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Introduction and Applications of High-Frequency Power Supplies
High-frequency power supplies can be categorized into several protection types: program protection, overcurrent protection, overvoltage protection, undervoltage protection, and overheat protection. High-power switching devices used in high-frequency switching high-frequency DC power modules are expensive, and their control circuits are also complex.
02
2021
What are the working principle and characteristics of high-frequency switching power supplies?
The rectifier module of the high-frequency switching power supply has an automatic current sharing function in parallel operation mode. It also has overcurrent, overvoltage, and instantaneous short-circuit protection functions, as well as safe and reliable lightning protection measures, which can effectively withstand the effects of output short circuits.
01
2021
Applications and characteristics of high-frequency switching power supplies
High-frequency switching power supplies use switching tubes to conduct and terminate at high speeds according to the circuit operation, converting DC electricity into high-frequency AC electricity and supplying it to a transformer for conversion, thereby generating one or more required voltage sets. In terms of high output power, selecting a high-frequency switching power supply instead of a traditional rectifier power supply is an effective method to reduce losses and increase power. By using professional output power electronic devices and high-frequency inversion technology, the limitations of the output power of current power devices and magnetic materials can be overcome, giving full play to the current output power output level of the switching tube and improving the output level of the single-unit output power.
01
2021
How do high-frequency power supplies improve component performance
The development of switching regulated high-frequency power supplies and power components are complementary. The use of high-power, high-speed switching devices and low-loss magnetic materials can promote the development of switching regulated power supplies.
01
2021
What are the applications of high-frequency power supplies?
High-frequency power supplies, also known as tube frequency converters, are key equipment for high-frequency induction furnaces and are widely used in various industries for the hot processing, heat treatment, hot assembly, welding, and smelting of metal materials. It can not only heat the entire workpiece but also selectively heat a part of the workpiece; it can not only achieve deep penetration heating of the workpiece but also only perform central heating on its outer surface and surface layer; not only can metal materials be heated directly, but non-metallic materials can also be heated indirectly, and so on.
12
2020
Development Trends of High-Frequency Switching Power Supplies
Development Trends of High-Frequency Switching Power Supplies
12
2020
Challenges facing the development of high-frequency switching power supplies
In recent years, power management and communication functions developed based on digital technology have improved product performance. The network interface of digital power supplies makes online maintenance, self-testing, and upgrades easy, greatly improving product reliability and lifespan. Digital high-frequency switching power supplies can perform human-machine interaction operations through interface circuits, external keyboards, and LCD displays. They can communicate with the host computer through serial interfaces such as RS485, RS232, and CAN bus to achieve remote monitoring and control.
11
2020
Current Status of High-Frequency Switching Power Supply
High-frequency switching power supplies, also known as switching rectifiers, are upgraded replacements for traditional rectifiers. They are not only convenient to use, small in size, and highly efficient, but also operate very stably. They are widely used in surface treatment industries such as electroplating, electrolysis, and oxidation, and have received positive feedback from both new and old customers.
11
2020
For high-frequency switching power supplies, during stormy seasons, checks on the lightning protection plating of the power supply module should be increased to ensure that the lightning protection unit is operating normally.
10
2020
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