NEWS INFORMATINO
Industry-leading! YunNeng Magic Cube's 200kW string-type PCS is the first to pass the new national standard inspection and certification.
Published:2024-06-26
Recently, the Yuneng Magic Cube 200kW string-type energy storage inverter successfully passed the Cape Testing product inspection, marking that the product meets the latest national PCS standards in terms of performance, safety, and functional design. This is yet another innovative product from Yuneng Magic Cube to complete inspection and certification this year—following the 215kWh distributed liquid-cooled energy storage cabinet, the 418kWh distributed liquid-cooled energy storage cabinet, the PES commercial & industrial integrated solar-plus-storage system, and the EFC energy-storage-enabled EV charging station—all of which were certified earlier in the first half of the year. To date, Yuneng Magic Cube has secured certification from a nationally recognized authority for 11 core devices and systems developed entirely in-house.
This test was conducted in accordance with the latest national standards GB/T 34120-2023 and GB/T 34133-2023, evaluating the energy storage converter across nearly 60 inspection categories—covering safety, grid connection performance, electromagnetic compatibility, and environmental adaptability—in a multi-dimensional manner. All test results met the requirements of the new national standards. Notably, the converter performed exceptionally well in the more stringent test items specified in the new standards, such as primary frequency regulation and inertia response.
The Yuneng Magic Cube 200kW energy storage inverter is the industry’s first modular energy storage inverter that adopts the "3+N Design Concept," seamlessly integrating a "PCS module + BMS unit + AC/DC distribution unit" into a minimalist, compact design. Its internal configuration of AC/DC circuit breakers and the BMS unit significantly saves cabinet space while eliminating the need for a high-voltage box inside the energy storage cabinet. This innovative solution delivers a brand-new cluster-level optimization approach for large-capacity distributed energy storage systems, helping to reduce overall system costs. The product leverages string-based, three-level topology technology to efficiently enable bidirectional energy conversion, achieving industry-leading peak conversion efficiency. It also features high-precision control and rapid response—delivering power response times as fast as under 10 milliseconds—while demonstrating exceptional grid compatibility, ensuring users enjoy a stable and reliable operational experience. Additionally, the inverter supports a three-phase three-wire system, making it suitable for off-grid applications. It allows for flexible expansion through multi-unit AC/DC parallel operation, enabling seamless scalability. In terms of functionality, the device fully supports advanced modes such as VSG mode, multi-institution grid connection mode, off-grid V/F output, black start capability, and high-speed virtual power plant control—providing users with versatile and robust performance options.
The energy storage converter is one of the core components of an energy storage system, playing a critical role in ensuring the safety and stability of its operation. Leveraging over 20 years of R&D and application experience in the power industry, as well as its leading role in drafting the national standard for "Energy Storage Converter Technical Specifications," Yuneng Magic Cube has consistently prioritized continuous investment in core technologies and maintained independent research and development as well as in-house production of key system components—strategically building its unique competitive edge. This time, the company’s 200kW energy storage converter became the first to pass inspection and certification by Kep Lab, further demonstrating Yuneng Magic Cube’s rapid pace of innovation and cutting-edge R&D capabilities.
Strive further, even from the pinnacle! Yuneng Magic Cube will continuously enhance its self-developed and self-produced capabilities for core system equipment, leveraging robust R&D strength and impeccable product quality to earn greater user trust and market recognition.
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