Industrial & Commercial Energy Storage System
Overall Solution for Industrial and Commercial Energy Storage
The energy storage system consists of a 30-foot energy storage system container with a planned design capacity of 500kW/1MWh. The energy storage system container includes energy storage system, battery management system, PCS, UPS, EMS, lighting, fire protection, HVAC and distribution. Auxiliary components such as electrical access systems, with installation/maintenance channels;
The power grid system of the plant is connected to the power grid system of the power distribution room through the feeder cabinet to realize the functions of peak shaving and valley filling, demand management, energy saving, load balancing, dynamic capacity increase, and power factor improvement. The electrical topology of the energy storage system is as follows
ENERGY STORAGE SYSTEM - CONTAINERIZED
Battery System Composition
Cell: lithium iron phosphate 100Ah, 3.2V; Battery pack box (2P16S): 51.2V, 200Ah, 10.24kWh; Battery cluster (2P192S): 12 battery packs, 614.4V, 200Ah, 122.88kWh; Voltage range: 537.6 ~ 700.8V; Battery system (2P192S*8): 614.4, 1600Ah, 122.88kWh *8=983.04kWh.
Power Conversion System (PCS)
The energy storage converter equipment adopts a modular design, each module is 62.5KW, and 8 modules can be connected in parallel to form a 500KW energy storage converter. The battery input in the project can use 4 branch inputs, which can minimize the amount of energy between the battery packs.
Energy Management System(EMS)
The EMS system consists of two parts: the bay layer and the station control layer. Spacer: Contains 2 sets of battery compartments and 1 set of inverter booster compartments. Station control layer: composed of NeuEMS system and Beidou time synchronization system.
BMS Configuration
The system is mainly composed of a master control unit (three-level architecture) (BAU), a master control unit (BCU), a slave control unit (BMU) and the corresponding wiring harness.
Air Conditioning System
The entire container is equipped with 2 cabinet air conditioners with a cooling capacity of 7.5KW (1MWh standard container configuration). The top air duct is used to realize the temperature control of the battery system, so that the battery can run stably at a suitable temperature.
Fire Protection System
Since the energy storage system is unattended, a manual-automatic integrated fire-fighting system is adopted in the battery box. The fire protection system is composed of fire alarm controller/gas fire extinguishing control panel, composite gas detector, sound and light alarm, fire extinguishing device, etc.
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