Recently, China's first prototype of a high-temperature superconducting high-voltage power supply control device was unveiled at the University of Electronic Science and Technology. The successful debugging of this prototype marks a significant milestone, suggesting that the practical application of high-temperature superconducting technology is now within reach. Developed by Professor Jin Jianxun and Associate Professor Zhang Changming from the Institute of Applied Superconducting and Electrical Technology at the School of Automation Engineering, the project represents a breakthrough in advanced electrical engineering.
This invention introduces a novel method for generating high voltage. By leveraging the unique properties of high-temperature superconductors—such as zero electrical resistance and high critical current—it creates a special high Q resonant circuit. This circuit amplifies a low-voltage source into a powerful high-voltage output. Theoretically, the system could generate an infinitely high voltage, though in practice, it is limited by the breakdown voltage of the components used. Unlike traditional methods that rely on conventional wiring, this technique opens up new possibilities in high-voltage generation.
The introduction of high-temperature superconducting technology simplifies the process of producing high pressure and significantly reduces operational costs. The device can be used for partial discharge testing of insulation materials in electrical equipment, or as a high-voltage detection tool for assessing the insulation of electronic components. It also serves as a portable solution for field inspections where conventional power sources are unavailable. Furthermore, it has potential applications in magnet charging systems and as a specialized test instrument for studying high-temperature superconducting coils and AC losses at different frequencies.
This research not only advances the development of practical high-temperature superconducting devices but also paves the way for future innovations. High-temperature superconducting materials are highly versatile and have the potential to revolutionize various industries. Their use in high-voltage equipment promises improved efficiency, energy savings, and enhanced performance, making them a key component in next-generation electrical systems.
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