DC link, solar power generation integration, expansion of self-consumption
The ECube 215DP is a direct current storage system suitable for integration with solar power generation, featuring a storage capacity of 215.04 kWh. It comes standard with MPPT functionality and DC/DC conversion capabilities, allowing for efficient capture and utilization of power generated from solar panels. It contributes to the expansion of self-consumption of solar power and the effective use of renewable energy. The PV charger is equipped with diagnostic functions such as short-circuit and open-circuit detection of solar panels, as well as degradation prediction. The built-in BMS monitors and manages the battery modules and the entire system, supporting safe and reliable operation. Additionally, it supports a wide range of DC output voltage and multiple communication methods, enabling flexible system configurations with various PCS. It adopts a forced air cooling method, aerosol fire extinguishing equipment, and an IP54 protection design, making it suitable for a wide range of applications including factories, commercial facilities, and multi-unit residences.
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basic information
- Energy storage capacity: 215.04 kWh - Battery type: Lithium Iron Phosphate (LFP) - Cell capacity: 280 Ah - Rated voltage: 768 V DC - Voltage range: 648 to 876 V DC - Depth of discharge (DoD): 100% - Cycle life: 8,000 cycles (80% DoD) - PV input rated power: 160 kW - MPPT operating voltage range: 200 to 850 V DC - MPPT efficiency: 95% or higher - Number of MPPT circuits: 4 - Number of PV array input circuits: 16 - Maximum DC load power: 120 kW - DC output voltage range: 150 to 1,000 V DC - Number of DC output circuits: 3 - Cooling method: Forced air cooling - Protection rating: IP54 - Fire suppression system: Aerosol - Communication method: CAN, RS485 - Operating temperature: -20 to 55°C - Noise level: 65 dB(A) or lower (1m) - Dimensions: W1,251 × D1,200 × H2,325 mm - Weight: Approximately 2,690 kg - Warranty: Basic 1 year (paid extension available for up to 15 years)
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Applications/Examples of results
1. Factories and Manufacturing Facilities Collaborating with solar power generation equipment, stored electricity is utilized for self-consumption. We support energy management based on power usage conditions. 2. Office Buildings and Commercial Facilities Excess solar power generated during the day is stored and utilized during necessary time periods, such as in the evening. This contributes to reducing purchased electricity and effectively utilizing renewable energy. 3. Apartment Complexes By combining solar power generation and storage batteries, electricity usage within the building is optimized. We support the expansion of self-consumption of renewable energy. 4. Facilities with Integrated Solar Power Generation Utilizing MPPT functionality and DC/DC conversion capabilities, solar power generation and storage batteries are linked on the DC side. This enables efficient storage and utilization of generated electricity. *The above are examples of potential applications. Actual implementation effects may vary depending on system configurations such as PCS, installation conditions, and operational methods.
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Company information
RENON POWER Co., Ltd. has been involved in numerous projects in Japan as a storage battery manufacturer, focusing on storage batteries for demand facilities and those integrated with renewable energy. We have extensive experience in the DC link method and can provide consistent support from design and simulation to construction and operation. Currently, we are leveraging the technology and knowledge we have developed to build packages for grid-connected storage batteries and to organize projects.
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