IEC 61400的本部分规定了确保风力涡轮机叶片工程完整性的要求，以及在整个设计寿命期内的适当运行安全水平。它包括以下要求: •气动和结构设计，•材料选择、评估和测试，•制造（包括相关质量管理），•叶片的运输、安装、操作和维护。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This part of IEC 61400 specifies requirements to ensure the engineering integrity of wind turbine blades as well as an appropriate level of operational safety throughout the design lifetime. It includes requirements for: • aerodynamic and structural design,• material selection, evaluation and testing,• manufacture (including associated quality management),• transportation, installation, operation and maintenance of the blades.All current amendments available at time of purchase are included with the purchase of this document.