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  • The Necessity and Suggestion of UPS Battery Maintenance

    The Necessity and Suggestion of UPS Battery Maintenance

    Apr , 18 2022
    With the demand of the market, UPS is widely used in various industries, and the battery has become the power guarantee for the uninterruptible power supply system. When the mains are abnormal, the battery converts chemical energy into electrical energy, which is converted into AC electrical energy through the inverter in the UPS and delivered to the load to ensure uninterrupted and continuous ope...
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  • Battery charging tutorial-Part 2

    Battery charging tutorial-Part 2

    Apr , 18 2022
    Equalization Equalization is essentially a controlled over charge. Some charger manufacturers call the peak voltage the charger attains at the end of the BULK mode (absorption voltage) an equalization voltage, but technically it's not. Higher capacity wet (flooded) batteries sometimes benefit from this procedure , particularly the physically tall batteries. The electrolyte in a wet battery can str...
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  • Battery charging tutorial-Part 1

    Battery charging tutorial-Part 1

    Apr , 18 2022
    Current battery charging technology relies on microprocessors (computer chips) to recharge; using 3 stages (or 2 or 4 stages) regulated charging. These are the "smart chargers", and quality units generally are not found in discount stores. The three stages or steps in lead/acid battery charging are bulk, absorption, and float. Qualification or equalization is sometimes considered another stage. A ...
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  • Some FAQ about the Lithium batteries for UPS

    Some FAQ about the Lithium batteries for UPS

    Apr , 06 2022
    What are the primary benefits of switching to lithium based UPS batteries? The most common reason cited is the significantly longer service life. Lithium also provides a greater cycle life (the number of charge/discharge cycles ranges from extends into the thousands, versus approximately 500-600 for VRLA batteries), as well as a longer warranty. Furthermore, the lighter weight and smaller footprin...
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  • How to do the SOC-OCV test for Lithium batteries?

    How to do the SOC-OCV test for Lithium batteries?

    Apr , 06 2022
    OCV is very important for SOC estimation. It is a function of cell SOC and temperature. There are two methods to measure the OCV, namely coulomb titration and voltage relaxation. The former discharges and charges the cell with the same low current while measuring the terminal voltage. The OCV is defined as the average value of the charge and the discharge terminal voltage. The latter determines th...
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  • What are the differences among lithium batteries?

    What are the differences among lithium batteries?

    Apr , 06 2022
    Are all the lithium batteries same? No! In fact there are a group of related family chemistries. The battery industry highlights six common variants along with the chemistry characteristic details of those most applicable for your application. Below the 6 common types of lithium ion battery are shown in the table: Chemistry Lithium Cobalt Oxide Lithium Manganese Oxide Lithium Nickel Manganese Lith...
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  • Power Regulation Solution

    Power Regulation Solution

    Mar , 28 2022
    Due to the influence of various factors such as power supply facilities and regional conditions, the voltage fluctuation of the AC power supply grid in some countries is still relatively large. Specially in some remote and rural areas of countries with unstable urban networks. The main conditions of AC power grid voltage fluctuation are as follows: (1) The voltage fluctuates high and low, and cann...
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  • The structure and related advantages of the thyristor rectifier of the charger

    The structure and related advantages of the thyristor rectifier of the charger

    Mar , 28 2022
    Silicon controlled rectifier is a power control appliance based on thyristor (power electronic power device) and with intelligent digital control circuit as the core. It has many advantages such as high efficiency, no mechanical noise and wear, fast response speed, small size and light weight. The characteristics of the silicon controlled rectifier: it is "triggered". However, if a reverse voltage...
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  • The need for a UPS

    The need for a UPS

    Mar , 28 2022
    There is a common misconception that the utility power we use, except for occasional power outages, is continuous and constant, but it is not. As a public power grid, the mains system is connected to thousands of various loads. Some of the larger inductive, capacitive, switching power supplies and other loads not only obtain power from the power grid, but also cause damage to the power grid itself...
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