1) Installing undersea power cables for offshore wind farms is challenging due to the varied and unpredictable seabed landscapes. Maintaining the cables once installed is also difficult.
2) Problems that occur, such as cable failures, can cause entire sections of turbines to shut down, resulting in costly emergency repairs. More planning and redundant supplies are needed to address maintenance and repair issues.
3) As offshore wind farms increase in size and complexity, experts recommend broader and more thorough planning that considers maintenance needs to improve reliability and profitability.
This document summarizes the work of Tecnalia, a Spanish applied research center. It focuses on Tecnalia's work in developing marine energy technologies, including offshore wind, wave, and tidal energy. Some key points:
- Tecnalia has over 1,500 experts working across 7 divisions to develop innovative technological solutions and generate business opportunities for companies.
- In marine energy specifically, Tecnalia has tested a full-scale wave energy device, participated in 10 European projects, and helped define Spain's marine energy strategy.
- They provide expertise in areas like floating offshore wind platforms, large wind turbine generators, and wave and tidal energy converter design.
- An example project
This document provides an agenda and details for the 8th Annual Nuclear New Build Forum conference taking place on April 20th 2016 in London. The conference will provide industry leaders and decision-makers an opportunity to discuss challenges and opportunities in the nuclear new build industry. Topics will include updates on major new build projects like Hinkley Point C, strategic outlook, lessons from other large infrastructure projects, developing the supply chain and maximizing socio-economic impacts. There will be panels, presentations, and networking opportunities with speakers from government, regulators, developers and other key organizations involved in nuclear new build in the UK.
Nuclear Showcase 29th January - Manufacturing and the Supply ChainUKTI2014
The UKTI Nuclear Conference took place from January 27th-29th 2014. It focused on manufacturing and the supply chain in the nuclear sector. The conference included presentations and panels on the UK's history in nuclear systems, new build projects, decommissioning and waste management, and the role of the supply chain and advanced manufacturing in the nuclear industry. It also featured speakers from organizations like Rolls Royce Nuclear, Doosan Babcock, the Nuclear Decommissioning Authority, the Nuclear AMRC, and Sheffield Forgemasters who discussed their work and the opportunities in nuclear manufacturing.
Nuclear Showcase 27th January 'Making It Happen' UKTI2014
The document outlines the agenda for the UKTI Nuclear Conference taking place from January 27-29, 2014. The agenda includes presentations and sessions on civil construction for new nuclear build projects, planning considerations for new nuclear builds, design considerations, manufacturing super modules, waste management and decommissioning, and market briefings on opportunities in various countries. It also lists the speakers for many of the sessions.
Offshore cabling the hidden arteries of the wind industryTorben Haagh
Underwater cables are crucial to offshore wind farms as they transport power from the wind turbines back to land, accounting for 10% of project costs. Faults in cables cause 70% of insurance claims, and repairing cables can be difficult work affected by weather. Experts say successful cable installation relies on thorough planning, engineering, and coordination between installers and developers from an early stage. A future European supergrid may help countries share renewable energy resources through interconnected offshore cabling networks.
The design of biofuels for the automotive industryTorben Haagh
The design and development of biofuels for the automotive industry presents a variety of questions that must be answered in a collaborative process between the automotive industry, the petroleum industry, and policy makers on a global scale.
Critical perspective of using natural gas for vehiclesTorben Haagh
This document provides a critical perspective on the use of natural gas as a vehicle fuel. It discusses the differences between compressed natural gas (CNG) and liquefied natural gas (LNG), and notes that while natural gas burns cleaner than gasoline, it is still a fossil fuel with environmental impacts. The document also examines issues with natural gas supply and extraction methods, costs of natural gas vehicles, and argues that more comprehensive studies are needed to fully evaluate natural gas and other alternative fuels compared to traditional gasoline vehicles.
Die Zukunftsvision vom neuen EnergiemarktmodellTorben Haagh
Die schlechte Nachricht: Der Markt ist auf fossile Energien ausgelegt. Die gute Nachricht: Die Bereitstellung von Regelleistung durch erneuerbare Energien ist möglich.Wir können uns nicht nur auf die erneuerbaren Energien verlassen, dennoch wollen wir die Nutzung von fossilen Energien so weit wie möglich runtertreiben. Um unser Land gleichmäßig und sicher mit Strom zu versorgen gibt es nun noch einen Mix aus beiden, aber wie wird die Zukunft aussehen? Ist das Traumszenario möglich oder bleiben wir abhängig von den fossilen Energien?
Lesen Sie mehr in diesem Artikel:
http://bit.ly/Article_Zukunftsvision
This document summarizes the work of Tecnalia, a Spanish applied research center. It focuses on Tecnalia's work in developing marine energy technologies, including offshore wind, wave, and tidal energy. Some key points:
- Tecnalia has over 1,500 experts working across 7 divisions to develop innovative technological solutions and generate business opportunities for companies.
- In marine energy specifically, Tecnalia has tested a full-scale wave energy device, participated in 10 European projects, and helped define Spain's marine energy strategy.
- They provide expertise in areas like floating offshore wind platforms, large wind turbine generators, and wave and tidal energy converter design.
- An example project
This document provides an agenda and details for the 8th Annual Nuclear New Build Forum conference taking place on April 20th 2016 in London. The conference will provide industry leaders and decision-makers an opportunity to discuss challenges and opportunities in the nuclear new build industry. Topics will include updates on major new build projects like Hinkley Point C, strategic outlook, lessons from other large infrastructure projects, developing the supply chain and maximizing socio-economic impacts. There will be panels, presentations, and networking opportunities with speakers from government, regulators, developers and other key organizations involved in nuclear new build in the UK.
Nuclear Showcase 29th January - Manufacturing and the Supply ChainUKTI2014
The UKTI Nuclear Conference took place from January 27th-29th 2014. It focused on manufacturing and the supply chain in the nuclear sector. The conference included presentations and panels on the UK's history in nuclear systems, new build projects, decommissioning and waste management, and the role of the supply chain and advanced manufacturing in the nuclear industry. It also featured speakers from organizations like Rolls Royce Nuclear, Doosan Babcock, the Nuclear Decommissioning Authority, the Nuclear AMRC, and Sheffield Forgemasters who discussed their work and the opportunities in nuclear manufacturing.
Nuclear Showcase 27th January 'Making It Happen' UKTI2014
The document outlines the agenda for the UKTI Nuclear Conference taking place from January 27-29, 2014. The agenda includes presentations and sessions on civil construction for new nuclear build projects, planning considerations for new nuclear builds, design considerations, manufacturing super modules, waste management and decommissioning, and market briefings on opportunities in various countries. It also lists the speakers for many of the sessions.
Offshore cabling the hidden arteries of the wind industryTorben Haagh
Underwater cables are crucial to offshore wind farms as they transport power from the wind turbines back to land, accounting for 10% of project costs. Faults in cables cause 70% of insurance claims, and repairing cables can be difficult work affected by weather. Experts say successful cable installation relies on thorough planning, engineering, and coordination between installers and developers from an early stage. A future European supergrid may help countries share renewable energy resources through interconnected offshore cabling networks.
The design of biofuels for the automotive industryTorben Haagh
The design and development of biofuels for the automotive industry presents a variety of questions that must be answered in a collaborative process between the automotive industry, the petroleum industry, and policy makers on a global scale.
Critical perspective of using natural gas for vehiclesTorben Haagh
This document provides a critical perspective on the use of natural gas as a vehicle fuel. It discusses the differences between compressed natural gas (CNG) and liquefied natural gas (LNG), and notes that while natural gas burns cleaner than gasoline, it is still a fossil fuel with environmental impacts. The document also examines issues with natural gas supply and extraction methods, costs of natural gas vehicles, and argues that more comprehensive studies are needed to fully evaluate natural gas and other alternative fuels compared to traditional gasoline vehicles.
Die Zukunftsvision vom neuen EnergiemarktmodellTorben Haagh
Die schlechte Nachricht: Der Markt ist auf fossile Energien ausgelegt. Die gute Nachricht: Die Bereitstellung von Regelleistung durch erneuerbare Energien ist möglich.Wir können uns nicht nur auf die erneuerbaren Energien verlassen, dennoch wollen wir die Nutzung von fossilen Energien so weit wie möglich runtertreiben. Um unser Land gleichmäßig und sicher mit Strom zu versorgen gibt es nun noch einen Mix aus beiden, aber wie wird die Zukunft aussehen? Ist das Traumszenario möglich oder bleiben wir abhängig von den fossilen Energien?
Lesen Sie mehr in diesem Artikel:
http://bit.ly/Article_Zukunftsvision
Selective Catalytic Reduction (SCR) is an emissions control technology that reduces nitrogen oxide (NOx) in diesel exhaust. It works by injecting urea into the exhaust stream, which reacts with NOx in the presence of a catalyst to produce harmless nitrogen and water vapor. The SCR system includes components like a urea tank, injector, and catalyst that work together to lower NOx levels to near zero. While SCR is effective, it also has limitations related to temperature sensitivity and dependency on urea. Exhaust Gas Recirculation is an alternative technology that some argue is simpler and requires less maintenance.
Grid Integration: Requirements for Wind TurbinesTorben Haagh
The document discusses the requirements for wind turbines and wind farms to comply with European grid codes as offshore wind power increases its contribution to the energy supply. As wind farms get larger, they must be integrated into the transmission network and behave similarly to conventional power plants. Grid code compliance regulations ensure wind farms contribute stability and respond appropriately to changes in voltage and frequency. Specific requirements addressed include operating within defined voltage and frequency ranges, providing reactive power control, engaging in active power control including ramp rate limits, and assisting with frequency control. Harmonizing grid codes across Europe will help increase wind power integration onto the grid.
Performance of contracts ppt @ bec doms Babasab Patil
The document discusses various aspects of contract law such as performance of contracts, tender of performance, assignment of contracts, discharge of contracts, breach of contracts and remedies for breach. It explains that the legal representatives of a deceased promisor are bound to perform the promises made by the promisor. It also discusses different ways a contract can be discharged including performance, impossibility of performance, breach, lapse of time, and agreement or consent through novation, accord and satisfaction, waiver or rescission.
This document lists several reasons to have a baby, including learning to wake up early without stress, gaining an admirer of your singing, learning to work under pressure, developing a winning smile, adjusting to any circumstance, revising the fun of learning alphabets, regaining innocence and curiosity, experiencing true responsibility, and having a way to wipe out stress in minutes. It concludes that a baby can teach you how to smile, remain curious and maintain innocence.
El documento presenta información sobre los Países Bajos. Describe que la capital es Ámsterdam, la forma de gobierno es una monarquía constitucional y la reina actual es Beatriz. Además, explica que el territorio se compone de tierras bajas parcialmente situadas por debajo del nivel del mar y protegidas por un sistema de diques.
The document summarizes developments within the ARTEMIS European Technology Platform, ARTEMIS Industry Association, and ARTEMIS Joint Undertaking. It discusses the ARTEMIS-IA working group establishing criteria for "Centres of Innovation Excellence" to obtain an ARTEMIS quality label. The label would recognize centers that bring together partners from across the innovation supply chain. The working group is defining labeling criteria and assessment procedures. One center, ProcessIT Europe, wants to be the first to apply for the ARTEMIS CoIE label.
Visite du parc éolien Thorntonbank - Introduction to offshore windCCILVN
This document discusses offshore wind and ENGIE's experience in the industry. It provides an overview of offshore wind market trends, technology such as turbine types and foundations, and ENGIE's offshore wind projects and capabilities. ENGIE has 18 years of experience in offshore wind development and provides engineering and construction support. It is developing several offshore wind projects in Europe and has experience operating offshore substations.
Anticipation and Mitigation of Geohazards for Subsea Power Cables (and Pipeli...Cathie Associates
Presentation made at Subsea Power Cable for the Oil & Gas Industry 2015 (30/09/2015) by Matt Owen - Senior Project Geophysicist at Cathie Associates
What we mean by geohazards - and their importance
Quantification of geohazard risk
Cost benefit analysis for appropriate mitigation
A workflow for selection of mitigation options
When lightning strikes irrigation systems, it can damage electronic components like controllers and solenoids over time. New surge protection technologies aim to protect these components from power surges. Proper grounding of electronic equipment is also important to ensure surges are discharged safely into the ground. Surge protection features in controllers and solenoids work together with grounding to shield components from lightning strikes and prevent costly replacement over the long run. As surge protection technologies improve, they are becoming more effective and affordable, benefiting customers through greater protection of their irrigation systems.
Eskom, South Africa's national electricity provider, was facing issues with bare aluminum jumpers on overhead power lines electrocuting birds. To address this, Eskom covered the jumpers with low density polyethylene (LDPE) pipe to insulate them. However, over time the LDPE pipe caused damage to the jumpers through fatigue failure and water accumulation, reducing reliability. Eskom piloted using polyvinyl chloride (PVC) covering on jumpers in two areas, finding a reduction in failures. Testing showed the PVC withstood high voltages and prevented water ingress better than LDPE. Eskom concluded PVC covering was more effective and would improve network performance and reliability over LDPE.
1. The document advertises the opportunity for engineers and subject matter experts to contribute articles and case studies or serve as peer reviewers for a new online technical reference collection called Engineering & Technology Reference (ETR).
2. ETR aims to provide practical solutions to common engineering challenges through real-world articles and case studies written by practicing engineers, with the goal of helping readers better understand and solve technical problems.
3. Contributors and peer reviewers will gain professional recognition and can showcase their work and organizations, while supporting the development of other engineers.
Over the next decade, more than 10,000 offshore wind turbines totaling over 10 GW of capacity will be installed globally, with China, the UK, and Germany accounting for around 65% of installations. The average size of turbines is increasing, resulting in fewer turbines being installed per offshore wind farm. Planning, turbine, and balance of plant costs make up the majority of annual capital expenditure on offshore wind projects from 2015-2024.
The flexibility of Alstom Grid’s high voltage solution - Think Grid n°9Joël Devautour
Ships produce air pollution that is thousands of times dirtier than vehicle emissions. To reduce this, the EU requires ships to use lower-sulfur fuel by 2020 in European waters. An alternative is for docked ships to shut off their engines and receive power from the electrical grid via heavy cables, eliminating emissions and saving fuel costs. However, this "cold ironing" requires infrastructure investments and standardization, as ships use different voltages and frequencies. Alstom Grid developed a modular high-voltage shore connection solution to address these challenges.
Wind Generators: the advantages and disadvantagesTorben Haagh
Learn more about the advantages and disadvantages of wind generators by reading this article.
Are you looking for more interesting content on windpower? Take a look here: http://bit.ly/ee-systems-wind-articles
Selective Catalytic Reduction (SCR) is an emissions control technology that reduces nitrogen oxide (NOx) in diesel exhaust. It works by injecting urea into the exhaust stream, which reacts with NOx in the presence of a catalyst to produce harmless nitrogen and water vapor. The SCR system includes components like a urea tank, injector, and catalyst that work together to lower NOx levels to near zero. While SCR is effective, it also has limitations related to temperature sensitivity and dependency on urea. Exhaust Gas Recirculation is an alternative technology that some argue is simpler and requires less maintenance.
Grid Integration: Requirements for Wind TurbinesTorben Haagh
The document discusses the requirements for wind turbines and wind farms to comply with European grid codes as offshore wind power increases its contribution to the energy supply. As wind farms get larger, they must be integrated into the transmission network and behave similarly to conventional power plants. Grid code compliance regulations ensure wind farms contribute stability and respond appropriately to changes in voltage and frequency. Specific requirements addressed include operating within defined voltage and frequency ranges, providing reactive power control, engaging in active power control including ramp rate limits, and assisting with frequency control. Harmonizing grid codes across Europe will help increase wind power integration onto the grid.
Performance of contracts ppt @ bec doms Babasab Patil
The document discusses various aspects of contract law such as performance of contracts, tender of performance, assignment of contracts, discharge of contracts, breach of contracts and remedies for breach. It explains that the legal representatives of a deceased promisor are bound to perform the promises made by the promisor. It also discusses different ways a contract can be discharged including performance, impossibility of performance, breach, lapse of time, and agreement or consent through novation, accord and satisfaction, waiver or rescission.
This document lists several reasons to have a baby, including learning to wake up early without stress, gaining an admirer of your singing, learning to work under pressure, developing a winning smile, adjusting to any circumstance, revising the fun of learning alphabets, regaining innocence and curiosity, experiencing true responsibility, and having a way to wipe out stress in minutes. It concludes that a baby can teach you how to smile, remain curious and maintain innocence.
El documento presenta información sobre los Países Bajos. Describe que la capital es Ámsterdam, la forma de gobierno es una monarquía constitucional y la reina actual es Beatriz. Además, explica que el territorio se compone de tierras bajas parcialmente situadas por debajo del nivel del mar y protegidas por un sistema de diques.
The document summarizes developments within the ARTEMIS European Technology Platform, ARTEMIS Industry Association, and ARTEMIS Joint Undertaking. It discusses the ARTEMIS-IA working group establishing criteria for "Centres of Innovation Excellence" to obtain an ARTEMIS quality label. The label would recognize centers that bring together partners from across the innovation supply chain. The working group is defining labeling criteria and assessment procedures. One center, ProcessIT Europe, wants to be the first to apply for the ARTEMIS CoIE label.
Visite du parc éolien Thorntonbank - Introduction to offshore windCCILVN
This document discusses offshore wind and ENGIE's experience in the industry. It provides an overview of offshore wind market trends, technology such as turbine types and foundations, and ENGIE's offshore wind projects and capabilities. ENGIE has 18 years of experience in offshore wind development and provides engineering and construction support. It is developing several offshore wind projects in Europe and has experience operating offshore substations.
Anticipation and Mitigation of Geohazards for Subsea Power Cables (and Pipeli...Cathie Associates
Presentation made at Subsea Power Cable for the Oil & Gas Industry 2015 (30/09/2015) by Matt Owen - Senior Project Geophysicist at Cathie Associates
What we mean by geohazards - and their importance
Quantification of geohazard risk
Cost benefit analysis for appropriate mitigation
A workflow for selection of mitigation options
When lightning strikes irrigation systems, it can damage electronic components like controllers and solenoids over time. New surge protection technologies aim to protect these components from power surges. Proper grounding of electronic equipment is also important to ensure surges are discharged safely into the ground. Surge protection features in controllers and solenoids work together with grounding to shield components from lightning strikes and prevent costly replacement over the long run. As surge protection technologies improve, they are becoming more effective and affordable, benefiting customers through greater protection of their irrigation systems.
Eskom, South Africa's national electricity provider, was facing issues with bare aluminum jumpers on overhead power lines electrocuting birds. To address this, Eskom covered the jumpers with low density polyethylene (LDPE) pipe to insulate them. However, over time the LDPE pipe caused damage to the jumpers through fatigue failure and water accumulation, reducing reliability. Eskom piloted using polyvinyl chloride (PVC) covering on jumpers in two areas, finding a reduction in failures. Testing showed the PVC withstood high voltages and prevented water ingress better than LDPE. Eskom concluded PVC covering was more effective and would improve network performance and reliability over LDPE.
1. The document advertises the opportunity for engineers and subject matter experts to contribute articles and case studies or serve as peer reviewers for a new online technical reference collection called Engineering & Technology Reference (ETR).
2. ETR aims to provide practical solutions to common engineering challenges through real-world articles and case studies written by practicing engineers, with the goal of helping readers better understand and solve technical problems.
3. Contributors and peer reviewers will gain professional recognition and can showcase their work and organizations, while supporting the development of other engineers.
Over the next decade, more than 10,000 offshore wind turbines totaling over 10 GW of capacity will be installed globally, with China, the UK, and Germany accounting for around 65% of installations. The average size of turbines is increasing, resulting in fewer turbines being installed per offshore wind farm. Planning, turbine, and balance of plant costs make up the majority of annual capital expenditure on offshore wind projects from 2015-2024.
The flexibility of Alstom Grid’s high voltage solution - Think Grid n°9Joël Devautour
Ships produce air pollution that is thousands of times dirtier than vehicle emissions. To reduce this, the EU requires ships to use lower-sulfur fuel by 2020 in European waters. An alternative is for docked ships to shut off their engines and receive power from the electrical grid via heavy cables, eliminating emissions and saving fuel costs. However, this "cold ironing" requires infrastructure investments and standardization, as ships use different voltages and frequencies. Alstom Grid developed a modular high-voltage shore connection solution to address these challenges.
Wind Generators: the advantages and disadvantagesTorben Haagh
Learn more about the advantages and disadvantages of wind generators by reading this article.
Are you looking for more interesting content on windpower? Take a look here: http://bit.ly/ee-systems-wind-articles
Darfield to Dunsandel and Beyond - The Development of the Ground Fault Neutra...Dennis Keen
This document provides an overview of the development of ground fault neutralizers in New Zealand. It discusses how Orion NZ first implemented a ground fault neutralizer system in Darfield in 2007 using technology from Swedish Neutral. However, issues with high harmonic levels on Orion's network were discovered in 2007 that caused the system to allow cable re-striking. The document then outlines Orion's work with Swedish Neutral to develop solutions to compensate for harmonics and allow the continued safe use of the ground fault neutralizer technology. It provides context on the development of resonant earthing internationally and its advantages in reducing bushfire risks and maintaining supply during faults.
This engineering practice report summarizes Paul Soko's 12-week internship with Copperbelt Energy Corporation in their Emergency Power Department from January to April 2011. During his internship, Paul assisted with tasks like engine swaps, maintenance on gas turbine alternators, investigating faulty fire protection systems, and attending meetings. He gained experience working with instrumentation, reading diagrams, and using equipment like multimeters. The report provides background on Copperbelt Energy's role in providing emergency power and details several specific maintenance and troubleshooting tasks Paul assisted with during his placement.
CMN La Méridionale, a large ship-owner in Marseille, was looking for ways to reduce emissions from its vessels while docked at port due to high air pollution levels. Schneider Electric implemented a shore-to-ship power connection system that provided 100% green energy and reduced emissions by 95% while docked. The solution involved installing substations and connection rooms to supply power to vessels from land via mobile plugs. This project was the first of its kind implemented in Marseille and helped CMN La Méridionale meet its environmental objectives.
The document provides an overview of offshore wind cables, including key industry players, cost breakdown, drivers, challenges, and innovations. It discusses how medium voltage array cables connect turbines to substations, and high voltage export cables connect offshore substations to onshore. Cable installation most commonly uses simultaneous lay and bury with a plough. The industry faces challenges from poor understanding of environmental conditions and planning for installation. Innovation focuses on cable installation robots, HVDC technologies, and new cable types to help reduce costs as the offshore wind market rapidly expands.
The document discusses the benefits of wind energy as a solution to climate change. It outlines that wind energy is competitive in cost, fast to ramp up, predictable in providing a stable revenue stream, clean with low emissions and water usage, and independent as it does not rely on finite resources. Vestas has established manufacturing facilities in Colorado to produce wind turbines domestically and aims to further reduce the cost of wind energy through initiatives to increase energy production while lowering capital and operating costs. The company also promotes wind energy adoption through its WindMade certification program.
IRJET- Transmission of Ac Power from Offshore to Onshore by using Low Frequen...IRJET Journal
This document discusses the transmission of AC power from offshore wind farms to onshore grids using low frequency AC transmission. Some key points:
1) Offshore wind farms generate power at medium voltage DC which is converted to low frequency AC (e.g. 20Hz) using cycloconverters for transmission through undersea cables.
2) At the receiving end, the low frequency AC is converted back to standard grid frequency AC using phase shift transformers before connecting to the onshore grid.
3) Low frequency AC transmission allows use of the same undersea cable designs as used for standard frequency but increases transmission capacity and distance. It provides an alternative to HVAC and HVDC transmission for medium length offshore connections.
Yin Sun Shell - Shell (Projects & Technology)GuidoBacker1
This document discusses the concept of a flexible offshore wind hydrogen power plant module. It proposes using offshore wind farms to produce hydrogen through electrolysis, which could help balance the grid and provide energy storage. The key challenges addressed are developing an optimal electrical architecture and controllable electrolysis for hydrogen production. Various transmission options like high voltage AC and DC are considered. The goal is an integrated system that can flexibly control multiple energy flows to meet grid needs.
Cal Marine Power & Water "straw" scam presentationFingerPointer
This document was created to entice investors into a snare - the words Nigerian Scam ring a bell - Investors Beware it screams....scam, fraud all come to mind....
Search for John Cutten Fraudster....
Highlights:
* Electricity saving potential at 2030 horizon (non-residential buildings): 20 TWh / year, i.e. 9 million tons CO2 / year
* Average payback time of extra investment: 3 to 5 years
* Increased fire safety and improved protection against indirect contact
* Improved power quality and increased flexibility
Rotor Blades: The use of composites in rotor blade designTorben Haagh
The document discusses the use of composites in wind turbine rotor blade design. It notes that the wind power industry is expected to grow significantly to meet EU targets for reducing carbon emissions. Research is being conducted to develop stronger and lighter composite materials for longer blades that can be used in offshore installations. New glass-fiber and carbon-fiber composites are being studied that improve characteristics like strength, weight reduction, and fatigue resistance to allow for more durable and cost-effective blade production. Manufacturers are working to optimize the use of different composites in blade construction.
Similar to Offshore cabeling: Cabling maintenance planning processes (20)
Join us at the Wind Turbine Towers Conference to stay competitive by learning advanced #tower concepts and by getting a global perspective of the wind energy sector! Taking place between 27 – 29 August 2019, at Swissôtel in Bremen, Germany. Bitly: http://bit.ly/SS_Wind_Turbine_Towers_Agenda
Be there at the ISO26262 Conference on the 25-28 March 2019 at the Holiday Inn, Munich City Center, Germany. Confirmed speakers from Delphi Technologies, Toyota Research Institute, Texas Instruments. Read the details here: http://bit.ly/2Esno5h
Would you like to know how SOTIF addresses possible hazards caused by intended behavior? Discuss the first draft of the SOTIF standard with international working group members and functional safety experts during the SOTIF Conference. Find out more here: http://bit.ly/SOTIF_Agenda_2019
Daimler, Audi, and Volvo, at Advanced E-Motor - Advanced E-Motor Technology C...Torben Haagh
Preview of the 7th E-Motor Conference 2019 Agenda, taking place at the Hotel Palace Berlin. Get the full Agenda here: http://bit.ly/E-Motor_Agenda_2019
Volkswagen, Ford, and PSA Group - Intelligent Automotive Lighting Agenda 2019Torben Haagh
Have a glimpse of the next years Intelligent Automotive Lighting Conference. Join us on the 20-22 February 2019 at the Hilton Hotel, Mainz. Download the full Agenda here: http://bit.ly/Automotive_Lighting_Agenda_2019
14th International Conference Innovative Seating 2019Torben Haagh
Get an idea of this year's Innovative Seating Conference topic areas. Download the entire Agenda here and join us at the Conference on 18 - 21 February in Düsseldorf. http://bit.ly/InnovativeSeating2019-Agenda
Agenda - Airport Operational Excellence and Automation 2019, Frankfurt Am Ma...Torben Haagh
Have a sneak peak of the latest agenda, with confirmed speakers from Lufthansa, German Aerospace Center, and Athens International Airport. Download the full agenda for free here:
http://bit.ly/Airport_Excellence_Agenda_2019
Agenda: Interior Cabin Innovation for Automated Vehicles 2019Torben Haagh
This document summarizes an international conference on cabin design for autonomous vehicles to be held from January 29-31, 2019 in Berlin, Germany. The conference will address reshaping vehicle interiors for new mobility experiences and discuss how mobility-as-a-service is changing passenger expectations. Experts from automakers like BMW, Bentley, Peugeot, Fiat, and Volvo will speak on engineering usability, integrating new technologies, and designing for various ownership models. Interactive sessions will provide opportunities for networking with OEMs, suppliers, and designers developing the future of in-vehicle experiences.
First and only technology cutting-edge event in Europe bringing you real cognitive automation use cases from end-users, 12 – 14 March 2019 in Berlin, Germany
Join the event and learn:
• how to deal with unstructured data for better predictive analytics and forecasting
• how to set up an AI or machine learning department with fast results and roll out into the rest of the organization
• how to guarantee Data Readiness, Data Creation and Normalisation
• how to leverage Tensorflow, Keras, Neural Network, Deep learning, and Dataset, for your business success
Meat AI & intelligent robotics experts from YES BANK, UBS, Xing, Alibaba, idealo internet, DHL, Turkcell, Solvay, Unicredit, ieso digital health, Zurich Group, Magic Unicorn Inc., Unbabel, and many more top companies at the Cognitive Automation Conference between 12 - 14 March in Berlin, Germany.
Download the FULL AGENDA to see the entire speaker list, round table sessions, focused workshops and at the following link: http://bit.ly/CognitiveAutomation2019FullAgenda
Präsentation zu Roll-Out Messsysteme Infrastruktur bei EnBWTorben Haagh
In der Präsentation von Herrn Albertsmeyer, Teilprojektleiter ROMI (Roll-Out Messsysteme Infrastruktur) bei Netze BW/EnBW, erfahren Sie, wie der Aufbau der Messsystem-Infrastruktur gelingt. Hier finden Sie die gesamte Präsentation: http://bit.ly/2mGnwDt
Is there potential for robotics in finance and accounting?Torben Haagh
In the presentation, you read about "Robotics in Finance" by Mr. Rode, Project Manager at Allianz. Here you can find the full presentation: http://bit.ly/2DdaNPQ
In der Präsentation des Director General Statistics bei der EZB, lesen Sie mehr über den langfristigen strategischen Ansatz des ESZB bei der Erhebung von Bankdaten. Hier finden Sie die gesamte Präsentation: http://bit.ly/2DkRxnP
Expert interview with Nexans - the 66kV cabling technologyTorben Haagh
Stefaan Mensaert, Product Line Manager Renewables at Nexans gave us the opportunity to talk to him about 66 kV cables, junction boxes and connectors. As an experienced cable manufacturer, he gave us some answers to the following topics:
- Major challenges to overcome in order to deliver 66 kV XLPE insulated submarine cable and the accessories, junction boxes and connectors
- What kind of tests they executed to ensure quality and high performance of 66 kV cabling technology
- Nexans and the Blyth project in the UK
- Future for offshore wind energy 66 kV inter-array cabling
http://bit.ly/2fLLn2c
ENERCON - Energy System Change: Era of Feed-in Tariffs is coming to an endTorben Haagh
Andreas Linder, Grid Integration & SCADA Sales by Enercon gave a presentation about system services by wind energy on last years Digital Data Integration and Management conference.
Have a look at the presentation to get an overview of the following:
- System Change: Status Quo Regulation & projects, examples and rolemodels
- The Energy System: Centralised versus decentralised
- Differentiation minimum requirements versus Services for the Grid
- Control reserve by wind - why not? Status quo - TSOs, IT-Requirements, Regulator
- Advantages and challenges
http://bit.ly/2wDLMe4
Innovative Ansätze im Mahn- und Inkassoprozess - Kundenorientiertes Mahnen in...Torben Haagh
Ralph Rochau, Experte Forderungsmanagement bei der BKW Energie AG gibt Einblicke in drei große Bereiche für innovative Ansätze im Bereich Forderungsmanagement:
- Mahnstrategie/Mahnverfahren
- Kommunikation und Kundenorientierung
- Infrastruktur
Für die komplette Präsentation inklusive der Potenziale und Stolpersteine der einzelnen Bereiche, klicken Sie hier:
http://bit.ly/2qiWLIK
Effizienter mit Kooperationen bei Integra-PartnernTorben Haagh
N-Ergie, enercity & Mainova haben das Projekt „IT-Servicemanagement“ (ITSM) partnerschaftlich umgesetzt - dieses beschreiben und analysieren Frau Dr. Ernst und Herr Lübcke in einer Präsentation, die Sie hier kostenlos herunterladen: http://bit.ly/2n3tIFE
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1. Cabling, maintenance and planning processes for offshore
wind farms
By Al Tuttle
Despite the battles that were fought about the safety and viability of deep sea wind
farms, builders are getting international permits for more turbines. They are being
built or are approved in some of the angriest waters north of the equator. Compared
to rather mild waters of New England, where the first wind farm on the east coast of
North America has been approved off Massachusetts, the North Sea and Baltic Sea
are more treacherous and unpredictable.
Europe has over 4,000 wind turbines and manufacturing companies of components,
turbines, seagoing vessels and cables are learning more each year about the
process of building a wind farm, according to experts in the undersea cable field.
Power transfer cables are very specialized and made only by a few companies
around the world. Every wind farm uses a complex combination of undersea, buried
cables, turbine connectors, splices and connections at an at-sea substation.
One challenge in the arena of wind technology at sea is developing and refining best
practices for installing arrays of cables in giant fields of wind turbines, said Joel
Whitman of Global Marine Systems. Global Marine is one of the world’s largest
marine cable layers and offshore service providers. (1) The company has worked on
some of the biggest wind farms in the world, particularly in European waters.
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2. “There are significant problems when laying cable in the ocean that everyone is still
trying to solve,” Whitman said. Installing cable along the seabed means
encountering landscapes as varied as those on land. With miles and miles of seabed
to cross, and with cable to be buried two meters deep, the possibilities for
encountering obstacles that slow or stop progress are multiplied. Companies like
Global Marine use the most sophisticated electronic equipment available to map and
analyze the seabed. There are steep hills, rugged bottoms and material that ranges
from mud and silt to hard clay and rock.
There are always a great number of unknowns when a
project the size of a wind farm at sea is being
developed. While the water is generally 70 meters
deep or shallower, the cable is exposed to powerful
stress forces when installed and being buried, or while
connected to the Whitman said. Some of the
arguments used against giant wind farms are ironically
environmentally based. As a power source born and
developed in part because it uses no or very little
fossil-based fuels, the natural view of wind power is
that it is supremely clean and friendly to every
environment. Since each tower is the size of the
Statue of Liberty and a field can be 100 square miles,
some groups against seaborne wind power say that the
Photo courtesy Siemens
energy needed to create all the parts, put them in the
ocean and connect them, is more than the energy the wind farm can create in
several years’ production. These groups decry the pollution supposedly created by
this manufacture and construction. They also claim that in spite of the 4,000 units
working in Europe, none of the electric rates paid in affected countries have gone
down. Some people also argue that fishing areas and shipping lanes are threatened
by giant wind farms.
Extensive right-of-way negotiations can solve many of these navigation problems.
Those negotiations must be part of a deeper research and development plan for
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IQPC GmbH | Friedrichstr. 94 | D-10117 Berlin, Germany
t: +49 (0) 30 2091 3330 | f: +49 (0) 30 2091 3263 | e: eq@iqpc.de | w: www.iqpc.de
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3. each project. Wind farms are still trying to reach a point of profitability, Whitman
said, because the companies and consortiums put together to build and operate
them have not planned every step completely enough. More companies working
together will benefit every wind project, he said. These larger groups of manpower
and machine power, combined with more experts researching every part of the
plan, will make every project more complete before any work is done in the water.
“When everything is running well, the whole system is profitable,” he said.
Seaborne wind farms have no construction impact on property (as do land-based
farms), no noise pollution problems and are generally not a threat to visibility.
However, many of the projects Global Marine has been involved with run into
problems that take a lot of money to fix. The turbines are linked in a line, so that if
one goes out of service due to a cable problem,
the rest in front of the down turbine all stop
working. “If the last turbine is out, it is the only
one out and is not as much of an emergency as
is a turbine that goes down and stops all the
rest with it,” he said. The result is an
emergency need for cable, crews and ships.
Photo courtesy Siemens The supply of cable on hand is critical for
repairs. Whitman’s company has been involved
in projects that did not have enough backup cable on hand. In one instance,
Whitman said that the wind farm operators had asked for only one mile of cable be
stored as inventory for an emergency. That is less than one length of connection
cable between two turbines. When a turbine cable far up the line failed, the
company waited weeks for more repair cable to be made, Whitman said. So an
extremely expensive supply chain problem occurs in the repair and maintenance
area when not enough cable (and other contingent supplies) are not kept on hand.
Regular maintenance has not been addressed in depth either, according to
Whitman. Checking connections and cable is not a perfect art, but is necessary and
is an area that needs more specialized equipment. Every tower is made in four
parts: the original electrical connection is made before the turbine is placed on the
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IQPC GmbH | Friedrichstr. 94 | D-10117 Berlin, Germany
t: +49 (0) 30 2091 3330 | f: +49 (0) 30 2091 3263 | e: eq@iqpc.de | w: www.iqpc.de
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4. transition piece. After the turbine is put onto the assembly, that connection
becomes more difficult to inspect and replace or repair. The same is true for cable
running between turbines, connecting them in a line, and for cable running to and
away from the substation. When cable is inspected and tested at the factory, it is
easier to detect defects visually. After cable is buried and tests are completed for
every section, the cable becomes exposed to the underwater environment on a
permanent basis. This is a challenge to the rugged reliability of the cable,
connections and turbine construction.
There are only a handful of companies supplying undersea power cable. The
seagoing environment is far different from land-based wind farm tracts. There are
pluses and minuses for either environment: the sea has no surface terrain but the
seabed has a variety of landscapes. The cables are made under strict quality and
environmental rules by companies like nkt cables of Denmark (2), which is a world
leader not only in cable manufacturing but in research, safety and technology. The
company is researching more durable materials for use in cabling. They are also
very concerned about using as environmentally friendly materials as possible. nkt
cable replaced dangerous materials like lead and PVC in its cable products.
It is becoming more obvious that not only are wind farms here to stay, but more,
bigger projects are on the way. In Denmark, Germany and England, projects are
planned using even bigger wind fields and bigger turbines. In the case of farms
planned for the Baltic and North Seas, extremely complex connections and farm
hubs are planned, with power going to several countries. (3) These projects add
layers of complexity to the entire construction process: supply and security, land
and water lease, manufacturing prediction, quality support and more. According to
experts like Joel Whitman, this complexity demands that the partners in the project
broaden the scope of planning and consider more redundancies than have been
included thus far. One of the critical areas that needs a longer look is maintenance.
Now, many years after the building of the first offshore wind farms, evidence is
building about the need for more comprehensive maintenance programs and backup
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IQPC GmbH | Friedrichstr. 94 | D-10117 Berlin, Germany
t: +49 (0) 30 2091 3330 | f: +49 (0) 30 2091 3263 | e: eq@iqpc.de | w: www.iqpc.de
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5. equipment. According to one report (4), these huge yet extremely precise machines
are beginning to need repair or replacement. The report notes that turbines in the
North Sea are expected to last 20 years but some are failing at age eight. It could
simply be the very difficult North Sea conditions, but those conditions are prevalent
in other European waters. Finally, the report notes that the expenses of building
each completed turbine has exceeded estimates while output has been less than
expected, in megawatts/unit.
As the size of farms increases and more farms are planned, the final maintenance
and contingency inventory and funding must be increased. That comes from better
overall long range planning. The more experience operating consortiums have at
maintaining an average wind farm, the better they will be able to anticipate
maintenance problems.
Al Tuttle
Freelance Editor
Al Tuttle is news and features editor whose experience includes Media News
Group, Reed Elsevier and New York Times New England. He specializes in industrial
and commercial writing. He was in sales for industrial distribution companies and
manufacturers for 15 years.
1. http://www.globalmarinesystems.com/Capabilities/subsea_cable_maintenanc
e
2. http://nktcables.com/Products/Offshore
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IQPC GmbH | Friedrichstr. 94 | D-10117 Berlin, Germany
t: +49 (0) 30 2091 3330 | f: +49 (0) 30 2091 3263 | e: eq@iqpc.de | w: www.iqpc.de
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6. 3. http://www.ewea.org/fileadmin/ewea_documents/documents/publications/re
ports/OffshoreGrid__report.pdf
4. http://www.forbes.com/sites/energysource/2012/01/11/shaky-foundations-
for-offshore-wind-farms/
Want to know more about offshore cabeling?
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IQPC GmbH | Friedrichstr. 94 | D-10117 Berlin, Germany
t: +49 (0) 30 2091 3330 | f: +49 (0) 30 2091 3263 | e: eq@iqpc.de | w: www.iqpc.de
Visit IQPC for a portfolio of topic-related events, congresses, seminars and conferences: www.iqpc.de