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Shenzhen KINRI Energy Technology Co.,Ltd.

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· The main application areas of modular power supplies

Modular power supply is a power supply that can be directly installed on printed circuit boards and can be used in power supply applications for digital or analog loads. Due to its high reliability, small size, high power density, and high conversion efficiency, power system design has become increasingly simple and widely used. So, what are the application areas that require the use of modular power supplies?48V Military Power Module1. Industrial sectorThe industrial field includes industrial electrical, industrial automation control, and other aspects. Industry 4.0 applications require real-time control, software, and configurable I/O, all of which require power supply. The industrial module power supply needs to meet the requirements of small size, high efficiency, low EMI, and ensure the high reliability and stable operation of industrial equipment.2. Instrument and Meter IndustryIndustrial instruments refer to flow measuring instruments such as gas and liquid turbine flow meters,...
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05-21
2024
· Detailed explanation of active and passive electronic components

Electronic components are the foundation of electronic technology, and both electronic devices and products require the use of various types of electronic components. According to whether it can control current, it can be divided into two categories: active devices and passive devices. This article will focus on introducing the types, characteristics, and applications of these two types of electronic components.Active and passive electronic componentsActive componentsActive devices are devices in electronic components that can control current. They have functions such as amplification and switching, and are widely used in various electronic devices. Common active devices include transistors, field-effect transistors, diodes, transistors, integrated circuits, etc. Let's take a look at these common active devices separately.1. TransistorTransistors are commonly used amplification devices that have the function of amplifying current and voltage. It consists of a base/emitter, collector/d...
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05-21
2024
· Differences and characteristics between rail power supplies and regular power supplies

In the electronic world, power plays a crucial role, just like the heart providing a continuous source of power for devices. Among them, the rail power supply and the ordinary power supply have their own unique characteristics. Today, let's delve deeper into the differences between them.120W Din Rail Switching Power SupplyFirst, let's take a look at the installation method, which is a significant difference between them! The rail power supply is like a flexible "little elf" that can be easily installed on standard DIN rails. It is not only convenient and fast to install, but also saves a lot of space, making it particularly suitable for industrial automation and other fields. And ordinary power supplies are usually fixed to the chassis or other specific positions through screws or other means.Speaking of application scenarios, rail power supplies are a frequent customer in industrial automation, control cabinets, and other environments, and can adapt well to harsh industrial condition...
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05-21
2024
· Efficiency and influencing factors of switch mode power supply

The efficiency of switch mode power supplies is higher than that of traditional linear power supplies, usually reaching over 85%.The Efficiency Calculation Method of Switching Power SupplyThe efficiency of a switching power supply usually refers to the ratio of its output power to the input power, that is:Efficiency=output power ÷ input power x 100%Among them, the output power is the power supplied to the load, which is equal to the output voltage multiplied by the output current; The input power is the electrical power at the input end of a switching power supply, which is equal to the input voltage multiplied by the input current. Due to the high efficiency of switch mode power supplies, they can generally reach over 85%, while traditional linear power supplies can only reach between 50% and 70%.400W Switching Power SupplyFactors affecting the efficiency of switching power supplies1. Switching tube loss: Switching power supplies use switching tubes as key components, and the...
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05-20
2024
· What are the reasons that cause the power module to burn out?

The main reasons for power module burnout are as follows:1. For example, the AC/DC power module inputs an AC voltage that is too high or too low;2. Damaged switch voltage regulator;3. Damaged rectifier bridge;4. Soft start circuit failure;5. Switching tube integrated circuit board anti peak absorption circuit failure;6. Positive feedback is too strong;7. Timed capacitor failure and leakage;8. Decoupling capacitor failure in voltage stabilizing circuit;9. Negative feedback open-loop of voltage stabilizing circuit;10. The emission limit current resistance of the switching tube is too small;11. Poor performance or low power of switch tubes;12. Damaged rectifier diode;13. Input output reverse connection;14. Electrolytic capacitor explodes.The working process of module power supply is very special, and the working sequence and voltage increase are divided into three stages. The first stage is to rectify AC380V to DC400V. The second stage is to detect DC400V and continue to charge the capac...
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05-20
2024

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