IEC 61400-1:2019
Collections
International IEC standards
Publication date
February 2019
Number of pages
168 p.
Reference
IEC 61400-1:2019
Print number
4
IEC 61400-1:2019
February 2019
International standard
Current
Wind energy generation systems - Part 1: Design requirements
IEC 61400-1:2019 specifies essential design requirements to ensure the structural integrity of wind turbines. Its purpose is to provide an appropriate level of protection against damage from all hazards during the planned lifetime. This document is concerned with all subsystems of wind turbines such as control and protection functions, internal electrical systems, mechanical systems and support structures. This document applies to wind turbines of all sizes. For small wind turbines, IEC 61400-2 can be applied. IEC 61400-3-1 provides additional requirements to offshore wind turbine installations. This document is intended to be used together with the appropriate IEC and ISO standards mentioned in Clause 2. This edition includes the following significant technical changes with respect to the previous edition:a) general update and clarification of references and requirements;b) extension of wind turbine classes to allow for tropical cyclones and high turbulence;c) Weibull distribution of turbulence standard deviation for normal turbulence model (NTM);d) updated design load cases (DLCs), in particular DLC 2.1 and 2.2;e) revision of partial safety factor specificationsThe contents of the corrigendum 1 (2019-09) and Interpretation sheet 1 (2025-02) have been included in this copy.
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Sumary
Wind energy generation systems - Part 1: Design requirements
IEC 61400-1:2019 specifies essential design requirements to ensure the structural integrity of wind turbines. Its purpose is to provide an appropriate level of protection against damage from all hazards during the planned lifetime. This document is concerned with all subsystems of wind turbines such as control and protection functions, internal electrical systems, mechanical systems and support structures. This document applies to wind turbines of all sizes. For small wind turbines, IEC 61400-2 can be applied. IEC 61400-3-1 provides additional requirements to offshore wind turbine installations. This document is intended to be used together with the appropriate IEC and ISO standards mentioned in Clause 2. This edition includes the following significant technical changes with respect to the previous edition:
a) general update and clarification of references and requirements;
b) extension of wind turbine classes to allow for tropical cyclones and high turbulence;
c) Weibull distribution of turbulence standard deviation for normal turbulence model (NTM);
d) updated design load cases (DLCs), in particular DLC 2.1 and 2.2;
e) revision of partial safety factor specifications
The contents of the corrigendum 1 (2019-09) and Interpretation sheet 1 (2025-02) have been included in this copy.
IEC 61400-1:2019 specifies essential design requirements to ensure the structural integrity of wind turbines. Its purpose is to provide an appropriate level of protection against damage from all hazards during the planned lifetime. This document is concerned with all subsystems of wind turbines such as control and protection functions, internal electrical systems, mechanical systems and support structures. This document applies to wind turbines of all sizes. For small wind turbines, IEC 61400-2 can be applied. IEC 61400-3-1 provides additional requirements to offshore wind turbine installations. This document is intended to be used together with the appropriate IEC and ISO standards mentioned in Clause 2. This edition includes the following significant technical changes with respect to the previous edition:
a) general update and clarification of references and requirements;
b) extension of wind turbine classes to allow for tropical cyclones and high turbulence;
c) Weibull distribution of turbulence standard deviation for normal turbulence model (NTM);
d) updated design load cases (DLCs), in particular DLC 2.1 and 2.2;
e) revision of partial safety factor specifications
The contents of the corrigendum 1 (2019-09) and Interpretation sheet 1 (2025-02) have been included in this copy.
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Replaced standards
(2)
IEC 61400-1:2005/AMD1:2010
October 2010
International standard
Cancelled
Amendment 1 - Wind turbines - Part 1: Design requirements
IEC 61400-1:2005
September 2005
International standard
Cancelled
Wind turbines - Part 1: Design requirements
Specifies essential design requirements to ensure the engineering integrity of wind turbines. Provides an appropriate level of protection against damage from all hazards during the planned lifetime. Is concerned with all subsystems of wind turbines such as control and protection mechanisms, internal electrical systems, mechanical systems and support structures. Applies to wind turbines of all sizes. See IEC 61400-2 for small wind turbines. This publication is of high relevance for Smart Grid.
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