The energy storage system comprises a battery system, control system, and PCS (boost station) system. It stores grid electricity during periods of low electricity prices and low load, then releases energy during periods of high electricity prices and high load. This provides power for peak loads, shaving peaks and filling valleys, thereby reducing electricity costs for industrial and commercial enterprises.
Main Technical Parameters:
Rated Energy Capacity: Single Bay: 0.05MWh–5MWh
Rated Power: Single Unit: 50kW–630kW
Charging Voltage: DC 500–850V
Allowable Grid Frequency Range: 45–55Hz / 55–65Hz
Communication Interfaces: Ethernet, RS485, CAN, etc.
Product Features:
BMS Battery Management System Architecture
● Primary CAN/485 bus: EMS PCS communicates with primary controllers of each unit; responsible for communication relay;
●Secondary CAN bus: Communication between primary controllers and sub-controllers; monitors battery status and diagnoses faults in assigned branches; BMU handles VT sampling of internal cells within modules;
●Tertiary CAN bus: Communication between secondary controllers of each branch and module sampling modules.
EMS Features:
● Performs statistical analysis on PCS operating parameters, battery pack voltage, charge/discharge current, individual cell terminal voltage, and SOC values, generating reports on operational efficiency and charge/discharge cycle counts;
● Supports extensive communication protocol connectivity, including 103 protocol, 104 protocol, IEC61850 protocol, Modbus TCP, and RTU protocol, ensuring strong adaptability;
● Capable of active power control, reactive power control, AC voltage operation control, power factor control, scheduled fixed-power charging/discharging, real-time dispatch of power curves, and execution of pre-issued power curves.
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