Quality standards of product








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: Superconducting Breakthroughs for Next-Gen Power
In an era where energy density and grid efficiency are critical, Zhengrui Oil-Immersed Transformers (OITs) redefine power distribution through the integration of high-temperature superconducting (HTS) materials. These transformers push the boundaries of conventional technology, offering unparalleled energy density, zero resistive losses, and compact designs to meet the demands of urbanization, smart grids, and heavy industry.
HTS Core Revolution
Zhengrui’s OITs utilize rare-earth barium copper oxide (REBCO) superconducting cores, which eliminate resistive losses entirely when cooled below -170°C. This results in 99.99% energy efficiency, a leap from traditional transformers’ 95-98% efficiency. The HTS cores also enable ultra-high power density, allowing for transformers weighing just 10% of conventional models yet delivering 10 times the output. For example, a 1MVA HTS transformer occupies less than 0.5m³—small enough to fit inside standard shipping containers.
Dynamic Load Management with AI
Each OIT is paired with an AI-driven energy management system that learns consumption patterns in real time. By leveraging historical data and live grid conditions, the system dynamically adjusts power distribution, reducing peak loads by 30-40%. During grid instability, the transformer can instantaneously divert power to critical infrastructure, such as hospitals or data centers, acting as a decentralized “power buffer.”
Zero-Loss Energy Storage Synergy
Zhengrui OITs are designed to work seamlessly with cryogenic energy storage systems. Excess energy is stored as liquid hydrogen or liquid nitrogen at -270°C, maintaining near-perfect energy retention. When demand peaks, the stored energy is converted back to electricity with zero losses, creating a highly efficient “round-trip” energy cycle. This capability is particularly valuable for renewables-heavy grids struggling with intermittency.
Ultra-Compact and Space-Optimized Design
The transformers’ compact form factor stems from two innovations:
- 3D-Printed Laminar Coils: These coils use HTS wires arranged in a honeycomb pattern, reducing volume by 50% while maintaining structural integrity.
- Magnetic Field Shielding: A mu-metal enclosure cancels external magnetic interference, enabling safe deployment in close proximity to sensitive equipment like MRI machines or communication arrays.
This miniaturization opens new opportunities in urban areas, such as integrating multiple transformers into a single underground vault or installing them directly inside buildings.
Resilience Against Climate Challenges
Zhengrui OITs incorporate climate-adaptive features to thrive in extreme environments:
- Self-Cooling Nanofluids: Suspended graphene particles in the insulating oil enhance heat dissipation by 300%, eliminating reliance on external cooling systems.
- Flood-Proof Enclosures: Hermetically sealed designs with hydrophobic coatings protect against rising sea levels and torrential rains, crucial for coastal infrastructure.
- UV-Resistant Coatings: Polyurethane layers prevent degradation from prolonged sun exposure, ensuring longevity in desert regions.
Industrial and Commercial Use Cases
Zhengrui OITs address specialized needs across sectors:
- Electric Aviation: Lightweight variants power hybrid-electric aircraft, reducing fuel consumption by 20%.
- Data Centers: Ultra-low-noise models (≤20 dB) prevent electromagnetic interference with hyperscale servers.
- Heavy Industry: High-voltage HTS transformers drive induction furnaces and plasma cutters, doubling energy efficiency for steel mills.
Sustainability and Circular Economy
Zhengrui prioritizes eco-friendly practices:
- Recyclable Cryogens: Liquid nitrogen and hydrogen storage systems are 100% reclaimable, minimizing waste.
- Biodegradable Coolants: Plant-based oils decompose naturally, avoiding environmental contamination.
- Carbon Footprint Tracker: A blockchain-based platform monitors the product’s lifecycle emissions, supporting carbon credit claims.
Why Zhengrui Leads in HTS Innovation
Beyond technology, Zhengrui offers strategic advantages:
- Collaborative R&D: Partnerships with CERN and MIT focus on next-gen HTS materials and cooling systems.
- Fast-Deployment Kits: Pre-engineered modules allow for 72-hour installation in critical infrastructure projects.
- Global Service Network: 200+ certified technicians provide 24/7 support, including remote HTS system diagnostics.
conclusion
Zhengrui Oil-Immersed Transformers represent a quantum leap in power distribution. By merging HTS materials with AI-driven intelligence and climate-resilient engineering, they deliver solutions that are not only efficient but also future-proof. From powering zero-emission cities to enabling advanced manufacturing, these transformers chart a new course for sustainable energy infrastructure.