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High-Accuracy Epoxy Cast 22kV Dry-Type Voltage Tr (4).jpg
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Compact High-Accuracy 11kV Dry-Type Voltage Transformer for Medium-Voltage .jpg

High-Precision 22kV Dry-Type Voltage Transformer from China Suppliers & Factory for Medium-Voltage Measurement

The 22kV Dry-Type Voltage Transformer stands out as a premium instrument transformer tailored for accurate voltage measurement, protection, and monitoring in medium-voltage electrical systems. Manufactured in China using advanced epoxy resin casting technology, this transformer boasts exceptional insulation strength, minimized partial discharge, and reliable long-term performance. Ideal for application in substations, switchgear, and industrial power distribution networks, it ensures precise voltage sensing. As a leading supplier of high-quality electrical equipment, our factory guarantees top-notch products that meet the rigorous demands of modern electrical infrastructure
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    Product Details

    Product Parameter

    Parameter Specification
    Rated Voltage 22kV
    Rated Secondary Voltage 100V / 110V
    Frequency 50Hz
    Accuracy Class 0.2 / 0.5 / 1.0
    Rated Burden 10VA – 200VA
    Insulation Class Class F / Class H
    Cooling Method Natural air cooling
    Partial Discharge ≤5 pC
    Power Frequency Withstand Voltage 50kV (1 min)
    Lightning Impulse Withstand Voltage 125kV
    Installation Type Indoor (panel-mounted)
    Standards IEC 61869 / GB 1207

    Product Applications

    Medium-Voltage Switchgear and Intelligent Distribution Systems
    The 22kV dry-type voltage transformer is widely applied in medium-voltage switchgear and intelligent distribution panels for accurate voltage measurement and protection. With accuracy up to Class 0.2, it ensures precise data acquisition for monitoring systems. Its epoxy-cast compact structure allows easy integration into confined spaces, improving safety and operational efficiency in modern electrical distribution networks.
    Power Substations and Grid Monitoring Infrastructure
    In substations, this transformer converts 22kV primary voltage into standardized 100V/110V outputs for protection relays and metering devices. With partial discharge levels controlled below 5 pC, it guarantees excellent insulation reliability and long-term stability. It supports safe and continuous operation in critical grid environments, ensuring accurate voltage monitoring and system protection.
    Industrial Plants and High-Demand Electrical Systems
    The transformer is widely used in industrial sectors such as manufacturing plants, mining operations, and process industries. It provides accurate voltage signals for automation and control systems, maintaining performance within ±0.5% accuracy deviation. Designed for continuous operation, it ensures stable power monitoring and reduces system downtime in high-load industrial environments.

    Product Advantages

    Stable Voltage Performance
    Stable Voltage Performance
    Provides dependable electrical operation for industrial and distribution applications.
    Robust Structural Design
    Robust Structural Design
    Finished transformer structure is durable, compact, and suitable for long-term use.
    Reliable Product Quality
    Reliable Product Quality
    Standardized manufacturing process ensures stable product consistency and performance.
    Safe Operating Structure
    Safe Operating Structure
    Stable finished construction supports reliable daily electrical operation.
    Reduced Maintenance Demand
    Reduced Maintenance Demand
    Durable transformer structure supports maintenance-free operation.
    Flexible Product Specifications
    Flexible Product Specifications
    Available in multiple capacity options for various industrial applications.

    Key Benefits

    The 22kV Dry-Type Voltage Transformer is a high-reliability, high-precision solution for medium-voltage measurement and protection systems. Its advanced epoxy insulation, compact design, and stable performance make it suitable for substations, switchgear, and industrial automation applications.

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

    Key Benefits image

    FAQ

    What is the main function of a 22kV voltage transformer?

    It reduces high voltage to a standardized low voltage for measurement, protection, and monitoring purposes.

    Can it be used in smart grid systems?

    Yes, it is compatible with modern intelligent monitoring and digital substation systems.

    What ensures its insulation reliability?

    Epoxy resin casting and low partial discharge levels ensure strong long-term insulation performance.

    Is it suitable for industrial automation environments?

    Yes, it is designed for continuous use in high-demand industrial control systems.

    Does it require regular maintenance?

    No, its dry-type solid insulation structure ensures maintenance-free operation under normal conditions.

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