electricity storage Articles
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Multicultural large construction projects: the key role of trust
This paper aims to explain why trust is regarded as the cornerstone for successfully leading a large multicultural construction project, and to understand the interdependency of developing trust on different levels, interpersonal, intergroup and inter–organisational level. Issues like increasing employees self esteem, publicly acknowledge partners' contribution, professional skills, caring ...
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Hybrid tower
Using the Torque Wind Turbine in combination with solar and a battery pack could give the opportunity to build a smart grid. This way houses, companies, farms and small villages could become self-supporting in energy and create a smart grid using Internet of Things applications and 5G telecom options directly from the Torque Wind Turbine tower. Also the battery of electric cars for electricity ...
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Surface modified BaTiO 3 -polystyrene nanocomposites for energy storage
Major research efforts have been focused towards developing high dielectric constant ( ε ), low loss (tan δ ) and high electrical breakdown dielectrics for energy storage capacitors. Combining the low cost, ease of processing and high breakdown field strength (BDS) of polymers with the high ε ceramic fillers will result in high-energy storage capacitors. Herein, we ...
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Designing a sustainable hydrogen energy economy
A general vision of a sustainable energy economy relying substantially on hydrogen produced from renewables is sketched as a potential solution to the twin global crises of climate change and depleting oil reserves. Core differences between this 'sustainable hydrogen economy' (SHE) and the original hydrogen economy (HE) proposed in the early 1970s are discussed. In transport, rather than posing a ...
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Project - Sigmaplantas
Industry: Solar power plants. Partners: ISFOC, Isofoton. Description: This project include the design and development of a microplant of heliostats to concentrate solar radiation into a cogeneration receiver to generate electricity and storage hot water. Solar MEMS team participated in the design and development of an heliostat with sun sensors for a high accurate aiming of the sun ...
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Battery Throughput - Case Study
The amount of energy that the battery stores and releases is measured in kWh and is called throughput and is useful to compare the practical cost of electricity between different models of energy ...
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Kaxu Solar, Postmasburg South Africa - Case Study
Near the city of Pofadder in South Africa´s North Cape Province, you will find South Africa´s first parabolic trough plant. This 100 MW project with 3 hours of storage capacity will soon produce clean, stable and reliable electricity to many South African homes and business and save 315.000 tons of CO2 emissions a year! ...
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EU to reallocate €115m for energy efficiency projects
The EU has approved reforms that will free up €115m stimulus cash to be reallocated for energy efficiency projects with an impact on economic recovery. The Industry, Research and Energy Committee of the European Parliament approved reforms yesterday to EU rules on financial assistance that will free up about €115m (£95.6m) in otherwise unspent funds. The EU funds could be used to ...
By Vital Energi
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Combined photovoltaic and energy storage systems: an integrated electrification solution for small islands
The numerous small Aegean Sea islands present serious problems related to insufficient infrastructure, low quality of electricity available at very high production cost, as well as problematic connection with the mainland. On the other hand, the high solar potential of the area may encourage photovoltaic-based applications characterised by rather low maintenance support demands. In this context, ...
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Case study - Glass Roof
Glass roof - Donnington Park Hotel System kWp: 7.68 Area: 86 m2 Inverter: Fronius IG Plus 60V-1 Modules Used: PS-CT-64 20% transparent Polysolar helped design a fully integrated transparent PV roof on a new build garage in Leicestershire using our new PS-CT 20% transparent panels and GB-SOL RIS system. Objective: Provide a fully integrated transparent solar PV roof on a new build garage to ...
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Price Volatility and Banking in Green Certificate Markets
There is concern that prices in a market for Green Certificates (GCs) primarily based on volatile wind power will fluctuate excessively, leading to corresponding volatility of electricity prices. Applying a rational expectations simulation model of competitive storage and speculation of GCs the paper shows that the introduction of banking of GCs may reduce price volatility considerably and lead ...
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Design and Development of a Renewable Cooling and Power Generation Systems
The key objective of this project is to address the unfulfilled demand for power and cooling in remote, rural, and un-electrified areas and to enhance overall socio-economic conditions through delivery of electricity and improved cold storage facilities using renewable energy. This project seeks to design, develop, and fabricate a number of prototypes with integrated renewable heating and cooling ...
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Electrical Installation Lighting Silos – Grain Storage Bases - Case Study
The electrical lighting installation is a vital element in grain silos and factories, having a significant impact on the efficiency of operations and the safety of workplaces. Both on elevated walkways and in technological channels, correct and well-designed lighting is essential for the optimal performance of ...
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Design and control of a Luo converter for variably loaded hybrid electric vehicle energy storage system
This paper presents the analysis and novel hybrid controller design for a 4-quadrant (4-Q) switched-capacitor (SC) Luo bidirectional DC/DC converter, applicable for hybrid electric and plug-in hybrid electric vehicle energy storage system (ESS) applications, based on power of traction motor and battery current gradient. Features of voltage step-down, voltage step-up, and bi-directional power flow ...
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Regional electricity price differences due to intermittent wind power in Germany: impact of extended transmission and storage capacities
A fast growth of installed wind power capacity has been experienced in several European countries. In Germany, notably high wind power capacities are planned in the North. If the existing transmission capacities between individual regions become insufficient, the electricity prices will differ considerably and the system operation can become unstable. It is supposed that the extension of ...
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Why do UPS capacitors fail and require replacing?
Read this free whitepaper to find out more about UPS capacitors Capacitors are an integral part in any UPS system, smoothing, filtering and storing energy. But they are also amongst the components in an uninterruptible power supply that are most likely to fail (along with batteries). We’ve put together an informative whitepaper that looks at UPS capacitors in detail. It explores their ...
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Getting to 100% Renewable: Dream or Reality?
Attending the Future of Energy Summit last month, an annual event hosted by Bloomberg New Energy Finance, I was struck – for the second year running – by the rapid pace of cost reductions and innovation happening across the clean energy spectrum. With the news that a recent solar photovoltaics tender in Dubai obtained bids at less than US6c/kWh, to major investments in electricity ...
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Nanostructured oxyspinel multilayers for novel high-efficient conversion and control
Multilayered temperature-/humidity-sensitive thick-film p - i - p + structures based on spinel-type semiconducting ceramics of different chemical composition (Cu 0.1 Ni 0.1 Co 1.6 Mn 1.2 O 4 with p + -type of electrical conductivity and Cu 0.1 Ni 0.8 Co 0.2 Mn 1.9 O 4 with p -type of electrical conductivity) and magnesium aluminate i -type MgAl 2 O 4 ...
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Study: 100% Renewable Electricity System is the Cheapest Option for South America
Transitioning to a fully renewable electricity system is possible for South America by 2030. A study by Lappeenranta University of Technology (LUT) and VTT Technical Research Centre of Finland Ltd. also shows that a 100 percent renewable system (100% RE) is the cheapest electricity production option and can be achieved with very little energy storage. "South America has a unique renewable energy ...
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The Economics of Grid defection
Distributed electricity generation, especially solar PV, is rapidly spreading and getting much cheaper. Distributed electricity storage is doing the same, thanks largely to mass production of batteries for electric vehicles. Solar power is already starting to erode some utilities' sales and revenues. But what happens when solar and batteries join forces? Together they can make the electric grid ...
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