PETROCHINA(SH:601857) Zhong Guo Xin Wen Wang·2025-07-04 03:01Core Viewpoint - The South Five 110 kV Substation Distributed Wind Power Project in Daqing City marks a significant advancement in wind energy infrastructure, featuring the largest single-unit capacity and height in China, with a total installed capacity of 31.25 MW [1][2]. Group 1: Project Overview - The project utilizes five wind turbines with a blade diameter of 204 meters, a hub height of 160 meters, and a single unit capacity of 6.25 MW, resulting in a total installed capacity of 31.25 MW [2]. - The construction began in June 2024, focusing on innovative construction methods and a rapid response mechanism for monitoring, early warning, coordination, and feedback to ensure safety and quality [2]. Group 2: Structural Innovations - This project is the first in Daqing Oilfield to adopt a steel-concrete tower structure, which combines steel tower sections with 45 prefabricated concrete segments, enhancing overall rigidity and structural stability while reducing operational costs [2]. - The construction process involves complex transportation and installation requirements, utilizing a 1250-ton crawler crane for the first time in Daqing Oilfield [2]. Group 3: Progress and Milestones - As of now, the installation of the tower sections for all five wind turbines has been completed, with one turbine currently undergoing the installation of the nacelle and blades, achieving an overall construction progress of 60% [2].