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Uninterruptible power supply(UPS)

  • Working mechanism and precautions of power UPS power supply to avoid overload useWorking mechanism and precautions of power UPS power supply to avoid overload use

    Working mechanism and precautions of power UPS power supply to avoid overload useWorking mechanism and precautions of power UPS power supply to avoid overload use

    Mar , 02 2024
    Power UPS power supply equipment is a conversion device that converts mains and DC energy into uninterrupted and purified AC energy, providing a continuous AC power supply that can be used for computers and other electrical equipment to prevent mains instability and power outages. Technical characteristics of UPS power supply: (1) Adopting CPU control, the circuit is simple and reliable; (2) Adopt...
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  • What is the difference between three-phase current and phase current

    What is the difference between three-phase current and phase current

    Mar , 01 2024
    The relationship between line current and phase current is as follows For a star connected motor, the phase current is equal to the line current. For motors with triangular connections, the line current is equal to √ 3 times the phase current, and the line current lags behind the phase current by 30 °. Phase current refers to the current flowing through each phase load in a three-phase power suppl...
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  • Series and parallel connection of capacitors

    Series and parallel connection of capacitors

    Feb , 23 2024
    Capacitor series connection: The total capacity decreases, but the withstand voltage value increases. The withstand voltage value is the sum of the withstand voltage values of two capacitors. Capacitor parallel connection: The total capacity increases, and the voltage withstand value is taken as the voltage withstand value of the smallest capacitor. If two capacitors are exactly the same, the volt...
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  • Adaptability of different types of UPS power supplies to data center requirements

    Adaptability of different types of UPS power supplies to data center requirements

    Feb , 23 2024
    From the perspective of data center requirements, the best UPS should have the characteristics of elastic expansion, high availability, efficiency, high density, and intelligence. According to this standard, a comparison is made between the power frequency UPS, high frequency UPS and modular UPS commonly used in data centers. Adaptability table of different types of UPS to data center requirements...
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  • Zero line electrification poses the following hazards

    Zero line electrification poses the following hazards

    Feb , 03 2024
    (1) When the zero line is disconnected, due to load asymmetry, the neutral point drift is caused, and the voltage of one phase of the light load will increase. When it exceeds the rated voltage of the electrical equipment, it will shorten the service life of the equipment. If it exceeds the rated voltage too much, it may even damage the equipment and cause a "group explosion" of household applianc...
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  • AC & DC Maintenance Benefits

    AC & DC Maintenance Benefits

    Jan , 26 2024
    Introduction Maintenance is a necessary aspect of maintaining your critical backup power system and essential to ensure optimal performance when needed. What's the difference between an AC a DC UPS? An AC UPS transports electricity current over long distances, whereas a DC UPS is an uninterruptible power system that takes in primary power (usually utility AC) and outputs DC voltage, while providin...
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  • Transformer based UPS VS transformerless UPS

    Transformer based UPS VS transformerless UPS

    Jan , 17 2024
    A transformer based ups system provides an isolation mechanism. There are inrush currents from all the mechanical equipment. This is not the place for a traditional computer UPS system. In recent years, the use of Uninterruptible Power Supplies (UPS) has become increasingly common in data centers, hospitals, and other critical facilities. UPS systems are designed to provide backup power to essenti...
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  • Transformer based UPS VS transformerless UPS

    Transformer based UPS VS transformerless UPS

    Jan , 17 2024
    Regular maintenance is crucial to ensure the normal operation of the UPS power supply and extend its service life. Here are some recommended UPS power maintenance methods: 1. Environmental requirements: The location where the UPS power supply is placed must be kept flat, dry, well ventilated, and avoid direct sunlight. The ambient temperature should be maintained between 5-40 ℃ to avoid low or hig...
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  • Inductor Selection in DC-DC Switching Power Supply

    Inductor Selection in DC-DC Switching Power Supply

    Jan , 13 2024
    1、 Introduction Inductors are widely used in circuit design, and their main functions in circuits include energy storage, filtering, choking, resonance, matching, etc. The main parameters of inductance are as follows: Table 1 Key parameters of inductance NO. Name Significance 1 Inductance L The larger the L, the stronger the energy storage capacity, the smaller the ripple, and the smaller the requ...
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