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SINEXCEL Sirius 135K Debuts at Intersolar Europe 2025

On May 14, 2025, the international exhibition Intersolar Europe witnessed the exciting debut of the Sirius 135K, an advanced energy storage solution designed specifically for commercial and industrial applications, unveiled by SINEXCEL (stock code: 300693.SZ). The new system addresses critical challenges faced by industries, including issues related to adaptability and investment returns.

Addressing Key Challenges

Two major obstacles frequently encountered in commercial energy storage include limited adaptability in connection options and low returns on investment due to high initial costs and varying efficiency. The Sirius 135K has been meticulously designed to offer a solution that is not only capable of addressing these challenges but also provides long-term value for its users.

Global Reach and Standards Compliance

One notable feature of the Sirius 135K is its ability to support network voltages ranging from 208V to 480V across three-phase four-wire systems (3P4W AC). The system meets stringent international certification standards, including UL, IEC, EN, JET, and VDE. This compliance facilitates quicker deployment and significantly reduces research and development costs by up to 25%. The single model is versatile enough for application in various regions, including North America, Europe, and Southeast Asia.

Robust Performance in Diverse Scenarios

The Sirius 135K is designed to operate efficiently even under challenging conditions. It boasts an impressive PCS efficiency of over 98%, outpacing traditional solutions by 1%. Its 3P4W design enables precise control over both active and reactive power, making it particularly suitable for industrial parks with heavy loads. When installed in weak network conditions, the system can utilize virtual impedance and synchronization algorithms that ensure reliable connectivity, even amid harmonics exceeding 25%.

Moreover, up to 100 PCS units can operate in parallel without a grid connection, thanks to the proprietary SINEXCEL communication protocol, allowing for the formation of genuine microgrids.

Sustainable Operation in Remote Areas

For islands lacking grid access, the Sirius 135K is compatible with hybrid configurations, which combine diesel generators with battery energy storage systems (BESS). This integration not only helps reduce fuel expenses but also minimizes overall operating costs and emissions. Additionally, by ensuring stable power supply during significant events, the system effectively manages surges with rapid network creation and seamless power transfer capabilities.

Manufactured to endure ambient temperatures up to 50°C—which is 11% higher than the industry standard—and operating at noise levels below 65 dB, the Sirius 135K is also adapted for harsh environments such as ports and industrial sites with high salinity. Its I65 and C5 protection ratings ensure minimal maintenance is required.

Enhanced Lifecycle Value

Using cutting-edge silicon carbide (SiC) components, the Sirius 135K features a uniquely optimized magnetic structure and a transformer-less architecture, leading to doubled energy density and lowered costs. The integrated Schneider switchgear enhances switching capabilities by over tenfold, significantly boosting system safety and efficiency.

Expansive Applications Beyond Industry

Beyond the commercial and industrial sectors, SINEXCEL also showcased its additional solutions aimed at public utility markets, ranging from a 450 kW PCS system to integrated 10 MW medium voltage containers. These demonstrations, along with breakthroughs in AI data center applications and low-level logistics stations, exhibited the company's commitment to a future powered by electrification.

In conclusion, the launch of the Sirius 135K at Intersolar Europe 2025 marks a significant milestone in energy storage technology, providing businesses with a versatile, efficient, and sustainable solution to meet their energy demands effectively.