The transportation authorities are now planning to operate two lines exclusively with eBuses by the middle of 2013. During the Skiing World Championships in Schladming, Austria, one of these electric buses transported around 6,000 passengers and logged more than 1,000 completely emission-free kilometers.
Using this recharging technique it is possible to install a smaller battery system and at the same time save on investments in infrastructure. And thanks to their regenerative braking systems the electric buses can also recover energy. As soon as the driver takes his foot from the accelerator the energy recovery system is activated.
The drive system in these buses is significantly more efficient than a conventional diesel powertrain. Nine lithium iron phosphate batteries with a total capacity of 96 kilowatt hours supply the motor - through an IGBT power inverter that converts direct current to alternating current - with enough energy for up to 150 kilometers.
The batteries supply not only the drive system but also all of the onboard electronics, the heating, and the air conditioning.
Electric buses make a crucial contribution to protecting the environment and make our inner cities better places to live - and at the same time they have lower operating costs than diesel buses.
Dr. Norbert Aschenbrenner | Siemens InnovationNews
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27.07.2017 | Heraeus Noblelight GmbH
Ultrathin device harvests electricity from human motion
24.07.2017 | Vanderbilt University
Physicists working with researcher Oriol Romero-Isart devised a new simple scheme to theoretically generate arbitrarily short and focused electromagnetic fields. This new tool could be used for precise sensing and in microscopy.
Microwaves, heat radiation, light and X-radiation are examples for electromagnetic waves. Many applications require to focus the electromagnetic fields to...
Strong light-matter coupling in these semiconducting tubes may hold the key to electrically pumped lasers
Light-matter quasi-particles can be generated electrically in semiconducting carbon nanotubes. Material scientists and physicists from Heidelberg University...
Fraunhofer IPA has developed a proximity sensor made from silicone and carbon nanotubes (CNT) which detects objects and determines their position. The materials and printing process used mean that the sensor is extremely flexible, economical and can be used for large surfaces. Industry and research partners can use and further develop this innovation straight away.
At first glance, the proximity sensor appears to be nothing special: a thin, elastic layer of silicone onto which black square surfaces are printed, but these...
3-D shape acquisition using water displacement as the shape sensor for the reconstruction of complex objects
A global team of computer scientists and engineers have developed an innovative technique that more completely reconstructs challenging 3D objects. An ancient...
Physicists have developed a new technique that uses electrical voltages to control the electron spin on a chip. The newly-developed method provides protection from spin decay, meaning that the contained information can be maintained and transmitted over comparatively large distances, as has been demonstrated by a team from the University of Basel’s Department of Physics and the Swiss Nanoscience Institute. The results have been published in Physical Review X.
For several years, researchers have been trying to use the spin of an electron to store and transmit information. The spin of each electron is always coupled...
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27.07.2017 | Life Sciences
27.07.2017 | Life Sciences
27.07.2017 | Health and Medicine