明山（甘塘）750千伏变电站新建工程投运

Core Viewpoint - The Ningxia Mingshan (Gantang) 750 kV substation has officially commenced operation, enhancing the "Ning Electric into Hunan" project by serving as a key power hub [1] Group 1: Project Overview - The Mingshan (Gantang) 750 kV transmission and transformation project is a core supporting project of the "Ning Electric into Hunan" initiative, gathering green electricity generated in the Zhongwei area and transmitting it to the Ningzhong converter station [1] - The project began construction on August 26, 2024, with a static investment of approximately 912 million yuan [1] - The substation includes three sets of 750 kV main transformers, two 750 kV outgoing lines, and six 330 kV outgoing lines [1] Group 2: Technological Innovations - The project employs innovative technologies such as hybrid gas-insulated metal-enclosed switchgear (HGIS) to enhance grid reliability and withstand harsh environmental conditions like sandstorms and high temperatures [1] - Smart operation and maintenance methods, including intelligent inspection systems and drone patrols, have been introduced to reduce manual inspection time and improve efficiency [1] - The construction site utilizes smart construction management and is the first in the Ningxia infrastructure system to implement phased array radar technology for comprehensive wireless network coverage [1]