Turbine Manufacturing
Nordex Group carries out scheduled quality assurance testing of the gearboxes of the initial N149/4.0-4.5 turbines
As part of the regular validation and certification process for its turbines in the Delta4000 series, the Nordex Group has replaced the gearboxes first installed in two N149/4.0-4.5 turbines in Wennerstorf, Lower Saxony, Germany. The turbines installed at this site in 2018 are the world’s first Delta4000 turbines of this model.
The turbines have been in operation since August and November 2018 respectively and are subjected to a detailed assessment of their condition after the first 15 and 24 months of operation. To this end, the manufacturer expertly dismantles the gearboxes into all individual parts in order to perform a qualified assessment with the bearing manufacturers and Nordex experts. The aim is to ensure the theoretically determined reliability and to incorporate early findings from the operation of the gearboxes into the series production and the further development of wind turbines with more than 4MW rated power. In addition to this, the Nordex Group obtains relevant information confirming the gearbox design and on optimising maintenance. The drive train is designed in such a way that gearboxes from different manufacturers can be installed. These planned gearbox exchanges give the Nordex Group an opportunity to install gearboxes from different manufacturers and to test and compare their behaviour and efficiency in real operation.
In the Wennerstorf wind farm the first turbine gearbox was exchanged in February 2020 and the second one in an adjacent turbine was now replaced in September as planned.
It was the second time a so-called “self-hoisting crane (SHC)”, which is installed on the turbine’s nacelle, has been used to exchange 4 MW+ gearboxes. This self-hoisting crane climbs up the turbine tower on its own hoist rope and installs itself on the topside of the nacelle. This means that it can be rapidly mobilised, requires little space on the ground and is less expensive to use. This solution has an advantage over conventional cranes, especially in remote regions, for turbines with very high towers or in countries where crane costs are generally high.
Manufacturers of wind turbines
SoyutWind: Powering Tomorrow from Today The Wind Turbine Manufacturer of Türkiye
In the heart of Türkiye, a revolution is spinning. Since 2000, SoyutWind, born from the legacy of Çolak Holding, has harnessed the invisible and unleashed the incredible.
We’re not just building turbines; we’re engineering the future.
At our factory in Ankara-TÜRKİYE, spanning 135,000 square meters with 15,000 square meters of indoor space, we work diligently every day alongside our skilled engineers and manufacturing team, knowing that we are shaping the future.
Our mission is to make renewable energy sources more accessible and effective, guided by our commitment to sustainable total quality management.
We continuously develop and rigorously test our wind turbine technologies to meet, exceeding the highest industry standards. Our international certifications reflect our unwavering commitment to sustainability and quality.
Our products, ranging from grid-connected wind turbines to residential battery-powered wind turbines and the Soyut WindMill agricultural water pump, are all developed with an unwavering commitment to innovation.
With our 50 years of industrial heritage, 25 years of wind turbine manufacturing experience, robust financial foundation, skilled and experienced team, an extensive domestic and international service network, and exceptional production and engineering capabilities, we proudly lead the way with groundbreaking achievements.
We face the future with confidence.
• Pioneers of direct drive wind turbines up to 1 MW – a first in Türkiye and the region
• Turbine capacity reaching up to 2.5 MW
• 50 years of industrial mastery
• 25 years of relentless wind energy innovation
Our sprawling 135,000-square-meter facility isn’t just a factory. It’s where dreams take flight.
SoyutWind stands as Türkiye’s premier local wind turbine manufacturer, holding the distinction of being the country’s first and only. Our international certifications attest to our world-class standards, while our expansive network spans nations, empowering communities. Our arsenal of innovation includes:
1.Grid-connected titans of power
2.Residential turbines bringing freedom to homes
3.Soyut WindMill – revolutionizing agriculture, one pump at a time
But our true power? It’s not in our machines; it’s in our people.
A team is driven not by the wind but by passion. By vision. By the unyielding belief that we can change the world, one turbine at a time.
With every rotation, we’re not just generating electricity. We’re powering dreams. Energizing economies. Breathing life into a sustainable future.
From the hills of Anatolia to the far corners of the globe, SoyutWind isn’t just riding the winds of change; we’re creating them.
Turbine Manufacturing
Powering the Future: LEITWIND’s Customizable Wind Turbines
LEITWIND, the only Italian manufacturer of megawatt-class wind turbines (ranging from 250 kW to 3,000 kW), stands out in the market for its ability to customize products, always aiming to find the most efficient and reliable solutions for its customers. This customer-focused approach has led to the erection of over 400 wind turbines worldwide, including 10 installations in Turkey
This success is driven by continuous investments in R&D and the support of LEITWIND’s parent company, High Technology Industries (HTI) Group—a global leader in the winter sports sector with brands like LEITNER, POMA, DEMACLENKO, and PRINOTH. The Group’s high standards of quality and reliability are recognized worldwide, with a global presence that includes 21 production sites, 108 branches, and 138 sales and service centers.
There are many factors that have made LEITWIND so competitive in the Turkish market: state-of- the-art technology, the offer of a complete all-inclusive package that includes, in addition to the standard supply of wind turbines, also the support during the authorization and construction procedures and the strong local presence: in fact, after LEITNER TURKEY, which opened in May 2012 to follow the ropeway industry, the subsidiary LEITWIND TURKEY opened its doors in Bursa.
With more than 20 years of expertise in megawatt-class wind turbines, LEITWIND differentiates itself from competitors through its “medium-sized” product portfolio (250 kW-3,000 kW), offering advantages such as easier transport, installation, and long-term management. Additionally, LEITWIND turbines are designed with a modular concept, allowing for adaptation to both customer needs and specific site requirements.
LEITWIND remains committed to continuous product optimization, with the LTW90 wind turbine (500-2,000 kW) standing as a prime example and the flagship model in LEITWIND’s portfolio. Boasting a large rotor surface, the LTW90 excels in energy production, even in low-wind areas, making it an ideal choice for single-installation projects. In 2023, the first LTW90 with a capacity of 1,500 kW was successfully installed in Lüleburgaz (Kırklareli).Looking ahead, a 2,000 kW LTW90 installation is planned for 2025, underscoring the global significance and competitive edge of the LTW90 model in the
Turbine Manufacturing
Innovation and Sustainability: LEITWIND transforms the Turkish Wind Energy Market
Wind energy plays a key role in achieving our country’s renewable energy goals. LEITWIND, an Italian company specialized in the design, installation, and maintenance of megawatt-class wind turbines (ranging from 250 kW to 3,000 kW), thanks to its investments in R&D and its wide product porfolio, is able to offer the most suitable solution for every need, ensuring the highest quality and reliability.
A clear example of this commitment is the development of the configuration LTW90 with a nominal power of 1500 kW. With its large rotor diameter, this turbine ensures significant energy production even in low wind conditions, setting it apart from competitors in the same market segment.
In spring 2023, the first installation of this wind turbine in Turkey was successfully completed in the municipality of Lüleburgaz, located in the province of Kırklareli in the Marmara region. The average annual energy production of this wind turbine’ can meet the annual consumption of over 1,100 Turkish households. Furthermore, the wind turbine is equipped with D4.1 generator, the most advanced generator model, which offers significant benefits in electrical power control, efficient use of brakes , compliance with grid codes, and reduced noise emissions.
“There are several factors that have made LEITWIND so competitive in the Turkish market: cutting- edge technology, the approach to investments in line with European standards, and, last but not least, a strong local presence: in fact, after LEITNER TURKEY, inaugurated in May 2012 for the ropeway sector, LEITWIND’s Turkish subsidiary opened its doors in Bursa LEITWIND differentiates itself from its competitors in every single phase of the project , from the quickness of installation to the wide range of services offered, from the quality and reliability of the products to the quick return on investment and definitely for the know-how shared with the HTI Group, to which it belongs. This has allowed us to successfully install 10 LEITWIND wind turbines in Turkey and enables us to work with an increasing number of local investors,” stated Can Güven, Sales Manager Turkey.
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