全面介绍了宁东—山东±660 kV直流输电工程换流阀的结构特点和设计方法。从换流阀的基本构成出发，介绍了各个部分的组成、结构设计特点和功能作用。重点说明了换流阀阀塔和模块的结构设计，包括阀塔屏蔽结构、悬吊及支撑结构、框架设计、支撑及连接结构设计等。最后，介绍了换流阀的防火设计和抗震设计。

The structure features and design approach for the converter valve of Ningdong-Shandong ±660 kV HVDC transmission project are introduced in detail. Considering the basic structure of the converter valve, the composition, structure design feature and functions are illustrated. Especially the structure design for valve tower and valve module are described in detail, including design for the shield structure of valve tower, suspension and support structure, valve framework, connection structure and etc. Furthermore, the seismic design and fire protection design of the converter valve are introduced.