GL Garrad Hassan and GL Renewables Certification at EWEA 2013:

Alternative Sources of Energy, Conferences, Seminars, Forums, Energy — By on February 4, 2013 at 4:04 PM
a picture from the Bladed software system

a picture from the Bladed software system

GL Garrad Hassan and GL Renewables Certification at EWEA 2013:
Meet GL Garrad Hassan’s and GL Renewables Certification’s experts at presentations and poster sessions

Vienna/Austria, 4 February 2013 – GL Garrad Hassan and GL Renewables Certification (GL RC) will be at the EWEA 2013 conference in Vienna this week, with experts giving presentations, chairing sessions, while also being on hand to meet attendees at their exhibition stands. The topics GL Garrad Hassan and GL RC experts are presenting range from electromagnetic compatibility, forecasting, yaw control, and condition monitoring, to offshore wind certification.

GL Garrad Hassan Presentations at EWEA 2013:

“Use of Offsite Data to Improve Short Term Ramp Forecasting”
Jeremy Parkes, GL Garrad Hassan
Wednesday 6 February 2013
Session: 14:00 – 15:30 Advances & Challenges in Wind Power

As the penetration of wind energy continues to increase around the world, the impact of wind energy on the management of electrical grids is becoming increasingly evident. The challenge of integrating wind energy for the grid operator, or for the energy trader to maximise the market value of the energy, is toughest during periods of rapid change in wind farm production, or ramp events. This study aims to focus on methodologies for improving short term ramp forecasting by using offsite data effectively.

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“Long-term Simulations for Optimising Yaw Control and Start-Stop Strategies”
Thibault Delouvrié, GL Garrad Hassan
Wednesday 6 February 2013
Session: 14:00 – 15:30 Control and Loads

Yaw control and high-wind start/stop control are two aspects of wind turbine control which have received relatively little attention. The control algorithms are usually very simple, and depend on parameters for which no formal optimisation methods exist. Often the parameter values are set using a combination of trial and error, intuition and previous field experience. Following turbine commissioning, they can be adjusted further if careful observations are made and analysed over an extended period of time. This paper presents a new method whereby these aspects of the controller can be tuned and evaluated in detail at the design stage.

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“Rethinking Local Content Requirements”
Oscar Fitch-Roy, GL Garrad Hassan
Thursday 7 February 2013
Session: 09:00 – 10:30 Social Acceptance – Lessons in How to Achieve it

Local content requirements are often presented as a barrier to wind development. But is this necessarily the case? This paper challenges such assertions, demonstrating that local content provisions serve a vital role in securing the social acceptance of – and indeed the political buy-in for – wind energy.

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“Opportunities Around The Corner: Assessing Market Development in the Mena Region”
David Williams, GL Garrad Hassan
Thursday 7 February 2013
Session: 11:00 – 12:30 Beyond Europe

The Middle East and North Africa (MENA) is embedded in the consciousness of many as the ultimate home of fossil-fuels. Yet even in this most resource-rich of regions, a collection of market drivers is propelling interest in renewables, leading to an increasing number of nascent wind developments. But what is the true potential for wind in MENA? What barriers to deployment might thwart its prospects? This paper seeks to answer these pressing questions, drawing on the common regional themes of greatest interest to potential investors, suppliers, developers and policymakers from Europe.

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“Comparison of Methods for Wind Turbine Condition Monitoring with SCADA Data”
Michael Wilkinson, GL Garrad Hassan
Thursday 7 February 2013
Session: 11:00 – 12:30 Improved Operations & Maintenance

Wind turbine reliability remains an important focus for wind turbine owners, operators and manufacturers. The effect of low reliability on wind turbine and wind farm availability is particularly acute in the offshore environment, where a failure can lead to prolonged downtime. Reliability can be improved and downtime reduced through the use of condition monitoring. The use of SCADA data for condition monitoring has a number of advantages; in particular the data are already collected, requiring no additional hardware.

Different approaches are available to utilise SCADA data to predict the health of operational wind turbines. Generally, they can be grouped into three categories: Signal Trending, Artificial Neural Networks (ANN) and Physical Models. This paper describes the results of an investigation into these approaches: examples of their application to real data sets are given and the relative merits are compared. The results of a large validation study which tested the effectiveness of the techniques in detecting a range of different component failures on 472 wind farm years of SCADA data from multiple turbine manufacturers are also presented.

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GL Renewables Certification Presentations at EWEA 2013:

“CE Marking of Wind Turbines – Applicability of Harmonised Standards According to the EU Directive for Low Voltage Equipment (2006/95/EC)”
Manuel Gemuend, GL Renewables Certification
Thursday 7 February 2013
Session: 11:00 – 12:30 Certification

It is a legal requirement to perform an appropriate CE marking for products. Only then are wind turbines allowed to enter the market within the member states of the EEA. There are at least five directives (EMC 2004/108/EC, 89/106/EEC, 2006/42/EC, 89/686/EEC, 2006/95/EC) which apply to wind turbines and their components, depending on the design and project cycle. When the requirements of all the relevant directives are met properly, e.g. by applying the appropriate harmonised standards, CE marking of wind turbines can then be designated as completed.

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New Guideline for Offshore Wind Turbines
Mike Woebbeking, GL Renewables Certification
Thursday 7 February 2013
Session: 11:00 – 12:30 Certification

The presentation has as its focus the latest guideline developments from GL RC in 2012. It describes the latest innovations from GL RC and its technical committee for the certification of offshore wind turbines and projects. Including such topics as grouted connections, floating wind turbines and risk based approval. A comparison to the existing requirements is given as well as an overview of different market requirements. Furthermore, the benefits for manufacturers, banks and insurers of Type and Project Certification, taking in account the different certification processes and guidelines, are presented. The modules and procedures to obtain Type and Project Certificates are also shown in detail.

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Design Challenges for Structural Components
Oliver Maier, GL Renewables Certification
Thursday 7 February 2013-02-01
Session: 11:00 – 12:30 Certification
Certifying bodies, through their work see a huge number of wind turbines and components every year, and concurrently a broad spectrum of approaches used to verify structural components. Such wide variety of approaches raises the question of how time-consuming, costly, realistic, and efficient these different approaches are. Therefore investigations are performed and to evaluate these approaches, with the results being used to continuously adapt and optimise the calculation methodologies and provide the best support to our customers. Three active investigations will be presented in this session.

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POSTER SESSIONS:
Tuesday, 5 February 2013, 15:30 – 19:00

Nacelle Based Lidar-System – Procedure for Validation by Comparison with Cup Anemometry – Valentin Müller, GL Garrad Hassan

CE Marking for Wind Turbines – Applicable EC Directives – Manuel Gemuend, GL Renewables Certification

CE Marking of Wind Turbines – Applicability of Harmonised Standards According to the EU Directive for Low Voltage Equipment (2006/95/EC)” – Manuel Gemuend, GL Renewables Certification

Component Certification – Hallmark and Entrance to Worldwide Wind Market – Andreas Kamleitner, GL Renewables Certification

Electromagnetic Compatibility (EMC) of Wind Turbines – Kimon Argyriadis, GL Renewables Certification

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Visit GL Garrad Hassan and GL RC at EWEA 2013 at exhibition stand no A-C60.

Celebrate with us
2013 marks the 20th birthday of Bladed, the industry standard integrated software package for the design and certification of onshore and offshore turbines. Join us in our celebration as we host a stand party at 17.30 on Tuesday 5th February on stand A-C60. We look forward to welcoming you to our stand.

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GL GH Experts Session Chairs

Lars Landberg, GL GH Senior Vice President, is the track chair for the Resource Assessment sessions. This critical area has been a topic of interest since the very beginning of wind energy development and is still a very active field of investigation. During this year’s wind resource assessment track, participants will not only learn about the latest developments within the field, each session will not only address the current challenges and developments, but aims to make the presentations applicable to the wider wind resource community. Finally, the sessions will also try to answer the question: where do we go from here?

Dr Ervin Bossanyi, GL GH, will chair the Control and Loads session. This session focuses on aspects of wind turbine dynamic and operational control which have a direct impact on turbine loads, component cost, energy capture, and integration into the grid system.

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GL Group media contact at EWEA 2013:
Steffi Goessling, mobile +49 162 13 57 745, steffi.goessling@gl-group.com

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