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Compact High-Accuracy 11kV Dry-Type Voltage Transformer for Medium-Voltage (3).jpg

High-Precision 11kV Dry-Type Voltage Transformer from China - Trusted Suppliers & Factory for Medium-Voltage Solutions

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Introducing the 11kV Dry-Type Voltage Transformer, a precision instrument designed for accurate voltage measurement and protection in medium-voltage systems. Manufactured in China using advanced epoxy resin casting technology, this voltage transformer delivers exceptional insulation, minimal partial discharge, and reliable performance. As a trusted product from leading suppliers and manufacturers in the industry, it is ideal for indoor switchgear, substations, and various industrial power systems that demand robust voltage monitoring solutions. Enhance your electrical infrastructure with our high-quality voltage transformer from a reputable factory dedicated to excellence.

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    Product Details

    Product Parameter

    Parameter Specification
    Rated Voltage 11kV
    Rated Secondary Voltage 100V / 110V
    Frequency 50Hz
    Accuracy Class 0.2 / 0.5 / 1.0
    Rated Burden 10VA – 150VA
    Insulation Class Class F
    Cooling Method Natural air cooling
    Partial Discharge ≤5 pC
    Power Frequency Withstand Voltage 38kV (1 min)
    Lightning Impulse Withstand Voltage 75kV
    Installation Type Indoor (panel-mounted)
    Standards IEC 61869 / GB 1207

    Product Applications

    Indoor Switchgear and Electrical Distribution Panels
    The 11kV dry-type voltage transformer is widely applied in indoor switchgear systems for precise voltage measurement and protection. With accuracy up to Class 0.2, it ensures reliable data for metering and relay systems. Its compact structure allows efficient installation in limited panel space, improving safety and performance in modern electrical distribution environments.
    Power Substations and Monitoring Systems
    In substations, this transformer converts 11kV primary voltage to standardized 100V/110V outputs, enabling accurate monitoring and protection. With partial discharge levels below 5 pC, it ensures excellent insulation reliability. It supports stable long-term operation, helping maintain grid safety and improving voltage monitoring accuracy across medium-voltage distribution networks.
    Industrial Power Control and Automation Systems
    The transformer is commonly used in industrial plants such as manufacturing facilities, energy systems, and automation control centers. It provides accurate voltage signals for control and protection equipment, maintaining performance within ±0.5% accuracy deviation. Designed for continuous operation, it enhances system stability and reduces the risk of electrical faults in high-demand industrial applications.

    Product Advantages

    Stable Electrical Performance
    Stable Electrical Performance
    Provides reliable and stable voltage operation for long-term industrial power applications.
    Compact Structural Design
    Compact Structural Design
    The finished transformer features a compact structure with stable and dependable operating performance.
    Reliable Insulation Structure
    Reliable Insulation Structure
    Durable insulation materials support safe and stable transformer operation over time.
    Standardized Factory Production
    Standardized Factory Production
    Manufactured under controlled factory processes to ensure consistent product quality and reliability.
    Maintenance-Free Operation
    Maintenance-Free Operation
    Solid finished structure reduces routine maintenance requirements during daily operation.
    Flexible Installation Capability
    Flexible Installation Capability
    Compact transformer design supports convenient installation in various electrical systems.

    Key Benefits

    The 11kV Dry-Type Voltage Transformer is a reliable, accurate, and compact solution for medium-voltage measurement and protection. Its advanced insulation design, high accuracy, and stable performance make it suitable for switchgear, substations, and industrial applications.

    With long service life, minimal maintenance, and strong safety performance, it is an ideal choice for modern electrical monitoring systems.

    Key Benefits

    FAQ

    What distinguishes an 11kV voltage transformer from lower voltage models?

    It is specifically designed to handle higher medium-voltage systems, offering improved insulation and dielectric strength.

    Is this transformer suitable for precision energy metering?

    Yes, it supports high accuracy classes such as 0.2, making it suitable for precise metering applications.

    Can it operate continuously in industrial environments?

    Yes, it is designed for continuous operation under varying load conditions in industrial settings.

    What type of insulation system is used?

    It uses epoxy resin casting, providing solid insulation and high reliability.

    How does it ensure operational safety?

    Through low partial discharge, strong dielectric strength, and flame-retardant materials.

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