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Minnesota Power –
Energy & EngineeringIntroduction to technical aspects of renewable (Wind & Water) energy systems
and discussion of skills and abilities to achieve as engineers.
MP Background & My Role
UMD Engineering Graduates –
MP EmployeesAl Rudeck (ChemE) –
VP of Generation *Caleb Siffring (EE) –
Engr
SvcsBob Ardren (EE) –
TelecommThomas Connolly (EE) –
Boswell
MP Engineering ShadowRob Toland –
Central HS (Duluth)
*Kris Wiire
(EE) –
Telecomm
MP Engineering InternQuinten Johnson –
Engr
Svcs
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MP’s oldest Generation – 1895
Operation –Run of River/Ponding
Dam Safety
Mechanical/Electrical Protections
Water Power
Minnesota Power –
Energy & Engineering
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Minnesota Power –
Energy & Engineering
Thomson Hydro
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Minnesota Power –
Energy & Engineering
Thomson Hydro
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Minnesota Power –
Energy & Engineering
Thomson Hydro
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Minnesota Power –
Energy & Engineering
Thomson Hydro
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-
Development Studies
-
Land Acquisition
- Site Suitability
-
Turbine Supplier & TSA
- Select WTG Platform & OptionsEnergy = 1/2 * p * A * v^3
Minnesota Power –
Energy & EngineeringWind Power
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-
Site Layout
-
Roads, Turbine Siting
& Foundations
- Collection System & Communication
-
Substation & Transmission
-
Logistics
Minnesota Power –
Energy & EngineeringWind Power
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- Contracts
- Sitework
-
Foundations
-
Electrical Infrastructure
-
Turbine Erection
Minnesota Power –
Energy & EngineeringWind Power
-
Commissioning & Operation
Tac
Ridge Overview…
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Regulatory & Environmental Benefits
MN Energy Act 2007 - Minnesota Power must provide renewable energy in proportion to retail electric sales:
12% by 2012
17% by 2016
20% by 2020
25% by 2025
Help Reduce MP’s Carbon (CO2) Footprint
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Build & Expand Upon MP Core Competencies
MP has many of the necessary core competencies to own, maintain and operate the wind farms
Most viable option to achieve growth in renewable energy for MP.
MP will pursue other renewable options (Wind, Water, Wood)
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Clipper Wind Turbine Technical Highlights
Liberty Series 2.5 MW
2.5 MW Total, 4 - 625 KW Generators - DC→AC
96 m Rotor Diameter (315 feet)
80 m Tower Height (262 feet) – 4 Sections, Tapered 14.5’ to 10’ Diameter
Cut-in velocity – 4 m/s, Cut-out Velocity – 25 m/s
2 metric ton jib hoist / roll-up door
Service lift
Cold weather package (-40 C)
Oil containment at the yaw deck
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Clipper Wind Turbine Components
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Clipper Wind Turbine Components
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Clipper Wind Turbine Components
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Clipper Wind Turbine Components
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Clipper Wind Turbine Components
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Project Pictures
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Turbines & Engineers
-
How is the Energy Produced?
-
Storage?
-
How Operate?
-
Maintenance
-
Worldwide Industry
Minnesota Power –
Energy & EngineeringWind Power
-
Current Generation & Future Plans
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Rising from the Ashes: Redeveloping the Prairie River Project
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The Prairie River Project
•
A little project background…–
Prairie River Hydro•
Built in 1920 by Blandin
Paper Company•
Total capacity 1084 kW•
Operator’s residence –
upper level
•
MP Purchased in 1982•
Partially automated –
run from Thomson Hydro
•
Routine maintenance until 2008 when…
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The Prairie River Project
•
A little project background…–
Prairie River Hydro•
Built in 1920 by Blandin
Paper Company•
Total capacity 1084 kW•
Operator’s residence –
upper level
•
MP Purchased in 1982•
Partially automated –
run from Thomson Hydro
•
Routine maintenance until 2008 when…
•
Fire destroyed the powerhouse
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The Prairie River Project – Rebuild Study
•
Original Project Background ––
Selected HDR Engineering•
Study included 4 Options•
Option 1 –
Rebuild “like-kind”
no T1 work–
Only for insurance settlement negotiation•
Option 2 –
Rebuild same generation, least cost structure & crane including T1 overhaul
–
Additional generation with turbine efficiency improvements, approximately 10% more MWh
•
Option 3 –
Rebuild at most efficient generation for watershed–
Not practical –
licensing, reconstruction, lower generation
•
Option 4 –
Decommission/Sell–
Non-rate base, shareholder responsibility, negative public relations
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•
Recommendation and Decision -–
Rebuild the facility•
“Least cost”
powerhouse with overhead crane•
Improved Safe Work Practices•
Overhaul Turbine 1•
Arc Flash Compliance•
Modern Equipment/Automation/PDM/Reliability•
Security Enhancements
–
Benefits•
Increased renewable generation over “as was”
condition•
Positive impact on shareholders, ratepayers maintain renewable energy diversity
•
Lower ongoing operational costs•
Positive public relations•
Construction jobs
The Prairie River Project – Rebuild Study
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•
Expanded ‘Least Cost’
Structure -–
Design & Engineering•
SHPO•
Exterior Aesthetics
The Prairie River Project – Powerhouse
•
Security -
Access•
Crane –
Truck Bay•
Switchgear, Generator & Mezzanine Levels
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•
Rebuilding the Powerhouse
The Prairie River Project – Out of the Ashes
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•
Rebuilding the Powerhouse
The Prairie River Project – Out of the Ashes
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Engineering
-
Problem Solvers
- Experts?
-
Responsibility
- Team
-
Knowledge & Information Seekers
-
Continuous Improvement
Main Ingredient to be successful??
COMMUNICATION
-
Black Box Thinkers?
Minnesota Power –
Energy & Engineering
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Questions or Thoughts from the Audience?