evaluation of Power Networks. Masanobu Shinozuka University of California, Irvine Seminar on Earthquake Disaster Management Of Energy Supply Systems September 3, 2003.

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APEC Earthquake Response Cooperation Program for Energy Supply System

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  1. APEC Earthquake Response Cooperation Program for Energy Supply System Advances in Seismic Performance Evaluation of Power Networks Masanobu Shinozuka University of California, Irvine Seminar on Earthquake Disaster Management Of Energy Supply Systems September 3, 2003

  2. LADWP Service Areas Part of Western Systems Coordinating Council’s (WSCC’s) network covering 14 US western states, 2 Canadian provinces and northern part of Baja California

  3. MW Electric Power Output for Service Areas under Intact Condition 6,300 MW at peak hour for a population of 3.7 million

  4. Fragility Curves for Transformers in Transmission Network

  5. Start Isolate disabled nodes Isolate disabled lines IPFLOW Yes Outage? No All nodes normal? Yes No No power for all service areas Extracting Power Determine disabled nodes Power output for service areas Brief Flow Chart of IPFLOW

  6. PGA under Northridge Earthquake

  7. # # # # # # # # # # # # # # # # # # # # # # # # # # # S u b _ s t a t i o n # L i n e P e r c e n t a g e 0 - 2 0 2 0 - 4 0 4 0 - 6 0 6 0 - 8 0 8 0 - 1 0 0 S C E Relative Average Power Output with only Transformers Vulnerable # # # # # # # # # # # # # # # # # # # # # # # # # # # Case 1 Case 2 # # # # # # # # # # # # # # # # # # # # # # # # # # # Case 3

  8. Relative Average Power Output with Transformers, Circuit Breakers and Disconnect Switches Vulnerable

  9. Fragility Curve of Circuit Breakers

  10. Fragility Curve of Disconnect Switch

  11. Risk Curves of LADWP's Power System

  12. Annual Probability of Exceedance for Households without Power (enlarged view)

  13. Restoration Probability for Transformers, Circuit Breakers and Disconnect Switches

  14. LADWP’s Power System Customers Restored versus Time

  15. System Performance Criterion System Performance Criterion I for Pre-event Assessment and Rehabilitation System Performance Criterion II for Post-Event Response and Recovery

  16. Life Cycle Cost Life Cycle Cost Results (2000$ millions) Life Cycle Cost Results without Urban Growth (2000$ millions)

  17. Conclusions 1: Represented regional seismic hazard by a set of scenario earthquakes 2: Developed empirical fragility curves of substation equipment using past damage data 3: Quantified fragility enhancement due to seismic retrofit 4: Studied performance of power network and grid integrating WECC data, Monte Carlo simulation, fragility information and IPFLOW software 5: Developed risk curves for LADWP transmission system with respect to households without power 6: Introduced seismic performance criteria in reference to robustness and rapidity in restoration. 7: Considered future research to prevent, protect and quickly restore the power network and grid from the outage due to natural, technological and malicious causes.

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