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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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  • Differences in communication serial ports

    Differences in communication serial ports

    Jun , 22 2024
    RS-232 and RS-485 are two common serial communication standards, with the following main differences between them: Different transmission methods: RS-232 adopts a single end transmission method, and its data signal is relative to the signal ground, usually used for point-to-point communication; RS-485 adopts differential transmission mode, allowing multiple transceivers to be connected on the bus,...
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  • Factors affecting photovoltaic inverters

    Factors affecting photovoltaic inverters

    Jun , 22 2024
    1. The impact of altitude on photovoltaic inverters Altitude has a certain impact on the performance and reliability of photovoltaic inverters. As the altitude increases, the air pressure decreases and the air density decreases, which will lead to a decrease in the heat dissipation capacity of the photovoltaic inverter. In addition, the climatic conditions at high altitudes, such as temperature ch...
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  • The characteristics and principle analysis of internal resistance of lithium battery

    The characteristics and principle analysis of internal resistance of lithium battery

    Jul , 12 2024
    The internal resistance of the battery is one of the most important characteristic parameters of the battery, which is an important parameter to characterize the battery life and the operating state of the battery, and an important symbol to measure the difficulty of the transmission of electrons and ions in the electrode. The internal resistance also reflects the health of the battery. The intern...
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  • Lithium battery life The reason for the slow charging speed

    Lithium battery life The reason for the slow charging speed

    Dec , 13 2024
    1. Electrical problems: Insufficient power of the charger is one of the common reasons for slow charging speed. If the output current of the charger used is small and cannot meet the maximum charging current requirements of the battery, the charging speed will be limited. For example, a lithium battery mobile phone that supports fast charging, the original charger output current is 3A, and the cha...
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