10千伏三相同轴高温交流超导电缆

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一束光照亮一座城 南方电网深圳供电局电力先行护航经济特区高质量发展
Sou Hu Cai Jing· 2025-08-27 02:08
Core Viewpoint - The article highlights the significant advancements and achievements of the Shenzhen Power Supply Bureau in enhancing the city's power infrastructure, ensuring reliable electricity supply, and promoting green energy initiatives as part of Shenzhen's development strategy. Group 1: Infrastructure Development - The 220 kV Shenzhen Energy Eastern Power Plant's second phase transmission line project was launched, injecting 1.34 million kilowatts of green electricity into Shenzhen's eastern region [1] - During the 14th Five-Year Plan, Shenzhen's maximum electricity load is projected to rise from 19.14 million kilowatts in 2020 to 24.01 million kilowatts by 2025, making it the fifth city in China to exceed 20 million kilowatts [6] - The total number of substations in Shenzhen's power grid has surpassed 370, supporting the city's status as a major urban center with significant electricity demand [11] Group 2: Economic Impact - In 2024, Shenzhen's electricity consumption is expected to support a GDP of 3.68 trillion yuan, with a load density of 11,800 kilowatts per square kilometer, the highest among major cities in China [6] - The maximum daily electricity supply in Shenzhen reached 492 million kilowatt-hours, exceeding the total electricity consumption from 1979 to 1982 [6] Group 3: Green Energy Initiatives - Shenzhen has achieved a 90% clean energy installation ratio, with significant contributions from the Eastern Power Plant and other renewable sources [15] - The city has launched a "green car charging green electricity" service, with 11 demonstration stations providing 100% green electricity [14] - The establishment of the first green electricity service center in Shenzhen has facilitated transactions exceeding 68 billion kilowatt-hours of green electricity [15] Group 4: Technological Innovation - The Shenzhen Power Supply Bureau has developed the "Electric Hong" system, a power IoT operating system that enhances real-time monitoring of electricity usage during major events [12] - The first domestic 10 kV three-phase coaxial high-temperature superconducting cable is operational, reducing transmission losses to one-fifth of conventional cables [12] - The implementation of a virtual power plant management center in Shenzhen allows for real-time load adjustments exceeding 1 million kilowatts, showcasing advanced energy management capabilities [16] Group 5: Service Enhancement - The Shenzhen Power Supply Bureau has introduced a "credit-based electricity service" to streamline the electricity application process for businesses, enhancing service efficiency [17] - The average power outage time in Shenzhen is projected to be only 7.5 minutes in 2024, outperforming major global cities [17] - The city has launched 27 initiatives to create a world-class modern electricity business environment, focusing on convenience, quality, and green energy [18]