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Airbus, Siemens and Rolls Royce Partner on Electric Aircraft Propulsions

Added by admin 27/12/17

Posted by David Wagman
26 November 2017,

Airbus, Rolls-Royce and Siemens are partnering to develop hybrid-electric propulsion for commercial aircraft.

The E-Fan X hybrid-electric technology demonstrator could fly in 2020. It will be tested on a BAe 146 flying testbed, with one of the aircraft’s four gas turbine engines replaced by a 2 megawatt electric motor. A second gas turbine would be replaced with an electric motor once the system is proven.

The E-Fan X follows a series of electric flight demonstrators, starting with the Cri-Cri, and including the e-Genius, E-Star and the E-Fan 1.2.

Airbus CTO Paul Eremenko said, “We see hybrid-electric propulsion as a compelling technology for the future of aviation.”

The E-Fan X demonstrator will test high-power propulsion systems, such as thermal effects, electric thrust management, altitude and dynamic effects on electric systems and electromagnetic compatibility issues. The objective is to push and mature the technology, performance, safety and reliability enabling progress to be made on the hybrid electric technology.

The program also aims to establish the requirements for future certification of electrically powered aircraft.

Airbus will be responsible for overall integration as well as the control architecture of the hybrid-electric propulsion system and batteries and its integration with flight controls.

Rolls-Royce will be responsible for the turbo-shaft engine, 2 MW generator and power electronics. Along with Airbus, Rolls-Royce will also work on the fan adaptation to the existing nacelle and the Siemens electric motor.

Siemens will deliver the 2 MW electric motors and their power electronic control unit, as well as the inverter, DC/DC converter and power distribution system. This comes on top of the E-Aircraft Systems House collaboration between Airbus and Siemens, which launched in 2016 and aims at developing electric propulsion system components and their ground-based testing across power classes.

The partners plan to meet the EU technical environmental goals of the European Commission’s Flightpath 2050 Vision for Aviation: reduction of CO2 by 75 percent, reduction of NOx by 90 percent and noise reduction by 65 percent. These goals cannot be achieved with existing technology, the companies say.
                                                   Story: IEEE GlobalSpec (Engineering 360)

                                                   Image: Artist's view of the hybrid electric aircraft. Credit: Airbus



EV commitment from national climate action leaders

Added by admin 10/12/17

Posted by Geoff Dobson
on December 8th, 2017

Australian climate action leaders aim to accelerate states and territories’ transition to electric vehicles after signing an agreement at a Climate Action Roundtable.
A memorandum of understanding (MoU) agreeing to develop a plan to increase the EV share in their fleets and to consider combining market power to promote EV public uptake was signed at a meeting in Adelaide.
Representatives also agreed to coordinate the strategic planning and construction of infrastructure for EVS and seek to align states’ standards and incentives.
South Australia, Victoria, Western Australia and the Australian Capital Territory, and the cities of Adelaide, Hobart and Darwin participated in the roundtable.
They committed to urgently progressing action to reduce greenhouse gas emissions and adapt to climate change impacts.
South Australia, Western Australia, the ACT, Adelaide and Hobart signed the MoU with the Electric Vehicle Council.
The roundtable also agreed to pursue opportunities for collaboration on policies to encourage energy efficiency in buildings and suburbs and the infrastructure that supports them.
Roundtable members have a shared commitment to ambitious climate change action consistent with the goals of the Paris Agreement.
In July they signed the Climate Leadership Declaration to highlight the role states and territories can play in climate change action and the economic benefits it can deliver.
Transport is the fastest-growing contributor to climate change globally, and other major economies are moving away from petrol and diesel-fuelled engines, climate change minister Ian Hunter says.
“It’s important that we are at the forefront of a transition to lower-emission vehicles in Australia – both to reduce greenhouse gases and other emissions, and to keep pace with global competitors.”
Hunter says states, territories and cities have an important role in increasing EV uptake as they control policies that can shift public perception and behaviour.
Electric Vehicle Council chief executive officer Behyad Jafari says the announcement is an encouraging step forward for Australia, seeing state and local governments committing to work together to drive progress on zero emissions transport.
“As the global market for electric vehicles grows exponentially, Australia has fallen behind. We need governments to take meaningful action to begin the process of transitioning our economy from imported oils to transport run from domestically generated renewable energy.
“I call on the remaining governments in Australia, particularly the federal government, to hear this call and join us in supporting a transition to a safer, healthier and cheaper road transport future.”
Hyundai Motor Company Australia public relations general manager Bill Thomas says it will do whatever is possible to support such initiatives.
The company, along with Renault, Tesla, BMW, Audi, Mitsubishi and Toyota, provided cars for the event.

This event was held in Victoria Square, Adelaide, on the 1st of December 2017.

More (photos)...
                                                   Story: EVTalk

                                                   Image: Eric Rodda (Secretary AEVA (SA) www.sa.aeva.asn.au



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