Energy storage battery parker module

Why do we need battery energy storage systems?

Fluctuations in electricity generation due to the stochastic nature of solar and wind power, together with the need for higher efficiency in the electrical system, make the use of energy storage systems increasingly necessary. To address this challenge, battery energy storage systems (BESS) are considered to be one of the main technologies .

Why should a battery pack be modular?

This is because the reusability of the design and even the repair or replacement of cells becomes much more challenging in a battery-pack with a large number of cells. Modularity allows easily customizing the design for different voltage, power and energy levels.

What is a battery energy storage system (BESS)?

To address this challenge, battery energy storage systems (BESS) are considered to be one of the main technologies . Every traditional BESS is based on three main components: the power converter, the battery management system (BMS) and the assembly of cells required to create the battery-pack .

How reliable are modular battery-packs?

Table 4, Table 5 contain the modular BESSs MTTF values, while Table 6, Table 7 show the reliability results that correspond to traditional BESSs. According to these results, the reliability of modular battery-packs is up to 20.24 % over the conventional BESSs for energy applications.

Why does a battery management system need to be protected?

A battery needs to be protected against possible external faults that would put the system in danger. Protecting the battery from damage during the normal function of the system (charging and discharging process) is one of the main functionalities of a battery management system (BMS).

Can a modular battery-pack solve a cell-to-cell imbalance?

However, as the cell to cell imbalances tend to rise over time, the cycle life of the battery-pack is shorter than the life of individual cells. New design proposals focused on modular systems could help to overcome this problem, increasing the access to each cell measurements and management.