Blueprint for Grid Modernization

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Your Blueprint for Grid Modernization Starts Here


Learn more:
• Key lessons from NRGi's deployment and their plans to use grid health data from meters to troubleshoot problems in the low voltage network
• How to get beyond billing and offer new applications that can maximize your investment
• How other leading utilities plan to expand beyond billing using Echelon's multi-application platform

Published in: Business, Technology
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Blueprint for Grid Modernization

  1. 1. BLUEPRINT FOR GRIDMODERNIZATION
  2. 2. Welcome! NRGi Key Lessons Learned Poul Berthelsen, NRGi Blueprint for Grid Modernization Varun Nagaraj, Echelon Q&A
  3. 3. SpeakersPoul Berthelsen has been working in the Utility industry for 7 years --initially and has always been active in the distribution side of thebusiness, having technical responsibility for the remote reading system.Since 2007 he became responsible for the technical content of thetender procedure and evaluation of bids within NRGi NRGi.Varun Nagaraj brings more than 20 years of high tech product high-techplanning and strategy success and experience to Echelon. Varun wasthe CEO of NetContinuum (acquired by Barracuda Networks), servedas EVP of Marketing and Customer Operations for Ellacoya (acquiredby Arbor Networks), and was VP of Product Management andMarketing at Extreme Networks.
  4. 4. Poul Berthelsen, NRGiKEY LESSONS LEARNED
  5. 5. Who is NRGi
  6. 6. Danish Customer Owned Grid Company 210,000 customers 185 000 meters changed 185,000 3,700 Transformers 10kV / 0.4kV 0 4kV 2,000 solar installations Smart metering implementation and installation finished 2012
  7. 7. Low Voltage Network 10/0.4kV Y Average – 60 Customers/Transformer  (from 1 ‐ >500)
  8. 8. NRGi Solution• Supplier  Project management Supplier – Project management• meters • software f
  9. 9. More than Billing
  10. 10. More than Billing Billing
  11. 11. More than Billing Billing Heat Water
  12. 12. More than Billing Billing Heat Analysis Water
  13. 13. More than Billing Alarms Billing Heat Analysis Water
  14. 14. Demand More from Metering! Max/Min voltage Contract max  15 min resolution current  Billing 3 month Monitor power  FWD + REW factor Alarms Billing Heat Analysis  Flow Current 5 min Water resolution  Diff. Temperature Voltage  MWh THD  M3
  15. 15. Integration Overview
  16. 16. Integration Overview Goals & Objectives: • Never visit the meter – investigate more remotely Never visit the meter – investigate more remotely • Reduce costs of maintaining the grid • Troubleshoot grid health by analyzing meter data • Do not impact billing  b ll
  17. 17. Never Visit the Meter – Solve More Remotely!Collecting 15 min values and alarms from meters g Problems are investigated without disturbing load profile data
  18. 18. Example: Under-Voltage Problems Detected Voltage measured 206.35V
  19. 19. Example: Under-Voltage Problems Detected Voltage measured 206.35V Select the feeder
  20. 20. How We Configured Meters to Troubleshoot
  21. 21. How We Configured Meters to Troubleshoot
  22. 22. Results Combined with Communication Data L1 L2 L3 N Voltage  g L1 L1 L2 L2 L3 L3 "L1" Voltage  L2 L3 L1 L3 L1 L2 "L2" Voltage  L3 L2 L3 L1 L2 L1 "L3"
  23. 23. Current Measurement 120 100 80 60 40 20 L1 L2 0 L3 One transformer feeder 35 meter installations
  24. 24. Conclusion Private garage Old welding equipment generates peak current Voltage measured 206.35V
  25. 25. Key Lessons Learned Use proven technology  Best meter on the market  Proven software Communication system is important  Success rate >99.9% daily collection (data collected 4 times a day) Firmware updates should be possible  Allows you to add more functionality  Focus on integration Sh ld not need t visit meters after installation Should t d to i it t ft i t ll ti Implementation and integration is complicated
  26. 26. Varun Nagaraj, EchelonBLUEPRINT FOR GRIDMODERNIZATION
  27. 27. Low Voltage Grid Stress Points
  28. 28. Low Voltage Grid Stress Points Three main categories of stress:  1. Distribution transformer failures 2. 2 Outages & power quality issues impact service to customers Outages & power quality issues impact service to customers 3. Losses (technical and non‐technical)
  29. 29. Blueprint for Grid Modernization 3. Demand Management 2. Service Assurance 1. Smart Metering
  30. 30. Smart MeteringDemand TransformerManagement Start Protection Anywhere ySmart Service Quality Street LightingStreet Lighting Assurance Revenue Assurance
  31. 31. Smart MeteringDemand TransformerResponse Start Protection Anywhere ySmart Service Quality Street LightingStreet Lighting Assurance Revenue R Assurance
  32. 32. DISTRIBUTION TRANSFORMERFAILURES
  33. 33. Fewer than 1% of World’sTransformers Are Monitored Today
  34. 34. The Ageing Transformer Problem “The average age of transformers is rising worldwide. There is likely to be a significant increase in the number of failures by 2020”The Hartford Steam Boiler Inspection and Insurance Co., 2011
  35. 35. What Could Be Detected? Substation Transformer Imbalance; Outage g Overload Door Open? Overheating
  36. 36. What Could Be Detected? Substation Benefits of monitoring: Transformer Outage g Improves reliability • I li bilit Imbalance; Overload • Avoids transformer failures and blackouts • Extends useful life of transformers • Reduces maintenance costs Door Open? Overheating • Protects public safety
  37. 37. Echelon Solution COS App Substation Utility Datacenter Control Nodes
  38. 38. Monitoring at the Transformer Control Nodes Substation Monitors key failure & safety parameters at distribution  y yp transformers: • Load by Phase • Oil Level Smart Meters • Oil Temperature Oil Temperature • Moisture  • Winding Temperature  • Door Status • Ambient Temperature • Fan Control Locally trend, analyze, and communicate to data center Drop loads: Control relay, de‐activate load points
  39. 39. How it Works Control Modbus Node RS-232 RS 232 Sensor I/O ModuleCT CT CT T Air PT100 Temp sensors T Top Oil Humidity Oil Level T Bottom Oil Gas Sensors (H2, CO2, …)
  40. 40. Transformer Protection App COS App Substation Utility Datacenter Smart Meters
  41. 41. OUTAGES & POWER QUALITY ISSUES
  42. 42. OutagesP Power i t interruptions cost the EU €150B a year ti t th U.S. outages cost as much as $180B a yearPower QualityL Losses caused b poor power quality cost the EU d by li h €10 billion annually 16% of generation in EU is from renewables
  43. 43. What’s Happening? Over Voltage Increasing  Substation Frequency Under Voltage Under Voltage Frequency Drift Power Factor Degradation Outages
  44. 44. What’s Happening? Over Voltage Increasing  Substation Frequency Under Voltage Under Voltage Frequency Benefits of monitoring: Drift • Know about outages before customers call Know about outages before customers call • Meet power quality service obligation to customers  • Closely monitor voltage as PVs & renewables are added • Quickly narrow down location of problems to expedite  kl d l f bl d resolution Power Factor Degradation Outages
  45. 45. Echelon Solution COS App Substation Utility Datacenter Control Nodes Smart Meters
  46. 46. Smart Meters Substation • M it Monitor outages and PQ events at the meter t d PQ t t th Control t • Voltage sags and swells Nodes Smart • Phase loss and outage duration Meters • Out of spec frequency Out of spec frequency • Out of spec THD • Monitor meter health at strategic locations
  47. 47. Control Nodes Control Nodes Substation • Backup battery allows ECNs to communicate during outage • Local intelligence processes PQ events  Smart Meters • Aggregate & filter reports from all attached meters gg g p • Summarize disparate events into intelligent reports • Transmit only the data utilities need to the head end • Avoid “event storms” at head‐end Avoid  event storms at head end • Map outages & PQ events to LV grid for faster troubleshooting
  48. 48. Outage Detection - How it Works “Last Gasp” Alarm enabled by Backup Battery Pinpoint location of fault on three levels Transformer Station Switches Switches MV/LV Transformer Control Node 1 3 2Strategic Metersrepresenting each segment Logical Feeder “End of Line” Meters Segments for each feeder
  49. 49. Precise Outage Management and Restortion Reporting Accurately report outage times to regulators:  Notifies utility when each meter is without power & when power is restored  Meters keep exact time of interruption & recovery – no over reportage of outage  minutes to regulators  P i Precise outage information is provided to crews in real‐time  t i f ti i id d t i l ti  Information on cold load pick‐ups provided to bring up restored feeder lines
  50. 50. Power Quality Monitoring - How it Works Control Node
  51. 51. Power Quality Monitoring - How it Works Control Node 00:01 Voltage sag: Meter #1 00:01 Voltage sag: Meter #2 15 Voltage sag from 5 meters in 2 minutes 00:01 Voltage sag: Meter #3 00:01 Voltage sag: Meter #4 00:01 Voltage sag: Meter #5 00:02 Voltage sag: Meter #1 Control 00:02 Voltage sag: Meter #2 Node 00:02 Voltage sag: Meter #3 00:02 Voltage sag: Meter #4 00:02 Voltage sag: Meter #5 00:03 Voltage sag: Meter #1 00:03 Voltage sag: Meter #2 00:03 Voltage sag: Meter #3 00:03 Voltage sag: Meter #4 00:03 Voltage sag: Meter #5 00 03 V l M #5
  52. 52. Service Quality Assurance App COS App Substation Utility Datacenter Smart Meters • Combines detailed power quality and outage summaries into  one web interface one web interface • Cuts down investigation time into issues that impact  consumer’s quality of service 
  53. 53. LOSSES
  54. 54. Technical: 6-8% of energy is lost in T&D in advanced countries 10% gain i efficiency could h i in ffi i ld have saved th U S d the U.S. $5.7B in 2006Non-Technical: 30% theft is common in emerging economies 1-2% loss is common in US = $5M - $20M annually
  55. 55. Types of Losses Substation Non‐technical loss oss Technical loss
  56. 56. Types of Losses Substation Benefits of monitoring: • Proactively measure losses on low voltage grid Non‐technical • Detect unauthorized use fraud and protect revenue Detect unauthorized use, fraud, and protect revenue  loss oss Technical loss • Identify sources of above‐average losses to focus grid  improvements for better ROI
  57. 57. Echelon Solution COS App Substation Utility Datacenter Control Nodes Smart Meters
  58. 58. Smart Meters Substation • Tamper detection alarms notifies utilities of Tamper detection alarms notifies utilities of  Control unauthorized access to meter Nodes Smart • Rogowski coil sensors for accuracy even in the  Meters presence of strong magnetic fields
  59. 59. Control Nodes Control Nodes Substation • Local sensors monitor consumption at the transformer Local sensors monitor consumption at the transformer • Near real‐time comparison of energy  Smart • Transformer vs. total metered energy from all attached meters yield  Meters p possible sources of non‐technical losses  • Account for non‐metered sources such as street lights • Analysis at the edge saves WAN costs • Customizable algorithms compare usage patterns against Customizable algorithms compare usage patterns against  neighbors, similar homes
  60. 60. Revenue Assurance App COS App Substation Utility Datacenter D t t Smart Meters UI tracking Losses across vast LV distribution networks: • Aggregate & display summary results from “edge intelligence” • Hi hli ht i ifi t di Highlights significant discrepancies or larger then expected  i l th t d losses down to specific transformers • Archive historical data for pattern recognition
  61. 61. Today’s Announcement Echelon Launched COS App Beta  Transformer Protection  Service Quality Assurance  Revenue Assurance Apps Run on Echelon Energy Control Networking Platform  Includes head-end components (UI and App) ( )  Local processing distributes real-time intelligence to the edge  Improves grid reliability  Reduces data deluge at operations center For more information email COSapps@echelon.com
  62. 62. Q&A

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