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  • A brief introduction to EMI

    A brief introduction to EMI

    Jun , 14 2024
    What is an active power filter Active Power Filter (APF) is a new type of power electronic device used to dynamically suppress harmonics and compensate reactive power, which can compensate for harmonics and reactive power changes in magnitude and frequency. The reason why the active filter is called active, as the name suggests, the device needs to provide a power supply (to compensate for the har...
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  • Electromagnetic interference

    Electromagnetic interference

    Mar , 01 2025
    I. What is electromagnetic interference: 1. Common sources of interference in power systems may include high-voltage transmission lines, switching operations, and lightning. For example, when a switch is disconnected or closed, it may produce transient voltage or current changes that can cause electromagnetic interference. There are also devices like transformers and motors that generate elec...
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  • Radio Frequency Interference Filters (RFI)

    Radio Frequency Interference Filters (RFI)

    Apr , 03 2025
    Chapter 1: Application Scenarios of RFI Filters in Industrial Chargers RFI Filter is a key component for solving high-frequency electromagnetic interference (EMI), which is especially indispensable in high power and high frequency equipment such as industrial chargers. Industrial chargers are often faced with complex electromagnetic environments: fast switching of switching power supplies, high-cu...
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a total of1 pages

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