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  • EMC classification and selection of UPS, using shielded cables

    EMC classification and selection of UPS, using shielded cables

    Nov , 25 2023
    Introduction to UPS and EMC Uninterruptible power supply (UPS), as a constant frequency, stable voltage, pure, and uninterrupted high-quality power supply, is widely used in various places with high requirements for power quality and continuity, such as personal, commercial, light industry, and industrial areas. When selecting UPS for various scenarios mentioned above, the core focus is mainly on ...
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  • Comparison of advantages and disadvantages between half bridge circuit and full bridge circuit

    Comparison of advantages and disadvantages between half bridge circuit and full bridge circuit

    Nov , 25 2023
    The form of the half bridge inverter power conversion main circuit is shown in the following figure: By analyzing the withstand voltage of the switch tube and the primary voltage of the transformer when two switch tubes are alternately turned on and off using a sequential circuit, it is known that the required withstand voltage of the switch tube is Vac; The primary voltage of the transformer is 1...
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  • Explanation of inverter harmonic control, increasing internal resistance of inverter power supply

    Explanation of inverter harmonic control, increasing internal resistance of inverter power supply

    Nov , 29 2023
    Due to its small size, light weight, low cost, and high efficiency, inverter power sources are highly favored in various production fields, especially in fields such as fans, water pumps, and transmission systems. Although the application of inverter power has produced significant energy-saving effects, the accompanying harmonic problems cannot be ignored. Inverter harmonic control instructions Th...
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  • Lithium battery energy storage safety approach

    Lithium battery energy storage safety approach

    Dec , 01 2023
    1. Optimization design: In the design of lithium-ion energy storage system, the use environment and workload in various cases should be considered, and the structure, layout, heat dissipation and protection measures of the battery pack should be reasonably designed. 2, improve the manufacturing process: the manufacturing process is one of the important factors affecting the safety of lithium-ion e...
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  • Working principle of lithium battery for energy storage

    Working principle of lithium battery for energy storage

    Dec , 01 2023
    It consists of positive electrode, negative electrode, diaphragm and electrolyte. At present, nickel-manganese-cobalt ternary material or lithium iron phosphate is commonly used as the positive electrode of mainstream products, while the negative electrode is mostly made of graphite and other carbon materials. With the advantages of high energy density, no memory effect, fast charging and discharg...
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  • UPS power supply how to choose lithium battery and lead-acid battery?

    UPS power supply how to choose lithium battery and lead-acid battery?

    Dec , 08 2023
    UPS power supply is an indispensable and important part of modern power guarantee system. In the UPS power supply, the commonly used battery types include lithium iron phosphate batteries and lead-acid batteries, then lithium batteries and lead-acid battery UPS power supply which is good, consumers how to choose? This article will explain to you. UPS power supply choose lithium battery and lead-ac...
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  • Introduction to rack mounted uninterruptible power supply, application scenarios, etc

    Introduction to rack mounted uninterruptible power supply, application scenarios, etc

    Dec , 09 2023
    Rack mounted UPS power supply is a type of power protection device. It is mainly used in data centers, server rooms, communication rooms, banks, hospitals, and other places that require high power reliability. The uninterrupted power supply of UPS can avoid unexpected power outages, voltage fluctuations, and other issues, ensuring the stable operation of equipment. The requirements for UPS power s...
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  • How is ups efficiency calculated?

    How is ups efficiency calculated?

    Dec , 09 2023
    UPS efficiency is a big deal. The more efficient your UPS, the cheaper it is to run. As energy costs continue to increase, we’ve seen that businesses and organisations across multiple sectors are now looking for ways to increase their energy efficiency and subsequently reduce their energy bills. One of the ways to do this is by investing in an efficient uninterruptible power supply (UPS). What is ...
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  • What is UPS ECO mode in UPS system?

    What is UPS ECO mode in UPS system?

    Dec , 15 2023
    As good as this may sound, hardly any data centres choose to use ups eco mode. Because this mode doesn’t offer the same level of protection as a true on-line uninterruptible power supply. Also known as ‘economy’, UPS ECO mode is a special UPS operating mode offering enhanced energy efficiency. Capable of delivering efficiency up to 99%, ECO mode sees the bypass line (raw mains supply) power the lo...
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  • Working principles and applications of energy storage systems

    Working principles and applications of energy storage systems

    Dec , 15 2023
    One of the keys to achieving high levels of renewable energy on the grid is the ability to store electricity and use it at a later time. Much like refrigerators enabled food to be stored for days or weeks so it didn’t have to be consumed immediately or thrown away, energy storage lets individuals and communities access electricity when they need it most—like during outages, or when the sun isn’t s...
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  • Working principle of lead-acid battery

    Working principle of lead-acid battery

    Dec , 23 2023
    1. The generation of electromotive force of lead-acid batteries After the lead-acid battery is charged, the positive plate lead dioxide (PbO2), under the action of water molecules in the sulfuric acid solution, a small amount of lead dioxide and water produce dissociable unstable substances - lead hydroxide (Pb (OH) 4), hydroxide ions in the solution, lead ions (Pb4) remain on the positive plate, ...
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  • Basic knowledge of maintenance-free lead-acid batteries

    Basic knowledge of maintenance-free lead-acid batteries

    Dec , 23 2023
    1. Meaning of maintenance-free battery The main advantage of the valve-controlled lead-acid battery is that the oxygen generated on the positive plate during charging is reduced to water on the negative plate through the recombination reaction, and water does not need to be added during the specified floating life period when used, so it is also called maintenance-free lead-acid battery. It can be...
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