EN IEC 61400-3-1:2019/A11:2020

Wind energy generation systems - Part 3-1: Design requirements for fixed offshore wind turbines

2020-05-07: When amdt is published, add supersession link between PR=65214 and PR=21445

Windenergieanlagen - Teil 3-1: Auslegungsanforderungen für gegründete Offshore-Windenergieanlagen

Systèmes de génération d'énergie éolienne - Partie 3-1: Exigences de conception des éoliennes en mer fixes

Sistemi za proizvodnjo energije na veter - 3-1. del: Zahteve za načrtovanje fiksnih vetrnih turbin na morju - Dopolnilo A11

General Information

• Status: Published
• Publication Date: 26-Nov-2020
• ICS: 27.180 - Wind turbine energy systems
• Technical Committee: CLC/TC 88 - Wind turbines
• Drafting Committee: CLC/TC 88 - Wind turbines
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 27-Nov-2020
• Due Date: 22-Oct-2022
• Completion Date: 27-Nov-2020
• Ref Project: SIST EN IEC 61400-3-1:2019/A11:2021 - Wind energy generation systems - Part 3-1: Design requirements for fixed offshore wind turbines

Relations

• Amends: EN IEC 61400-3-1:2019 - Wind energy generation systems - Part 3-1: Design requirements for fixed offshore wind turbines
• Effective Date: 12-May-2020

Overview

EN IEC 61400-3-1:2019/A11:2020 is an important European standard developed by CLC/TC 88 focusing on design requirements for fixed offshore wind turbines. This amendment (A11) updates the original EN IEC 61400-3-1:2019 standard and provides essential modifications geared towards enhancing the safety, reliability, and performance of offshore wind energy generation systems. It supersedes EN 61400-3:2009 and all previous amendments, establishing the latest best practices and technical requirements for offshore wind turbine design.

This standard is part of the broader IEC 61400 series dedicated to wind turbine system standardization and aims to support the growing offshore wind energy sector by addressing specific engineering challenges related to fixed offshore installations. This includes structural integrity, environmental influences, and operational safety in marine environments.

Key Topics

The EN IEC 61400-3-1:2019/A11:2020 amendment covers critical design elements that offshore wind turbine projects must meet:

• Structural Design Requirements
  Ensures that fixed offshore turbines are designed to withstand environmental loads such as wind, waves, currents, and ice conditions typical in marine settings.

• Safety and Reliability Standards
  Addresses mechanical and electrical safety factors, including foundation design, fatigue assessment, and corrosion protection methodologies.

• Environmental and Site-Specific Conditions
  Provides guidelines to account for site-specific factors like seabed characteristics, water depth, and climate influences during design and installation.

• Supersession and Compliance
  Clarifies that this amendment supersedes previous versions (EN 61400-3:2009), aligning national and international standards to promote consistent regulatory compliance across European member countries.

• Implementation Deadlines
  Specifies national adoption timelines, ensuring a harmonized transition to the updated standard by May 2021, with withdrawal of conflicting standards by June 2023.

Applications

The EN IEC 61400-3-1:2019/A11:2020 standard is essential for various stakeholders involved in offshore wind energy development:

• Wind Turbine Manufacturers
  To design and certify fixed offshore turbines that meet European regulatory requirements.

• Project Developers and Engineers
  For planning, designing, and assessing offshore wind farms with a focus on stability and durability under harsh marine conditions.

• Certification Bodies and Regulators
  To enforce compliance with up-to-date engineering guidelines ensuring safety, environmental protection, and energy yield optimization.

• Consultants and Researchers
  To reference best practices and technical criteria when advancing offshore wind technologies or conducting site assessments.

Related Standards

EN IEC 61400-3-1:2019/A11:2020 is part of the IEC 61400 series and closely linked to other standards that cover different aspects of wind energy:

• EN IEC 61400-1 – General design requirements for wind turbines
• EN IEC 61400-3 – Earlier standard for offshore wind turbine design superseded by 3-1
• EN IEC 61400-12 – Power performance measurements of wind turbines
• EN IEC 61400-22 – Conformity testing and certification of wind turbines

Adhering to EN IEC 61400-3-1:2019/A11:2020 ensures seamless integration with these complementary standards, facilitating comprehensive compliance and fostering innovation in offshore wind energy engineering.

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Keywords: wind energy generation systems, fixed offshore wind turbines, offshore wind turbine design, EN IEC 61400-3-1 amendment, CLC wind turbine standards, offshore wind safety, wind turbine structural requirements, European wind turbine standards, offshore renewable energy standards

Standards Content (Sample)

SLOVENSKI STANDARD
01-januar-2021
Sistemi za proizvodnjo energije na veter - 3-1. del: Zahteve za načrtovanje fiksnih
vetrnih turbin na morju - Dopolnilo A11
Wind energy generation systems - Part 3-1: Design requirements for fixed offshore wind
turbines
Windenergieanlagen - Teil 3-1: Auslegungsanforderungen für gegründete Offshore-
Windenergieanlagen
Systèmes de génération d'énergie éolienne - Partie 3-1: Exigences de conception des
éoliennes en mer fixes
Ta slovenski standard je istoveten z: EN IEC 61400-3-1:2019/A11:2020
ICS:
27.180 Vetrne elektrarne Wind turbine energy systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 61400-3-1:2019/A11

NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2020
ICS 27.180
English Version
Wind energy generation systems - Part 3-1: Design
requirements for fixed offshore wind turbines
Systèmes de génération d'énergie éolienne - Partie 3-1: Windenergieanlagen - Teil 3-1: Auslegungsanforderungen
Exigences de conception des éoliennes en mer fixes für gegründete Offshore-Windenergieanlagen
This amendment A11 modifies the European Standard EN IEC 61400-3-1:2019; it was approved by CENELEC on 2020-06-03. CENELEC
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment the
status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This amendment exists in three official versions (English, French, German). A version in any other language made by translation under the
responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as
the
...