115kV Substation Design
EE 491Spring 2013
Jane
Peters
Matt
Murphy
Riley
Groves
Muzi Li
Jared
Jasper
Setting the Stage
• Sponsor: Burns and McDonnell
• Adviser: Dr. Ajjarapu
• Clarifications
– Educational purposes only
– Modified project plan
Project Description
• What?
115kV substation (switchyard)
• Where?
Hypothetical location on Iowa State campus
• Why?
To accommodate a hypothetical new wind farm
• When?
Immediately (utilizing tried and true current tech)
• How?
Act as a contract team
Strategy Development
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Project plan document
Design document
GANNT Chart
WBS (Work Breakdown Structure)
Legend of symbols
Bill of materials
These materials are provided on our website at:
http://seniord.ece.iastate.edu/dec1303/index.html
Requirements
• Design services
– Layout will allow for future expansion
– 125 Volt Station Battery supply for station service
outage
– Fiber-Optics communication between substations
– The substation be designed with Iowa weather in
mind
• Safety
– Clearance for emergency vehicles
– Clearance for removal of defective parts
– Ground grid capable of handling a fault
• Follow industry and company standards
Deliverables
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One-line diagram
Three-line diagram
Physical campus layout
Foundation layout
Grounding grid layout
Bus and insulator sizing
Component raceway
• Service station
transformer design
• Control house layout
• Control systems
• Relay wiring
• 125VDC battery design
ADVISER: Role within system description
Constraints & Risks
Project Constraints
Project Risks
• Burns and McDonnell
expectations
• Standards
• Hierarchy of
development
dependency
• Hierarchy of
development
dependency
• Learning curve
• Design validation
Solution:
Design reviews
Project Resources
• Software Tools
– AutoCAD
– WinIGS
• Design Resources
– Burns and McDonnell design team
– Industry design standards
– External Reference material
Team Breakdown
• Jane Peters (Team Leader)
– project documents, one-line, control building, three-line, section
cuts, relay wiring
• Jared Jasper (Team Webmaster)
– website maintenance, site design, grounding layout, section cuts
• Riley Groves (Communications Coordinator)
– one-line, three-line, client communications, raceway, grounding
layout, relay wiring
• Matt Murphy (Grounding Expert)
– one-line, three-line, raceway, grounding, control building, bus and
insulator sizing
• Muzi Li (Layout Expert)
– foundation design, grounding layout, site design, bus and insulator
sizing
Project Verification
• Campus Resources
– Dr. Ajjarapu
– Dr. Christy
– Weekly progress review meetings
• Burns and McDonnell Design Team
– Bi-monthly design review meetings
Current Status
Implementation
Researched
• One-line: COMPLETE
Reviewed by Burns and
McDonnell
• Physical Campus Layout:
IN PROGRESS
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– Seeking design guidance
– Referencing design
guides
Project Plan
Design Document
GANNT Chart
WBS
Symbology
Software packages
– AutoCAD
– WinIGS
Acknowledgements
In conclusion, we would like to extend a,
“thank you”, to the following resources for
their help throughout this project:
• Brad Jensen and Nathan Schares, Burns
and McDonnell
• Dr. Ajjarapu, Dr. Christy and Jason Boyd,
Iowa State University
• P. Meliopoulos, Georgia Institute of
Technology
One
Line Diagram
One Line
Diagram