advanced distribution management it & ot … distribution management – it & ot convergence...
TRANSCRIPT
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Advanced Distribution Management – IT & OT
Convergence
Thomas Bialek, Ph.D., P.E.
Chief Engineer, Smart Grid
San Diego Gas & Electric Co.
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Yesterday Future State
Manually Design Switching plans to
resolve un-planned outages using
manually maintained operating
maps
Select Switching Plan from
automatically calculated scenarios.
Uses Real Time Information from
SCADA and CBM monitors
Outage Management System (OMS) Distribution Management System (DMS)
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Smart Utility Vision • Transmission
• Implement project to improve speed of response to grid issues
• Better utilization of data to proactively avoid issues
• More efficient utilization of resources
• Distribution
• Create a self-healing and resilient grid via real-time information
• Expand communications and remote control of devices
• Provision of balancing, storage, reliability and integration services to customers
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Utilization of Distribution Automation
• Distribution Planning utilizes SCADA to plan and design the system
• Distribution Operations can remotely operate breakers and switches
• Remote control of devices to automate functions
• Data used to investigate customer issues
• Diagnose and solve system problems
• Expedite electric load curtailment activities
SUMMARY OF CURRENT 12KV SUBSTATION SCADA ALLOCATION (As of 1/25/2011) Note: Figures represent 12kV distribution only. Additional customers are served on 4kV distribution.
SCADA NON-SCADA TOTAL
SUBSTATIONS 79 27 106
CIRCUITS (with SCADA @ SUB) 673 100 773
CUSTOMERS (with SCADA @ SUB) 1,111,915 150,763 1,262,678
FORECASTED LOAD (MW) 4573 526 5099
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AMI Data Mining
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Smart Meters – Data Volume • Previously, over
350 million data points (consumption reads) were taken annually from manually read analog meters and a small number of remotely read digital meters.
• Now we remotely read nearly 15 billion electricity usage data points annually from Smart Meters.
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Condition Based Maintenance (CBM) Project
Description:
CBM will allow SDG&E to extend the useful life and make greater utilization of
transmission and distribution substation assets by using technology to monitor the
assets’ health and performance.
Status: 98 Distribution substations and 17 transmission substation year end 2015
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Phasor Measurement Units
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• Range of 0.2 – 2 GB/day/PMU
• Range of 73 – 730 GB/year/PMU
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Synchrophasors • Time-synchronized high speed measurements taken throughout the grid
• Improve situational awareness
• Multiple applications including microgrids
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Image: Schweitzer Engineering Labs
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SDG&E Weather Network (144 Stations)
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Slide 11
29 Cameras
Borrego Springs, Creelman, Loveland, Rincon,
Rough-Acres, Warner Springs & other fire-prone areas
Monitor the weather
Impacts (vegetation, structures)
Flying Debris
Fire Preparation and Safety Monitoring Santa Ana’s
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Wireless Faulted Circuit Indicators
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Purpose
• Installation of wireless fault indicators (WFIs) to expedite location of distribution faults, using On-Ramp Wireless communication network.
Scope • Install roughly 3,600 WFIs at 1200 locations • Integrate with new OMS/DMS
Status • Moving to underground deployment
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SDG&E Borrego Springs Microgrid Project Project
Description:
In cooperation with the US Department of Energy and the California Energy
Commission, SDG&E and 10 public and private sector partners will develop a
microgrid project - a small version of its electric grid which takes advantage of local
distributed energy resources and state-of-the-art controls to enhance grid
operations – to achieve a >15% reduction in feeder peak load and improve system
reliability.
Current
Status:
•Site Selection complete – Borrego Springs
•Finalizing system requirements and high level design
•Developing customer communication plan
•Collaborating with environmental agencies to satisfy permitting requirements
Energy
Storage
Micro turbine
Rooftop PV Solar
Utility-scale Energy Storage
Distributed Generation
Home Energy System
Ground PV Solar Array
PHEVs
Switches
& Power
Electronic
s
National Energy Technology Laboratory
Distributed Energy Resources
Utility-scale Energy Storage
Rooftop PV Solar
Micro-turbines
Building Energy Storage
Community Energy Storage
Distributed Generation
Home Energy System
PHEVs
Ground PV Solar Array
Grid Resources
Capacitor Banks
Voltage Regulators
Automated Switches
Power Electronics
Communications
Information
Electricity Pricing
DER status
Demand Response Programs
Network status
Community Objectives
Load and Resource Profiles
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Outage Management System (OMS) Distribution Management System (DMS)
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• Aggregates display of
overall Summary of
outages in progress
and historical trend of
outage and restoration
activity for the
distribution operator.
• Real Time as-switched view of distribution
system.
• Integrated with AMI to more quickly detect
outages. Average of 10 minutes before first
customer call and 25 minutes before customer
calls would predict same outage location.
• Integrated with mobile dispatch system to
dispatch work and track crew status.
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Summary • Smart Grid is an evolution not a revolution
– Pace of technology adoption has increased
• Distribution automation is a foundational technology
• With AMI fully deployed the next task is mining the data
• Foundational IT upgrades essential to future SG technologies
• Modern communication system is essential for future SG deployment
• It’s not your parent’s distribution system – Data inundating the control center
– Complex integrated system
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Questions ?
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Thank you.
Thomas Bialek
Chief Engineer, Smart Grid
www.sdge.com/smartgrid/