RWE Innogy GmbH | Date: 2017-03-15
The invention refers to a bolted joint of an offshore structure comprising first and second connecting elements, the first connecting element forming part of an offshore tower or an offshore platform and the second connecting element forming part of a foundation structure, the first connecting element comprising a first flange (8) and the second connecting element comprising a second flange (9), the first and second flanges (8, 9) comprising through holes (10), the first and second flanges 8, 9 abutting each other with the through holes (10) in alignment and being secured to each other by means of fastening elements extending into the through holes (10), one of the first and second connecting elements comprising an outer peripheral skirt (15) covering a butt joint (16) between the first and second flanges (8,9) and defining an outer annular space (18) surrounding the butt joint (16), the annular space (18) sealed against the ingress of water by a sealing element. One of the first and second connecting elements comprises a peripheral collar, the skirt (15) and the collar confining the annular space (18), the sealing element being a compressible sealing element sandwiched between the skirt (14) and the collar (15).
Agency: European Commission | Branch: H2020 | Program: RIA | Phase: SC5-07-2015 | Award Amount: 6.24M | Year: 2016
Rivers rank among some of the most threatened ecosystems in the world, and are the focus of costly restoration programmes that cost billions to taxpayers. Much of Europe depends on water from rivers for drinking, food production, and the generation of hydropower, which is essential for meeting the EU renewable energy target. Yet only half the EU surface waters have met the WFDs 2015 target of good ecological status, due in part to the fragmentation of habitats caused by tens of thousands of dams and weirs which also pose a flood hazard. Some barriers are old and out of use, but may have historical value, while the life span of others will soon come to an end and may need to be removed. But barriers also provide energy, water, fishing and leisure opportunities, and may also help to prevent the spread of aquatic invasive species. Improving stream connectivity has been flagged as one of the priorities for more efficient stream restoration but effective rehabilitation of ecosystem functioning in European rivers needs to take the complexity and trade-offs imposed by barriers into account. AMBER will deliver innovative solutions to river fragmentation in Europe by developing more efficient methods of restoring stream connectivity through adaptive barrier management. The project seeks to address the complex challenge of river fragmentation through a comprehensive barrier adaptive management process, based on the integration of programme design, management, and monitoring to systematically test assumptions about barrier mitigation, adapt and learn.
Agency: European Commission | Branch: FP7 | Program: CP | Phase: ENERGY.2011.3.7-1 | Award Amount: 10.29M | Year: 2012
Torrefaction is considered worldwide as a promising key technology for boosting large-scale implementation of bioenergy. It involves heating biomass in the absence of oxygen to a temperature of 200 to 320 C. As a result, the biomass looses all its moisture and becomes easy to grind and water resistant, which reduces the risk of spontaneous ignition and biological degradation and permits outdoor storage. By combining torrefaction with pelletisation or briquetting, biomass is converted into a high-energy-density commodity solid fuel or bioenergy carrier with superior properties in view of (long-distance) transport, handling and storage, and also in many major end-use applications (e.g., co-firing in pulverised-coal fired power plants, (co-)gasification in entrained-flow gasifiers and combustion in distributed pellet boilers. Moreover, torrefaction-based bioenergy carriers may form a good starting point for biorefinery routes. The current SECTOR project is focussed on the further development of torrefaction-based technologies for the production of solid bioenergy carriers up to pilot-plant scale and beyond and on supporting market introduction of torrefaction-based bioenergy carriers as a commodity renewable solid fuel. The core of the project concerns the further development of torrefaction and densification technology for a broad biomass feedstock range including clean woody biomass, forestry residues, agro-residues and imported biomass. Production recipes will be optimised on the basis of extensive logistics and end-use testing. Much attention will be given to the development, quality assurance and standardisation of dedicated analysis and test methods. The experimental work will be accompanied by extensive desk studies to define major biomass-to-end-use value chains, design deployment strategies and scenarios, and conduct a full sustainability assessment. The results will be fed into CEN/ISO working groups and international sustainability forums.
Agency: European Commission | Branch: FP7 | Program: CP | Phase: ENERGY.2011.2.3-2 | Award Amount: 5.21M | Year: 2011
Today, an offshore wind farm is merely a collection of wind turbines where the components of an offshore wind farm cluster are optimized but not the overall cluster. In the future, the best-performing wind farms will be designed with an integrated approach. For this purpose, design tools for offshore wind farm clusters must then yield for the overall optimum. This means they must integrate the cluster and grid connection design with new intelligent mechanisms for wind turbine, farm and cluster control already in the design phase. The objective of the project is to develop toolbox for such an integrated offshore wind farm clusters design. In line with the call this is achieved by combination of the following different design optimisation tools elements as advanced wake models, turbine load models, grid interconnection models and by incorporating the operation of the offshore clusters as a virtual offshore power plant. The consortium will depart from existing state of the art models that are further developed within the project. In parallel extensive measurements and data collection is carried out in order to validate the models, to calibrate and further improve them. Furthermore the developed control mechanisms for virtual offshore power plant operation will be tested in existing wind farms to verify that indeed an increase of the overall energy yield, a reduction of load on the single turbines and a flexible operation of the wind farm clusters is achieved.
Beer S.,RWE Innogy GmbH |
Gomez T.,Comillas Pontifical University |
Gomez T.,Lawrence Berkeley National Laboratory |
Dallinger D.,Fraunhofer Institute for Systems and Innovation Research |
And 5 more authors.
IEEE Transactions on Smart Grid | Year: 2012
Current policies in the U.S. and other countries are trying to stimulate electric transportation deployment. Consequently, plug-in electric vehicle (PEV) adoption will presumably spread among vehicle users. With the increased diffusion of PEVs, lithium-ion batteries will also enter the market on a broad scale. However, their costs are still high and ways are needed to optimally deploy vehicle batteries in order to account for the higher initial outlay. This study analyzed the possibility of extending the lifecycle of PEV batteries to a secondary, stationary application. Battery usage can be optimized by installing used battery packs in buildings' microgrids. Employed as decentralized storage, batteries can be used for a microgrid's power supply and provide ancillary services (A/S). This scenario has been modeled with the Distributed Energy Resources Customer Adoption Model (DER-CAM), which identifies optimal equipment combinations to meet microgrid requirements at minimum cost, carbon footprint, or other criteria. Results show that used PEV batteries can create significant monetary value if subsequently used for stationary applications. © 2011 IEEE.
Bunting H.,RWE Innogy GmbH
WasserWirtschaft | Year: 2012
In the summer 2011 the German Government launched the so-called "Energiewende" which determines for the first time a long-term roadmap for the conversion of the German energy landscape until 2050. The shape of the German electricity market will change drastically due to an increasing focus on energy efficiency, ongoing support for renewable generation capacity and increasing electricity imports. Hydro power generation plays a minor role in these scenarios and is restricted mainly to additional capacity of pump storage power plants in Germany and adjacent countries. The role of these pump storages is to provide balancing energy to manage the increasing volatile generation from wind and solar power.
RWE Innogy GmbH | Date: 2016-05-04
The invention refers to a method for on-site X-ray inspection of a cable sealing end termination of a high-voltage cable in joint condition, such as found when inspecting gas insulated switchgear of electrical high voltage sub-stations, comprising the following steps:- providing a radiation generator (8) capable of emitting upon energization electromagnetic waves with a wave length and a photon energy in the x-ray range,- providing a photographic recording media (9) sensitive to the electromagnetic waves,- placing the recording media (9) and the radiation generator (8) at opposite sides of the cable sealing end termination such that the radiation generator (8) is directed towards the cable sealing end termination as a x-ray target,- energizing the radiation generator (8) at least once in order to record at least one x-ray image,- providing at least one reference image of a cable sealing end termination as a test target,- comparing the x-ray image with the reference image and subsequently assessing the sealing integrity of the cable sealing end termination.
RWE Innogy GmbH | Date: 2016-12-14
The invention refers to a monopile foundation for an offshore tower structure comprising a monopile (3) for receiving the tower structure and a subsea base (1), wherein the monopile (3) is partially embedded in the sea ground (7), wherein the subsea base (1) engages the monopile (3) peripherally and wherein the subsea base (1) comprises a collar (2) surrounding the monopile and being at least partially also embedded in the sea ground (7). The invention also refers to a subsea base (1) for use in such foundation as well as a method for establishing a monopile foundation.
RWE Innogy GmbH | Date: 2013-12-11
The invention refers to a grout seal for sealing the annular space (8) between two concentrically placed foundation members of an offshore structure. The grout seal includes at least one resilient primary sealing member attached to the inner wall of an outer foundation member, said primary sealing member extending peripherally within the annular space (8) between the foundation members and resting against an outer wall of the inner foundation member in order to seal a grout (13) against the ingress of water and to secure said grout (13) against egress into water. The grout seal includes at least one elastically compressible secondary sealing member (11) directly exposed to said grout (13) and being arranged in a fashion that allows said secondary sealing member (11) to be at least partially radially compressed by the pressure exerted by the grout mass.
Lattice Mast Having An Open Framework Structure In Particular An Electricity Pylon Or Telecommunication Mast, And Method For Increasing The Stability Of Lattice Masts Having An Open Framework Structure
Rwe Innogy Gmbh | Date: 2015-02-05
The invention relates to a lattice mast (1) with an open framework structure of angled profiles (3), in particular an electricity pylon or telecommunications mast, comprising at least one or more cladding profiles (9a, 9b) which extend over at least part of the length of at least one angled profile (3), wherein at least one cladding profile has a curved incident-flow surface and forms a flow shielding of a wind-exposed edge of the angled profile (3), wherein the incident-flow surface is at least approximately spherically curved and has a flow resistance coefficient which is less than that of the unshielded angled profile (3).