Copyright © SEL 2009 Practical Applications of Smart Grid Technologies David J. Dolezilek Schweitzer Engineering Laboratories, Inc.

Improve diversity, availability, and efficiency with information, computation, and communications Increase Storage Improve Renewables Decrease Emissions

Improve reliability, stability, and economy with information, computation, and communications Decrease Costs Improve Safety Increase Reliability

Intelligent, Local Observation, Decision, and Action Local Decision Making

“We Reduce Customers Per Section”

Decentralized Communications Via Peer to Peer Shared Decision Making

Add Fiber, Logic, and Communications

Automatic Network Reconfiguration (ANR) Includes Isolation, Sectionalization, and Restoration

Centralized Communications Via DA Controller

Isolate Faulted Sections, Restore Unfaulted Sections From Alternate Sources

Finding Faults Faster With Wireless Underground Fault Indication

ComEd Chicago Uses Visual and Wireless Faulted Circuit Indicators

Meters Calculate Line Loss, Control Transfer Switches, Monitor Power Quality

Distributed Energy Resources (DER) Include Wind, Solar, and Waste

SEL Confidential Solar Generation Includes Photovoltaic and Steam Turbines PV – Photovoltaic CSP – Concentrating Solar Power

SEL Confidential Expandable Bus Protection Serves Solar Installations

SEL Confidential Landfill, Coal Mine, and Dairy Farm Methane Becomes Fuel

XE Minnesota Smart Substation Smarter, Faster, Smaller

Distributed IEDs Near Apparatus

Fiber Process Bus Publish / subscribe SV and GOOSE Hybrid Process Bus Publish / subscribe GOOSE Analogs via CCs

Fiber Optics Replace Copper in Brasil

Outdoor Cubicles Reduce Cabling in Vietnam

No Building Needed Faster Installation