What are the innovations and development trends in medium and high frequency energy-saving power supply technology exploration?

Medium and high frequency energy-saving power supply technology is an important research direction in the field of power electronics today. With the increasing prominence of the energy problem and the strengthening of environmental protection awareness, the innovation and development trend of energy-saving power supply technology is also increasingly concerned. In this paper, we will explore the medium and high frequency energy-saving power supply technology from the direction of innovation and development trend.

I. Innovation direction

1. High-frequency switching circuit technology

Traditional switching power supplies generally use low-frequency switching circuits, due to the low switching frequency, the system efficiency is not high, and the volume is huge. In order to improve the efficiency of the system, researchers have begun to focus on high-frequency switching circuit technology. High-frequency switching circuits are characterised by a high switching frequency, which can significantly reduce the size of the switching device and reduce switching losses.

2. Wide-band semiconductor devices

Wide-band semiconductor devices have the characteristics of high voltage capability, fast frequency response, low loss, etc., which are very suitable for high-frequency switching circuits. Currently, the research of wide-band semiconductor devices has become an innovative direction of energy-saving power supply technology in the medium and high frequency, especially the application of wide-band semiconductor materials such as silicon carbide and gallium nitride.

3. Intelligent control technology

Intelligent control technology can improve the control accuracy of the power supply system and reduce energy loss. Currently, researchers are developing intelligent control algorithms and chips to achieve optimal regulation and energy management of power systems.

4. Multi-level conversion technology

The traditional power electronic converter is made of one or more switching devices and energy devices to convert the input power through ON/OFF control. Multi-level conversion technology, on the other hand, can split the input power into multiple voltages of different levels, thus improving the conversion efficiency of the system.

II. Development trends

1. Improvement of energy conversion efficiency

One of the development trends of medium and high frequency energy-saving power supply technology is to improve the energy conversion efficiency. High efficiency is the core requirement of energy-saving power supply technology, researchers will continue to improve the efficiency of switching devices, reduce losses, and optimise the control strategy of the power supply system to achieve higher energy conversion efficiency.

2. Reduce system cost and volume

With the popularity of electronic products and the expansion of application fields, the second development trend of medium and high frequency energy-saving power supply technology is to reduce the system cost and volume. Researchers will continue to improve the design and manufacturing process of switching power supplies, reduce the size of the power supply system, and lower the cost of related components to meet market demand.

3. Improving System Reliability and Stability

The reliability and stability of power electronic systems is an important direction in the development of medium- and high-frequency energy-saving power supply technology. Researchers will further optimise the design and control algorithms of the power system to improve the stability and anti-interference capability of the system to cope with the impact of factors such as power grid fluctuations and electromagnetic interference.

4. Promoting the combination of renewable energy and energy-saving power supply technologies

With the rapid development and application of renewable energy, combining renewable energy with energy-saving power supply technology is a future development trend. Researchers will be committed to exploring the synergy between renewable energy and energy-saving power supply to achieve efficient use of electric energy and sustainable development.

To summarise, innovations and development trends in medium- and high-frequency energy-efficient power supply technologies include research on high-frequency switching circuit technologies, wide-bandwidth semiconductor devices, intelligent control technologies and multilevel conversion technologies in order to increase energy conversion efficiency, reduce system cost and size, improve system reliability and stability, and promote the integration of renewable energy with energy-efficient power supply technologies. These innovations and development trends will bring broader prospects for the application and promotion of energy-saving power supply technologies.