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Notes on Engineering Details

Load assumptions, safety system & protective and monitoring devices, rotor blades and machinery components, support structure, electrical installations and project certification: Download your Notes on Engineering Details as PDF.

General

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0.a. D-Design Assessment

File: PDF [28,53 KB]

0.b. Statement of Compliance for the Implementation of the Design Requirements in Production and Erection (IPE), Renewal

File: PDF [43,59 KB]

0.c. Modifications in Guideline for wind turbines, loads and strength analysis for tower and foundation, Edition March 2004, German Institute for Civil Engineering - DIBt

File: PDF [25,52 KB]

0.d. GL Renewables Certification Technical Note "Gutachtliche Stellungnahmen (Expert's Reports) according to DIBt Guideline, Scope of Assessment"

File: PDF [179,96 KB]

0.e. Erratum in GL 2010

File: PDF [104,16 KB]

1. Load Assumptions

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1.a. Requirements additional to those in the GL Renewables Certification Guideline 2003 in order to fulfil IEC 61400-1, ed. 1999 and DIBt guideline (March 2004)

File: PDF [50,60 KB]

1.b. Alternative interpretation of load case DLC 6.1 of IEC 61400-1, edition 2, applying EN 61400-1, November 2005

File: PDF [22,83 KB]

1.c. Load assumptions at extreme temperatures

File: PDF [55,25 KB]

1.d. Overall Damping for Piled Offshore Support Structures

File: PDF [157,43 KB]

2. Safety System & Protective and Monitoring Devices

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2.a Offshore Wind Turbine Certification, Manuals for Sea Transport and Offshore Installation

File: PDF [23,93 KB]

2.b. Commissioning Manual for Wind Turbines, Test to verify independence of safety systemem

File: PDF [19,66 KB]

2.c CMS at Type Certification for Offshore Wind Energy

File: PDF [21,30 KB]

3. Rotor Blades

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3.a. Certification Update from GL Renewables Certification Guideline Edition 1999 to Edition 2003/2004

File: PDF [520,18 KB]

3.b. Verification of inter-fibre failure

File: PDF [162,57 KB]

3.c. Full scale dynamic blade test acc. to IEC WT01

File: PDF [97,57 KB]

3.d. Partial Safety Factor for Buckling of Tower Shells according to IEC 61400-1, 3rd Edition

File: PDF [111,74 KB]

3.e. Determination of stress magnification factor km

File: PDF [128,60 KB]

4. Machinery Components

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4.a. Interpretation of Section 7.1.3 Drive train dynamics

File: PDF [696,25 KB]

4.b. The removal of faults by repairing components of wind turbines

File: PDF [53,79 KB]

4.c Usage of Bolts inside the area of Material Yielding (Plastification)

File: PDF [32,96 KB]

4.d. Partial Safety Factor Gamma_M for Bolts

File: PDF [27,58 KB]

4.e. Applicability of Section 7.3.5.2 (2) of the "Guideline for the Certification of Offshore Wind Turbines" for the certification of on- and offshore wind turbines

File: PDF [23,29 KB]

4.f. Gearbox structures

File: PDF [163,01 KB]

4.g. Automatic Lubrication System for Yaw Gears, Minimum Safety Factors SH against Pitting in Yaw Gears

File: PDF [22,79 KB]

4.h. Fatigue assessment of welded machinery structures: Permissible Palmgren-Miner damage sum

File: PDF [43,82 KB]

4.i. Admissible total strain of local plastified areas under extreme loading

File: PDF [43,08 KB]

4.j. Superposition of plastified areas caused by extreme load with fatigue critical areas

File: PDF [41,84 KB]

5. Support Structure

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5.a. Fatigue-verification of embedded steel section / welded connection between shell and bottom flange

File: PDF [45,79 KB]

5.b. Inspection Certificates Required for Structural Members for Offshore Wind Turbines

File: PDF [107,99 KB]

5.c. Quasi-permanent combination of actions for verification of concrete structures for the serviceability-limit-state (SLS)

File: PDF [109,50 KB]

5.d. Partial safety factors for welded and structural steel for certification according to IEC 61400-1, 3rd Edition

File: PDF [115,60 KB]

6. Electrical Installations

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6.a. Required amount of receptors in rotor blades

File: PDF [18,01 KB]

6.b. Erratum in Offshore Guideline

File: PDF [15,19 KB]

6.c. Transition period from IEC 61400-21 Ed. 1.0 (2001-12) to IEC 61400-21 Ed. 2.0 (2008-08)

File: PDF [20,55 KB]

6.d. EN 954-1: Circuits for safety-related parts of the control

File: PDF [117,03 KB]

6.e. Extended applicability of Chapter 8 "Electrical Installations" to Offshore Substations

File: PDF [111,56 KB]

7. Project Certification

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7.a. "Preliminary Draft" acc. to BSH Standard Design: Certification requirements and extent of examination

File: PDF [24,07 KB]

7.b. Transition period for implementation of new guideline [2] regarding Site Specific Design Assessment

File: PDF [97,65 KB]

7.c. Marine Operations in Offshore Wind Project Certification

File: PDF [21,56 KB]

7.d. Integration of Type Certificates in Project Certification

File: PDF [50,10 KB]

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