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Solar battery balance system charging implementation

(Summary description)Balanced charging refers to a charging method that can balance the characteristics of the battery. There are more or less differences in each battery and each type of battery, which leads to an unbalanced voltage at the battery terminal.

Solar battery balance system charging implementation

(Summary description)Balanced charging refers to a charging method that can balance the characteristics of the battery. There are more or less differences in each battery and each type of battery, which leads to an unbalanced voltage at the battery terminal.

Information

Balanced charging refers to a charging method that can balance the characteristics of the battery. There are more or less differences in each battery and each type of battery, which leads to an unbalanced voltage at the battery terminal. Therefore, in the process of using the battery , it is necessary to activate the charging process by increasing the charging voltage to avoid unbalanced charging. The specific ways to realize the solar battery balance system are as follows:

solar battery balance system

1. In order to shunt the battery during charging, a parallel equalizing circuit can be added to the single cell of the battery pack. In this way, the excess heat of the first fully charged battery can be converted into heat energy, and its overcharge can be prevented, so that the battery that is not fully charged can continue to be charged. This method is relatively simple, but for the fast charging system, the energy loss is too much, so it is not recommended.

2. Discharge each single cell to the same level before charging, and then charge with a constant current, so that the equilibrium state between the individual cells can be kept stable. However, this method is difficult for individual battery packs with physical differences to achieve an ideal and completely consistent balance effect. balanced.

3. The more efficient method is to use the time-sharing principle to control and switch the switch components so that additional current flows into the battery with a relatively low voltage to make the solar battery balance system, but this method is relatively complicated.

4. Set the balance object as the voltage parameter of each battery, and keep the battery voltage the same. In the process of balanced charging of the solar battery balance system, the switch is controlled by the capacitor to alternately connect with two adjacent batteries. In order to balance the voltage of the battery, after the battery with a higher voltage is charged, the excess electricity will be released to the battery with a low voltage. This method can solve the problem of unbalanced battery voltage. when the number of batteries is low.

The above are several implementation methods of solar battery balance system charging. Enterprises can choose an appropriate method for balanced charging according to the actual situation.
 

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