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110kV Oil Immersed Transformer

The 110kV Oil Immersed Transformer delivers high-efficiency power distribution with ultra-low losses, minimal noise, and exceptional short-circuit resistance. Engineered for harsh environments, it ensures reliable performance with a maintenance-free sealed design.

  • Exceeds national standards: 10% lower no-load losses & 5% reduced load losses
  • Ultra-quiet operation: Noise levels consistently below 60dB
  • Robust construction: Fully sealed against moisture/leakage with IP2X protection
  • Wide applications: Ideal for urban grids, power plants, rail systems, and industrial complexes
  • Maintenance-free: Sealing components match transformer lifespan (63,000kVA max capacity)
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    Product Overview

    As a premier manufacturer and global supplier, we engineer the 110kV oil immersed transformer to deliver unparalleled power distribution efficiency. Designed for large-scale energy infrastructure, this high-performance unit guarantees operational stability while significantly lowering energy expenditure. Sourcing directly from a trusted supplier ensures superior build quality, seamless integration, and direct technical support for your volume orders.

    • Advanced insulation materials for extended operational lifespan
    • Ultra-low acoustic footprint during continuous operation
    • Exceptional short-circuit resistance for grid security
    • Fully sealed architecture preventing moisture ingress

    Product Description

    The 110kV oil immersed transformer stands as a monumental achievement in modern electrical engineering, presenting a robust, metallic exterior coated in a highly durable, weather-resistant finish that feels smooth yet impenetrable to the touch. When operating at full capacity, it emits a barely perceptible, steady hum, a testament to its precision-engineered core and superior acoustic dampening materials. The distinct, clean scent of premium-grade dielectric oil remains securely contained within its hermetically sealed corrugated tank, ensuring zero environmental contamination and absolute internal purity.

    110kV Oil Immersed Transformer high-performance power distribution exterior

    Beyond its imposing physical presence, this distribution powerhouse directly addresses the most pressing challenges faced by modern grid operators. By mitigating energy loss during transmission, it dramatically reduces overhead costs and maximizes revenue generation for large-scale energy projects. The meticulously crafted internal architecture ensures that voltage regulation remains flawless even under fluctuating load conditions, providing uninterrupted, clean power to critical infrastructure. Every welded seam and reinforced structural component is designed to withstand extreme mechanical stress, offering facility managers absolute peace of mind and eliminating the disruptive downtime associated with lesser equipment.

    Product Specifications

    Precision engineering requires exact specifications to ensure seamless integration into complex electrical grids. The technical parameters outlined below represent the foundational capabilities of our 110kV oil immersed transformer. These specifications are meticulously calibrated to meet the rigorous demands of heavy-duty power distribution, ensuring that every unit deployed delivers consistent, measurable results. Facility planners and electrical engineers can rely on these exact figures to calculate load distributions, plan substation layouts, and integrate the unit into existing high-voltage networks. The standardized connection groups and protection levels guarantee compatibility with modern safety protocols and grid requirements.

    Rated Capacity 6300-63000kVA
    Primary Voltage 110kV, 121kV
    Secondary Voltage 6.3kV, 10.5kV, 35kV
    Connection Group YNd11
    Protection Level IP2X

    Key Features & Highlights

    Engineering excellence is defined by the tangible benefits a product brings to its operational environment. Our 110kV oil immersed transformer is packed with innovative features that directly translate into operational superiority, reduced overhead, and enhanced safety. By focusing on the critical pain points of high-voltage transmission, we have developed a solution that outperforms conventional alternatives across every measurable metric.

    • Drastically Reduced Losses: Engineered to operate with no-load losses exceeding 10% below national benchmarks, and load losses reduced by over 5%, translating directly to massive energy savings.
    • Whisper-Quiet Operation: Utilizing advanced core-stacking techniques, the acoustic output is suppressed to below 60dB, making it perfectly suited for installations near residential or noise-sensitive urban zones.
    • Hermetically Sealed Integrity: The fully enclosed tank design completely eradicates the risk of oil leakage and moisture penetration, preserving the dielectric strength of the insulation fluid indefinitely.
    • Unyielding Short-Circuit Defense: Rigorously tested to withstand national-level short-circuit events, safeguarding your broader electrical network from catastrophic cascading failures.
    • Zero-Maintenance Architecture: Premium sealing components are engineered to match the entire lifecycle of the transformer, virtually eliminating the need for routine physical interventions.

    Core Performance & Energy Efficiency

    Long-term financial viability in power distribution hinges on minimizing energy waste. This transformer is meticulously calibrated to deliver industry-leading energy efficiency, directly impacting the bottom line of large-scale operations. By optimizing the magnetic flux path and utilizing superior conductive materials, we have created a system that maximizes power throughput while keeping operational expenses at an absolute minimum.

    • Exceptional No-Load Efficiency: The advanced core design minimizes hysteresis and eddy current losses, ensuring that even during idle periods, the financial drain is negligible.
    • Optimized Load Performance: High-purity conductive windings reduce electrical resistance, ensuring that maximum power reaches the intended destination without being lost as heat.
    • Ultra-Low Partial Discharge: Engineered to maintain partial discharge levels well below 100pC, significantly extending the lifespan of the insulation system and preventing premature degradation.
    • Eco-Conscious Operation: By maximizing energy transfer efficiency, this unit reduces the overall carbon footprint of your power infrastructure, aligning with modern environmental sustainability goals.

    Structural Craftsmanship & Core Materials

    The longevity and reliability of high-voltage equipment are fundamentally dictated by the quality of its constituent materials. We source only the finest raw components, applying advanced manufacturing techniques to assemble a transformer that withstands the test of time. From the molecular structure of the insulation to the precise alignment of the core, every element is chosen for maximum durability.

    • Cold-Rolled Oriented Silicon Steel: The core is constructed from premium silicon steel using a step-lap stacking method, which dramatically reduces magnetic leakage and operational vibration.
    • High-Purity Windings: Utilizing oxygen-free conductive materials ensures superior electrical conductivity, minimizing thermal stress and maximizing the unit's capacity to handle heavy loads.
    • Advanced Hybrid Insulation: Incorporating state-of-the-art insulation paper combined with high-grade dielectric fluids creates a thermal barrier that resists degradation even under extreme temperature fluctuations.
    • Robust Tank Construction: The corrugated metallic housing is precision-welded to absorb internal pressure changes dynamically, preventing structural fatigue over decades of continuous use.

    Safety & Short-Circuit Resistance

    Grid security is an uncompromising priority. A single failure can lead to catastrophic damage and massive financial loss. This transformer is engineered as a fortress of electrical safety, designed to absorb, mitigate, and survive the most severe grid anomalies. Our rigorous approach to safety ensures that your infrastructure remains protected against unpredictable electrical surges.

    • Proven Short-Circuit Resilience: Validated through exhaustive national-level testing, the internal bracing structure prevents winding deformation during sudden, massive current spikes.
    • Integrated Leak Prevention: The seamless integration of high-quality acrylic seals and a unibody tank design guarantees that the internal dielectric fluid remains uncontaminated and securely contained.
    • Fire Hazard Mitigation: By preventing oxygen and moisture from interacting with the internal oil, the risk of spontaneous combustion or explosive failure is completely neutralized.
    • Structural Rigidity: Heavy-duty clamping mechanisms secure the active part of the transformer, ensuring that mechanical vibrations during fault conditions do not compromise the insulation integrity.

    Cooling System & Environmental Adaptability

    Power distribution networks traverse some of the most unforgiving environments on the planet. Whether situated in sweltering coastal regions or freezing high-altitude plains, this transformer maintains optimal thermal equilibrium. Our advanced thermal management systems ensure that high-capacity loads do not result in dangerous overheating, preserving the integrity of internal components.

    • Dynamic Thermal Management: The highly efficient cooling radiators naturally dissipate heat, maintaining safe internal temperatures even during peak demand cycles.
    • Extreme Climate Resilience: Coated with advanced anti-corrosive treatments, the exterior shell easily withstands heavy salt spray, high humidity, and intense UV exposure without degrading.
    • High-Altitude Reliability: Engineered to prevent dielectric breakdown in thin air, making it an ideal solution for mountainous installations and remote high-elevation substations.
    • Overload Capacity: The superior cooling architecture allows for safe, temporary overloading during grid emergencies, providing critical flexibility when power demands unexpectedly surge.

    Intelligent Protection & Accessories

    Modern substations require equipment that actively communicates its operational status. We have equipped this transformer with a suite of sophisticated monitoring and protection accessories, transforming it from a passive component into an intelligent node within your power network. These integrated safeguards provide early warnings and automated responses to potential internal faults.

    • Buchholz Relay Integration: Instantly detects the accumulation of internal gases, providing immediate alerts for nascent faults before they escalate into critical failures.
    • Precision Pressure Relief: Automated valves safely vent excess internal pressure, preventing tank ruptures during sudden thermal or electrical anomalies.
    • Moisture Control Breathers: High-capacity silica gel breathers actively strip moisture from any air entering the system, ensuring the dielectric oil remains perfectly dry and effective.
    • Intelligent Temperature Monitoring: Advanced sensors continuously track oil and winding temperatures, allowing facility operators to optimize load distribution based on real-time thermal data.
    • Oil Purification Compatibility: Designed to seamlessly integrate with external oil purification systems, ensuring the dielectric fluid maintains its peak performance characteristics over decades.

    Customization & Application Adaptability

    No two energy projects are exactly alike. Recognizing the diverse needs of large-scale infrastructure, we offer extensive customization options to ensure perfect alignment with your specific technical requirements. From urban centers to remote industrial complexes, this transformer is tailored to integrate seamlessly into your unique operational ecosystem.

    • Scalable Capacity Options: Available in a broad range of rated capacities from 6300kVA up to 63000kVA, perfectly matching the load requirements of any facility.
    • Versatile Voltage Ratios: Customizable primary and secondary voltage configurations ensure flawless synchronization with existing regional power grids.
    • Broad Industry Application: Specifically optimized for deployment in thermal power generation plants, expansive urban grids, heavy mining operations, and cutting-edge renewable energy farms.
    • Flexible Tap Changing: Configurable with highly responsive tap changers, granting operators the precise level of voltage control required for their specific network dynamics.

    Maintenance & Life-Cycle Cost

    The true cost of high-voltage equipment is measured over decades, not just at the point of acquisition. By fundamentally engineering out the need for constant human intervention, we dramatically lower the total cost of ownership. This maintenance-free philosophy frees up your engineering resources and guarantees a higher return on your infrastructure investment.

    • Lifecycle-Matched Components: Every seal, gasket, and valve is rigorously tested to outlast the operational life of the transformer itself, eliminating routine replacement cycles.
    • Reduced Downtime: The inherent reliability of the fully sealed design means fewer planned outages for inspection, keeping your power flowing and your operations profitable.
    • Simplified Visual Inspections: Strategically placed, highly visible gauges and indicators allow maintenance teams to verify operational health in seconds without invasive procedures.

    Certifications & Factory Testing

    Trust in critical infrastructure must be backed by empirical evidence and global standards. Every single unit that leaves our manufacturing facility undergoes a punishing battery of tests to verify its performance under extreme stress. We provide comprehensive documentation to prove that your equipment meets the highest echelons of international quality and safety.

    • Comprehensive Factory Acceptance Testing: Each unit is subjected to rigorous lightning impulse, temperature rise, and partial discharge tests before approval for deployment.
    • Global Quality Standards: Manufactured under strictly audited quality management systems, ensuring absolute consistency and reliability across every production batch.
    • Documented Performance Metrics: Detailed, transparent test reports accompany every delivery, providing your engineering team with exact baseline data for future reference.
    • Environmental and Safety Compliance: Built in facilities that prioritize occupational health and environmental management, ensuring your supply chain remains ethical and compliant.

    Why Choose Us

    Selecting the right manufacturing partner is just as critical as selecting the right equipment. As a dedicated supplier of high-voltage solutions, we bring decades of specialized engineering expertise directly to your project. We bypass unnecessary intermediaries, providing you with direct access to our technical teams, streamlined logistics, and unparalleled post-installation support.

    • Direct Manufacturer Access: Communicate directly with the engineers who designed your equipment, ensuring rapid resolution of technical queries and seamless project execution.
    • Robust Supply Chain: Our streamlined production and logistics networks guarantee on-time delivery for high-volume orders, keeping your construction schedules strictly on track.
    • Unwavering Quality Control: From the inspection of raw materials to the final coat of weather-resistant paint, our internal quality audits exceed industry norms.
    • Comprehensive Lifecycle Support: We stand behind our products with extensive warranties and dedicated technical assistance, ensuring your investment is protected for decades.

    Frequently Asked Questions (FAQ)

    How does the fully sealed design impact the longevity of the dielectric fluid?

    The hermetically sealed corrugated tank completely isolates the internal environment from the atmosphere. By preventing the ingress of oxygen and ambient moisture, the dielectric oil is protected from oxidation and chemical degradation, maintaining its optimal insulating properties for the entire lifespan of the equipment.

    Can this transformer be safely deployed in high-altitude environments?

    Yes, the unit is engineered to accommodate the unique challenges of high-altitude installations. The external insulation distances and cooling mechanisms are specifically calibrated to compensate for the lower air density, preventing dielectric breakdown and ensuring efficient heat dissipation.

    What specific measures are taken to reduce the operational noise levels?

    We utilize premium cold-rolled oriented silicon steel for the core, assembled using an advanced step-lap technique. This precise construction minimizes magnetic flux leakage and magnetostriction, significantly dampening mechanical vibrations and keeping acoustic emissions well below 60dB.

    How does the transformer handle sudden short-circuit events on the grid?

    The internal architecture features heavy-duty mechanical bracing and high-tensile clamping structures. During a short-circuit fault, these reinforcements prevent the massive electromagnetic forces from deforming the windings, ensuring the unit survives the surge without structural or electrical failure.

    What are the primary advantages of the integrated Buchholz relay?

    The Buchholz relay acts as a critical early-warning system. It detects the presence of abnormal gas accumulation caused by minor internal arcing or insulation breakdown. By alerting operators to these nascent issues, it prevents minor faults from developing into catastrophic equipment failures.

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     Telephone: +86-191-3128-5373
    WhatsApp: +8619131285373
     Email: info@bdzstransformer.com
     Address: No. 6799, North Third Ring Road, Jingxiu District, Baoding City, Hebei Province
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