What is the control problem of balancing state-of-charge in battery energy storage?

Abstract: We consider the control problem of fulfilling the desired total charging/discharging power while balancing the state-of-charge (SoC) of the networked battery units with unknown parameters in a battery energy storage system. We develop power allocating algorithms for the battery units.

How to improve the carrying capacity of a distributed energy storage system?

To improve the carrying capacity of the distributed energy storage system, fast state of charge (SOC) balancing control strategies based on reference voltage scheduling (RVSF) function and power command iterative calculation (PIC) are proposed in this paper, respectively.

How does cell imbalance affect the performance of a battery energy storage system?

The performance of a battery energy storage system is highly affected by cell imbalance. Capacity degradation of an individual cell which leads to non-utilization for the available capacity of a BESS is the main drawback of cell imbalance.

Can a passive cell balancing system improve battery management?

The increasing demand for clean transportation has propelled research and development in electric vehicles (EVs), with a crucial focus on enhancing battery technologies. This paper presents a novel approach to a battery management system by implementing a passive cell balancing system for lithium-ion battery packs.

What is battery balancing?

Battery balancing, or so-called battery equalization, is considered as one of the most effective methods to reduce the inconsistent effect on the battery string [ 11, 12]. For the configuration of the battery balancing, it is classified as the passive balancing method (PBM) and the active balancing method.

What is a passive cell balancing system for lithium-ion battery packs?

The presented research actually proposes a novel passive cell balancing system for lithium-ion battery packs. It is the process of ramping down the SOC of the cells to the lowest SOC of the cell, which is present in the group or pack. In simple words, consider a family having 5 members, such as parents and children’s.