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  • What is the difference between the 8/20us waveform and the 10/350us waveform in surge protective devices (SPD)

    What is the difference between the 8/20us waveform and the 10/350us waveform in surge protective devices (SPD)

    Oct , 08 2023
    The surge protector has an important parameter, 8/20us or 10/350us, which many people are unaware of. The main function of the surge protector is to respond to lightning strikes, including direct and induced lightning. The forms of direct lightning and inductive lightning have different energies, and their current waveforms are similar to 10/350us (direct lightning) and 8/20us (inductive lightning...
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  • Micropore system anatomy of AGM clapboard

    Micropore system anatomy of AGM clapboard

    Oct , 11 2023
    The performance characteristics of VRLA batteries are largely determined by the capillary characteristics of the AGM separator, that is, the ability to keep the micropores in the thickness direction of the separator filled with electrolyte and prevent the electrolyte from drying out and causing delamination. These properties are influenced by the micropore structure, especially the micropore distr...
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  • Lithium battery performance key indicators - internal resistance knowledge

    Lithium battery performance key indicators - internal resistance knowledge

    Oct , 13 2023
    First, the definition and role of internal resistance (1) Definition of internal resistance Internal resistance refers to the resistance encountered by the current passing through the inside of the lithium battery during discharge or charging. It is determined by the conductivity of the material inside the battery, the ion transport rate of the electrolyte, the contact resistance between the elect...
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  • What is the difference between single phase and three phase UPS?

    What is the difference between single phase and three phase UPS?

    Oct , 16 2023
    When purchasing UPS for your business or organization, many factors should be taken into consideration, among which the choice of power supply between single phase UPS and three phase UPS is the foremost one. Though both of the UPS offer consistent backup power for dealing with unexpected situations, they have different roles. Here is a brief introduction of single phase vs three phase for those w...
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  • How to calculate the required ups load capacity?

    How to calculate the required ups load capacity?

    Oct , 19 2023
    Measured in “watts”, UPS load capacity is an important factor to consider when choosing a UPS (uninterruptible power supply). It determines how many electronic devices the UPS system can support. This post will tell you how to choose the right UPS with required UPS load capacity in the following four steps. Clarify UPS Measurement Units UPS systems are rated either in kilowatts (kW) or in kilo-vol...
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  • The role and importance of AGM partitions

    The role and importance of AGM partitions

    Oct , 19 2023
    AGM separator and transfer reaction between positive and negative plates Structure and function of partitions The AGM partitions used by VRLA have the following additional functions: Absorb the electrolyte (the third active substance of the battery) so that it does not flow. Provides a relatively large gas transfer hole for oxygen diffusion and thus facilitates the operation of the COC. High ionic...
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  • Storage PCS topology architecture

    Storage PCS topology architecture

    Oct , 20 2023
    The topology of the Power Conversion System (PCS) of electrochemical energy storage system is closely related to the technical route of the electrochemical energy storage system PCS can operate in the following two states and thus shoulder two important functions: 1. The working state of the rectifier: converts the alternating current of the power grid into direct current when charging the battery...
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  • Lithium battery internal resistance - AC resistance and DC resistance

    Lithium battery internal resistance - AC resistance and DC resistance

    Oct , 27 2023
    Resistance is a physical quantity that characterizes the degree of obstruction of circuit elements to current transmission. The internal resistance (internal resistance) of lithium batteries is one of the important indicators to evaluate the performance of batteries. In practical applications, the internal resistance of lithium batteries has three important roles: 1. It can be used to evaluate the...
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  • Inverter energy storage system on the role

    Inverter energy storage system on the role

    Oct , 27 2023
    First, the basic principle of inverter Inverter is a device that converts direct current to alternating current, its main principle is to use the switching characteristics of semiconductor devices (such as field effect tubes or thyristors, etc.) to control the power supply voltage and current through rapid switching, so as to achieve the conversion of direct current to the corresponding frequency ...
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  • Method for providing the service life of valve-controlled closed lead acid Battery (VRLA)?

    Method for providing the service life of valve-controlled closed lead acid Battery (VRLA)?

    Nov , 03 2023
    1 Temperature affects battery life: thermal runaway causes temperature rise: Valve-controlled closed lead-acid battery (VRLA) charging when the internal gas recombination itself is an exothermal reaction, so that the battery temperature rises, floating charge flow increases, the gas evolution increases, and the battery temperature rises higher, the battery itself is a "poor liquid", tightly assemb...
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  • Comparison of advantages and disadvantages of various energy storage systems

    Comparison of advantages and disadvantages of various energy storage systems

    Nov , 11 2023
    1. Lithium-ion batteries "Lithium battery" is a class of lithium metal or lithium alloy as a negative electrode material, the use of non-aqueous electrolyte solution of the battery, due to the chemical characteristics of lithium metal is very active, so that the processing of lithium metal, preservation, use, the environmental requirements are very high. With the development of science and technol...
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  • What are the aspects of battery energy storage system?

    What are the aspects of battery energy storage system?

    Nov , 11 2023
    When analyzing the energy storage process, the part of the object or space range drawn out in order to determine the research object is called the energy storage system. It includes energy and matter input and output, energy conversion and storage equipment. Energy storage systems often involve a variety of energy, a variety of equipment, a variety of substances, multiple processes, is a complex e...
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