Japanese Breakthrough in Wind Turbine Design
In light of recent events, Japan has been urged to pay more attention to renewable energy sources. Coincidently, in the same month as one of the world's worst nuclear crises devastated Fukushima, an incredibly innovative wind turbine system revealed itself on Kyushu University's campus for field testing. With a promise to generate two to three times the power of traditional models, the new turbine designs exemplify the potential for a cleaner energy future in Japan and around the world, removed from the dangers of nuclear power plants.
While energy from wind turbines currently accounts for less than one percent of total power generated in Japan, the new breakthrough in design provides ample reason to ramp up production. Called the 'Windlens,' Yuji Ohya, a professor of renewable energy dynamics and applied mechanics, and his team at Kyushu University have created a series of turbines that could make the cost of wind power less than coal and nuclear energy.
The two major concerning issues with traditional turbines have been their general inefficiency and intolerable noise. However, Kyushu's researchers found that attaching an inward curving ring around the perimeter of a turbine's blades increases the focus of airflow faster through the blade zones at two to three times the speed as before. An improvement in safety from covering the outer edges of the blades and a reduction of the dreaded noise pollution of older models is just a bonus.
SEE OTHER TOP STORIES IN THE ENERGY DIGITAL CONTENT NETWORK
To take advantage of Japan's coastal wind power potential, the Kyushu team has also designed a hexagonal-shaped base for the turbines that would be low in cost, but still strong enough to endure marine conditions. In addition to overall structural improvement of the traditional turbines, the bases would also make it easier to link other turbines at sea together and enlarge platforms.
“I believe that offshore 'wind lens' turbines will become a reliable source of energy if safety is ensured and the cost is cut to float them stably on vast sea surfaces,” said Prof. Yusaku Kyozuka on the research team at Kyushu University.
Can others in the industry easily adopt a similar design to make older turbines more efficient?
Although the 'wind lens' appears simple, it consists of complex technological planning and extensive field testing. Poorly engineered models that have failed in the past have left a bad impression on many users and policy makers, hurting the image of the entire industry, according to Chris Takashi Matsuuar, a collaborator working in the UK to promote the Windlens globally.
"Therefore, we will develop a whole turbine system of our own, including not only the lens shroud, but also the blades, generator, controller, etc.," he said. "The best way [to move forward] is to replace old turbines as a whole with our new smart Windlens system."
What is the current stage of testing?
Several types of turbines have been designed with different power ratings and many are still undergoing testing. As of March this year, two units of turbines with a capacity of 70 to 100 KW (blade diameter of 12.8) have been installed on campus at Kyushu University for field testing.
The more widely used, smaller units with a capacity of 3 to 5 KW (blade diameter of 2.5 meters) have been picked up by some industrial users and installed in many locations, including the Gansu Province of China for a desert irrigation project and several coastal areas in Fukuoka City, Japan. The floating Windlens systems have been tested in a water tank at an in-house laboratory at the University, but actual field test installations for the first marine turbines are almost ready and should take place sometime this month, Matsuuar hopes.
However, field tests take time and it could be several months to two years before the Windlens makes a significant impact on Japan's energy system. The good news is the "Windlens has already attracted great expectations globally and will make a huge, real impact for the power generation in not only Japan, but also in the U.K., E.U., U.S., Canada and other parts of the world, as soon as the field test gives good results on the designed performance and safety," said Matsuuar.
Awesense launches digital clean energy marketplace
Awesense has launched what it claims is the only energy-focused repository of solutions built to drive the industry's decarbonization agenda.
The Awesense Marketplace aims to provide a common framework for companies to collaborate towards the future of clean energy and digital transformation, uniting applications, solutions and algorithms to solve energy and grid challenges.
Solutions listed on the marketplace cover a range of cases, and launch companies include Doosan GridTech, Kitu Systems, vadiMAP, LO3 Energy, ENGIN, Utilidata, Clir Renewables, ChargeLab, SensorLink, Exeri, Easy SmartGrid, and Athena Power.
“We are welcoming a new era in the decarbonization of energy systems,” said Mischa Steiner, CEO of Awesense. “The goal of achieving a clean energy future requires collaboration amongst key industry players in the utilities and energy sectors. Sharing resources through the Marketplace means that our customers and partners have a truly seamless approach as we work towards our common goal - ultimately, decarbonizing the world’s energy system.”
Utilities, consulting companies, and other organizations struggle to develop solutions that can be scaled across many jurisdictions due to complex data integration and the lack of a standard, open data model. Using the solutions offered throughout the Marketplace, organizations can rapidly accelerate their transition to a decentralized, decarbonized future and develop solutions that are scalable across industry. The platform will open up new revenue streams in areas such as:
Distributed energy resource integration and control
Electric vehicle charging
Demand response and smart-home management
Intelligent asset management
Advanced distribution system management
The new marketplace builds on Awesense's Digital Energy Platform, a digital twin based energy analytics platform that allows utilities to scale at the same pace as the rapidly changing technology landscape of the energy grid.
Together, the Open Energy Data Model and the Awesense Marketplace removes hurdles around data mapping and transformation, expedites data preparation and refining, and provides a common framework for companies to collaborate.
“The energy-specific data model allows utilities, technology companies, consulting firms, and other vendors to build solutions that can be easily integrated by other energy companies, to make a real impact on the industry as a whole, and develop new revenue streams for their organizations” said Steiner. “We’re looking forward to seeing the Awesense Marketplace grow as more partners committed to energy decarbonization join us.”
There are no simple solutions to putting the world on a sustainable path to net-zero emissions, according to the IEA. Reducing global CO2 emissions will require "a broad range of different technologies working across all sectors of the economy in various combinations and applications." it notes.
Renewable Energy Hub of South Australia formed
Amp Power Australia has established the Renewable Energy Hub of South Australia, a strategic portfolio of large scale integrated Solar PV, Wind and Battery Energy Storage assets located in South Australia. The hub also includes the siting of the Spencer Gulf Hydrogen Energy Ecoplex, forming part of the South Australian Government's Hydrogen Action Plan.
The portfolio, acquired from EPS, includes three large Solar PV projects totalling over 1.3 GW of generation, located at Robertstown (636 MW), Bungama (336MW) and Yoorndoo Ilga (388MW) with a total BESS capacity of up to 540MW across the portfolio.
Amp's expansion in Australia will include the implementation of Amp X, a proprietary digital energy platform 100% owned by Amp, which provides a diverse portfolio of disruptive and interoperable grid edge solutions, and includes a smart transformer, which enables real-time autonomous management and optimised dispatch of all forms of distributed generation and loads across the grid.
Palmetto recently opened its marketplace in Arizona, and is now serving 20 states across the country, claiming its proprietary technology, marketplace business model, and consumer mobile application "are all designed to democratize access to clean energy".