WEG to launch a 7 MW wind turbine
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The prototype should be ready for operation by 2024 and regular production to start in 2025
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WEG supplies transformers to wind and solar projects in Chile
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Upon discontinuation of power plants using coal for energy generation to take place in the country until 2040, several energy generation investments through the use of renewable sources become a key step to offer flexibility to the system and reach the goal of obtaining a sustainable energy grid by then.
To meet this growing demand for power generation through this configuration, WEG, through its manufacturing plant located in Blumenau, state of Santa Catarina, has just supplied two large transformers in the power range of 300 MVA and 260 MVA, both in 220 kV, to a large player operating in the energy market in Chile. These transformers will be used in two parks that, together, incorporate four different technologies, in a total of 253 MW in energy generation from renewable sources and 112 MW from application of batteries.
One of the energy generation projects comes from solar power source, with 180MW generation capacity, located in the Antofagasta region, in northern Chile, which will incorporate the largest lithium battery energy storage system in Latin America, known as BESS – Battery Energy Storage Systems.
Ten of these 180 MW photovoltaic panels will come from a revolutionary technology, which uses modular and prefabricated solar panels that allow installation in a third of the required time and occupy half of the surface. In turn, the BESS solution allows to store energy for 5 hours, capturing the energy generated by the sun’s rays long after sunset, resulting in a more competitive and resilient energy supply.
The other project, with 73 MW generation capacity, makes part of a 480 MW wind generation cluster, located in the Biobio region, which will contribute to making the Chilean electrical system even more sustainable.
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WEG supplies product package for a solar and wind power plant in Brazil
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WEG contributes to the increase of renewable energy sources in the world, providing solutions for the segment, as well as expanding its market share at global level. An example of this was a supply of step up substations and transformer made to a multinational energy sector company for five solar and wind power plants of more than 962.7 MW.
The substations provided by WEG for these five projects are complete turnkey solutions including preliminary study about the project, definition of a customer-dedicated solution, project management, construction and assembly. For customer satisfaction, WEG counts of a qualified and trained staff with proven experience, having delivered and operated more than 430 substations at all voltage levels up to 550 kV.
In addition to complete and customized delivery, turnkey substations offer significant advantages such as interface with other products that WEG manufactures, such as HV switches, HV transformers, MV/LV oil and dry transformers, panels – control/protection and auxiliary services, cabinets – control/protection of feeder bays, monitoring system and generators.
According to ONS (Brazil´s Electric Grid Operator), every transmission and power generation substation interconnected to SIN (National Interconnected System) system must include two energy sources for essential loads. So, in addition to substations and transformers, WEG has also supplied 69 kVA and 200 kVA, IP44 Degree of Protection synchronous alternators for these projects. The generator set will operate at an emergency/stand-by service duty to cover unexpected failures of power outages from the electricity grid, keeping in operation essential equipment such as computers, control monitoring systems, control panels, among others.
What allows WEG to be successful with this type of supply is its verticalized production process, combined with the customization of projects, which provide customers with high flexibility and delivery speed up. Associated to this, state-of-the-art equipment a qualified technical team and a comprehensive product portfolio ensure added value to each solution designed for the customer.
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WEG and Engie Brasil Energia complete installation of the first national wind turbine
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WEG and ENGIE Brasil Energia are completing the most important phase of the Research and Development Project named “National Aerogenerator”, which is the assembly of the equipment. Located in the municipality of Tubarão, state of Santa Catarina, the wind turbine is installed at ENGIE’s R&D experimental park and is the result of a Strategic Project of the company’s Research and Development (R&D) Program together with the National Electric Energy Agency (ANEEL). The wind turbine was designed and built by WEG and the second stage of the project also had resources from the R&D of Santa Catarina Electricity Utility (CELESC).
The project called “Development and certification of a national direct coupling 4.2 MW wind turbine with permanent magnet synchronous generator and full power drive”, aims at developing and encouraging national wind power technology to minimize dependability on others countries, by strengthening the Brazilian chain of component suppliers and service providers for the manufacture and installation of large size wind turbines.
The manufacture of the holding tower with more than 1,100 tons of steel and concrete was carried out by WEG at the wind turbine installation site. The generator, hub and nacelle, installed on top of the concrete tower, were produced by WEG at the headquarters manufacturing facilities located in Jaraguá do Sul, state of Santa Catarina, while the wind blades were manufactured by the company Aeris, in Caucaia, state of Ceará.
One of the project’s challenges was related to logistics, given the dimensions of the equipment and the distances covered. Generator, hub and nacelle, weighing about 201.3 tons, were transported 300km on a road trip from Jaraguá do Sul to to Tubarão. The blades measuring 72 meters long and weighing 22.5 tons each, were transported by ship from the Port of Pecém, in Ceará, to the Port of Imbituba, state of Santa Catarina and then sent to Tubarão on a special trailer, with support from the Federal Highway Police and state utility CELESC.
This new 4.2 MW turbine was installed 600 meters away from another 2.1 MW wind turbine, as a result of the first stage of this Strategic R&D Project, which was the first prototype built by WEG in Brazil. This wind turbine started operating in 2015 and the analysis of its performance contributed for the development of this new 4.2 MW wind turbine, more suited to the wind conditions in Brazil. The electricity generated will in the future be supplied to the National Interconnected System (SIN), which connects the generation utilities and electricity consumers.
“The development of the AGW 147/4.2 wind turbine relied on multi-discipline engineering teams. The final validation of the components was carried out at WEG’s headquarters in Jaraguá do Sul through the back-to-back platform. In such an arrangement, two wind turbines are mechanically connected facing each other, one operating as a generator and the other as a motor simulating the wind, which allows more autonomy to our R&D process. It is worth emphasizing that this test structure is the largest of its kind in the Americas, with testing capacity to serve future platforms up to 6MW. The second wind turbine used in the arrangement will be supplied to the Indian market, with the installation expected still in 2021”, says WEG Energy Managing Director, João Paulo Gualberto da Silva.
“ENGIE’s investment in this project is over R$ 80 million and tends to encourage the national market for wind power generation. The development of Brazilian technology can bring economic and social benefits to several regions, increase the country’s competitiveness for the supply of this equipment abroad and may come to reduce the cost of generated energy for direct benefit to consumers”, explains ENGIE Brasil Energia´s New Businesses, Strategy and Innovation Director, Guilherme Ferrari.
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