IEC 61400-1:2019 pdf free download

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IEC 61400-1:2019,Wind energy generation systems – Part 1: Design requirements.IEC 61400-1:2019 pdf free download here.
IEC 61400-1:2019 specifies essential design requirements to ensure the structural integrity of wind turbines.
The purpose of IEC 61400-1:2019 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.
ISO 76. Rolling bearings — Static load ratings;
ISO 281, Rolling bearings — Dynamic load ratings and rating life;
ISO 2394, General principles on reliability for structures;
ISO 2533, Standard Atmosphere;
ISO 4354, Wind actions on structures;
ISO 6336-2, Calculation of load capacity of spur and helical gears — Part 2: Calculation of surface durability (pitting);
ISO 6336-3:2006, Calculation of load capacity of spur and helical gears — Part 3: Calculation of tooth bending strength;
ISO 12494:2001, Atmospheric icing on structures;
ISO 13850, Safety of machinery — Emergency stop function — Principles for design;
8 Control system
8.1 General
Wind turbine operation shall be governed by a control system that meets the requirements of Clause 8.
The scope of Clause 8 is limited to ensuring that the control system provides an appropriate level of protection against structural failure of the turbine main components.19
For special cold climate requirements, see 14.6.
8.2 Control functions
The control functions of a wind turbine shall control the operation by active or passive means and keep the operating parameters within the envelope assumed in the structural design.

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