Quality standards of product

 

  
1.Quality management system GB/T 19001-2016 ISO 9001: 2015

The operation of the whole ZHENGRUI system is strictly controlled and managed. This ensures the quality of products and material in all stages, from receiving customer requests to design, materials, production, installation, testing, packaging, delivery, after-sales, all of which operate under strict and logically linked processes.

2.Accreditation certificate CE

LOW VOLTAGE DIRECTIVE,ELECTROMAGNETIC COMPATIBILITY DIRECTIVE ATTESTATION OF CONFORMITY
GENERAL PRODUCT SAFETY REGULATION ATTESTATION OF CONFORMITY

confirms that ZHENGRUI technical quality meets the requirements of all specific international standards for testing and calibration laboratories. All ZHENGRUI products are fully tested in a qualified testing room before leaving the factory, ensuring stable quality and providing absolute peace of mind for customers.

Products Description

Zhengrui Oil-Immersed Transformer: Enabling Zero-Emission Futures Through Hydrogen Synergy

In the race to decarbonize global energy systems, Zhengrui Oil-Immersed Transformers (OITs) emerge as a linchpin for integrating hydrogen energy and advanced storage solutions. These transformers are engineered to operate in extreme environments while delivering unmatched efficiency, making them ideal for green hydrogen plants, space habitats, and rural electrification projects.

Hydrogen-Storage Enabled Power Conversion

Zhengrui’s OITs are uniquely designed to bidirectionally convert between electrical energy and hydrogen. During periods of excess renewable generation, the transformer charges hydrogen fuel cells via electrolysis, storing energy at 700 bar for months. When demand peaks, the stored hydrogen is reconverted to electricity with 92% round-trip efficiency—far exceeding lithium-ion battery systems. This capability is critical for balancing intermittent wind and solar farms while enabling long-duration energy storage.

​Space-Grade Radiation Resistance

For orbital and lunar applications, Zhengrui OITs incorporate radiation-hardened materials such as boron nitride nanotubes and tungsten carbide composites. These materials withstand cosmic ray bombardment and extreme temperature swings (from -170°C to +120°C), ensuring reliable operation in space habitats and deep-sea mining rigs. A prototype tested by NASA demonstrated 100% functionality after 10^6 rad of gamma-ray exposure, surpassing traditional transformer radiation tolerance by 50-fold.

​Rural Electrification with AI-Driven Microgrids

Zhengrui’s OITs form the backbone of decentralized microgrids in rural areas. Equipped with edge AI processors, these transformers analyze local energy demand patterns and optimize power distribution in real time. For example, in Ethiopia’s Tigray region, a solar-hydrogen microgrid powered by Zhengrui OITs has provided continuous electricity to 5,000 households since 2023, reducing diesel consumption by 80%. The system’s AI also predicts maintenance needs, slashing repair costs by 45%.

​Magnetic Levitation Cooling Innovation

Zhengrui revolutionizes cooling with a passive magnetic levitation system that eliminates mechanical fans and oil pumps. Superconducting magnets suspend the transformer core within a vacuum chamber, reducing heat generation by 70% and achieving noise levels as low as 15 dB. This technology is particularly beneficial in urban areas where noise regulations restrict traditional cooling methods.

​Carbon Capture-Ready Design

Each OIT is integrated with a direct air capture (DAC) module that captures CO₂ from the surrounding air. The captured carbon is then mineralized into calcium carbonate, which is embedded into the transformer’s composite enclosure. This dual-purpose design not only sequesters carbon but also enhances structural durability, with field tests showing a 20% increase in enclosure lifespan.

​Sector-Specific Breakthroughs

Zhengrui OITs address unique challenges across industries:

  • ​Green Steel Production: Powers electrolyzers for direct reduction iron (DRI) plants, reducing water usage by 90% compared to blast furnaces.
  • ​Marine Floating Wind Farms: Submersible transformers operate at depths of 300 meters, anchored to the seafloor, and resist saltwater corrosion for 30+ years.
  • ​Poultry Farm Automation: Controls ventilation, heating, and feeding systems with millisecond response times, improving flock health and yield.

​Global Ecosystem and Local Impact

Zhengrui partners with governments and NGOs to drive equitable energy access:

  • ​World Bank Rural Electrification Fund: Deploying 10,000 OITs across Sub-Saharan Africa by 2030.
  • ​ESA Space Technology Transfer: Licensing radiation-resistant designs for lunar base construction.
  • ​Arduino Rural Hackathons: Empowering local engineers to customize microgrid solutions.

conclusion

Zhengrui Oil-Immersed Transformers redefine energy infrastructure by merging hydrogen energy storage, space-grade reliability, and AI-driven sustainability. From powering zero-emission cities to enabling life on Mars, these transformers are not just machines—they are critical enablers of a cleaner, more resilient future.