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  • Dc insulated relay DIW-2025

    Dc insulated relay DIW-2025

    Feb , 03 2024
    DIW-2025 (Type A, B, C)) DC insulation monitoring relay is a relay that monitors the insulation of the DC bus, and sends a warning signal when the insulation of the bus to the ground is reduced to a certain value. Structure and working principle. The relay mainly consists of a balance resistor and a detecting integrated circuit. When the resistance of the DC bus on both sides to the ground is equa...
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  • Inverter common fault contents and solutions

    Inverter common fault contents and solutions

    May , 11 2024
    As an important component of the entire power plant, inverters can detect almost all power plant parameters for both DC components and grid connected equipment. If there is an abnormality, the health status of the supporting equipment in the power station can be checked through the feedback information from the inverter. Below are some common fault information and handling methods for photovoltaic...
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  • Methods for reducing ripple voltage

    Methods for reducing ripple voltage

    Jun , 06 2024
    Brief introduction Ripple voltage is a voltage fluctuation in the output of a DC power supply, referring to the AC component of the output voltage. Excessive ripple voltage can have an impact on the normal operation of electronic devices, so reducing ripple voltage is an important issue that needs to be addressed in the power supply design process. This article will introduce some commonly used me...
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  • Maximum power point tracking algorithm for photovoltaic power generation

    Maximum power point tracking algorithm for photovoltaic power generation

    Jun , 22 2024
    1. Introduction Photovoltaic power generation is a technology that uses solar energy to convert light energy into electricity. In the photovoltaic power generation system, in order to obtain the maximum power generation power, it is necessary to track the change of solar radiation intensity in real time, and adjust the working state of the photovoltaic module to keep near the maximum power point. ...
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  • What is the meaning of float charging for intelligent three‐stage charger in battery charger?

    What is the meaning of float charging for intelligent three‐stage charger in battery charger?

    Jul , 12 2024
    Float charging: Keep constant voltage charging, the charging current continues to decrease, and the battery is charged with maintenance type. When the charging current decreases to the set value or the charging time reaches the set value, the red light of sufficiency will be on, and the time will be about 2H, charging 10% of the power. Ordinary chargers are old‐fashioned chargers, charging, whethe...
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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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  • Classification of DC Power Supplies

    Classification of DC Power Supplies

    Mar , 01 2025
    DC regulated power supply classification methods, according to the type of output power supply DC regulated power supply and AC regulated power supply; according to the connection between the regulated circuit and the load DC regulated power supply series regulated power supply and parallel regulated power supply; according to the operating state of the adjustment tube is divided into linear regul...
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  • Difference between kVA and kw

    Difference between kVA and kw

    Mar , 15 2025
    kVA is the unit of apparent power and kw is the unit of active power. In alternating current, apparent power does not indicate the actual power consumed in the circuit, but rather the maximum power that can be supplied or the maximum active power consumed in an alternating current circuit. In the case of active power, it is the power needed to enable the equipment to work properly, such as the ele...
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