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  • DC Uninterruptible Power Systems: The Driving Force Behind Safe and Reliable Power System Operation

    DC Uninterruptible Power Systems: The Driving Force Behind Safe and Reliable Power System Operation

    Jan , 29 2026
    In modern power grids, substations and power plants are not only key nodes for electricity transmission—they are the nerve centers that ensure the stable and secure operation of the entire power system.   The reliable operation of critical protection, control, and operation equipment within these facilities depends on a power source that is more stable, more independent, and more resili...
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  • Factors affecting the self-discharge rate of lithium iron phosphate batteries

    Factors affecting the self-discharge rate of lithium iron phosphate batteries

    Feb , 05 2026
    Introduction The self-discharge rate of LiFePO₄ batteries (Lithium Iron Phosphate batteries) is the result of a combination of intrinsic material properties, manufacturing processes, and operating conditions.Although LiFePO₄ chemistry is well known for its low self-discharge and high stability, abnormal capacity loss during storage or idle periods may still occur if key factors are not properly co...
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  • Why Do Telecom Base Stations Use –48V DC Power?

    Why Do Telecom Base Stations Use –48V DC Power?

    Feb , 06 2026
    In modern communication networks—from 4G and 5G to future 6G—mobile base stations form the backbone of wireless connectivity. Behind this infrastructure lies a seemingly minor yet critical design choice: almost all telecom base stations worldwide operate on –48V DC power.   For many outside the industry, this raises obvious questions: Why –48V instead of +48V? Why not ...
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