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High-Capacity 35kV Class Distribution Transformer from China Suppliers - Reliable Factory for Utility Applications

The 35kV Class Distribution Transformer is a high-capacity, oil-immersed solution designed specifically for medium-voltage distribution networks. Manufactured in China, this transformer utilizes advanced core materials and a reinforced structure to ensure optimal performance. With its optimized insulation, it provides low energy losses and minimal noise, while exhibiting strong short-circuit resistance. This makes it an ideal choice for utility, industrial, and infrastructure applications. As a leading factory and supplier, we guarantee reliable, long-term operation of our distribution transformers, meeting the rigorous demands of various applications
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    Product Details

    Product Parameter

    Parameter Specification
    Rated Voltage 35kV
    Rated Capacity 3150kVA – 31500kVA
    Secondary Voltage 6.3kV / 6.6kV / 10.5kV / 11kV
    Frequency 50Hz
    Tap Range ±5% or ±2×2.5%
    Connection Group Yd11 / YNd11
    Cooling Method ONAN / ONAF
    Insulation Class Class F / H
    Impedance Voltage 7% – 10%
    No-Load Loss Optimized low-loss performance
    Load Loss (75℃) High-efficiency design
    Short-Circuit Strength Reinforced mechanical structure
    Standards IEC 60076 / GB1094 / GB/T6451 / GB20052

    Product Applications

    Utility Grid Expansion and Power Distribution Networks
    The 35kV Class Distribution Transformer is widely used in utility grid expansion projects and regional substations. It efficiently steps down voltage from 35kV to medium voltage levels (6–11kV), supporting stable transmission across urban and rural networks. With capacities up to 31.5MVA, it helps utilities reduce energy losses by approximately 10%–15%, improving overall grid efficiency and reliability.
    High-Load Industrial Facilities and Manufacturing Plants
    This transformer is ideal for heavy-duty industrial applications such as steel plants, mining operations, and petrochemical industries. It is designed to operate continuously under high-load conditions and can handle short-term overloads of up to 120% capacity. Its strong short-circuit resistance ensures system stability, even during sudden load changes or fault conditions in demanding production environments.
    Large Infrastructure and Renewable Energy Integration Projects
    The transformer is extensively used in large infrastructure projects such as airports, railways, ports, and renewable energy systems like wind farms and solar power plants. It provides stable voltage output under fluctuating loads and environmental conditions. Designed to operate in temperatures ranging from -40°C to +45°C, it ensures reliable performance in outdoor and remote installations.

    Product Advantages

    High-Efficiency Core Design
    High-Efficiency Core Design
    Reduces no-load loss and improves overall energy performance
    Reinforced Structural Framework
    Reinforced Structural Framework
    Enhances mechanical strength and resistance to transport impact
    Superior Short-Circuit Resistance
    Superior Short-Circuit Resistance
    Designed to withstand electrical and mechanical stresses
    Low Noise Operation
    Low Noise Operation
    Optimized structure minimizes vibration and acoustic levels
    Wide Capacity Range
    Wide Capacity Range
    Supports up to 31.5MVA, suitable for large-scale power systems
    Extended Service Life
    Extended Service Life
    Designed for over 30 years of reliable operation

    Key Benefits

    The 35kV Class Distribution Transformer is a reliable, high-capacity, and energy-efficient power distribution unit designed for modern medium-voltage networks. Its advanced engineering, strong durability, and low-loss performance make it suitable for utility grids, industrial facilities, and infrastructure projects.

    With long operational life, stable performance, and compliance with international standards, it provides a dependable and cost-effective choice for demanding power distribution applications.

    high efficiency 35kv oil immersed power transformer

    FAQ

    What voltage levels can this transformer handle on the secondary side?

    It typically supports secondary voltages such as 6.3kV, 6.6kV, 10.5kV, and 11kV depending on system requirements.

    How does this transformer perform under overload conditions?

    It can handle short-term overloads up to around 120% while maintaining operational stability.

    What industries typically require 35kV transformers?

    Industries such as utilities, mining, heavy manufacturing, and infrastructure projects commonly use this voltage class.

    Can it operate in extreme environmental conditions?

    Yes, it is designed to perform reliably in a wide temperature range and harsh outdoor environments.

    What design features improve reliability?

    Reinforced clamping structure, high-quality insulation materials, and optimized core design all contribute to enhanced reliability and durability.

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