Recently, China unveiled its first prototype of a high-temperature superconducting high-voltage power supply control device at the University of Electronic Science and Technology. This breakthrough marks a significant step forward in the application of high-temperature superconducting technology. The successful testing of the prototype suggests that the technology is now ready for real-world product development. The project was led by Professor Jin Jianxun and Associate Professor Zhang Changming from the Institute of Applied Superconducting and Electrical Technology, within the School of Automation Engineering.
The innovation introduces a new 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 specialized high Q resonant circuit. This circuit amplifies a low-voltage source into a powerful high-voltage output. Theoretically, this system could generate an infinite amount of pressure, though practical limits are determined by the insulation capabilities of the components used. Unlike traditional methods, this approach cannot be achieved with conventional wiring techniques.
Once implemented, this technology simplifies the process of generating high voltage, reduces operational costs, and offers greater flexibility. 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 traditional power sources are unavailable. Additionally, it has potential applications in magnet charging systems and as a specialized test platform for studying high-temperature superconducting coils and AC losses across different frequencies.
This research paves the way for broader adoption of high-temperature superconducting technology in practical devices. These materials are highly promising due to their efficiency, energy-saving characteristics, and versatility. Their integration into high-voltage equipment could lead to the development of advanced, specialized systems that improve performance while reducing energy consumption. As this technology continues to evolve, it holds great potential for transforming various industries, from power generation to scientific research.
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