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Manufactured by Seaforth Energy




The world’s most
proven 50 kW
wind turbine
The world’s most proven
                                                  50 kW wind turbine
                                                  The AOC 15/50 is the world’s most proven 50 kW wind turbine.

                                                  Manufactured by Seaforth Energy, the AOC 15/50 is a 50 kW wind turbine that provides
                                                  emission-free electrical energy for local electrical grid consumption, electrical generation direct
                                                  to panel, remote community wind-diesel integration, and off-grid village electrification.

                                                  The AOC 15/50 has been installed around the world, including in Canada, the United States,
                                                  the Caribbean, United Kingdom, Ireland, Italy, Spain, Morocco, and India.

                                                  The AOC 15/50 wind turbine is the evolution of the rugged and reliable Enertech E 44, originally
                                                  designed by the National Renewable Energy Laboratory (NREL) in the United States. Hundreds
                                                  of E 44s were installed in the 1980s, many of which are still running today.

                                                  In the 1990s, the Enertech E 44 was evolved into a 50 kW version called the AOC 15/50. Seaforth
                                                  Energy began manufacturing the AOC 15/50 in 1995.

                                                  Since that time, Seaforth Energy has assembled a team of engineers, installation and maintenance
                                                  technicians who are unparalleled worldwide for their proven knowledge and experience in the
                                                  responsible installation of 50 kW wind turbines.

                                                  Seaforth Energy’s customers range from governments through large commercial enterprises, to
                                                  small businesses and farmers. All of these customers share the same goals: to reduce their energy
                                                  costs and create a sustainable source of revenue, while helping to reduce atmospheric pollution.




                                                                                                         Dominican Republic, Las Galeras, 2008




                                                    On a site with an average annual wind speed of 6.7 m/s (15 mph)
                                                    the AOC 15/50 will displace approximately 156 tonnes of greenhouse
                                                    gasses annually.




Goldboro, Guysborough County, Nova Scotia, 2013
Proven performance                                                                                Proven durability
The AOC 15/50 has a verifiable track record of proven performance.                                The AOC 15/50 is designed to be durable in extreme weather conditions.

First deployed in the 1990s, the AOC 15/50 is the longest serving wind turbine in its class.      The AOC 15/50 features a sealed ductile iron drive train, which keeps the turbine protected
There are AOC 15/50s all over the world that have been in service since the 1990s and continue    in harsh climates.
to make power today. We have sold AOC 15/50 wind turbines to customers in Asia, Europe,
Africa, North America and South America.                                                          The AOC 15/50’s passive yaw, multiple braking systems, and off-the-shelf components all
                                                                                                  contribute to its durability, reliability, safety, and ease of service.
Seaforth Energy provides an internet based remote monitoring system for the AOC 15/50 that
can be accessed through wireless or hard-wired connections. The monitoring system allows owners   A complete maintenance methodology is included in the AOC 15/50’s User Manual that has
and other stakeholders to see real-time production data from their turbine. At the same time,     been developed through years of testing and operation.
support teams are able to monitor a variety of operational data points to ensure the efficient
                                                                                                  The AOC 15/50 has the longest length of service and largest breadth of deployment in the
operation of the AOC 15/50.
                                                                                                  50 kW class.
This combination of experience and technological expertise delivers proven performance.




                                                                                                    Design facts
                                                                                                    The wind turbine consists of a 15 m rotor that produces 50 kW.
                                                                                                    The towers are typically 18, 24, 30, 36 and 42 m in height. There are
                                                                                                    both monopole and lattice versions, with tilting versions of each
                                                                                                    to allow for lowering the turbine due to adverse weather conditions.
                                                                                                    The blades are epoxy-fibreglass composite and measure 7.2 m.
                                                                                                    The turbine has a constant, low speed blade rotation (64 rpm).
                                                                                                    The turbine freely rotates to align with the wind’s direction
                                                                                                    eliminating the need for an active yaw motor.




Forbes Lake, New Glasgow, Nova Scotia, 2013
Independently proven                                                                                    AOC 15/50 third party tests and certifications

The growth of renewable energy, while good for the industry and the environment, has also
                                                                                                        The National Renewable Energy Laboratory (NREL), located in
resulted in a large number of untested wind energy solutions on the market. Seaforth Energy             Golden, Colorado, is the United States’ primary laboratory for
supports the requirement that all wind turbines be tested and certified as being fit for its purpose    renewable energy and energy efficiency research and development.
by independent third parties.                                                                           The National Renewable Energy Laboratory (NREL) is a government-
                                                                                                        owned, contractor-operated facility; it is funded through the U.S.
The AOC 15/50 has been subjected to rigorous 3rd party testing. Much of this testing was carried        Department of Energy (DOE).
out at the U.S. National Renewable Energy Laboratory (NREL) in Colorado. The blade design has
                                                                                                        Power Performance Test Report for the AOC 15/50 Wind
been independently tested at Sandia National Laboratories. Further, the AOC 15/50 has been
                                                                                                        Turbine - NREL 34305, Power Performance Test Report R3
issued 3 UL Certificates.
                                                                                                        Wind Turbine Generator System Acoustic Noise Test
Seaforth Energy continues to pursue the latest certification standards for the AOC 15/50. The turbine   Report for the AOC 15/50 Wind Turbine - NREL 34021,
is currently on the Interstate Turbine Advisory Council list of approved small wind turbines in the     Acoustic Noise Test Report
US. It is approved for use by the New York State Energy Research and Development Authority
(NYSERDA), and is the only 50 kW wind turbine currently undergoing testing for the Small Wind           Wind Turbine Generator System Safety and
                                                                                                        Functional Test Report for the Atlantic Orient 15/50
Certification Council (SWCC) to be certified to AWEA 9.1. The AOC 15/50 also has its Declaration
                                                                                                        Wind Turbine - NREL 34382, Safety and Function Test Report
of Conformity for CE marking in Europe.
                                                                                                        Wind Turbine Generator System Duration Test Report for
No other turbine in the 50 kW class has completed this level of testing and certification.              the Atlantic Orient 15/50 Wind Turbine - NREL 34017, Duration
                                                                                                        Test Report



                                                                                                        Sandia National Laboratories, managed and operated by
                                                                                                        the Sandia Corporation (a wholly owned subsidiary of Lockheed
                                                                                                        Martin Corporation), are two major United States Department
                                                                                                        of Energy research and development national laboratories. They
                                                                                                        test alternative energy devices amongst a wide array of energy
                                                                                                        product testing.

                                                                                                        Analysis of a Composite Blade Design for the AOC 15/50
                                                                                                        Wind Turbine Using a Finite Element Model


                                                                                                        Underwriters Laboratories (UL) is a safety consulting and
                                                                                                        certification company headquartered in Northbrook, Illinois. It
                                                                                                        maintains offices in 46 countries. UL was established in 1894 and
                                                                                                        has participated in the safety analysis of many of the last century’s
                                                                                                        new technologies, most notably the public adoption of electricity
           Kotzebue, Alaska, July 1997
                                                                                                        and the drafting of safety standards for electrical devices & components.

                                                                                                        Acoustic Noise Test Report
                                                                                                        Power Performance Measures
                                                                                                        Control Panels
                        All our tests, reports and certifications are available by request
                        or online at www.seaforthenergy.com/aoc-1550/certifications
Wind turbine power curve
                                                          Independently produced through testing by NREL & RISO.




Université Sainte-Anne, Church Point, Nova Scotia, 2010
Annual energy produced
                        Independently produced through testing by NREL & RISO.




Trivigno, Italy, 2012
Proven design
                                                                                                  The AOC 15/50 is a downwind turbine. The two stage planetary gearbox is integrated in the
                                                                                                  single piece cast housing. See Figure 1 for a more detailed view of the drive train assembly.
                                                                                                  Note that the generator/parking brake assembly is flange mounted to the planetary gearbox.
The design of the AOC 15/50’s components and operation is the result of years of testing and
                                                                                                  Both turbine versions are designed to cut in at 4.9 m/s (10.2 mph). The 50 Hz reaches its peak
operational refinement. The AOC 15/50 has been engineered to deliver.
                                                                                                  continuous output of 55 kW at 15 m/s (34 mph); the 60 Hz achieves its peak of 65 kW (60 Hz) at
The designation 15/50 refers to the 15 m diameter rotor and the wind turbine is rated output of   16 m/s (36 mph).
50 kW. This rated output is achieved at 12 m/s (26.8 mph) by the 50 Hz version and at 11.3 m/s
(25.3 mph) by the 60 Hz version.

The AOC 15/50 includes the following design features:
                                                                                                  Figure 1: AOC 15/50 Wind Turbine Generator Drivetrain Assembly
                                                                                                                       2
                                                                                                                                                                                                      6
                                                                                                                                                                 1                        3
	      •	   Downwind, passive yaw
	      •	   High efficiency NREL designed airfoils
                                                                                                                                                                                                       6
	      •	   High strength to weight ratio fibreglass blades                                                                          2
                                                                                                                                                                 1                        3
	      •	   PLC controlled, aerodynamic tip brakes
	      •	   PLC controlled electro-dynamic brake
	      •	   PLC controlled multi-disk parking brake
	      •	   Single piece hub casting
	      •	   No slip rings                                                                                                                                                5
	      •	   Integrated planetary gearbox                                                                                                                                      4

	      •	   3-phase induction generator
                                                                                                                                                                         5
	      •	   Single piece cast tower top lattice tower interface
                                                                                                                                                                              4
	      •	   Custom height lattice tower or tubular tower
	      •	   PLC based controller with adaptive features
	      •	   Optional tilt-up tower for remote locations




                                                                                                                                                                     8


                                                                                                                                                            7
                                                                                                                                                                     8


                                                                                                                                                             7



                                                                                                  1 - Gearbox Assembly & Location of Oil Fill Plug   5 - Yaw Bearing Assembly             Overall Dimensions:
                                                                                                  2 - Generator / Parking Brake Assembly             6 - Rotor Hub Assembly               Length: 2.7 m (105 in)
                                                                                                  3 - Rotary Transformer                             7 - Twist Cable Suspension Bracket   Height: 0.8 m (30 in)
                                                                                                  4 - Lattice Tower Top                              8 - Yaw Lock Assembly                Width: 1.0 m (40 in)
Proven process
                                                                                                   Wind turbine projects are all unique due to the regulatory and geographic conditions present at
                                                                                                   each site.

                                                                                                   Seaforth Energy and its distributors have the expertise and experience to identify well performing
                                                                                                   sites for the location of an AOC 15/50.

                                                                                                   We have the necessary skills to navigate the regulatory compliance and interconnectivity processes
                                                                                                   specific to your location.

                                                                                                   The process of creating a successful wind energy project typically include the following steps:

                                                                                                   	      •	   Site Assessment
                                                                                                   	      •	   Building, electrical, and other relevant permits
                                                                                                   	      •	   Net-metering or Feed-in-Tariff agreement with local power company
                                                                                                   	      •	   Geotechnical survey of turbine site
                                                                                                   	      •	   Foundation design based on geotechnical results
                                                                                                   	      •	   Tower design

Proven team                                                                                        	
                                                                                                   	
                                                                                                   	
                                                                                                          •	
                                                                                                          •	
                                                                                                          •	
                                                                                                               Manufacture of turbine, blades, control panel, and tower
                                                                                                               Foundation installation
                                                                                                               Electrical installation
Established in Nova Scotia, Canada in 1995, Seaforth Energy is a world leading wind turbine        	      •	   Tower assembly and erection
manufacturer and installer.                                                                        	      •	   Commissioning
A commitment to maintaining the AOC 15/50’s design simplicity, rugged materials, and safety        Seaforth Energy’s experience installing turbines in many countries and geographic locations
features ensures that Seaforth Energy’s AOC 15/50 continues to produce clean electricity in a      allows us to actively assist our distributors and customers complete their installations successfully.
variety of wind regimes, locations and markets.

Seaforth Energy and its distributors provide a team of proven wind energy professionals with
years of experience. These years are comprised of thousands of hours of time engineering and
implementing a proven manufacturing process, and installing AOC 15/50 wind turbines all over
the world.

Seaforth Energy’s multi-disciplinary team of engineers have spent years undertaking detailed
analysis, and implementing tested design standards, in order to support the successful operation
of the AOC 15/50.

Seaforth Energy’s manufacturing team is comprised of proven technicians who are extensively
trained. This training ensures that the highest quality product is delivered at each of our AOC
15/50 installations.

Seaforth Energy’s team of sales professionals are amongst the most experienced in the world.
They have created a proven process to educate distributors and customers on how to best
                                                                                                                                          Cassop Elementary School, Durham, England, 1998
identify, install, and maintain AOC 15/50 wind turbine sites around the world.
+1 (888) 801-9321
sales@seaforthenergy.com
www.seaforthenergy.com

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New brochure 8 5x11 lowres-reference-only

  • 1. Manufactured by Seaforth Energy The world’s most proven 50 kW wind turbine
  • 2. The world’s most proven 50 kW wind turbine The AOC 15/50 is the world’s most proven 50 kW wind turbine. Manufactured by Seaforth Energy, the AOC 15/50 is a 50 kW wind turbine that provides emission-free electrical energy for local electrical grid consumption, electrical generation direct to panel, remote community wind-diesel integration, and off-grid village electrification. The AOC 15/50 has been installed around the world, including in Canada, the United States, the Caribbean, United Kingdom, Ireland, Italy, Spain, Morocco, and India. The AOC 15/50 wind turbine is the evolution of the rugged and reliable Enertech E 44, originally designed by the National Renewable Energy Laboratory (NREL) in the United States. Hundreds of E 44s were installed in the 1980s, many of which are still running today. In the 1990s, the Enertech E 44 was evolved into a 50 kW version called the AOC 15/50. Seaforth Energy began manufacturing the AOC 15/50 in 1995. Since that time, Seaforth Energy has assembled a team of engineers, installation and maintenance technicians who are unparalleled worldwide for their proven knowledge and experience in the responsible installation of 50 kW wind turbines. Seaforth Energy’s customers range from governments through large commercial enterprises, to small businesses and farmers. All of these customers share the same goals: to reduce their energy costs and create a sustainable source of revenue, while helping to reduce atmospheric pollution. Dominican Republic, Las Galeras, 2008 On a site with an average annual wind speed of 6.7 m/s (15 mph) the AOC 15/50 will displace approximately 156 tonnes of greenhouse gasses annually. Goldboro, Guysborough County, Nova Scotia, 2013
  • 3. Proven performance Proven durability The AOC 15/50 has a verifiable track record of proven performance. The AOC 15/50 is designed to be durable in extreme weather conditions. First deployed in the 1990s, the AOC 15/50 is the longest serving wind turbine in its class. The AOC 15/50 features a sealed ductile iron drive train, which keeps the turbine protected There are AOC 15/50s all over the world that have been in service since the 1990s and continue in harsh climates. to make power today. We have sold AOC 15/50 wind turbines to customers in Asia, Europe, Africa, North America and South America. The AOC 15/50’s passive yaw, multiple braking systems, and off-the-shelf components all contribute to its durability, reliability, safety, and ease of service. Seaforth Energy provides an internet based remote monitoring system for the AOC 15/50 that can be accessed through wireless or hard-wired connections. The monitoring system allows owners A complete maintenance methodology is included in the AOC 15/50’s User Manual that has and other stakeholders to see real-time production data from their turbine. At the same time, been developed through years of testing and operation. support teams are able to monitor a variety of operational data points to ensure the efficient The AOC 15/50 has the longest length of service and largest breadth of deployment in the operation of the AOC 15/50. 50 kW class. This combination of experience and technological expertise delivers proven performance. Design facts The wind turbine consists of a 15 m rotor that produces 50 kW. The towers are typically 18, 24, 30, 36 and 42 m in height. There are both monopole and lattice versions, with tilting versions of each to allow for lowering the turbine due to adverse weather conditions. The blades are epoxy-fibreglass composite and measure 7.2 m. The turbine has a constant, low speed blade rotation (64 rpm). The turbine freely rotates to align with the wind’s direction eliminating the need for an active yaw motor. Forbes Lake, New Glasgow, Nova Scotia, 2013
  • 4. Independently proven AOC 15/50 third party tests and certifications The growth of renewable energy, while good for the industry and the environment, has also The National Renewable Energy Laboratory (NREL), located in resulted in a large number of untested wind energy solutions on the market. Seaforth Energy Golden, Colorado, is the United States’ primary laboratory for supports the requirement that all wind turbines be tested and certified as being fit for its purpose renewable energy and energy efficiency research and development. by independent third parties. The National Renewable Energy Laboratory (NREL) is a government- owned, contractor-operated facility; it is funded through the U.S. The AOC 15/50 has been subjected to rigorous 3rd party testing. Much of this testing was carried Department of Energy (DOE). out at the U.S. National Renewable Energy Laboratory (NREL) in Colorado. The blade design has Power Performance Test Report for the AOC 15/50 Wind been independently tested at Sandia National Laboratories. Further, the AOC 15/50 has been Turbine - NREL 34305, Power Performance Test Report R3 issued 3 UL Certificates. Wind Turbine Generator System Acoustic Noise Test Seaforth Energy continues to pursue the latest certification standards for the AOC 15/50. The turbine Report for the AOC 15/50 Wind Turbine - NREL 34021, is currently on the Interstate Turbine Advisory Council list of approved small wind turbines in the Acoustic Noise Test Report US. It is approved for use by the New York State Energy Research and Development Authority (NYSERDA), and is the only 50 kW wind turbine currently undergoing testing for the Small Wind Wind Turbine Generator System Safety and Functional Test Report for the Atlantic Orient 15/50 Certification Council (SWCC) to be certified to AWEA 9.1. The AOC 15/50 also has its Declaration Wind Turbine - NREL 34382, Safety and Function Test Report of Conformity for CE marking in Europe. Wind Turbine Generator System Duration Test Report for No other turbine in the 50 kW class has completed this level of testing and certification. the Atlantic Orient 15/50 Wind Turbine - NREL 34017, Duration Test Report Sandia National Laboratories, managed and operated by the Sandia Corporation (a wholly owned subsidiary of Lockheed Martin Corporation), are two major United States Department of Energy research and development national laboratories. They test alternative energy devices amongst a wide array of energy product testing. Analysis of a Composite Blade Design for the AOC 15/50 Wind Turbine Using a Finite Element Model Underwriters Laboratories (UL) is a safety consulting and certification company headquartered in Northbrook, Illinois. It maintains offices in 46 countries. UL was established in 1894 and has participated in the safety analysis of many of the last century’s new technologies, most notably the public adoption of electricity Kotzebue, Alaska, July 1997 and the drafting of safety standards for electrical devices & components. Acoustic Noise Test Report Power Performance Measures Control Panels All our tests, reports and certifications are available by request or online at www.seaforthenergy.com/aoc-1550/certifications
  • 5. Wind turbine power curve Independently produced through testing by NREL & RISO. Université Sainte-Anne, Church Point, Nova Scotia, 2010
  • 6. Annual energy produced Independently produced through testing by NREL & RISO. Trivigno, Italy, 2012
  • 7. Proven design The AOC 15/50 is a downwind turbine. The two stage planetary gearbox is integrated in the single piece cast housing. See Figure 1 for a more detailed view of the drive train assembly. Note that the generator/parking brake assembly is flange mounted to the planetary gearbox. The design of the AOC 15/50’s components and operation is the result of years of testing and Both turbine versions are designed to cut in at 4.9 m/s (10.2 mph). The 50 Hz reaches its peak operational refinement. The AOC 15/50 has been engineered to deliver. continuous output of 55 kW at 15 m/s (34 mph); the 60 Hz achieves its peak of 65 kW (60 Hz) at The designation 15/50 refers to the 15 m diameter rotor and the wind turbine is rated output of 16 m/s (36 mph). 50 kW. This rated output is achieved at 12 m/s (26.8 mph) by the 50 Hz version and at 11.3 m/s (25.3 mph) by the 60 Hz version. The AOC 15/50 includes the following design features: Figure 1: AOC 15/50 Wind Turbine Generator Drivetrain Assembly 2 6 1 3 • Downwind, passive yaw • High efficiency NREL designed airfoils 6 • High strength to weight ratio fibreglass blades 2 1 3 • PLC controlled, aerodynamic tip brakes • PLC controlled electro-dynamic brake • PLC controlled multi-disk parking brake • Single piece hub casting • No slip rings 5 • Integrated planetary gearbox 4 • 3-phase induction generator 5 • Single piece cast tower top lattice tower interface 4 • Custom height lattice tower or tubular tower • PLC based controller with adaptive features • Optional tilt-up tower for remote locations 8 7 8 7 1 - Gearbox Assembly & Location of Oil Fill Plug 5 - Yaw Bearing Assembly Overall Dimensions: 2 - Generator / Parking Brake Assembly 6 - Rotor Hub Assembly Length: 2.7 m (105 in) 3 - Rotary Transformer 7 - Twist Cable Suspension Bracket Height: 0.8 m (30 in) 4 - Lattice Tower Top 8 - Yaw Lock Assembly Width: 1.0 m (40 in)
  • 8. Proven process Wind turbine projects are all unique due to the regulatory and geographic conditions present at each site. Seaforth Energy and its distributors have the expertise and experience to identify well performing sites for the location of an AOC 15/50. We have the necessary skills to navigate the regulatory compliance and interconnectivity processes specific to your location. The process of creating a successful wind energy project typically include the following steps: • Site Assessment • Building, electrical, and other relevant permits • Net-metering or Feed-in-Tariff agreement with local power company • Geotechnical survey of turbine site • Foundation design based on geotechnical results • Tower design Proven team • • • Manufacture of turbine, blades, control panel, and tower Foundation installation Electrical installation Established in Nova Scotia, Canada in 1995, Seaforth Energy is a world leading wind turbine • Tower assembly and erection manufacturer and installer. • Commissioning A commitment to maintaining the AOC 15/50’s design simplicity, rugged materials, and safety Seaforth Energy’s experience installing turbines in many countries and geographic locations features ensures that Seaforth Energy’s AOC 15/50 continues to produce clean electricity in a allows us to actively assist our distributors and customers complete their installations successfully. variety of wind regimes, locations and markets. Seaforth Energy and its distributors provide a team of proven wind energy professionals with years of experience. These years are comprised of thousands of hours of time engineering and implementing a proven manufacturing process, and installing AOC 15/50 wind turbines all over the world. Seaforth Energy’s multi-disciplinary team of engineers have spent years undertaking detailed analysis, and implementing tested design standards, in order to support the successful operation of the AOC 15/50. Seaforth Energy’s manufacturing team is comprised of proven technicians who are extensively trained. This training ensures that the highest quality product is delivered at each of our AOC 15/50 installations. Seaforth Energy’s team of sales professionals are amongst the most experienced in the world. They have created a proven process to educate distributors and customers on how to best Cassop Elementary School, Durham, England, 1998 identify, install, and maintain AOC 15/50 wind turbine sites around the world.