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Manufactured by Seaforth EnergyThe world’s mostproven 50 kWwind turbine
The world’s most proven                                                  50 kW wind turbine                               ...
Proven performance                                                                                Proven durabilityThe AOC...
Independently proven                                                                                    AOC 15/50 third pa...
Wind turbine power curve                                                          Independently produced through testing b...
Annual energy produced                        Independently produced through testing by NREL & RISO.Trivigno, Italy, 2012
Proven design                                                                                                  The AOC 15/...
Proven process                                                                                                   Wind turb...
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New brochure 8 5x11 lowres-reference-only


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New brochure 8 5x11 lowres-reference-only

  1. 1. Manufactured by Seaforth EnergyThe world’s mostproven 50 kWwind turbine
  2. 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. 3. Proven performance Proven durabilityThe 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 protectedThere are AOC 15/50s all over the world that have been in service since the 1990s and continue in harsh 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 thatcan 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 hasand other stakeholders to see real-time production data from their turbine. At the same time, been developed through years of testing and 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 theoperation 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. 4. Independently proven AOC 15/50 third party tests and certificationsThe growth of renewable energy, while good for the industry and the environment, has also The National Renewable Energy Laboratory (NREL), located inresulted in a large number of untested wind energy solutions on the market. Seaforth Energy Golden, Colorado, is the United States’ primary laboratory forsupports the requirement that all wind turbines be tested and certified as being fit for its purpose renewable energy and energy efficiency research and 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 Windbeen independently tested at Sandia National Laboratories. Further, the AOC 15/50 has been Turbine - NREL 34305, Power Performance Test Report R3issued 3 UL Certificates. Wind Turbine Generator System Acoustic Noise TestSeaforth 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 ReportUS. 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 15/50Certification 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 Reportof Conformity for CE marking in Europe. Wind Turbine Generator System Duration Test Report forNo 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
  5. 5. Wind turbine power curve Independently produced through testing by NREL & RISO.Université Sainte-Anne, Church Point, Nova Scotia, 2010
  6. 6. Annual energy produced Independently produced through testing by NREL & RISO.Trivigno, Italy, 2012
  7. 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 peakoperational 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) atThe 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. 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 designProven team • • • Manufacture of turbine, blades, control panel, and tower Foundation installation Electrical installationEstablished in Nova Scotia, Canada in 1995, Seaforth Energy is a world leading wind turbine • Tower assembly and erectionmanufacturer and installer. • CommissioningA 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 locationsfeatures 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 withyears of experience. These years are comprised of thousands of hours of time engineering andimplementing a proven manufacturing process, and installing AOC 15/50 wind turbines all overthe world.Seaforth Energy’s multi-disciplinary team of engineers have spent years undertaking detailedanalysis, and implementing tested design standards, in order to support the successful operationof the AOC 15/50.Seaforth Energy’s manufacturing team is comprised of proven technicians who are extensivelytrained. This training ensures that the highest quality product is delivered at each of our AOC15/50 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, 1998identify, install, and maintain AOC 15/50 wind turbine sites around the world.
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