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The quality designed and manufactured
ferroresonant transformer is the heart of the efficient charger. The
power conversion circuitry is designed to maximize battery life with
its constantly tapering charge, automatically regulated by the "on
charge" battery voltage. The output current of the charger is
determined by the state of discharge of the battery. The battery is
precisely charged, based on its depth of discharge.
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High frequency industrial battery chargers
utilize IGBT
technology to offer high efficiency, precisely controlled charge
curves,
light weight and small size. High frequency chargers provide a constant
current-constant voltage-constant current (IEI) charge curve and
because of their extreme flexibility, are adaptable to all types
of batteries and applications.
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Silicon Controlled Rectifier (SCR) type battery
chargers regulate
charging current by allowing the battery to determine its own charge
cycle rate in accordance with its state of discharge. SCR chargers
provide a constant current-constant voltage-constant current (I-E-I)
charge that eliminates the possibility of overcharging, even with line
voltage variations of +/- 10%, and allows the battery to finish at the
proper current regardless of its age or temperature.
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