Power & Energy Solutions

The premier renewable energy publication

The causes and resolution of stress corrosion cracking in steam turbines Steam turbines are used across the world as a source of power for many different industries. Even with the best maintenance procedures and preventative maintenance techniques, problems can still arise. Resolving one of the more serious issues, that of stress corrosion cracking, can often be achieved in a straightforward manner by accurately identifying the causes. Older steam turbines are prone to stress corrosion cracking of the turbine blades for a number of reasons and understanding the causes and potential solutions can help to minimize downtime and improve reliability. In this case, reviewing the findings of two examples will enable operators of similar equipment to modify existing processes and make their own checks during planned outages. By examining case studies and in-depth analysis of equipment failures, it is possible to introduce new strategies that will benefit a business in the future. Using information gained by original equipment manufacturers and expert maintenance providers such as Sulzer allows similar issues to be avoided. Case Study #1: Microscopic investigation In the first case, the row six disk of an integral steam turbine rotor developed cracks in the root sections of the blades. The turbine had an operating speed

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Commenting on a report from a new study which shows floating offshore wind technology could contribute up to 17,000 jobs and £33.6bn of GVA to the UK economy by 2050 - a day ahead of a conference on the sector in Aberdeen; Stephanie Conesa, Policy Manager at Scottish Renewables, said: "Scotland's deep waters, with some of Europe's strongest winds, provide ideal conditions for the testing and deployment of floating offshore wind turbines, and are part of the reason why our seas are home to Hywind, the world's first floating wind farm. "The recent publication of Marine Scotland’s draft Sectoral Marine Plan for Offshore Wind Energy - which sets out potential future locations for offshore wind farms in Scotland's seas - makes the success of floating offshore wind in Scotland more important than ever. "Floating wind provides an enormous economic opportunity for Scotland and its development, as well as that of other earlier-stage technologies, has the potential to provide renewable electricity in locations where other renewable energy devices cannot be deployed."

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Expanding Battery Technology Portfolio by adding Longer Runtime and More Lifetime than Comparable Lithium Products SANTA FE SPRINGS, Calif., Oct. 29, 2018 –  Trojan Battery Co., LLC, the world’s leading manufacturer of deep-cycle energy storage solutions for Motive and Stationary applications is proud to announce the Trillium line of Trojan Intelligent Lithium batteries.  With life expectancy over 5,000 cycles, Trillium maximizes total energy throughput and lowers lifetime operating costs.  Trillium is ideal for meeting demanding deep-cycling requirements across a wide range of stationary and motive power applications and delivers the best in class performance Trojan batteries are known for. Trojan’s Intelligent Lithium battery has More Runtime, More Lifetime and More Peace of Mind than competing Lithium Ion products in the industrial market segment.  “This is another significant milestone towards our strategic mission of offering a complete range of deep-cycle energy storage technologies and solutions for our customers,” said Neil Thomas president and CEO of Trojan Battery.  “The addition of a highly competitive Lithium product line further strengthens our best-in-class technology portfolio." Trillium is designed and engineered in the USA and is initially available in 3 popular sizes that can be used in a variety of applications.  Trillium offers a range of advanced safety, environmental and

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Class-leading OESV operator has seen unprecedented growth in demand for CTV services across 2018 in offshore wind. Cowes, UK, 29th October 2018 – The fourth quarter of 2018, is, atypically, seeing surging demand for offshore wind crew transfer, according to class-leading offshore energy support vessel (OESV) operator, Seacat Services, as it reports its latest operational figures. In the month of October, transfers and charter days exceeded the sum total for 2017, closely following third quarter figures that surpassed company records to date. The figures come at a time when the industry is traditionally looking at a period of downtime as winter approaches, but demand for larger, more capable, workboats continues to rise. Overall, while the results are a clear positive for individual operators, Seacat Services warns that it is an early indicator of an overheated market, as offshore wind farm developers and operators, and turbine OEMs chase a limited number of high quality offshore energy support vessels. The shortage in vessels follows a period of low demand for CTVs, while offshore wind projects were in the planning phase, exacerbated by the unattractive commercial terms offered by developers during the lull.  This saw some CTV firms exit the market, or deploy vessels elsewhere, as the

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New Academy at UD Trains Offshore Wind Energy Professionals The University of Delaware, in partnership with the Energy and Climate Academy of Denmark, unveiled a new Offshore Wind Skills Academy this month at the American Wind Energy Association conference in Washington, D.C. The Academy will provide instruction in the basics of wind power, offshore wind turbines, and the development of offshore wind projects to professionals from traditional energy industries, supply chain companies, regulators, investors and others, the first offshore wind skills training program in the United States to focus on professionals and managers seeking to enter the industry. Substantial offshore wind energy projects are expected to be built off the coast of the northeast United States in the next 12 years because of state government requirements to purchase offshore wind power. Because the North American offshore wind industry is still in its infancy—with only 5 offshore wind turbines in operation in U.S. waters—meeting that demand will require significant effort either by global offshore wind companies to learn about the specifics of operating in the United States or by American companies to learn how to enter the growing market. The new Offshore Wind Skills Academy will focus on those seeking to build a domestic

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Eemshaven, 26th October 2018. The Dutch Buss Terminal Eemshaven, formerly Orange Blue Terminal, which is majority-owned by the Hamburg-based Buss Group and with as a minority shareholder the Rotterdam based Broekman Logistics, has appointed Reindert-Jan Visser as further Managing Director effective October 15, 2018. He complements the operational management at the side of Martin van den Heuvel and is responsible for commercial and business development. Reindert-Jan was born in 1982 in Groningen, the Netherlands. After completing his studies in engineering, he studied finance and management in Utrecht and Paris. He worked for various international oil and energy companies in the UK, Norway and Germany in commercial positions as well as project management and joint venture management. In addition, Reindert-Jan has worked on several energy projects in the U.S. Reindert-Jan: “I am looking forward to the new task. With the offshore expertise of the Buss Group and the broad logistics expertise of Broekman Logistics, the Buss Terminal Eemshaven is very well suited to handle the enormous challenges of the offshore energy industry. “I am very pleased that we were able to win Reindert-Jan for this position. With his expertise and connections to the international energy sector, he is the right person to further develop

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In the Belgian port of Ostend, Jan De Nul Group named today its newest offshore installation vessel Taillevent. Miss Pauline Stassijns, granddaughter of Director Dirk De Nul, baptised the vessel and wished her success and a safe journey. The De Nul family, employees and their guests attended the christening. On 18 July 2018, Jan De Nul Group acquired this offshore installation vessel, at that time MPI Discovery, from the Dutch company Vroon Group. The 2011 built Taillevent is designed specifically for the transport and installation of offshore wind turbines and their foundations. It is also perfectly suited to other offshore sectors, such as the oil and gas industry. The vessel is equipped with six spuds to lift the vessel out of the water in order to be able to work in stable conditions. The Taillevent is 140 meters long and can operate in up to 40 metres of water depth. Furthermore, this installation vessel has an on-board crane with a lifting capacity of 1,000 tonnes and an auxiliary crane of 50 tonnes. Among the guests was Bart Tommelein, Flemish Vice Minister-President of the Flemish Government, Flemish Minister for Budget, Finances and Energy, a supporter of green energy production, who gave a speech:

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Exceptionally strong vessel of 60 tonnes bollard pull with a shallow draft of 2.40 metres at 50% capacity Dutch marine services provider Herman Sr. BV has announced at Offshore Energy 2018 that it has agreed with Damen Shipyards Group to order the first of a newly-developed Damen Shoalbuster type with full DP2 capabilities. This will be the first of a new class within the Shoalbuster series and one of the largest available. The vessel will be built at Damen Shipyards Hardinxveld. 35 metres in length, nearly 14 metres wide and with a free deck space of 150m2, the Shoalbuster 3514 will be a substantial working platform. Her SD (Shallow Draft) notation is derived from her exceptionally shallow draft of 2.70 metres at full tank capacity and just 2.40 metres at 50%. Among the many roles that this first DP2 Shoalbuster will be capable of fulfilling will be anchor handling, for which she will have an open stern complete with roller, and towage. With 60 tonnes of bollard pull she will be a powerful and effective towage asset. Four Caterpillar C32 ACERT engines will deliver a total of 3,879 bkW (5,280 hp) to four 1900mm nozzles, an arrangement that contributes significantly to her

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  Successful market entry via Dromadda Beg onshore wind farm Support of the ambitious Irish targets to generate 70% of electricity from renewables by 2030 Further expansion plans of renewables in new markets innogy is constantly growing its Renewables business with its latest commissioning taking place in the Republic of Ireland: One year after purchasing the consented 10.2 megawatts (MW) Dromadda Beg onshore wind project, innogy has completed construction of its first Irish wind farm. The three turbines, situated in County Kerry, are now in the final stage of commissioning. Following innogy’s strategic decision to develop renewable activities in Ireland and establishing its subsidiary, Innogy Renewables Ireland Ltd, in September 2016, today innogy has also inaugurated a new renewables office in Kilkenny City. From here, a team of eight people is working on renewable project opportunities in Ireland. “I am very pleased that we have started operation of our first project in Ireland. This is an important milestone to grow in this exciting market. innogy is looking forward to support the ambitious Irish target to generate 70% of electricity from renewables by 2030 with further green projects. As an experienced developer, builder and operator of renewables-based facilities we are delighted to reinforce our

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Portable test equipment demonstrates successful frequency control testing of power at a Swedish pulp mill and power plants in Myanmar Høvik, Norway -  25th October2018 - DNV GL, the world’s largest resource of independent energy experts and certification body, has launched a new mobile and flexible test tool which allows users to verify the frequency performance and voltage control of power plants, to ensure a reliable power supply. This is especially important for island operations, where the power plant operates in isolation from the national or local grid and for highly sensitive industrial environments, such as pulp mills, refineries, chemical industries and data centres with in-house power production. New global compliance rules and ancillary services mean that Transmission System Operators (TSOs) now demand that power producers verify their frequency containment reserve (FCR) and voltage control/reactive power capabilities, as this is crucial for the short-term balance of generation and load. DNV GL’s Energy Transition Outlook report, forecasts that the world will experience a surge in global electricity production, with renewable sources powering an estimated 80% of global electricity production in 2050. The large-scale integration of renewables further increases the future need for testing services to ensure that power plants can keep pace with

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