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Requirements for electric vehicle chargers

Release time:

2024-06-27

The quality of the charger is closely related to whether the driving range of the electric bicycle can be maintained in a good state, whether it will damage the battery and reduce the battery life, and whether the user can get economic and practical benefits.

The quality of the charger is closely related to whether the driving range of the electric bicycle can be maintained in a good state, whether it will damage the battery and reduce the battery life, and whether the user can get economic and practical benefits.

(I) electric vehicle charging social security is an inevitable trend

According to the development of electric vehicles, the future of battery charging, the number of roadside charging stations will be more and more, charging stations to charge a variety of batteries at the same time, and these batteries, a wide range of different states, which complicates the charging work. To this end, the charging station must carry out systematic management of the battery, the key to management is to predict and charge, and the charger performance must be improved. The charging station receives the discharged battery and then customizes the fast charging, regular charging and trickle charging schemes. In the process of charging, there should be various displays and instructions, such as voltage, current, time, the amount of electricity that has been charged, and the stage to which charging has been carried out.

Each battery manufacturer should make full tests on its own batteries to determine and master the characteristics of the charging process. It is mainly at various turning points: when is it appropriate to charge quickly, when to start polarization, the time of heat generation, the linear relationship between current size and polarization and heat generation, the discharge and charge termination voltage of a single cell battery, the amplitude and duty cycle of the pulse, the intensity of the reverse pulse, the trickle time and duration, the measurement and transmission of the internal temperature of the battery, etc.

According to these characteristics and data, calculate and design the charging circuit, so that the circuit is very suitable for their own products, become a supporting special charger. If it is not determined and tested to determine the charging circuit, but from the market to buy at will, it is impossible to fully fit the product characteristics, how many there are some adverse factors, very good not to do so.

For the battery, the charger is like a responsible warehouse management combination, which can store the disorganized goods-electric energy, carefully organized and stored in the warehouse-each cell of the battery. The porters put the goods evenly and uniformly, each grid is no more, no less, impartial, equal opportunity, and always maintain a balanced state until it is full. They cannot crush the grids in the warehouse, nor can they collapse and damage the warehouse due to irregular stacking. They should also be able to make full use of the storage capacity.

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