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  • Single-Phase vs. 3-Phase Power Protection: What You Need to Know（part-2）

    Single-Phase vs. 3-Phase Power Protection: What You Need to Know（part-2）

    Aug , 29 2022
    What is 3-Phase Power? Unlike single-phase, 3-phase power produces three separate wave currents so there is no temporary absence of power. 3-Phase power delivers power at a steady, constant rate and can reach higher voltage levels up to 480V in the USA. This steady stream of power and ability to handle higher loads makes a 3-phase supply ideal for industrial and commercial operations. More Waves. ...
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  • Fourier Analysis of input current of Single phase controlled bridge rectifier

    Fourier Analysis of input current of Single phase controlled bridge rectifier

    Aug , 29 2022
    While the use of uncontrolled rectifier circuits remains prominent, for some applications, more control and efficiency is necessary. This can be accomplished through the use of a controlled rectifier circuit in which thyristors connected in a full-bridge configuration adjust the average voltage. Each thyristor has a gate that controls when it turns on. With control circuitry these devices can be o...
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  • Effect of formation current density on battery performance

    Effect of formation current density on battery performance

    Sep , 13 2022
    When graphite is used as the negative electrode active material, there are two types of reactions for the formation of SEI films: two-electron reactions, that is, two electrons participate in the reaction at the same time, and it is easier to generate inorganic lithium salt components; single-electron reactions, that is, only need A reaction that can take place when one electron participates, it i...
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  • Things to keep in mind when installing UPS

    Things to keep in mind when installing UPS

    Sep , 19 2022
    During the installation of a UPS system we need to be careful about some certain factors which can hamper our entire operation and threat the reliability of the system. In this series of technical article we are going to explain 12 major problems that need to be paid attention to when installing a UPS system.  In this article we are going to explain second 6 of the major problems: 7. Use envi...
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  • The basic working principle of the communication power rectifier module

    The basic working principle of the communication power rectifier module

    Sep , 19 2022
    The rectifier module is a part of the switching power supply system in the communication inverter power supply, and it is also the core part. So what is the basic working principle of the communication power rectifier module? The editor of EVEREXCEED will teach you some knowledge below. The working principle of the high-frequency switching rectifier (rectifier module) is that after the commercial ...
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  • How a UPS system works with a Generator

    How a UPS system works with a Generator

    Sep , 19 2022
    As weather extremes and storms increase, power outages are likely to continue to rise. According to the U.S. Energy Information Administration, U.S. customers experienced an average of nearly six hours of power interruptions in 2018. If you have invested in a generator, you’ve prepared for when a storm hits, right? Almost. Even with a generator, you still need a battery backup, also known as an Un...
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  • Key Factors in Choosing the Right UPS

    Key Factors in Choosing the Right UPS

    Sep , 26 2022
    You rely on your UPS system for backup if your power goes out, right? But does your UPS have your back? That is, will it provide a bridge of power long enough for what you need? At the very least you will want to save your data and perform a safe shutdown. Your UPS backup battery will only provide power for a set amount of time, known as runtime. In this article, we will provide a step-by-step app...
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  • Failure causes of lithium battery- Failure during recycling

    Failure causes of lithium battery- Failure during recycling

    Oct , 08 2022
    The battery is generally exothermic during use, so the effect of temperature is very important. In addition, road conditions, usage, ambient temperature, etc. will have different effects. The capacity loss of LiFePO4 power batteries during cycling is generally considered to be caused by the loss of active lithium ions. The research shows that the aging of LiFePO4 power battery during cycling is ma...
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  • Failure causes of lithium battery- Failure during charging and discharging

    Failure causes of lithium battery- Failure during charging and discharging

    Oct , 08 2022
    The battery is often overcharged in the process of use. Relatively speaking, the overdischarge situation is less. The heat released during the overcharge or overdischarge process is easy to accumulate inside the battery, which will further increase the battery temperature. , affecting the service life of the battery and increasing the possibility of the battery catching fire or exploding. Even und...
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  • How to do the battery identification of lithium technology?

    How to do the battery identification of lithium technology?

    Oct , 17 2022
    How to do the battery identification of lithium technology? According to the IEC61960 standard, the identification of secondary lithium batteries is as follows: 01) The battery identification consists of 3 letters followed by 5 numbers (cylindrical) or 6 (square) numbers. 02) The first letter: Indicates the negative electrode material of the battery. I—represents lithium ions with built-in batteri...
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  • What is pulse charging and output power of a battery?

    What is pulse charging and output power of a battery?

    Oct , 24 2022
    What is pulse charging? What is the impact on battery performance? Pulse charging generally adopts the method of charging and discharging, that is, charging for 5 seconds and discharging for 1 second, so that most of the oxygen generated during the charging process will be reduced to electrolyte under the discharge pulse. It not only limits the vaporization of the internal electrolyte, but also fo...
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  • What are the possible reasons for the zero voltage or low voltage of the single cell and battery pack?

    What are the possible reasons for the zero voltage or low voltage of the single cell and battery pack?

    Oct , 24 2022
    What are the possible reasons for the zero voltage or low voltage of the single cell? 01) External short circuit or overcharge or reverse charge of the battery (forced overdischarge); 02) The battery is continuously overcharged by high rate and high current, resulting in the expansion of the battery pole core, the direct contact of the positive and negative poles, and the short circuit; 03) Intern...
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