Copyright © SEL 2009Copyright © 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 ReduceCustomers Per

Section”

Normally open tie

Sub 1 FR1

FR4

FR5

FR6

FR7

Sub 2

651R

651R

651R

651R

FR2

FR3

FR10

FR9

FR8

651R651R651R351S

651R651R651R351S

Decentralized Communications Via Peer to Peer

Shared Decision Making

Add Fiber, Logic, and Communications

Normally open tie

Sub 1 FR1

FR4

FR5

FR6

651R

651R

651R

FR2

FR3

651R651R651R351S

Fiber pairs between controls

MIRRORED BITS communications

•••

•••

Automatic Network Reconfiguration (ANR) Includes Isolation,

Sectionalization, and Restoration

Centralized Communications ViaDA Controller

CB A R1 R2 R3 CB B

Normally Open

CB A R1 R2 R3 CB B

Normally Open

Protection Device Trips

Breaker

Fault

DA System Opens R1

CB A R1 R2 R3 CB B

Normally Open

Protection Device Trips

Breaker

Fault

DA System Opens R1

DA System Closes R2

CB A R1 R2 R3 CB B

Normally Open

Protection Device Trips

Breaker

Fault

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

Future 25 MW Photovoltaic Generation

Future 25 MW Photovoltaic Generation

Future 25 MW Photovoltaic Generation

SEL Confidential

Landfill, Coal Mine, and Dairy Farm Methane Becomes FuelCH4

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 NeededFaster Installation