The world's first 750 kV power transmission and transformation demonstration project, showcasing a wide range of independently developed technological achievements, has achieved an impressive 92% localization rate for its equipment. Recently, it was honored with the First Prize of the National Science and Technology Progress Award. This groundbreaking initiative represents a major leap in China's high-voltage power transmission capabilities.
The project involves the long-distance, large-capacity, and efficient transmission of electricity from the Gongboxia Hydropower Station in the Northwest Power Grid, as well as the construction of the 750 kV transmission line from Qingting Guanting to Lanzhou, Gansu Province. It has already filed for 6 invention patents, 17 utility model patents, and 2 design patents, with 53 patents successfully approved. In addition, 20 related technical standards have been established, further solidifying its role as a benchmark in the industry.
According to reports, all key technologies used in this project were developed independently, saving approximately $130 million in technology import costs. The planned investment for subsequent 750 kV projects has reached 63.9 billion yuan, with all equipment being domestically produced. This not only boosts the national power grid but also significantly benefits the domestic equipment manufacturing sector, bringing substantial economic and social advantages. The success of this project marks a milestone in China's push toward self-reliance and technological leadership in the energy sector.
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