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DP Series current transformer
Current Transformer

DP Series current transformer

A current transformer (CT) is a crucial electrical device for managing, observing, and safeguarding power supplies. Small, quantifiable amounts of large alternating currents (AC) are produced. In power generation, transmission, distribution, and industrial applications, high-current power circuits are usually connected by safety relays or sensitive measurement devices.

    Product Overview

    A CT employs electromagnetic induction and is made up of two windings: a secondary winding with many turns linked to safety or measurement devices, and a main winding with a few turns connected in series to a high-current circuit. The secondary winding, which is commonly set to 5A or 1A for the bulk of industrial applications, receives very little current, whereas the primary winding receives a lot. This proportionality, also known as the transformation ratio, safeguards individuals and equipment from potentially hazardous voltages while allowing for accurate current monitoring.

    CTs require high precision for energy metering, linearity to decrease measurement error, and enough insulation to support a high voltage between windings. The secondary winding should never be left open circuit while utilizing a CT. This is because an open circuit may generate extremely high voltages, potentially damaging electrical equipment.Finally, since they enable more precise current monitoring and improved issue diagnostics, current transformers are critical to ensuring the reliability, efficacy, and safety of modern electrical systems.

    Technical Parameters

    Type

    Specification

    (mm) Outline Size

    A

    B

    C

    D

    E

    DP-23

    100-400A/5A

    112

    90.5

    59.5

    32

    22

    DP-46

    250-1 OOOA/5A

    141

    114

    55

    62

    42

    DP-58

    250-1500A/5A

    163.5

    123

    59.5

    82

    51 .5

    DP-88

    250-1500A/5A

    162

    144

    55.5

    82

    82

    DP-510

    500-3000A/5A

    191

    142

    67

    102

    52

    DP-812

    500-3000A/5A

    203

    151

    59.5

    122

    82

    DP-614

    1000-5000/5A

    230

    162.5

    70.5

    142

    63

    DP-816

    1000-6000A/5A

    250

    183

    71 .5

    162

    82

    DP-820

    3000-10000/5A

    303

    183

    71 .5

    205

    82

    Accuracy Grade: 1.0

    OverIoad Current :≥1.2%ln