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  • Why Do Ni-Cd Batteries Have Transport Valves and Operating Valves? Understanding Their Functions and Safety Design

    Why Do Ni-Cd Batteries Have Transport Valves and Operating Valves? Understanding Their Functions and Safety Design

    Aug , 29 2026
    Nickel-Cadmium (Ni-Cd) batteries are widely used in critical industrial applications due to their excellent reliability, long service life, wide operating temperature range, and strong resistance to harsh environments. During the manufacturing, transportation, installation, and operation processes, battery safety is always a key consideration. One important safety feature of Ni-Cd batteries is the...
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  • Why a Running Fan Does Not Mean Your Power Supply Cooling Is Working Properly

    Why a Running Fan Does Not Mean Your Power Supply Cooling Is Working Properly

    Sep , 02 2026
    Quick Answer A running fan only shows that the fan is operating. It does not mean the power supply is effectively cooled. Actual cooling performance depends on airflow, air pressure, ventilation design, ambient temperature, and installation conditions. Long-term high temperature can accelerate component aging, reduce available power capacity, and shorten power supply lifespan.   Key Takeaways...
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  • Harmonics in Power Systems: Why Normal Operation Does Not Mean the System Is Healthy

    Harmonics in Power Systems: Why Normal Operation Does Not Mean the System Is Healthy

    Sep , 08 2026
    Quick Answer The biggest challenge with harmonics is that they usually do not cause immediate equipment failure. A power system may continue operating normally, while distorted current gradually increases losses, temperature rise, and stress on the entire power distribution system. For systems with rectifiers, UPS systems, battery chargers, variable frequency drives, and switching power supplies, ...
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