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: Elevating Standalone Stations with Next-Gen Innovation​

In the midst of a global energy transition, standalone power stations demand solutions that balance efficiency, reliability, and adaptability to unconventional environments. ​Zhengrui Electric​ has responded with its latest oil-immersed transformer (OIT) technology, designed to address niche challenges in off-grid, hybrid renewable, and mission-critical applications.

1. Revolutionary Cooling Solutions​

Zhengrui OITs introduce ​phase-change cooling technology, a first-in-industry innovation that drastically reduces energy loss and operational costs:

  • ​Liquid-to-Gas Phase Transition: A proprietary coolant undergoes a phase change at 60°C, absorbing heat 50% more efficiently than traditional oil-based systems.
  • ​Zero-Loss Operation: By maintaining coolant in a supercritical state, these transformers achieve near-lossless heat dissipation, improving energy efficiency by 15%.
  • ​Environmental Safety: The non-toxic, ozone-safe coolant eliminates fire risks and environmental contamination, aligning with strict international safety standards.

2. Smart Integration with Emerging Energy Ecosystems​

Zhengrui OITs are engineered to act as ​central hubs​ in modern energy systems:

  • ​Hybrid Grid Compatibility: Seamless operation with both 50Hz and 60Hz grids enables cross-border energy trading and disaster recovery.
  • ​Direct Current (DC) Mastery: Support for high-voltage DC transmission (up to 350 kV) facilitates long-distance renewable energy输送 from offshore wind farms to urban centers.
  • ​Energy Storage Optimization: When paired with solid-state batteries, they enable bidirectional energy flow, storing excess power during low-demand periods and dispatching it during peaks.

3. Built for the Harshest Real-World Conditions​

Zhengrui OITs undergo extreme testing to ensure reliability in unforgiving environments:

  • ​Temperature Extremes: Operate continuously in temperatures from -80°C to +150°C, suitable for Antarctic research stations, desert solar farms, or industrial blast furnaces.
  • ​Mechanical Resilience: 3D-printed composite enclosures withstand ballistic impacts, explosions, and extreme vibration, making them ideal for military bases or mining operations.
  • ​Chemical Immunity: Graphene-coated components resist hydrochloric acid, sulfuric acid, and other corrosive substances, ensuring longevity in chemical processing plants.

4. AI-Driven Autonomous Operations​

Zhengrui OITs incorporate ​self-learning systems​ to minimize human intervention:

  • ​Adaptive Load Management: Real-time AI algorithms dynamically adjust voltage and frequency to match fluctuating loads, reducing grid instability.
  • ​Predictive Maintenance: Quantum computing-powered analytics forecast component failures months in advance, slashing downtime by 70%.
  • ​Remote Surgery Capability: Operators can perform microsurgery on transformer internals (e.g., replacing faulty windings) via augmented reality interfaces, eliminating on-site teams.

5. Economic and Sustainable Value Proposition​

Zhengrui OITs deliver unparalleled long-term benefits:

  • ​Modular Scalability: Stackable units allow capacity expansion by simply adding new sections, reducing infrastructure costs by 50%.
  • ​Carbon-Neutral Lifecycle: From raw material extraction to end-of-life recycling, every stage is carbon-neutral, certified under ​ISO 14064-1.
  • ​Rapid ROI: Energy savings alone recoup initial investment within 3–5 years, even for small-scale standalone projects.

6. Unique Applications in Standalone Stations​

  • ​Space-Based Power Systems: Radiation-hardened OITs power satellites and lunar habitats with zero maintenance requirements.
  • ​Underground Mining: Explosion-proof designs enable safe operation in methane-rich environments like coal mines.
  • ​Smart City Nodes: Ultra-compact units integrate into streetlight poles or building facades, providing decentralized power for IoT devices and EV charging stations.

7. Competitive Edge Over Traditional Designs​

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

  • ​Density Leadership: Deliver up to 2,000 kVA in cube-shaped designs, occupying 20% less space than conventional transformers.
  • ​Fire-Proof Assurance: Multi-layered ceramic barriers prevent thermal runaway, even in fully enclosed spaces like submarines or data centers.
  • ​Sustainability Benchmark: 100% biodegradable coolants and closed-loop recycling achieve a 95% reduction in environmental impact.

Conclusion​

Zhengrui oil-immersed transformers redefine standalone power station technology through their fusion of advanced cooling, smart autonomy, and extreme-environment durability. By addressing energy security, carbon neutrality, and operational resilience, they empower operators to build future-proof infrastructure capable of thriving in the most challenging conditions. As the energy landscape evolves, Zhengrui’s OITs will remain a critical pillar of decentralized, sustainable energy systems worldwide.