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Shenzhen KINRI Energy Technology Co.,Ltd.

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· Overview and application precautions of three-phase AC power supply

Three phase AC power supply is a common form of power supply, widely used in industrial, commercial, and residential electricity fields. This article will provide a detailed introduction and analysis of the basic concepts, characteristics, application areas, and usage precautions of three-phase AC power supplies.1. Basic concepts of three-phase AC power supplyA three-phase AC power supply refers to a power system composed of three sine wave AC power supplies, with an equal phase difference between them, usually 120 degrees. The main parameters of a three-phase AC power supply include voltage, frequency, and phase difference. Among them, voltage refers to the magnitude of the output voltage of the power supply, frequency refers to the number of periodic changes in the shape of the AC wave output by the power supply, and phase difference refers to the time difference between the three power supply waveforms.2. Characteristics of three-phase AC power supplyEfficient and stable: The outpu...
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04-02
2024
· Why DC electronic loads can accurately test DC power supplies

In the field of electronic engineering, DC power supply testing is a crucial step in ensuring stable and reliable performance of power equipment. Among them, DC electronic loads, as an important testing equipment, are widely used in the field of power testing due to their high precision, adjustability, and flexibility. So, why can DC electronic loads accurately test DC power supplies? This article will provide a detailed analysis from the following aspects.The basic principle of DC electronic loadsDC electronic load is an electronic device that simulates the behavior of real loads, simulating various resistive, inductive, or capacitive loads by precisely controlling the working state of internal power components (such as resistors, inductors, etc.). It can adjust the resistance, current, voltage and other parameters of the load in real-time according to testing requirements to achieve comprehensive testing of the DC power supply.The necessity of DC power supply testingAs the core powe...
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04-02
2024
· Common methods to avoid interference sources in high-power DC power supplies

The stability and reliability of high-power DC power supplies are crucial in electronic devices and systems. However, interference sources that may exist in the power supply, such as electromagnetic interference (EMI) and radio frequency interference (RFI), can cause damage to the circuit, reduce performance, and even lead to system failures. To avoid these issues, we need to take a series of effective measures to eliminate interference sources. The following are several common methods:1. Good groundingGrounding is an important means of eliminating electrical interference. Proper grounding not only provides the required reference potential for the device, but also provides a low impedance path for the charge to flow back to the power source. In the design of high-power DC power supplies, it is usually necessary to connect the metal casing of the equipment, the grounding wire of the circuit board, and the grounding wire of the power cord to the same grounding point to ensure the ground...
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04-02
2024
· Do you know how to choose the current and voltage of LED power supply?

In the field of LED lighting, the selection of power supply plays a crucial role in the performance and stability of the entire system. The selection of current and voltage is an important part of it. How to correctly choose the current and voltage of LED power supply is a concern for many people. Here, we will delve deeper into this topic and use practical examples to help everyone better understand.1. Understand the characteristics of LEDDifferent LED devices have specific current and voltage requirements.Example: For example, common white light LEDs typically require a voltage of around 3V and a current of several tens of milliamps.2. Determine current and voltage based on actual needsWhen brighter light is needed, an LED power supply with a higher current and appropriate voltage can be selected.Example: An indoor lighting system can choose a power supply that provides sufficient brightness.3. Consider power factors and stabilityThe higher the power factor, the higher the efficienc...
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04-02
2024
· Can gallium nitride chargers replace traditional laptop power adapters?

With the rapid development of technology, gallium nitride chargers, as a new type of charging device, have gradually entered the public's vision. Its emergence seems to provide a new choice for users who pursue efficient and portable charging experiences. However, for laptop users, can gallium nitride chargers completely replace traditional power adapters? This has become a concern for many people.Firstly, let's understand the characteristics of gallium nitride chargers. Gallium nitride chargers are known for their compact size and high charging efficiency. Compared to traditional power adapters, it has a smaller size and is easy to carry. For users who often need to work or travel outside, this is undoubtedly a huge advantage. In addition, gallium nitride chargers also support multiple fast charging protocols, as long as the device supports the corresponding protocol, it can achieve fast charging.However, despite its many advantages, gallium nitride chargers still cannot completely r...
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04-01
2024

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