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  • Explore and analyze the thermal power of Li- ion cells and battery packs (part-4)

    Explore and analyze the thermal power of Li- ion cells and battery packs (part-4)

    Jul , 11 2022
    Continuing from last week’s article, this week we are going to discuss other parameters. 3. Influence of charge and discharge rate The charge and discharge rate characterizes the charge and discharge current of the lithium- ion battery. Therefore, the charge and discharge rate must have a very significant impact on the heat generation power of the lithium-ion battery. , the final temperature and t...
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  • Explore and analyze the thermal power of Li- ion cells and battery packs (part-5)

    Explore and analyze the thermal power of Li- ion cells and battery packs (part-5)

    Jul , 11 2022
    Continuing from last week’s article, this week we are going to discuss other parameters. 4. The temperature rise and temperature difference of the battery pack under different working conditions On the basis of the above-mentioned single cell heat generation model, the battery pack model was established by using SOLIDWORKS software to simulate the heat production and the battery pack under differe...
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  • Air Transport Requirements for Lithium Ion Batteries

    Air Transport Requirements for Lithium Ion Batteries

    Jul , 11 2022
    Speaking of UN38.3, I believe it will be familiar to those engaged in the lithium battery industry. UN38.3 refers to Section 38.3 of the United Nations Manual of Tests and Criteria for the Transport of Dangerous Goods specially formulated by the United Nations for the transportation of dangerous goods, referred to as UN38.3. , high and low temperature cycle, vibration test, impact test, 55 ℃ exter...
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  • Relation between UPS and Generators

    Relation between UPS and Generators

    Jul , 18 2022
    UPS and generators should be best friends, smoothly cooperating to improve site’s resiliency. Often this might not be the case, due to mutual misunderstandings and lack of information. This article is a comprehensive guide and essential knowledge base about UPS input performance and its impact on generators’ operation. The UPS point of view： In real operation, whenever a mains failure occurs, the ...
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  • Effect of input capacitors between UPS and Generator

    Effect of input capacitors between UPS and Generator

    Jul , 18 2022
    Input capacitors used for filtering purpose cause pure apparent power to flow between the supply and the UPS. Such power is referred to as leading or capacitive power. Gensets can manage limited amount of pure leading power, as it interferes with the excitation circuit in the AC generator, leading to voltage oscillations and genset’s shutdown. Safe operating area charts show the allowed gensets’ l...
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  • Theoretical introduction to Switch mode converters

    Theoretical introduction to Switch mode converters

    Jul , 18 2022
    Switch mode power conversion technology dominates nearly every segment of the economy, including demanding aerospace and military power systems that impose requirements more demanding than those imposed by power utilities or industry. Switch mode converters are, for example, successfully hardened against the effects of frequent lightning strikes on aircraft, against the effects of nuclear electrom...
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  • Theoretical introduction to an AC power system

    Theoretical introduction to an AC power system

    Jul , 22 2022
    AC Power Systems have plenty more units, terms, measurements, interesting waveforms and math to describe their behavior. Any formulas presented here are for reference and validation only. The intension of this paperis convey the concept without having to seriously crunch numbers. All the terms and formulas interweave so itis difficult to create a flow of one topic to another without skipping aroun...
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  • Issues related to Battery for the datacenter application

    Issues related to Battery for the datacenter application

    Jul , 22 2022
    The entire corporate world changed their culture in a very short time, to a predominantly work-from-home model due to Covid-19, many data center and IT professionals have been scrambling to manage this sudden shift in their network demands. The IT sectors are losing many jobs rapidly; the monthly loss is huge in the industry’s history. The news was a harsh reminder that no industry will be spared ...
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  • What are the soft costs of datacenter?

    What are the soft costs of datacenter?

    Jul , 22 2022
    Data centers can’t afford to go dark. That’s why reliable critical power systems arecentral to their operation. Selecting and maintaining these systems comes at a price, but astronger understanding of “hard” and “soft” costs -- and what can be done to mitigate thelatter -- can protect the bottom line. Hard and soft costs vary from one operation to the next. In general, hard costs refer to the expe...
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  • How to lower the soft cost of Data center

    How to lower the soft cost of Data center

    Aug , 01 2022
    Outages are a major fear for data centers. And for a good reason. Unfortunately, many companies still roll the dice by purchasing critical power systems,assigning someone internally to keep tabs on the equipment, and simply hoping the system comes through when it needs to. (Spoiler: it often doesn’t.) Scarce resources, a lack of skilled personnel, and increased edge computing (and the scattered fa...
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  • Why use modular UPS and what are the advantages of modular UPS?

    Why use modular UPS and what are the advantages of modular UPS?

    Aug , 01 2022
    In recent years, with the rapid development of big data, cloud computing and other technologies, the traditional data center system is also changing rapidly. As a key component of the data center power supply and distribution system, the UPS industry is also changing. Modular UPS technology is becoming more and more mature, and more and more users have or are considering using modular UPS to build...
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  • Advantages of Modular UPS

    Advantages of Modular UPS

    Aug , 01 2022
    Generally speaking, the advertised modular UPS has the following advantages:       Easy to use, easy to install and expand       High availability and easy maintenance       Expansion on demand, saving initial investment       Module hibernation improves efficiency and saves operating costs       Intelligent network managem...
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