Investigation of the IEC Safety Standard for Small Wind Turbine Design Through Modeling and Testing

Jason Jonkman; Jeroen Van Dam; Trudy Forsyth; Dean Davis

doi:10.1115/wind2003-1048

Investigation of the IEC Safety Standard for Small Wind Turbine Design Through Modeling and Testing

Jason Jonkman, Jeroen Van Dam, Trudy Forsyth, Dean Davis

National Wind Technology Center

Research output: Contribution to conference › Paper › peer-review

2 Scopus Citations

Abstract

Since 1999, the International Electrotechnical Commission (EEC) Maintenance Team 2 (MT2) has been working on a revision of the IEC 61400-2 standard on the safety, quality, integrity, and design requirements of small wind turbines (SWTs). During this effort, a study was conducted to evaluate the quality of the structural design criteria specified by the original -2 standard. Test measurements and aeroelastic predictions of loads were gathered for a collection of SWTs and evaluated against the simplified load models and load cases specified in the standard. The collection of turbines included variations in rotor size, blade number, rotor location (upwind / downwind), hub type (rigid / teetered), yaw mechanism (free / active), and others. In general, the comparison of load measurements and model predictions exemplified the inaccuracy of the design load levels in me original -2 standard and suggested methods of improvement. Revisions being made to the standard include enhanced load models, new load cases, and improved safety factors. This work should culminate in a revised IEC 61400-2 standard that has a higher degree of applicability and dependability than the original.

Original language	American English
Pages	340-350
Number of pages	11
DOIs	https://doi.org/10.1115/wind2003-1048
State	Published - 2003
Event	2003 ASME Wind Energy Symposium: 41st AIAA Aerospace Sciences Meeting and Exhibit - Reno, Nevada Duration: 6 Jan 2003 → 9 Jan 2003

Conference

Conference	2003 ASME Wind Energy Symposium: 41st AIAA Aerospace Sciences Meeting and Exhibit
City	Reno, Nevada
Period	6/01/03 → 9/01/03

Bibliographical note

For preprint version, including full text online document, see NREL/CP-500-33004

NREL Publication Number

NREL/CP-500-35273

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1115/wind2003-1048

Cite this

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title = "Investigation of the IEC Safety Standard for Small Wind Turbine Design Through Modeling and Testing",

abstract = "Since 1999, the International Electrotechnical Commission (EEC) Maintenance Team 2 (MT2) has been working on a revision of the IEC 61400-2 standard on the safety, quality, integrity, and design requirements of small wind turbines (SWTs). During this effort, a study was conducted to evaluate the quality of the structural design criteria specified by the original -2 standard. Test measurements and aeroelastic predictions of loads were gathered for a collection of SWTs and evaluated against the simplified load models and load cases specified in the standard. The collection of turbines included variations in rotor size, blade number, rotor location (upwind / downwind), hub type (rigid / teetered), yaw mechanism (free / active), and others. In general, the comparison of load measurements and model predictions exemplified the inaccuracy of the design load levels in me original -2 standard and suggested methods of improvement. Revisions being made to the standard include enhanced load models, new load cases, and improved safety factors. This work should culminate in a revised IEC 61400-2 standard that has a higher degree of applicability and dependability than the original.",

author = "Jason Jonkman and {Van Dam}, Jeroen and Trudy Forsyth and Dean Davis",

note = "For preprint version, including full text online document, see NREL/CP-500-33004; 2003 ASME Wind Energy Symposium: 41st AIAA Aerospace Sciences Meeting and Exhibit ; Conference date: 06-01-2003 Through 09-01-2003",

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AU - Davis, Dean

N1 - For preprint version, including full text online document, see NREL/CP-500-33004

PY - 2003

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N2 - Since 1999, the International Electrotechnical Commission (EEC) Maintenance Team 2 (MT2) has been working on a revision of the IEC 61400-2 standard on the safety, quality, integrity, and design requirements of small wind turbines (SWTs). During this effort, a study was conducted to evaluate the quality of the structural design criteria specified by the original -2 standard. Test measurements and aeroelastic predictions of loads were gathered for a collection of SWTs and evaluated against the simplified load models and load cases specified in the standard. The collection of turbines included variations in rotor size, blade number, rotor location (upwind / downwind), hub type (rigid / teetered), yaw mechanism (free / active), and others. In general, the comparison of load measurements and model predictions exemplified the inaccuracy of the design load levels in me original -2 standard and suggested methods of improvement. Revisions being made to the standard include enhanced load models, new load cases, and improved safety factors. This work should culminate in a revised IEC 61400-2 standard that has a higher degree of applicability and dependability than the original.

AB - Since 1999, the International Electrotechnical Commission (EEC) Maintenance Team 2 (MT2) has been working on a revision of the IEC 61400-2 standard on the safety, quality, integrity, and design requirements of small wind turbines (SWTs). During this effort, a study was conducted to evaluate the quality of the structural design criteria specified by the original -2 standard. Test measurements and aeroelastic predictions of loads were gathered for a collection of SWTs and evaluated against the simplified load models and load cases specified in the standard. The collection of turbines included variations in rotor size, blade number, rotor location (upwind / downwind), hub type (rigid / teetered), yaw mechanism (free / active), and others. In general, the comparison of load measurements and model predictions exemplified the inaccuracy of the design load levels in me original -2 standard and suggested methods of improvement. Revisions being made to the standard include enhanced load models, new load cases, and improved safety factors. This work should culminate in a revised IEC 61400-2 standard that has a higher degree of applicability and dependability than the original.

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ER -

Investigation of the IEC Safety Standard for Small Wind Turbine Design Through Modeling and Testing

Abstract

Conference

Bibliographical note

NREL Publication Number

UN SDGs

Access to Document

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Cite this