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  • Why high performance battery monitoring solutions suit sophisticated users?

    Why high performance battery monitoring solutions suit sophisticated users?

    Nov , 18 2021
    The battery monitoring industry has made a strong case that today’s ohmic battery monitoring systems are effective at discovering battery weakness well in advance of complete failure. Such systems are employed to increase a user’s certainty that stationary batteries will deliver their rated output when needed, thus preventing application downtime. The need for uptime at a credit card processing si...
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  • Implementing a useful battery assessment system at low cost

    Implementing a useful battery assessment system at low cost

    Nov , 22 2021
    In the battery system industry, some companies provide charger and battery systems to smaller, mission-critical applications; for some years, it has been clear that reducing the impact of battery failure is the best way to increase the user’s overall system reliability. In contrast to power electronics that can achieve MTBF in the range of 1 million hours, all VRLA batteries will fail between “now...
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  • Genset failure to start: The big problem no one talks about

    Genset failure to start: The big problem no one talks about

    Nov , 22 2021
    Failure to start is the most significant avoidable cause of diesel generator malfunction. Over 80% of failures to start are caused by battery problems. Genset customers invest significant amounts of money purchasing and maintaining generators. Yet the Achilles heel of these large, costly machines is a commodity product little changed since its invention in the late 1800s. Today most gensets do not...
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  • Assuming zero manufacturing defects, what are the chief causes of battery failure for a generator start application?

    Assuming zero manufacturing defects, what are the chief causes of battery failure for a generator start application?

    Nov , 22 2021
    Assuming zero manufacturing defects, there are three chief causes of battery failure: Failure to start is the most significant avoidable cause of diesel generator malfunction. Over 80% of failures to start are caused by battery problems. Genset customers invest significant amounts of money purchasing and maintaining generators. Yet the Achilles heel of these large, costly machines is a commodity p...
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  • What type of Battery assessment is suited for GENSET applications?

    What type of Battery assessment is suited for GENSET applications?

    Nov , 27 2021
    Lead-acid battery monitoring technology has matured to the point where the IEEE issued a standard (IEEE 1491) in 2005 to describe the various battery health assessment methods. Most large data centers, for example, spend tens of thousands of dollars for battery monitoring equipment designed to predict whether their UPS batteries will work. Data centers with downtime costs of six figures per minute...
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  • How to implement battery monitoring in a deployable product?

    How to implement battery monitoring in a deployable product?

    Nov , 27 2021
    Standalone ohmic battery monitoring systems designed for data center application are not suited for a genset environment. Although ohmic monitors work, they are expensive (estimated at $2,000 for a 24-volt system), time-consuming to install, and require trained personnel to interpret their data output. To achieve widespread adoption in the genset market any battery monitoring technology will need ...
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  • What are the recharge cycles phases of a Lead acid battery?

    What are the recharge cycles phases of a Lead acid battery?

    Nov , 27 2021
    The fastest generally accepted way to charge a conventional (lead‐acid or NiCd) battery is with a constant voltage, a current limited battery charger that is capable of both “boost” and “float” output voltages. “Boost” charging applies a higher than normal voltage to the battery early in the charge cycle to charge the battery as quickly as possible. Later, once the battery is charged, charging vol...
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  • Shortcomings of automatic boost timers (Method C) and current‐sensing automatic systems (Method D)

    Shortcomings of automatic boost timers (Method C) and current‐sensing automatic systems (Method D)

    Nov , 27 2021
    In the automatic timer control scheme, the duration of the boost charger is pre‐programmed into the charger’s control system. Chargers equipped with automatic boost timers may, under very specific circumstances, provide just the right duration of boost charging. Under all other circumstances, however, such as a different depth of discharge, or when the connected DC load changes, the pre‐programmed...
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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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  • Why Boost Charging is Necessary?

    Why Boost Charging is Necessary?

    Dec , 06 2021
    Boost charging is a very necessary activity during the operation of a VRLA battery in their life time. In this article we are going to discuss about the necessity of Boost charging in details. The following example helps illustrate two facts about reducing battery recharge time: Cutting recharge time in half is more complex than using a charger that delivers twice as many amperes. Multi‐rate charg...
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  • Why flooded SLI batteries in GENSET applications fail sooner and more suddenly than in vehicle applications?

    Why flooded SLI batteries in GENSET applications fail sooner and more suddenly than in vehicle applications?

    Dec , 06 2021
    Even though the batteries perform the identical job of delivering high-rates of current to crank internal combustion engines, the “use model” of batteries employed in gensets is different in one key respect from those employed in vehicles. Batteries used on gensets are charged around the clock, whereas vehicle batteries are charged only intermittently. Flooded SLI batteries used in genset applicat...
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  • Why flooded SLI batteries in GENSET applications fail sooner and more suddenly than in vehicle applications?

    Why flooded SLI batteries in GENSET applications fail sooner and more suddenly than in vehicle applications?

    Dec , 06 2021
    Continuous float charging flooded SLI batteries accelerates the deterioration of polyethylene plate separators to a life shorter than that which battery designers intended. When subjected to continuous float charging, the dominant and earliest failure mode tends to be premature failure of the polyethylene separator. Separator failure typically results in short circuits that prevent the battery fro...
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