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: Powering Tomorrow’s Standalone Stations​

In an era where energy infrastructure must be resilient, efficient, and adaptable to unconventional environments, ​Zhengrui Electric​ has redefined the role of oil-immersed transformers (OITs) in standalone power stations. Through innovative engineering, Zhengrui’s OITs are transforming how we deliver reliable power in off-grid, hybrid renewable, and mission-critical applications. 

1. Beyond Traditional Limits: Reinvented Core Technologies​

Zhengrui’s OITs break free from conventional designs with ​proprietary core innovations:

  • ​Magnetic Levitation Windings: Eliminate physical contact between conductors and cores, reducing friction losses by 70% and achieving ​ultra-low noise levels​ (≤25 dB).
  • ​Graphene-Reinforced Insulation: Nanomaterials enhance dielectric strength, allowing operation at voltages up to 1.2 times industry standards without material degradation.
  • ​Self-Cooling Dynamics: A vortex-flow induction system circulates coolant passively, reducing energy consumption for cooling by 45% compared to forced-oil systems.

2. Pioneering Applications in Unconventional Environments​

Zhengrui OITs are designed to thrive where others fail:

  • ​Deep-Sea Operations: Submersible transformers withstand pressures up to 10,000 meters, powering underwater data centers and mining rigs with zero maintenance.
  • ​Lunar and Space Missions: Radiation-hardened variants support long-duration space missions, surviving cosmic rays and extreme temperature swings.
  • ​Arctic Research Stations: Passive thermal management systems maintain stable operation in temperatures as low as -150°C without external heating.

3.Intelligent operation and maintenance and closed-loop ecosystem​

Zhengrui integrates ​AIoT ecosystems​ to create self-sustaining power networks:

  • ​Autonomous Energy Governance: Digital twins simulate grid behavior, optimizing energy flow between renewables, batteries, and diesel generators in real time.
  • ​Carbon-Neutral Operation: Blockchain-based tracking ensures 100% renewable energy usage, with certificates issued for net-zero operations.
  • ​Zero-Waste Lifecycle: From raw material sourcing to Scrap disposal, every stage adheres to circular economy principles, achieving a 98% recycling rate.

4. Strategic Partnerships for Disruptive Innovation​

Zhengrui collaborates with industry leaders to push boundaries:

  • ​Hydrogen-Powered Synergy: Combined with green hydrogen generators, OITs enable emission-free peak-load power for industries like steelmaking.
  • ​Quantum Computing Integration: Quantum sensors monitor transformer health in real time, predicting failures with 99.99% accuracy.
  • ​Space-Based Power Beams: Tested in collaboration with aerospace firms, OITs rectify microwave beams from orbiting satellites, providing wireless power to remote regions.

5. Economic and Scalable Value Propositions​

Zhengrui’s OITs deliver unparalleled financial and operational benefits:

  • ​Rapid ROI: Energy savings alone offset initial costs within 2–3 years, even for small-scale deployments.
  • ​Modular Upgrades: Plug-and-play “energy blocks” allow capacity expansions in 15 minutes, adapting to energy demand growth.
  • ​Global Compliance: Meets strictest standards including IEEE C57.12.90 (fire safety) and IEC 62476 (EMC immunity).

6. Unique Selling Points Against Alternatives​

While dry-type transformers dominate indoor markets, Zhengrui OITs offer decisive advantages for standalone stations:

  • ​Density Leadership: Deliver 1,500 kVA in a lunchbox-sized enclosure, 70% smaller than conventional models.
  • ​Fire-Proof Assurance: Multi-stagebarriers prevent thermal runaway, certified for use in Class 1 Div. 2 hazardous areas.
  • ​Sustainability Benchmark: Bio-based coolants and carbon-negative manufacturing earn ​B Corp​ certification for environmental leadership.

Conclusion​

Zhengrui oil-immersed transformers are not just power delivery devices—they are strategic enablers of a decentralized, sustainable energy future. By merging nanotechnology, AIoT, and extreme-environment engineering, they empower operators to build self-sufficient, resilient power systems that transcend traditional limitations. As the energy landscape evolves, Zhengrui’s OITs will remain at the forefront of innovation, delivering power where it’s needed most—now and for generations to come.