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Renewable energy in Brazil: the new Aracati Wind Park

The State of Ceará has one of the largest installed capacities of wind energy in Brazil, and its conditions are ideal for generating energy thanks to its consistently high wind velocities, which on average exceed 10m/s. To make even more use of its favourable location and conditions of the federal state, additional wind parks are being built in Ceará.

This also includes the Aracati Wind Park located at Aracati and near the touristic beach Canoa Quebrada. The project consists of 47 new wind towers, each of which is 120 m high and supports a turbine with an output of 2.1 MW, allowing the park to reach a total output of 98.7 MW. Each wind tower is post-tensioned with six tendons installed inside the tower shaft.

Tendons had to be installed in just two months without elevators

The project was connected with several challenges for installing the tendons in towers without installed elevators while having to complete the work in a short time period. Type 78 Wire EX tendons were installed and stressed in approximately 22 towers in a period of just two months. Experienced technicians were able to achieve a high level of installation safety and efficiency throughout the project's construction period.

282 tendons and 1,128 bars were installed

In addition to the 282 tendons, Protendidos DYWIDAG also supplied and installed 1,128 36 mm Ø bars including accessories that were used on the last section of the tower to connect the concrete to the steel ring that supports the nacelle.

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