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Jinliang Li, Energy Systems Engineering Institute
Lehigh University, Bethlehem, PA 18015
Chambersburg Renewable Energy
Feasibility Study – Wind Turbine
Motivation Project Objective Pennsylvania Annual Average Wind Speed Map at 80m
Ch
am
bers
bu
rg
Chambersburg is a unique smart-grid
based self-sufficient electric utility in
Pennsylvania. It is a real-world example
of how a small utility can be successful.
Chambersburg is famous for its low
electric price rates and it is time to add
another title to Chambersburg, “Green
Energy Generation”. In August 3, 2015,
President Obama and EPA has
announced a new Clean Power Plan,
which is requiring a dramatic reducing
the Carbon pollution from power plants.
So it is a great opportunity to introduce
wind power into Chambersburg energy
portfolio, which could not only resolve the
carbon emission regulation issues but
also can expand Chambersburg’s electric
generation profile.
① A Detail Feasibility Study of
Wind Turbine installation
includes proper turbine models
and optimal pole heights
② A Construction Strategy
③ An Output Study of The
Designed Wind Turbine
④ A Financial Estimation of
Possible Cost and Payback
Period
Feasibility Study Conclusion
Wind Turbine Nacelle Components
Recommended Turbine Model Turbine Construction Strategy
5 m
45 m
40 m
Landscape Area = 0.5 x 40m x 45m = 900 m
Construction Area = 0.5 x 30m x 35m = 525 m
: Construction Point
Model Northern Power 60
Designed Life 20 years
Rotor Diameter 24.4 meter
Tower Type Tubular Steel Monopole
Hub Height 29 meter
Rated Wind Speed 11 meter/second
Gearbox Type No Gearbox (direct drive)
Generator Type Permanent Magnet
Controller TypeDSP-based Multiprocessor Embedded
Platform
Converter TypePulse-width Modulated IGBT
Frequency Converter
Rated Electrical Power 59.9kw, 3 Phase, 400VAC, 60Hz
Power FactorSet point adjustable between 0.9
lagging and 0.9 leading
• Financially, the project cannot be justified due to the long payback period of time which is about 40 years. It will greatly exceed the wind turbine
designed life which is 20 years.
• The wind turbine may provide other benefits to Chambersburg such as improved public image through green generation and being a new
technology adaptor.
Annul Power Output Financial Analysis
30 yrs.$235,000
$15,000
$250,000
$10,000
$10,000
$235,000
$225,000
151,077
$0.015
6-10 m/s
Supplier
Northern
Power
Systems29 Pitman Road
Barre, Vermont,
05641 USA
Hub Height vs. Wind Turbine Power Output
2
2
November 30th, 2015Ron Pezon,Rick Blum,
Rick Blum,
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