CPS ES Series - Page 45

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Table 4-2 250 kW / 559.1 kWh ESS Components
No. Item Qty. Note
Battery
cabinet
1 Battery packs 12
Includes power cables, MSD, communication cables,
and cell-level BMS assembled in the pack; six packs per
cabinet, two cabinets total.
2 HV control box 2
Includes power cables, communication cables, power
supply, AC breakers, and DC insulation switch; one box
per cabinet, two cabinets total.
3 Fire suppression unit 2
Includes heat detector, smoke detector, and aerosol
spray; one set per cabinet, two cabinets total.
4 String level BMS 2
Calculates the SOC and SOH and controls the
contactors inside the HV control box; one unit per
cabinet, two cabinets total, operate independently.
PCS
cabinet
5 125 kW PCS module 1
Each 125 kW module includes one 62.5 kW master unit
and one 62.5 kW slave unit; two 125 kW modules total.
6
PCS cabinet power
distribution system
1
Includes circuit breakers, surge protectors, control
relays for emergency power-off button, and cabinet fan;
two sets total.
7 UPS 1
Provides backup power to the PCS control unit,
networking equipment, and control relays; two sets total.
8 Transformer 1
Provides power to the battery cabinet liquid-cooling
chiller, BMS, and all control circuits inside the PCS
cabinet; two units total.
9 PCS cabinet accessories 1 Includes base sealing plate.