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220kV High Voltage Current Transformer - China Suppliers & Factory for Accurate Current Measurement
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220kV High Voltage Current Transformer - China Suppliers & Factory for Accurate Current Measurement
220kV High Voltage Current Transformer - China Suppliers & Factory for Accurate Current Measurement

220kV High Voltage Current Transformer - China Suppliers & Factory for Accurate Current Measurement

Current Transformer from China

Discover our high-quality Current Transformer (CT), an essential device that measures and converts electrical current through the principle of electromagnetic induction. As a leading supplier in the industry, our factory in China specializes in producing reliable and efficient current transformers tailored to meet your needs. Trust our expertise to provide top-notch solutions for your electrical measurement requirements.

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    Product Detail

    Current Transformer

    Current transformer (CT for short) is the device which could transfer and measuring the current according to the principle of electromagnetic induction.
    CT Composition
    • Primary winding
    • Outer sheath
    • Capacitive main insulation structure
    • Silicone rubber umbrella skirt pressure balancing cover at both ends
    • Shell
    • Secondary winding
    • Conductive wire clip
    Key Advantages
    • No oil-filling & no gas-filling
    • No porcelain structure
    • Small volume & light weight
    • Small maintenance workload
    • Fire and explosion protection
    • Equal along-surface voltage distribution
    • Improved pollution flashover voltage via silicone rubber outer insulation
    Current transformer structure
    Product Classification
    Type: LGB series

    The significance of product type is defined as follows:

    • LGB: Dry type current transformer with protection coil
    • Rated voltage: Unit measured in kV
    Examples:
    • LGB - 110: Rated voltage 110 kV, dry type current transformer with protection coil.
    • LGB - 220: Rated voltage 220 kV, dry type current transformer with protection coil.
    LGB series current transformer specification
    Frequently Asked Questions (FAQ)
    Q1: What is the basic working principle of a Current Transformer?
    A current transformer (CT) transfers and measures electrical current according to the fundamental principle of electromagnetic induction.
    Q2: What components make up a dry-type CT?
    It is composed of a primary winding, outer sheath, capacitive main insulation structure, silicone rubber umbrella skirt pressure balancing cover at both ends, shell, secondary winding, and a conductive wire clip.
    Q3: What makes dry-type CTs safer than traditional ones?
    Dry-type CTs feature no oil-filling, no gas-filling, and no porcelain. This design provides critical fire and explosion protection, making them safer for wide-scale applications.
    Q4: How does silicone rubber outer insulation benefit the system?
    Silicone rubber ensures equality in voltage distribution along the surface. Using this material as the outer insulation further improves the pollution flashover voltage.
    Q5: What does the nomenclature "LGB - 110" stand for?
    It represents an LGB series dry-type current transformer with a protection coil designed for a rated voltage of 110 kV.
    Q6: Does this current transformer require heavy maintenance?
    No, due to its dry-type design (being oil-free, gas-free, and porcelain-free) combined with a compact volume and light weight, it requires a very small maintenance workload.

    HEADING-TYPE-1

    High voltage parallel capacitors are suitable for parallel connection in AC power systems with power frequency (50Hz or 60Hz) of 1kV and above. They are used to compensate for inductive reactive power, improve power factor, improve voltage quality, reduce line losses, and fully utilize the efficiency of power generation and supply equipment.

    description2

    HEADING-TYPE-1

    High voltage parallel capacitors are suitable for parallel connection in AC power systems with power frequency (50Hz or 60Hz) of 1kV and above. They are used to compensate for inductive reactive power, improve power factor, improve voltage quality, reduce line losses, and fully utilize the efficiency of power generation and supply equipment.

    description2