On the afternoon of March 31, China's first independently developed high temperature superconducting electric levitation all-element test system completed its first levitation operation in Changchun, marking an important technological breakthrough in the field of high temperature superconducting electric levitation in China. The test vehicle in front of us is passing through the acceleration zone, entering the suspension zone after 68 meters, and being accelerated to a speed of 50 kilometers per hour; After entering the suspension zone, the test vehicle successfully enters the electric suspension phase. This levitation operation fully verified the key core technologies of the superconducting electric levitation transportation system, such as superconducting magnet, linear synchronous traction, induction power supply and low-temperature refrigeration, marking an important technological breakthrough in the field of high-temperature superconducting electric levitation in China, and laying a foundation for promoting the engineering application of superconducting electric levitation transportation system. High temperature superconducting electric levitation transportation system is composed of vehicles, tracks, traction power supply, operational communications, etc., and is suitable for high-speed, ultra-high-speed, and low vacuum pipeline applications. In the future, the speed can reach more than 600 kilometers per hour, with advantages such as high-speed, safety, green, intelligent, comfortable, and strong environmental adaptability. (Liao Xinshe)
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