Smart Distribution Technology

Transcription

1 Smart Distribution Technology

2 Presentation Agenda Alabama Power Company, A Southern Company Distribution Automation Supervisory Control And Data Acquisition (SCADA) Multiple Address System (MAS) communications Enabling technology for Smart Grid Automation Technologies Benefits of Distribution Automation Integrated Distribution Management System (IDMS) Conclusions

3 Serve 4.4 Million Retail Customers Generating Capacity : 42,000 MW 120,000 Square Miles

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6 Distribution Automation Supervisory Control And Data Acquisition (SCADA) Substations Distribution Feeders Discrete Locations Multi-disciplined Installations Remote control Power Measurements Per Phase basis volts, amps, MW, MVAR Calculate MVA, power factor Fault Detection Power Quality Harmonics to 15th % THD

7 Distribution Automation Multiple Address System (MAS) communications SCADA communications infrastructure at Alabama Power 6 Communication Front-Ends 257 Master Radios today 282 planned by year-end > 3900 RTU Sites Deployment Strategy Area coverage Load density Expansion Plan

8 Distribution Automation Star Functionality Operations Fault Detection Planning Power Quality Distribution Automation Enabling technology for Smart Grid Fault Detection Planning Functionality DA Operations Power Quality Control devices in the electric distribution system Telemetry data to monitor state of the electric distribution system Support for self-healing nature of Smart Grid

9 Remote Terminal Unit Automation Technologies Facilitates communications between dissimilar technologies Seamless system-wide solution Protocol translation System heartbeat Advanced application support Substation Line Monitoring Line Recloser Sectionalizing Switch

10 Automatic Transfer Switchgear UG Network Relay Standby Generator Switched Capacitors Automation Technologies

11 Automation Technologies Full substation telemetry recommended Low-side bus voltage Monitor all 3 phase Smart Distribution Technology starts in the substation Feeder breaker Monitor all 3 phase Report harmonic content Power transformer Bank load Oil & winding temperature Bank relaying protection Bank condition 11

12 Automation Technologies Sectionalizing Switch Line Recloser Switched Capacitors Smart Distribution Technology extends to Distribution Grid Circuit Line Regulator Line Monitoring 12

13 Benefits of Distribution Automation Quantifiable Benefits Reduction of Operating and Maintenance expenses Increased revenue Optimized Capital expenses Qualitative Benefits Customer Value of Service (VOS) Reliability Measurement of soft dollars Value of one-hour of unserved energy during peak Varies across customer classes Customer satisfaction VOS supports multiple DA device deployment

14 IDMS Next generation operating system Connected model based on GIS database import Seamless integration of operating applications Single user interface environment Near Real-Time incremental update of electronic switching diagram Advanced applications to enhance operational decisions Distribution system-wide decisional analysis and operation Distribution system efficiency improvement

15 IDMS USERS DGIS SUB INFO MODEL VALIDATE BUILD Electronic User Environment (EUE) AMI CIS Meters Field RTU Devices DSCADA Distribution Model OMS IVR SWITCHING MANAGEMENT Business Rules Switching History ADVANCED APPLICATIONS OUTAGE HISTORY ANALYSIS Components included in the AREVA IDMS Existing or proposed systems 15

16 IDMS Outage Bounds Outage Indicator Affected Feeder Bounds IDMS Outage Visualization 16

17 IDMS Fuse -predicted interruption device Crew Location Outage Indicator (Crew Assigned) Called Customer Lateral -predicted out IDMS Outage Visualization Transformer -predicted out 17

18 IDMS AFISR (Automatic Fault Isolation and Service Restoration) Fault Detection and Location Optimal Volt/Var Loss Management Conservation Voltage Reduction (CVR) Unbalanced Load Flow Analysis Short Circuit / Coordination Analysis Contingency Analysis Advanced Outage Analysis / Prediction Vehicle Location System Dynamic Deration of Power Equipment (Harmonics) Distribution Operator Training Simulator

19 IDMS Two Alabama Power circuits in EPRI s Green Circuits collaborative project * 34.5 kv primarily urban residential circuit kv primarily rural residential circuit Voltage Optimization Results Quantity 34.5 kv kv Average voltage reduction (%) Energy reduction (%) CVR factor * R. C. Belvin, J. Green, T. Reed, and T. Short, Voltage Optimization More Than Pays for Itself, Transmission & Distribution World, vol. 62, no. 8, pp , August

20 Conclusions Distribution Automation is an enabling technology for the Smart Grid System telemetry provides Smart Grid intelligence Improved system efficiency is a Smart Grid goal Emerging system solutions supports Smart Grid deployment Smart Distribution Technology provides the foundation for the Smart Grid

21 Smart Distribution Technology