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Smart Grid in Hawaii


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Shari Ishikawa from HECO describes what the term Smart Grid means, and the Smart Grid-related projects HECO is working on. Slides from the REIS seminar series at the University of Hawaii at Manoa on 2009-10-15.

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Smart Grid in Hawaii

  1. 1. Smart Grid Overview Shari Ishikawa UH REIS Seminar Series October 15, 2009
  2. 2. Agenda for Today <ul><li>Smart Grid from a Utility Perspective </li></ul><ul><li>Dept of Energy (DOE) Smart Grid Information </li></ul><ul><li>Examples of Utility Smart Grid Activities </li></ul><ul><li>HECO’s Smart Grid Activities </li></ul><ul><li>Cyber Security Issues </li></ul>
  3. 3. What is a Smart Grid? <ul><li>Are utility grids dumb? </li></ul><ul><ul><li>No </li></ul></ul><ul><li>Characteristics of Most Grids </li></ul><ul><ul><li>One way flow </li></ul></ul><ul><ul><li>Supervisory Control and Data Acquisition (SCADA) to substations or key elements on a circuit </li></ul></ul><ul><ul><li>Central Station Generation </li></ul></ul><ul><ul><li>Passive Customer or Load </li></ul></ul>
  4. 4. Electric System Overview 1. Generation 2. Transmission 138,000V 3. Subtransmission 46,000V Secondary 120/240V 4. Distribution 25kV – 4kV One Way Flow
  5. 5. Smart Grid Build Out Example DMS Remote Switches OMS GIS Plant Control Systems EMS SCADA Relays CIS AMI MDMS Smart Home
  6. 6. Solutions Landscape: Elements Communi- cations Control Analysis <ul><li>In Plant (LAN) </li></ul>Enterprise <ul><li>Distribution SCADA </li></ul><ul><li>Outage Mgmt Sys </li></ul><ul><li>Mobile Work Force Mgmt </li></ul><ul><li>Energy Market Mgmt (O) </li></ul><ul><li>Trans Network Analysis </li></ul><ul><li>Op Training Simulator </li></ul><ul><li>Distributed Control </li></ul><ul><li>System </li></ul><ul><li>Cell </li></ul><ul><li>BPL </li></ul><ul><li>µWave </li></ul><ul><li>PLC, WIFI, WIMAX </li></ul><ul><li>BPL </li></ul><ul><li>Manual </li></ul><ul><li>Dist Network Application </li></ul><ul><li>Dist Training Simulator </li></ul><ul><li>Energy Market Management (P) </li></ul><ul><li>Gen Optimization </li></ul><ul><li>SCADA </li></ul><ul><li>Auto Gen Control </li></ul><ul><li>Demand Side </li></ul><ul><li>Mgmt/Response </li></ul><ul><li>MDMS </li></ul><ul><li>Satellite </li></ul><ul><li>Fiber </li></ul><ul><li>Auto Meter Reading </li></ul><ul><li>DSM (Customer) </li></ul><ul><li>Dist Auto </li></ul><ul><li>Cap Banks </li></ul><ul><li>Switches </li></ul><ul><li>µ Wave </li></ul><ul><li>Radio </li></ul><ul><li>Telephone </li></ul><ul><li>Fiber </li></ul><ul><li>Radio </li></ul><ul><li>Engineering & Planning (T&D) </li></ul><ul><li>Asset Performance Management System </li></ul><ul><li>Generation Planning </li></ul><ul><li>Common Modeling </li></ul><ul><li>Historical Information </li></ul><ul><li>Reclosers </li></ul><ul><li>Tiered Cont. </li></ul><ul><li>Xfrmrs </li></ul><ul><li>RTUs, Data Concentrators </li></ul><ul><li>GTs, CCP, ST, WP </li></ul><ul><li>Breakers </li></ul><ul><li>Xfrmrs </li></ul><ul><li>Volt Regs </li></ul><ul><li>Cap Banks </li></ul><ul><li>FACTS/SVCs </li></ul><ul><li>Environ </li></ul><ul><li>Dist Network Application </li></ul><ul><li>Dist Training Simulator </li></ul>Apparatus & Device Transmission Distribution Consumer Generation
  7. 7. DOE Smart Grid Information <ul><li>The Smart Grid is MORE: </li></ul><ul><li>Reliable </li></ul><ul><li>Secure </li></ul><ul><li>Economic </li></ul><ul><li>Efficient </li></ul><ul><li>Environmentally friendly </li></ul><ul><li>Safe </li></ul><ul><li>For additional information, contact </li></ul><ul><li>Modern Grid Strategy Team </li></ul><ul><li> </li></ul>
  8. 8. Principal Characteristics <ul><li>The Smart Grid is “transactive” and will: </li></ul><ul><li>Enable active participation by consumers </li></ul><ul><li>Accommodate all generation and storage options </li></ul><ul><li>Enable new products, services, and markets </li></ul><ul><li>Provide power quality for the digital economy </li></ul><ul><li>Optimize asset utilization and operate efficiently </li></ul><ul><li>Anticipate & respond to system disturbances (self-heal) </li></ul><ul><li>Operate resiliently against attack and natural disaster </li></ul>
  9. 9. Smart Grid Technologies Integration – biggest gap in today’s science & technology development Integration Science & Technology
  10. 10. Smart Grid Key Technology Areas <ul><li>Smart meters </li></ul><ul><li>Smart sensors </li></ul><ul><ul><li>Operating parameters </li></ul></ul><ul><ul><li>Asset Condition </li></ul></ul><ul><li>Wide area monitoring systems (WAMS) </li></ul><ul><li>Dynamic rating of transmission lines </li></ul>
  11. 11. Smart Grid Key Technology Areas <ul><li>Applications that: </li></ul><ul><li>Monitor and collect data from sensors </li></ul><ul><li>Analyze data to diagnose and provide solutions </li></ul><ul><li>Real time and predictive </li></ul><ul><li>Determine and take action autonomously or via operators </li></ul><ul><li>Provide information and solutions to operators </li></ul><ul><li>Integrate with enterprise-wide processes and technologies </li></ul>
  12. 12. Smart Grid Key Technology Areas Next generation FACTS/PQ devices Advanced distributed generation and energy storage PHEV - V2G mode Fault current limiters Superconducting transmission cable & rotating machines Micro-grids Advanced switches and conductors
  13. 13. Smart Grid Key Technology Areas Data reduction Data to information to action Visualization Speed of comprehension System operator training
  14. 14. Smart Grid Key Technology Areas Smart meters Smart sensors Demand Response DG dispatch Distribution automation Micro-grids Markets Work force management Mobile premises (PHEV’s)
  15. 15. Smart Grid Examples Transmission System - Synchrophasors
  16. 16. Antenna Array – Ability to locate partial discharge in the substation Waveform 1 Waveform 2
  17. 17. Backscatter Sensors for low cost monitoring and problem identification
  18. 18. Standard Circuit Protection Aqua 12KV Blue 12KV RCS RCS Substation RCS Blue 12KV 1. Fault between Circuit Breaker and Midpoint RCS (time = 0s) 2. Circuit Breaker Opens (time = <1s) 3. Circuit Breaker Tests circuit; test fails (time = 15s) Process 4. Midpoint Switch Opens (t = 30s) 8. Fault is cleared/fixed 9. CB is closed to restore power to front half of circuit 10. Circuit is restored to normal Circuit Breaker 5. Circuit Breaker tests circuit again; test fails; CB locks out (t = 55s) 6. Tie RCS is remotely closed to pick up back half of circuit. 7. Circuit is patrolled by Troubleman Legend Copper Connection Single-mode fiber-optic Multi-mode fiber-optic Distribution Circuit Substation Fence RCS N LD
  19. 19. Avanti 12KV Circuit Protection Northpark 12KV Sweetwater 12KV RCS 1088 RCI 1449 RCI 1453 Shandin Substation RCI 1450 RCS 1365 Sweetwater 12KV 1. Fault between RCI 1449 and RCI 1453 (time = 0s) 2. Logic Processor Instructs RCI 1449 to Trip (time = <0.1s) 3. Logic Processor Instructs RCI 1453 to Isolate fault (time = .5s) Process 4. Tie Switch to Sweetwater closes to restore back half of circuit (t = 1 min) 5. Fault is cleared/fixed 6. RCI 1449 is closed to restore power to front half of circuit 7. Avanti is restored to normal Circuit Breaker Logic Processor Legend Copper Connection Single-mode fiber-optic Multi-mode fiber-optic Distribution Circuit Substation Fence RCS 0769 N LD RAR 0989
  20. 20. Scenario Analysis HECO Baseline Information HECO Model Development (GE MAPS/PSLF) Wind Forecasting NREL Oahu Transmission Studies Stead State Load Flow/ Transient Stability/ Short Circuit Steam Generator Improvements Load Control Standby/Quick Start Generation EMS/AGC Capability Analysis (KEMA) Oahu Routing Study and Engineering Design Submarine Cable Architecture and Specifications NREL Wind Resource Modeling NREL PPA Negotiations/ Interconnection Requirements Study Wind Capacity Calculation Steam Generator Projects EMS Upgrade Projects Load Control Projects Future Generating Resource Plan Oahu Transmission Projects Submarine Cable Procurement and Permitting (HECO/DBEDT) Integration of Variable Generation Follow-on Implementation
  21. 21. FOA 36 – Hawaii DREEM Demonstration
  22. 22. FOA 36 – Hawaii DREEM Demonstration (cont)
  23. 23. HECO Customer Microgrid EMS HECO EMS Advanced Metering Infrastructure (AMI) HECO Communication Microgrid Concepts Solar Wind Battery Storage Bio-Fueled Generator Smart Home Smart Building HECO Transformer
  24. 24. HECO Smart Grid Activities <ul><li>Conferences/Web Conferences </li></ul><ul><li>Vendor presentations </li></ul><ul><li>RFP for Smart Grid Activities </li></ul><ul><li>Stimulus Funding Proposals </li></ul><ul><ul><li>FOA 58 </li></ul></ul><ul><ul><li>FOA 36 </li></ul></ul>
  25. 25. Example of HECO High Level Road Map Work in Progress For illustrative purposes only
  26. 26. Operational Issues to Consider <ul><li>Variable Renewable Generation </li></ul><ul><li>2-way flow of electricity </li></ul><ul><ul><li>Safety </li></ul></ul><ul><ul><li>Equipment protection </li></ul></ul><ul><ul><li>Complexity </li></ul></ul><ul><li>Distribution systems are not networked </li></ul><ul><ul><li>Riding Through Disturbances </li></ul></ul><ul><ul><li>Islanding and Reconnecting </li></ul></ul><ul><li>Cyber Security/Physical Security </li></ul><ul><ul><li> </li></ul></ul>