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LSY-3-10/107 10kV Three-Phase Integrated Current Transformer for MV Switchgear

The LSY-3-10/107 three-phase integrated current transformer is a high-performance measuring device designed specifically for power systems, primarily used for monitoring and measuring three-phase AC current. This product integrates a current transformer, a measuring transformer, and a protection device into a single unit, featuring a compact structure, easy installation, and high accuracy.

    Model and its meaning

    LSY-3-10-107.jpg

    Summarize

    Key features of the LSY-3-10/107 three-phase integrated current transformer:

    Three-phase integrated design: The LSY-3-10/107 integrates three-phase current measurement functions into one device, simplifying installation and wiring and improving the overall reliability of the system.

    High-precision measurement: This transformer can accurately convert large current signals into small current signals, ensuring the measurement accuracy of the power system and is suitable for various power monitoring and protection needs.

    High durability: Made of high-quality materials, it has excellent corrosion resistance and high temperature resistance, enabling it to work stably in harsh environments.

    Wide range of applications: Suitable for 50Hz or 60Hz power systems, meeting the standard requirements of different countries and regions, and has strong adaptability.

    Compliant with industry standards: LSY-3-10/107 complies with relevant product standards, ensuring that its design, manufacturing, and performance meet industry specifications, providing users with reliable current measurement solutions.

    High safety: The equipment is designed with safety in mind, effectively reducing the risk of leakage and ensuring the safety of operators.

    The LSY-3-10/107 three-phase integrated current transformer is an indispensable key component in modern power monitoring systems. With its superior performance and convenient installation, it has become the ideal choice for users, ensuring the safe and efficient operation of power systems.

    Technical parameter

    Rated frequency: 50Hz or 60Hz

    Rated secondary current: 5A or 1A

    Rated short-term thermal current: 40kA,2 seconds

    Rated continuous thermal current: 1200%In

    Power factor of load: COC < P=0.8 (lag)

    Instrument security factor (measurement) : FS < 10

    Accurate limit system (protection) : 10P10,10P15,10P20

    Model

    Purpose

    Measure the
    current transformer

    Protect the
    current transformer

    Double-winding
    current transformer

    Stabilize
    the primary
    current

    Accuracy level and
    rated load(VA)

    Accuracy level and
    rated load(VA)

    Accuracy level and
    rated load(VA)

    0.2s

    0.2

    0.5

    10P10

    10P15

    10P20

    0.2s

    0.5

    10P15

    10P10

    LSY3-10/107

    75

    1

    1

    100

    2.5

    1

    150

    2.5

    2.5

    1.5

    200

    2.5

    2.5

    5

    2.5

    5

    300

    2.5

    2.5

    5

    5

    2.5

    5

    400

    5

    5

    5

    7.5

    5

    7.5

    500

    5

    5

    10

    10

    5

    10

    600

    5

    10

    10

    10

    5

    10

    800

    10

    10

    10

    10

    5

    10

    LSY-3-10-107.jpg