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Matters needing attention for energy transfer battery equalizer

(Summary description)It takes a long time to perform the energy transfer battery equalizer during discharge. Since the discharge speed is related to the resistance of the load resistance, the efficiency of balancing is low when the system is working

Matters needing attention for energy transfer battery equalizer

(Summary description)It takes a long time to perform the energy transfer battery equalizer during discharge. Since the discharge speed is related to the resistance of the load resistance, the efficiency of balancing is low when the system is working

Information

It takes a long time to perform the energy transfer battery equalizer during discharge. Since the discharge speed is related to the resistance of the load resistance, the efficiency of balancing is low when the system is working. If equalization is performed during the discharge and the equalization time is desired to be short, an external power transistor with a small on-resistance needs to be connected. This type of transistor is very common.
energy transfer battery equalizer
If you want to quickly equalize during discharge, connect a low-resistance resistor in series with the power transistor to reduce the power consumption of the power transistor. Without this current-limiting resistor, the transistor will quickly consume the power of the lithium battery.
  
It is not accurate to measure the voltage of the lithium battery during charging, and it will cause a premature lithium energy transfer battery equalizer. Therefore, the charging is periodically stopped in order to measure the battery voltage. Equalization during charging also requires an external power transistor with low on-resistance to achieve battery equalization, which will have the same limitations as equalization during discharge.
  
Balance management process design is very important in any kind of lithium battery system. Now balance management, whether it is an electric forklift lithium battery system or a new energy vehicle lithium battery system, is inseparable from the balance management. The internal balance management of the battery assembly, regardless of Whether it is a traditional lead-acid battery or a lithium battery that is very popular nowadays, the performance is not the performance of a single cell, but more depends on the balance management performance of the overall lithium battery pack.

As one of the key technologies of lithium battery power management, energy transfer battery equalizer management technology has important practical and economic significance for the study of energy issues. At present, the balance of lithium batteries has not been well perfected, and the technology in this area needs to be improved.
 

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