Hybrid drives also promise benefits in utility vehicles and construction machinery. Such devices are still, however, very much the exception in the market.
The new BINE Projektinfo brochure “Hybrid building machinery” (11/2015) presents a material handler with a diesel-electric drive. In order to supply the electric motor with electricity, part of the kinetic energy is converted via a generator into electricity and then stored in supercapacitors.
These and further optimisation measures enable the excavator to consume up to 40% less diesel while providing additional power reserves for special loads.
With the power of two motors
The rotary movements of the material handler’s upper superstructure, the house, are achieved via the electric motor’s drive and the energy released during braking is converted back into electricity. A generator flange-mounted to the 160-kW diesel engine charges the supercapacitors – the supercap pack.
The generator reverses its function as required, operating as a motor and supporting the diesel drive during peak loads. The supercap pack enables the two-way feeding and generation of electricity.
In contrast to lithium-ion batteries, which are used in cars, supercaps have the advantage that they have an extremely large number of cycles and a high charge and discharge efficiency.
With the test material handler, the interaction of the diesel engine, motor generator, energy storage system and the hybrid drive in the house was successful.
Another aspect of the research project was to optimise the auxiliary units. Demand-based configuration of the fans, pumps and alternator, as well as an adapted control system, enables up to 9% of the energy to be saved compared with standard units. The hybrid excavator is being developed as a joint project by Deutz AG, Robert-Bosch GmbH and Terex Deutschland GmbH.
The BINE-Projektinfo brochure “Hybrid building machinery” (11/2015) follow this link:
Uwe Milles/Birgit Schneider
About BINE Information Service
Energy research for practical applications
The BINE Information Service reports on energy research topics, such as new materials, systems and components, as well as innovative concepts and methods. The knowledge gained is incorporated into the implementation of new technologies in practice, because first-rate information provides a basis for pioneering decisions, whether in the planning of energy-optimised buildings, increasing the efficiency of industrial processes, or integrating renewable energy sources into existing systems.
About FIZ Karlsruhe
FIZ Karlsruhe – Leibniz Institute for Information Infrastructure is a not-for-profit organization with the public mission to make sci-tech information from all over the world publicly available and to provide related services in order to support the national and international transfer of knowledge and the promotion of innovation.
Our business areas:
• STN International – the world’s leading online service for research and patent information in science and technology
• KnowEsis – innovative eScience solutions to support the process of research in all its stages, and throughout all scientific disciplines
• Databases and Information Services – Databases and science portals in mathematics, computer science, crystallography, chemistry, and energy technology
FIZ Karlsruhe is a member of the Leibniz Association (WGL) which consists of 87 German research and infrastructure institutions.
http://www.bine.info/en - BINE Informationsdienst
Rüdiger Mack | FIZ Karlsruhe – Leibniz-Institut für Informationsinfrastruktur GmbH
Laser sensor LAH-G1 - optical distance sensors with measurement value display
15.08.2017 | WayCon Positionsmesstechnik GmbH
Engineers find better way to detect nanoparticles
14.08.2017 | Washington University in St. Louis
Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign have discovered a new use for these "bubbly" concoctions that will have major impact on the manufacturer of the world's thinnest, flattest, and one most useful materials -- graphene.
As graphene's popularity grows as an advanced "wonder" material, the speed and quality at which it can be manufactured will be paramount. With that in mind,...
Physicists at the University of Bonn have managed to create optical hollows and more complex patterns into which the light of a Bose-Einstein condensate flows. The creation of such highly low-loss structures for light is a prerequisite for complex light circuits, such as for quantum information processing for a new generation of computers. The researchers are now presenting their results in the journal Nature Photonics.
Light particles (photons) occur as tiny, indivisible portions. Many thousands of these light portions can be merged to form a single super-photon if they are...
For the first time, scientists have shown that circular RNA is linked to brain function. When a RNA molecule called Cdr1as was deleted from the genome of mice, the animals had problems filtering out unnecessary information – like patients suffering from neuropsychiatric disorders.
While hundreds of circular RNAs (circRNAs) are abundant in mammalian brains, one big question has remained unanswered: What are they actually good for? In the...
An experimental small satellite has successfully collected and delivered data on a key measurement for predicting changes in Earth's climate.
The Radiometer Assessment using Vertically Aligned Nanotubes (RAVAN) CubeSat was launched into low-Earth orbit on Nov. 11, 2016, in order to test new...
A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg presents evidence of the coexistence of superconductivity and “charge-density-waves” in compounds of the poorly-studied family of bismuthates. This observation opens up new perspectives for a deeper understanding of the phenomenon of high-temperature superconductivity, a topic which is at the core of condensed matter research since more than 30 years. The paper by Nicoletti et al has been published in the PNAS.
Since the beginning of the 20th century, superconductivity had been observed in some metals at temperatures only a few degrees above the absolute zero (minus...
16.08.2017 | Event News
04.08.2017 | Event News
26.07.2017 | Event News
18.08.2017 | Life Sciences
18.08.2017 | Physics and Astronomy
18.08.2017 | Materials Sciences