Selection: RENON 233kWh Liquid-Cooled Energy Storage System
Rationale: The RENON 233kWh liquid-cooled system was chosen for its integration of liquid-cooled battery modules, cooling units, BMS, modular PCS, and an on-site EMS monitoring system. A configuration of 16 units forms an array, equipped with an AC distribution cabinet that includes the power distribution system, ATS, and station-level EMS.
Benefits: This setup provides efficient energy storage and management, ensuring reliable performance and flexibility in meeting the community s energy demands.
Advantage: The integrated design optimizes space, simplifies maintenance, and enhances system reliability and operational efficiency.
Selection: 2MW Photovoltaic System
Rationale: A 2MW photovoltaic system was configured based on an effective daily generation of 5 hours. This system provides 1.2MW of power for community use, with the remaining 800kW stored in batteries.
Benefits: The solar power system reduces reliance on external electricity sources, lowers energy costs, and maximizes the use of clean energy.
Advantage: The 2MW photovoltaic array efficiently utilizes solar resources to ensure a sustainable and cost-effective power supply.
Selection: Integrated STS and ATS Functionality
Rationale: The STS (Static Transfer Switch) and ATS (Automatic Transfer Switch) functionalities were integrated into the power distribution system to simplify the architecture and enhance overall efficiency and response time. This allows seamless switching between solar, battery, and diesel generators without additional hardware.
Benefits: The integrated design reduces installation costs and potential points of failure while improving system response speed.
Advantage: By integrating STS and ATS, the system achieves faster switching, higher reliability, and optimized performance.
Battery Storage System | ||||||
| Cell Type | Module Combination | System Combination (Modules) | Capacity (kWh) | Nominal Voltage (V) | Operation Voltage Range (Vdc) | Discharge Depth |
| LFP 3.2V / 280AH | 1P52S | 5 in series | 233 | 832 | 761~923 | 90% DoD |
AC Output | ||||||
| Rated AC Output Power(kW) | Max. AC Output Power(kVA) | Rated Output Voltage(Vac) | Output Voltage Range(Vac) | Rated Grid Frequency(Hz) | Max. Output Current(A) | Adjustable Power Factor |
| 125 | 137.5 | 480 | -15%~+10%(settable) | 60(settable) | 165.4 | >0.99 |
The liquid cooling system ensures effective heat management, maintaining battery cell temperature variance within 4 degrees, extending battery life. It is more energy-efficient than traditional air cooling, maximizing the return on investment for the entire system.
The advanced AC distribution system supports up to 16 units of 233kWh in AC coupling per array, managed by a station-level EMS. Integrated ATS (Automatic Transfer Switch) and STS (Static Transfer Switch) functionalities within the PCS simplify architecture, enhancing efficiency and response time.
The system features a 233kWh configuration with integrated 46kWh liquid-cooled lithium-ion battery modules and a 125kW Power Conversion System (PCS) for optimal energy storage and conversion. An intelligent Energy Management System (EMS) provides remote monitoring and efficient energy dispatch.
Optimize operations with intelligent energy management and a remote monitoring platform, providing real-time system insights. Smart diagnostic tools simplify troubleshooting, increase availability, and reduce maintenance costs.
Ensure uninterrupted and stable power supply with integrated ATS STS, and enhance overall system reliability with precise liquid cooling to prevent battery overheating.
Reduce electricity expenses with solar self-consumption and energy storage, while smart dispatch minimizes diesel generator use, saving on fuel costs and lowering operational expenses.
