How is the UPS power battery charging?

2022/04/08

  Author :Iflowpower – Portable Power Station Supplier

UPS power battery charging mode analysis ■ UPS constant current charging As the name suggests, constant current charging refers to charging at a fixed current to the UPS power supply battery, if the charging current is quite, while start charging, compare with other charging methods Close to the best charging curve, however, with the rise of charging, charging will be more increasingly increasingly not satisfying the battery's charging requirements. ■ Constant voltage limit charging constant voltage limit streaming is important to replenish the shortcomings of the short-term charging current excessive disadvantages, which is used to automatically use a resistance between the charging power supply and the rechargeable tank. Adjusting the charging current.

When the charging current is too large, the pressure drop on the current limiting resistor is also large, thereby reducing the charging voltage; when the charging current is hit, the pressure drop on the current limit resistance is also small, so that the charging current is automatically adjusted. No more than a certain limit. Since most of the energy is consumed on current current resistance, the utilization rate of energy is reduced.

■ UPS fast charging fast charging refers to a charging method with a large current method. Quick charging does not appear a lot of air bubbles and does not fever thus shortening charging time. At present, the commonly used rapid charging is important, and there is two kinds of pulse charging and large current flow rate.

The battery charging is used in stage charging mode. When the start phase is a large current constant flow, when the battery load is reached a stage, the current constant flow charge of the small level is used, and finally turns to constant voltage charging, and the DC bus voltage is stabilized. Plumbing voltage value.

And detect the ambient temperature, according to the stable change, temperature compensation is temperature compensated to prevent the battery from overcharged or under charge. ■ Intelligent charging intelligent charging is currently more advanced charging methods, the principle is to dynamically track the UPS power battery acceptable charging current throughout the charging process. Applying DU / DT technology, that is, the charging power source automatically determines the charging process parameters according to the state of the battery, so that the charging current remains close to the battery-accepted charging battery curve, keeping the battery in a state in which the battery is not charged, thereby protecting the battery.

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