SSE• Vertical profiling LiDARs for Wind Resource Assessment• Greater Gabbard PCT

• Wind Iris• Windcube 100S• Proof of concept vs Met Mast• Ongoing performance assessments

• Future PCTs Onshore & Offshore using LiDAR…

DTU Wind Energy, Technical University of Denmark1

Antoine Borraccino: IEA Wind Task 32My experience with nacelle lidars ….

• Three years of full-time PhD (does it count? )

–Compiled in 182 pages (link)

• Development of calibration methodologies

–The ”white-box” technique (link)

–A lot of metrology, measurements and uncertainties

• New wind field reconstruction techniques (link)

– Incl. the ”short-range” measurements method

• Application to power performance testing

–UniTTe project

–Analysis of 3 full-scale campaigns

UL and the UL logo are trademarks of UL LLC © 2017. Proprietary & Confidential.

• UL has a fleet of more than 10 ground-based/nacelle-based wind LiDARs

• Wind-LiDAR verification/calibrations against IEC-conform Wehlens

(Wilhelmshaven) mast and offshore masts

• Wind LiDAR measurements (installation, online monitoring, ….)

• Wind resource/site assessment (stand-alone & supporting)

• Power curve test verification (Hub height & Equivalent wind speed) using

nacelle & vertical wind LiDARs

• Yaw misalignment correction

• R&D projects using nacelle-based, ground-based and floating wind lidars.

UL International (UL-DEWI) wind LiDAR Activities

Involved in several working groups

• IEA Wind Task 32, IEC 61400-12-1:2017, New working IEC group “Wind energy generation systems - Part

50-3: Use of nacelle mounted lidars for wind measurements (proposed project number 61400-50-3)”

• New Measnet Expert Group: Remote Sensing Verification

26/09/2017 1

Chris Slinger ZephIR Lidar

Experience

• Joined ZephIR in 2011

• ZephIR R&D lead for turbine mounted lidar• Algorithm development

• Requirements capture

• In-house calibration techniques

• Practical deployment experience of ZephIR lidars on

many turbine types

• Analysis of lidar data for power curves and other

nacelle mounted lidar applications

• Lead author for ZephIR deployment and power

curve procedure documents

• Participant in Project UniTTe

Expectations for the workshop

• Help inform IEC standard for nacelle mounted lidars

for power curve measurement

• Update understanding of end-user needs for this

class of lidars

• Refine existing ZephIR power curve procedures

chris.slinger@zephirlidar.com

Participant’s Information:

Name : Christos Tsouknidas

Company: Siemens Gamesa Renewable Energy ApS.

Position: Power Curve Warranty Analyst.

Experience:

Joined Siemens Wind Power on 2016.

Most of my work tasks are related to IEC 61400-12-1 ed.1 and analysis of the data from on-going

measurement campaign on Siemens turbines.

Uncertainty calculation using IEC 61400-12-1 ed.2. using RSD.

Experience with analysis of Ground based LiDAR measurements.

Expectations:

Gain experience and understanding of the pitfalls and challenges using nacelle LiDAR for power

performance measurements.

Learn how the community (consultants and research institutes) deals with Nacelle LiDAR calibration and

the different concepts.

Have the chance to discus with wind farm developers and LiDAR manufacturers about their experiences

and findings using nacelle LiDAR.

In the end of the day it is good to develop a network that can help my team and company in the future.

• Cooperation with Antoine Borraccino in Power Performance testing in induction zone

• Lidar-Assisted Control

• Wind field reconstruction

University of Stuttgart, Stuttgart Wind Energy (SWE) @ Institute of Aircraft Design

Operating Agent of IEA Wind Task 32

Leader of Control group at SWE

Founder of sowento

David Schlipf

Multiversum GmbH

DETLEF STEIN, MULTIVERSUM GMBH (FORMERLY DNV GL)

IEA TASK 32 ADVISORY BOARD MEMBER

26.09.2017Page 1

Classical power performance testingand power curve verifications

EU research programs for wind remote sensing: WISE (SoDAR, 2003 to 2005) &

NORSEWIND (LiDAR, 2008 - 2012).

Ground Based , Scanning and Floating LiDARverifications onshore and offshore against classicalanemometry

Onshore and Offshore fixed LiDAR based wind resource onsite measurements

OWA/Carbon Trust Roadmap for thecommercialization of Floating LiDAR

IEA Wind Task 32 and OWA/Carbon Trust Recommended Practice for Floating LiDAR in WRA OWA/Carbon Trust project on

reduction of LiDAR uncertainty

Design of strategies for offshore wind resource assessment campaigns using Floating LiDAR

Expectations:

• Witnessing Expert Exchange and contributing to discussions where suitable

• Learnings about NM PPM campaign excecution, verification/calibration and uncertainty reduction

• Meeting fency people

DNV GL RS Test Site Layout for LiDARs: Ground Based, Scanning and Nacelle-mounted

Project manager for Offshore Wind Accelerator Wakes Technical working Group

Experience with lidar measurements and/or power performance assessment

Previous projects

• Floating LiDAR (Roadmap and Recommended Practice, and running validation trials)

• Rodsand II measurement campaign with multiple types of LiDAR (incl nacelle mounted and scanning)

Active Projects

• Power Curve Validation

• Wind Farm Control Trial Project

• Thrust curve measurements

• LiDAR for Site Assessment

• Update to Floating LiDAR roadmap

Expectation from the workshop

Opportunity to share insights from our work and represent the 9 Offshore wind developers that are members of the Offshore Wind Accelerator 0

Eloise Burnett; Carbon Trust

ENGIE LABORELEC

00/00/2015 PRESENTATION TITLE ( FOOTER CAN BE PERSONALIZED AS FOLLOW: INSERT / HEADER AND FOOTER") 1

Our use of Nacelle-Lidar:

• Pre/post comparison of power

curve after retrofit

• Yaw misalignment correction

Expectations

• Find proven cases of power

curve testing with OEM’s

agreement.

• Provide evidence to IEC that

lidar has low uncertainty

• Convince IEC of the industry

acceptance

• Reduce AEP uncertainty <5% at

acceptable cost

Name: Ginka Yankova

Workplace: DTU Wind Energy

Position: Development Engineer

Responsibilities: Nacelle lidar calibrations; power curve measurements

Expectations: See other people’s experience with calibrating NL;

get a glimpse of the application of nacelle lidars;

Confidential © Siemens AG 2017

Ioannis Antoniou

Ioannis Antoniou, IEA 32, Dong Energy, 27-9-2017

LiDARs @ Siemens

Experience:

Worked with power performance measurements for more than 25 years.

Worked with RSD (ground based LIDARs, SODARs. Nacelle LIDARs) on performance verification. Both while at DTU and SGRE.

Member IEC 61400-12-1.

Expectations from the workshop:

Debate LIDAR calibrations.

Learn more on performance verification challenges.

ecn.nl

Jan Willem Wagenaar - ECN

• LiDAR– Around 10 years, tested almost all LiDARs

– Ground based, nacelle based, floating and scanning

– Focused on application; reduction of LCOE

– LAWINE project

• Power performance– Over 30 years of experience

– ISO 17025 and IECRE accredited for IEC 61400-12-1, 12-2, …

– MEASNET founding member

• Expectations– Technically founded ‘How to’

– Identification of bottlenecks

DNV GL © 2017 27th September 2017

Jens Riechert

Since July 2017: Project Engineer at DNV GL

- Calibration/Verification of lidar systems (ground- and nacelle-based)

- Power Performance Verification

10/2016-06/2017 Master thesis at DNV GL

- Calibration of nacelle-based lidar systems at Janneby test site

10/2013-10/2016: Student at DNV GL

- Performance verification of ground-based lidar systems

- Wind Resource Measurements using ground-based lidar systems

Expectation from the workshop:

- Learn more about other calibration test sites and procedures

- Learn more about the state of the art in power cure measurements using

nacelle-based lidar systems

1

• Exchange of knowledge about the state of art of nacelle-based Lidar for power performance measurement

• Overview on the different point of views and interests on nacelle Lidar implementation from different stakeholders

• Interactive discussion on how nacelle based Lidar can be calibrated and used for power performance measurement

Experiences with Lidar Expectations from the workshop

Lidar data analysis• Wind field comparison between Lidar data

and radar satellite data

• Validation of vertical wind profile from multi Lidar data against 200m met-mast

• Dynamic CNR filtering for multi Lidar data

Ground-based Lidar • Installation of systems in complex

terrain in Kassel and Portugal

• Leveling of Lidar systems using hard targeting and sea surface leveling method

• Monitoring and operation of Lidar systems in offshore wind park Riffgat

Spinner Lidar• Installation of support frame for

Spinner Lidar in Wind turbine spinner

Julian Hieronimus, M.Sc. Measurement Engineer – Performance & LoadsM.O.E. (Moeller Operating Engineering GmbH)Itzehoe, Germany

E-Mail: Julian.Hieronimus@moe-service.comTel. 04821 4063667Mobile: 01717517279

[Source: DTU]

[Source: ForWind | eno energy GmbH]

Lidar/PPT Experience

Internal measurement-side PPT expert

Authoring internal guidelines for LiDAR PPT testing

LiDAR user since 2013—site suitability, energy

assessments, internal turbine tests

Expectations

Clearer understanding of commercial/technical future

nacelle LiDAR testing

Understanding of uncertainties in nacelle LiDAR

testing—especially possible reductions.

Justin Burstein

DNV GL © 2014

IEA Task 32 PPM Workshop Introduction

Luke Simmons – DNV GL

– Global lead for power performance measurements (PPM)

– Involved with many PPM primarily for warranty verification

– Several ground-based lidar campaigns (flat and complex)

– Several nacelle-based lidar campaigns (flat and complex)

Expectations from workshop

– Update on state of the art for the technology

– Update on OEM perspective

– Discuss timeline for nacelle lidar industry “acceptance”, can IEA or IEC set

some boundaries/guidance asap?

– Discuss calibration expectations

1

Matthias Ihlenfeldt, Wind & site engineeringLiDAR Experience

6 ground based LiDAR applied for

Site & Resource assessment

Power curve testing

Troubleshooting

Sound testing

WEC installation monitoring

~30 deployments in Europe and

America

Experience since 2010

1 nacelle based LiDAR as in house tool

4 deployments done on Senvion

turbines0

20

40

60

-150 -120 -90

Longitude [deg]

Latit

ude [deg]

LiDAR Measurement Campaigns

45

50

55

-5 0 5 10 15 20

Longitude [deg]

Latit

ude [deg]

LiDAR Measurement Campaigns

Expectations

Knowledge transfer

Get new ideas for application

Networking with other users

As appropriate: find partners for test cases

DTU Wind Energy, Technical University of Denmark

Mike Courtney, DTU, Denmark

1 26 September 2017

• Ground-based lidar calibration

• Nacelle lidar ‘white-box’ methodology

• Flywheel lidic calibration

Experience:

• Finding out how much (little) we agree• Listening to the industry side of things• Sensing if there is support for a new approach

Expectations:

DNV GL © 2017

Ungraded

27 February 2017

Nikolai Hille - DNV GL Renewables Certification, Hamburg

Experiences with Lidar measurements and/ or power performance assessment

Assessment of power performance reports for Type Certification – not yet with Lidar as sensor, though

Load calculation of turbines applying Lidar Assisted Control

Discussions if Lidar measured data can be used to determine turbulence intensity

My expectation from the workshop

Contribute to the workshop scope from the Certification Body’s viewpoint

Getting to know the Lidar community

1

IEA Task32 Workshop

Certification of Lidar-Assisted

Control Applications

30.-31.01.2018

Venue: DNV GL Hamburg,

Germany

IEA Wind Task 32Copenhagen, 27 09 2017www.opticsense.eu

Whirlwind

… for wind turbine control

… for site evaluation

A compact and robust wind lidar

27 September 2017

Paula Gómez (DTU)

• Senior development engineer at DTU Wind Energy, Wind Turbine Tests group.

– Test & calibration laboratory (accredited to ISO 17025, by DANAK/ILAC)

– Focuses on (but not limited to) test activities in Høvsøre & Østerild stations.

• I have 10 years of experience in wind energy, focusing on:

– Wind turbine power curve tests, using:

• cup anemometers

• ground-based and nacelle-based lidars

• spinner anemometers

– Lidar calibrations: ground-based wind lidars, nacelle-based lidars.

• Member of IEC PT 61400-50-3 (also, MT 61400-12-1 and Measnet).

• EXPECTATIONS for the IEA 32 workshop:

– Have an update on the state of the art / best practices of the use of nacelle lidars, from different points of view (stake holders).

– Identify critical points / challenges in the use of nacelle lidars that should be addressed by IEC -50-3.

1

1

Stefan GoossensWind resource analyst

Experience

1x PCV with nacelle lidar

1x PCV with mast

Expected results

Learn more about calibrationof nacelle lidars.

Identification of barriers

Dr Theodore HoltomWind Farm Analytics Ltd- collaborating with Fraunhofer UK- LIDAR technology development- invention based on ops experience- power curve performance analysis- rotor mapping look ahead triple beam LIDAR- whole rotor yaw for increasing power- alarm on abnormal wind flow and reduce loads- unambiguous 3d convergent beam LIDAR- scanning system for volumetric wind field- buoy mounted convergent beam LIDAR for offshore sites

IEA Wind Task 32 – Workshop #6

Attendees :

Martin Rambusch – Chief Commercial Officer

Guillermo González Rilova – Wind data analyst

Dominique Held – Industrial PhD

Windar Photonics A/S is a Danish nacelle based CW Lidar manufacturer

Objectives:Understand the applicability of the current methods and standards for nacelle mounted power curve measurement to a short range Lidar (~1D focus distance)