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  • Calculation of the heat generation of lithium batteries

    Calculation of the heat generation of lithium batteries

    May , 24 2025
    The calculation of heat generation of lithium batteries is an important part of battery thermal management, involving multiple heat sources. The following are the detailed calculation methods and steps: 1. Main source of heat The heat generation of lithium batteries mainly comes from the following parts: Joule heat (Qj) : The heat generated when current passes through the internal resistance of a ...
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  • An Overview of HV Substation Equipment — with Integration of High-Current DC Charging Systems

    An Overview of HV Substation Equipment — with Integration of High-Current DC Charging Systems

    May , 24 2025
    Each operating device in a high-voltage substation serves a vital role. Their shapes and sizes vary depending on their location and purpose, but together they ensure safe, stable, and efficient operation of the entire installation. 1. Switchgear: The Functional Core of a Substation Switchgear consists of various components like circuit breakers, disconnectors, earthing switches, and instrument tra...
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  • How electrolytic capacitor work for industrial battery charger

    How electrolytic capacitor work for industrial battery charger

    May , 16 2025
    I. What is electrolytic capacitor: 1. Electrolytic capacitor, as the “energy storage heart” of charger power module, bears the key tasks of filtering, voltage stabilization and transient response. Its large-capacity characteristics (up to tens of thousands of μF) can effectively absorb the pulsating current after rectification, reduce output ripple, and ensure that the charging process is stable a...
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  • Battery Aging Test Methods

    Battery Aging Test Methods

    May , 10 2025
    Cyclic test Charge-Discharge Cycling involves repeatedly charging and discharging the battery to simulate actual usage conditions. This is helpful for evaluating capacity retention and overall performance within a specific number of cycles. The depth of discharge (DoD) varies during the cycling process to simulate different usage scenarios. Temperature test High-temperature aging exposes batteries...
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  • Provide the reliable solutions for critical equipments

    Provide the reliable solutions for critical equipments

    Apr , 25 2025
    Outdoor cabinets are unsung heroes in the telecommunications industry, silently protecting critical equipment from adverse weather conditions and ensuring uninterrupted service. From placing sensitive electronic devices in remote cellular base stations to protecting network infrastructure in harsh outdoor environments, these cabinets play a crucial role in maintaining the integrity and reliability...
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  • Reasons for PID in photovoltaic modules

    Reasons for PID in photovoltaic modules

    Apr , 25 2025
    1. Definition and Principle    - PID refers to the phenomenon of degradation of module performance in a PV module due to the presence of a potential difference between the cell and the bezel in a humid environment. When the potential difference inside the module is large enough, it causes ions in the encapsulation material to migrate, for example, sodium ions migrate from the glass ...
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  • How to Extend UPS Battery Lifespan: 3 Essential Maintenance Tips

    How to Extend UPS Battery Lifespan: 3 Essential Maintenance Tips

    Apr , 19 2025
    Can we change the UPS backup battery at home? Batteries are crucial for the integrity of UPS systems. Most modern UPS systems regularly perform and monitor battery short circuit tests, but maintaining these systems to ensure they operate correctly when needed is also crucial. Three tips for extending the lifespan of UPS backup batteries Replacing the internal battery is not a big deal, we can easi...
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  • How to maintain the consistency of lithium batteries

    How to maintain the consistency of lithium batteries

    Apr , 19 2025
    1. Balance control of the Battery Management System (BMS) Passive equalization: Through resistor discharge, the energy of high-charge cells is dissipated in the form of heat, making the voltages of each cell tend to be consistent. It is suitable for cost-sensitive scenarios, but the efficiency is relatively low. Active balancing: It transfers the energy of high-charge cells to low-charge cells thr...
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  • The advantages of lead-acid tubular plates

    The advantages of lead-acid tubular plates

    Apr , 19 2025
    1、To prevent the active substance from falling off: Tubular plate is in the positive plate on the conductive skeleton set with woven fibre tube, the tube into the active substance. This structure can effectively bind the active substance in the tube, even in the battery charging and discharging process, the plate is subjected to the stress of chemical reaction, the active substance is not easy to ...
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