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  • What is the right duration of Phase 2 of a charging cycle?

    What is the right duration of Phase 2 of a charging cycle?

    Nov , 27 2021
    The duration of Phase 1 is determined by the battery’s depth of discharge, the ratio of charger ampacity to battery capacity, and whether there are parasitic DC loads connected to the system. Although the duration of Phase 1 does vary, we are not concerned with this variation since, once the battery capacity, charger output, and DC loads are installed, we have no means to change the duration of Ph...
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  • What is Dynamic Boost and how does it works?

    What is Dynamic Boost and how does it works?

    Dec , 03 2021
    As with the current‐controlled automatic boost system, Dynamic Boost includes no pre‐programmed boost timer. Unlike the current‐controlled automatic boost system, however, Dynamic Boost automatically adjusts boost duration to take into account differing parasitic DC loads and other variables discussed above. The principle behind Dynamic Boost is simple and straightforward. Refer back to Figure 1. ...
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  • How a new intermittent charging algorithm addresses premature SLI battery failure?

    How a new intermittent charging algorithm addresses premature SLI battery failure?

    Dec , 06 2021
    A new charging algorithm addresses the problems of short genset battery life and sudden battery failure discussed above, while meeting the regulatory needs to deliver non-stop DC power to critical applications. The principle is simple and straightforward. Emulate the beneficial intermittent vehicle charging regime for which SLI batteries were originally designed, but continue charger operation to ...
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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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  • 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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  • DC-DC Converters-A suitable alternative to battery chargers

    DC-DC Converters-A suitable alternative to battery chargers

    May , 09 2022
    What if you had all the power you wanted or needed at 125 Vdc, but your site manager suddenly handed you a requirement for 24 Vdc to run some communication gear? You might tell him to buy a 24 V battery and a 24 V battery charger. But, these elements come with costs: initial, maintenance, and probable future battery replacement. There is another way: for approximately the same cost as the battery ...
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  • Battery charger options (part-1)

    Battery charger options (part-1)

    May , 16 2022
    In this series of articles we will discuss the options you can have in your battery charger. You can check out these options for choosing your desired battery charging solution. Special Ground Bus This is an appropriately sized ground bus bar mounted inside the battery charger to allow customers to tie ground connections inside the charger to the external system ground. The ground bus bar allows f...
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  • Battery charger options (part-2)

    Battery charger options (part-2)

    May , 16 2022
    In this series of articles we will discuss the options you can have in your battery charger. You can check out these options for choosing your desired battery charger solution. Alarm and Auxiliary Switches Breakers can be equipped with either an Alarm Switch or an Auxiliary Switch. They allow the customer to remotely monitor the status of the breaker telling them if it is tripped or open/closed. T...
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  • Battery charger options (part-3)

    Battery charger options (part-3)

    May , 16 2022
    In this series of articles we will discuss the options you can have in your battery charger. You can check out these options for choosing your desired battery charger solution. Charge Dividers Our charge divider option adds series diodes to the output of our charger to isolate multiple banks of batteries. The battery banks, in effect, do not see each other, allowing each bank to be charged complet...
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  • Battery charger options (part-4)

    Battery charger options (part-4)

    May , 23 2022
    In this series of articles we will discuss the options you can have in your battery charger. You can check out these options for choosing your desired battery charger solution. Reverse Polarity Protection and LED This circuit protects against someone accidently reversing the battery terminal connections on the charger (i.e. connecting the battery positive to the charger negative or vice versa). Th...
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  • High Frequency / High Ripple Resonant Chargers: Good or Bad? (part-1)

    High Frequency / High Ripple Resonant Chargers: Good or Bad? (part-1)

    Jun , 13 2022
    Battery charging is a complex electrochemical process, in which the discharged electric energy is replenished from the electric power grid. This is accomplished using a battery charger, which is an electrical/electronic device that converts the incoming AC line voltage into a regulated DC voltage to meet the charging needs of the respective battery. In a series of articles we are going to explain ...
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  • High Frequency / High Ripple Resonant Chargers: Good or Bad? (part-2)

    High Frequency / High Ripple Resonant Chargers: Good or Bad? (part-2)

    Jun , 13 2022
    Battery charging is a complex electrochemical process, in which the discharged electric energy is replenished from the electric power grid. This is accomplished using a battery charger, which is an electrical/electronic device that converts the incoming AC line voltage into a regulated DC voltage to meet the charging needs of the respective battery. In a series of articles we are going to explain ...
    more
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