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Component composition of energy storage system

Time:Aug 07, 2023 Views:881


1. Battery cluster: This is the most expensive part of the energy storage system, which can reach 30% -40%, and is also the most important part of the battery




2. BMS: Battery management system, with a cost of 5-8%, is a device and software that controls the normal operation of battery packs. It can test the voltage, temperature, and other parameters of each battery module.



3. PCS: Energy storage bidirectional converter, which accounts for 10-15% of the cost, controls the charging and discharging process of the battery cluster, performs AC/DC conversion, and can directly supply power to AC loads in the absence of a power grid. Control the converter to charge or discharge the battery based on the symbol and size of the power command, achieving the regulation of active and reactive power in the power grid.




4. EMS: Energy Management System. Cost accounting for 2-5%,




5. Shell: Cabinet or container, etc


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