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  • Important performance of the battery

    Important performance of the battery

    Sep , 04 2023
    1, electrical performance: (1) Rated capacity: 0.5C discharge, single battery discharge time is not less than 2h, battery pack discharge time is not less than 108min (95%); (2) 1C discharge capacity: 1C discharge, single battery discharge time is not less than 57min (95%), battery pack discharge time is not less than 54min (90%); (3) Low temperature discharge capacity: 0.5C discharge at -20℃, the ...
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  • Why only online UPS topology provides mission critical load protection

    Why only online UPS topology provides mission critical load protection

    Sep , 09 2023
    Why does only online UPS topology provides mission critical load protection? Modern, static UPS systems are broadly classified into three design architectures: on-line, off-line and line interactive. This post describes and compares the three types and explains why – for truly critical loads – online ups topology is the only acceptable approach. Facility executives today face increased demands for...
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  • How to select an inductor

    How to select an inductor

    Sep , 16 2023
    Inductors - also known as chokes, reactors, and dynamic reactors.Together with capacitors and resistors, they are known as the three major passive components, and relay containers and resistors have rapidly developed into chip based components. Self induction phenomenon: The electromagnetic induction phenomenon that occurs when the current flowing through the conductor itself changes. When a coil ...
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  • How do lithium batteries screen distribution groups?

    How do lithium batteries screen distribution groups?

    Sep , 19 2023
    The inconsistency between single batteries often causes problems such as too fast capacity decay and short life during the cycle of battery packs. Improving the consistency of batteries is of great significance to the popularization and application of lithium-ion batteries. 1 Inconsistency analysis Definition of inconsistency The inconsistency of the lithium-ion battery pack means that after the s...
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  • Selection of types and operating modes of household energy storage systems

    Selection of types and operating modes of household energy storage systems

    Sep , 21 2023
    Main types of household light storage systems 01 Off-grid integrated photovoltaic energy storage system It is mainly composed of components, lithium batteries, energy storage inverters, smart meters, power grids, grid-connected loads and off-grid loads. The system has high integration and intelligent control, and can switch working mode according to the situation to meet the needs of users. 02 AC ...
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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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  • The role of large AC voltage regulators

    The role of large AC voltage regulators

    Oct , 19 2023
    Current stabilized power supply (large AC voltage stabilizer) There are many types of regulated power sources, whose function is to filter the mains electricity; The voltage required to stabilize various electrical appliances and circuits is called a regulated power supply. The definition of a regulated power supply is an electronic device that can provide stable AC or DC power to a load, includin...
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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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