16 September 2018 2018 11:33 AM GMT

Ingeteam Develops New Optimal Offshore Power Conversion Architecture

Ingeteam, an independent global supplier of electrical conversion and turbine control equipment, has announced that a recent in-house R&D study allowed them to work out the optimal electrical power conversion designs for offshore wind turbines up to 15 MW. The research, taking into account the complex set of parameters at play in Levelized Cost of Energy (LCoE), enabled the company to develop a Medium Voltage Power Converter based on the parallelisation of several conversion lines (core product) reaching up to the 15 MW power range. Ingeteam claims that its new design is the ideal solution for scaling up offshore turbine platforms and will present its converter and the associated research at the Global Wind Summit in Hamburg next month.

Ingeteam’s R&D study assessed the complex relationship between the cost of the power conversion stage and its reliability and maintainability metrics (MTBF and MTTR respectively[1]) to determine the lowest LCoE. Based on the study findings, Ingeteam found that the optimal solution for the offshore wind market is a Medium Voltage Power Converter based on the parallelization of several conversion lines (core product) reaching up to the 15 MW power range. The power conversion line designed by Ingeteam offers the best investment/availability ratio, with efficient operation, easy maintenance and improved reliability.

“With current technologies, as well as the expected progress in materials and engineering integration, we think that offshore wind turbines will continue to rapidly increase their power capacity. Therefore, a robust medium voltage power converter has been developed focusing on a market that demands a low Levelized Cost of Energy (LCoE) without compromising quality or performance in wind turbine platforms that are continuously scaling up”, commented Ana Goyen, Director of Ingeteam Wind Energy.

The company’s new core product is capable of reaching the 15 MW power range and has been conceived considering the modularity of the system as a key feature. It, therefore, allows multiple solutions depending on customer requirements regarding the integration in the wind turbine. The design of the converter offers maintenance friendly characteristics with front access and withdrawable main components that directly contribute to minimizing the OPEX related to the service of the wind turbine.

This medium voltage converter has been specially designed for the offshore market with a fully enclosed cabinet and a liquid cooling system that guarantees the safe operation of the converter even in harsh environments. With efficiencies higher than >98% at rated operating conditions, the proposed solution contributes significantly to minimize the production losses of the wind turbine.

Ingeteam has developed the control algorithms of its full power converters to guarantee the fulfilment of the most demanding grid codes, such as, German EON-2006 and Indian CERC-CEA. Additionally, country-specific power quality requirements are fulfilled by applying advanced modulation strategies. Ingeteam’s medium voltage converter solution is able to control the torque of different types of generators (IG, PMG or EESG) with the highest performance dynamics but always remaining within winding and bearing limits. Finally, the control algorithms can be adapted to operate with single and multiphase stator generators in order to optimize the whole wind turbine solution.

[1] The availability depends on two metrics: Mean Time Between Failures (MTBF) and Mean Time Between Repair (MTTR). It grows with higher values of MTBF and lower values of MTTR. But there is also a direct relationship with costs as higher investments allow better materials or even the additions of redundancies, more advanced tools and optimal maintenance programmes.

September 16th 2018
Ingeteam Develops New Optimal Offshore Power Conversion Architecture

Ingeteam, an independent global supplier of electrical conversion and turbine control equipment, has announced that a recent in-house R&D study allowed them to work out the optimal electrical power conversion designs for offshore wind turbines up to 15 MW. The research, taking into account the complex set of parameters at play in LCoE, enabled it to develop a Medium Voltage Power Converter reaching up to the 15 MW power range. Ingeteam claims that its new design is the ideal solution for scaling up offshore turbine platforms and will present its converter and the associated research at the Global Wind Summit in Hamburg next month.

September 17th 2018
MHI Vestas Signs Firm Order for Largest MW Project in Company History

MHI Vestas Offshore Wind will supply 90 of its flagship V164-9.5 MW turbines for the 860 MW Triton Knoll Offshore Wind Farm project; its largest MW project to date. MHI Vestas celebrated the financial close of the deal with innogy, at the site, confirming the project as the largest (MW) in the history of the turbine company. Affirming its strengthening position in the UK offshore wind market, the Danish-Japanese joint venture will supply 90 of the world’s most powerful commercially available turbine, the V164-9.5 MW, and has agreed on a comprehensive 5-year O&M agreement.

September 10th 2018
Ørsted Announces Plans For Offshore Wind Farm To Power 1 Million UK Homes

Ørsted, the largest energy company in Denmark has recently unveiled its plans for a sustainable energy solution to power more than 1 million homes in the UK when completed. The company is one of many leading organisations speaking and presenting at the 17th annual Benelux Infrastructure Forum on 21–22 November in Amsterdam. This year’s 2-day conference is the biggest yet, hosting an international gathering of industry leaders from law firms, banks, investment asset and fund managers, energy companies, insurance companies, European Commission, and engineering consultancies.

August 25th 2018
Electrification The Key To Decarbonising Europe’s Economy

Electrification is the key to decarbonising Europe’s economy, according to WindEurope CEO Giles Dickson. He said: “according to the IEA, wind will be the #1 source of electricity soon after 2030, providing more than 30% of Europe’s electricity, but electricity is only 22% of the final energy needed by Europe’s economy. Political momentum is starting to grow for an EU target of net-zero emissions in 2050. To do this we’ll need to electrify heating and transport, where the share of renewables is just 18% and 6% respectively; that has to be the #1 priority”.

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