JAVIER CALLÉN / Project Manager+34 636 66 71 75
NABRAJOINT®: THE SOLUTION FOR XXL BLADES SEGMENTATION
Wind Turbine Blade Manufacture 2017DüssseldorfDecember 14th, 2017PPT-0721 Rev. A
2
CONTENTS
1. Company Introduction• History• Team
2. XXL Blades Challenges• Market Evolution• Modular Blade Solution• Logistic Considerations• Logistic Model Analysis
3. NABRAJOINT®
• Product Description• Certification Strategy• Project Overview• Conclusions
3
1 COMPANY INTRODUCTIONHistory
2015 2016 2017 20182014
Nabrawind Technologies Founded
Nabrawind Founded
SHAREHOLDERS
Nabrawind
Barinaga y Alberdi
SODENA
Technology Projects Development
Public Funding
CommercialPreserialsPrototypes
NABRAWIND TECHNOLOGIESAdvanced Wind Technologies
Modular Blade Joint
Self Erected Tower
Drastic Cost Reduction
Modularity Proven Technologies
1st DesignIP Development & Protection
4
0
5
10
15
20
25
30
35
WindTurbineProjects
WindBladeProjects BladeMouldProjects
InventedPatents
Units
NBTECH BACKGROUND
Pamplona (Spain) HEADQUARTER
NAWIND
Long Experienced Team
Wind Environment Headquarters
1 COMPANY INTRODUCTIONTeam
5
2 XXL BLADES CHALLENGESMarket Evolution
Source: www.ssptech.com Source: ALE Heavylift
6
Source: NABRAWIND
Source: NABRAWIND
XXL BLADES CHALLENGESModular Blade Solution2
7
STD BladeSegmented Blade
Blade Cost
Blade Length
Blade Cost
Blade Length
60 m 70 m
Ex-works
Full Cost
FEASIBLE?Transport & Assembly
Cost
XXL BLADES CHALLENGESLogistic Considerations2
8
Modular
Standard
Factory to Port Port to Port Port to SiteSite
adaptation
XXL BLADES CHALLENGESLogistic Model Analysis2
9
3 NABRAJOINT®
Product Description
10
• MBJ Details. General view
• Single element detail
XPACER
3 NABRAJOINT®
Product Description
11
NABRAJOINT®
Product Description3
12
3 NABRAJOINT®
Product Description Good Poor
Modular Blade Joints Alternatives
Bonded T-Bolt Double Fitting Bath Fitting
Strength / bolt sizing
Mass & Cost
Assembly on Site
Maintenance
Reliability
Source: MAKE Consulting
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0%
20%
40%
60%
80%
100%
120%
140%
T-bolts Inserts Nabrajoint®
LCC/€
3 NABRAJOINT®
Product Description
0% 10% 20% 30% 40% 50% 60% 70% 80% 90%
100%
0% 25% 50% 75% 100%
Dim./Max.Chord(%
)
Adim.Length(%)
BladeGeometry
Thickness
Chord
-100%
-80%
-60%
-40%
-20%
0%
20%
40%
60%
80%
100%
0% 20% 40% 60% 80% 100%
M/M
flapm
ax(%
)
Adim.Length(%)
BladeLoads
Adim.Mflap
Adim.Medge
0%
20%
40%
60%
80%
100%
120%
0% 25% 50% 75% 100%
Adim.S
parC
apLoad(%)
Adim.Length(%)
SparCapUnitaryLoad
Adim.SparCapLoad(M/t)
LCC: Load Carrying Capacity (kN/mm)LPE: Max. Load per Element (kN/mm)
0%
20%
40%
60%
80%
100%
120%
0% 25% 50% 75% 100%
Adim.S
parC
apLoadFlow
(%)
Adim.Length(%)
SparCapLoadFlow
Adim.SparCapLoadFlow(M/t.c)
100%
102%
104%
106%
108%
110%
112%
114%
116%
0% 25% 50% 75% 100%
Adim.C
ost(%)
Adim.Length(%)
JointModuleCost
LPE@BladeRoot
LPE@70%Blade
LPE@50%Blade
0%
20%
40%
60%
80%
100%
120%
140%
T-bolts Inserts Nabrajoint®
LCC
0%
20%
40%
60%
80%
100%
120%
140%
160%
T-bolts Inserts Nabrajoint®
LCC/kg
14
3 NABRAJOINT®
Certification Strategy
FullScale
Substructure
Subcomponent
Material Characterization
15
3 NABRAJOINT®
Certification Strategy
FullScale
Substructure
Subcomponent
Material Characterization
16
3 NABRAJOINT®
Certification Strategy
FullScale
Substructure
Subcomponent
Material Characterization
17
3 NABRAJOINT®
Certification Strategy
FullScale
Substructure
Subcomponent
Material Characterization
18
MBJ TechnologyDevelopment
Modular BladePreserials
BladeCertificate
Blade JointCertificate
Design Certificate
F-S Static and Fatigue Tests
2016 2017 2018
Segment Tests
2019
3 NABRAJOINT®
Project Overview
19
3 NABRAJOINT®
Product Description
Cost-Effective SolutionSingle Bolt per Joint Element
Smart Intermediate Spacer
Minimum WeightUltra High Load Carrying Capacity
Hybrid Carbon-Glass Fiber Module
Fast AssemblySimple Segments Coordination
Automatic Pretension Tooling
Reliable SolutionRobust Assembly Process
Maintenance Free
First Class TechnologyDNV-GL Certification Process
Long Track Record Team
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CONCLUSIONSReady for integration in commercial blade models
© Nabrawind Technologies 2017All rights reserved. No part of this publication can be reproduced, stored in a retrieval system or transmitted in any form or by any
means, electronic, mechanical or photocopying, recording, or otherwise without the prior permission of the publisher.
Thanks for your attention
