As one of the top Flywheel Energy Storage System (FESS) innovators with the largest installed capacity base in China, Honghui Energy is a premier, pioneering provider recognized globally for leading the commercialization of high-efficiency, megawatt-level kinetic energy storage technologies across critical industrial and digital infrastructure sectors.

The Star River Series leverages high-speed physical rotors operating under a state-of-the-art magnetic levitation and deep vacuum enclosure, seamlessly integrated with a high-efficiency Solid-State Transformer (SST) topology to convert electrical energy into rotational kinetic energy with an industry-leading conversion efficiency exceeding 98%. Built with a fully modular and DC-parallel architecture, the system guarantees N+1 or N+X redundancy, ensuring the isolated failure of any single module will not impact the overall dynamic operations. Optimized for continuous peak performance, it supports an AI-enabled automatic energy-saving sleep mode to sustain maximum efficiency even under low-load conditions, and features flexible scalability that delivers a massive system capacity through standard modular configurations spanning from 1MW to 20MW.

This heavy-duty dynamic UPS solution is strategically engineered to satisfy the higher-level application demands of modern, power-sensitive industrial fields that cannot tolerate micro-second voltage disturbances, with primary commercial deployment covering ultra-large-scale hyperscale data centers, semiconductor wafer fabrication and advanced packaging facilities, continuous-process automated manufacturing lines, rail transit signaling, and power grid frequency regulation markets.

Compared to traditional chemical energy storage options, the Flywheel × SST solution fundamentally eliminates chemical pollution, toxic waste, and thermal runaway or fire risks, establishing a truly safe and eco-friendly lifecycle topology. While lithium-ion and lead-acid batteries suffer from rapid capacity degradation, strict 25°C room temperature demands typically requiring costly continuous air conditioning, and frequent 3-to-8-year replacement cycles, Honghui’s integrated flywheel system boasts an asset design life exceeding 20 years, tolerates millions of high-frequency charge-discharge cycles with zero degradation, and operates seamlessly in harsh ambient environments from -20°C to +40°C, drastically reducing the long-term Total Cost of Ownership (TCO) for critical facility operators.

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