Electrical measuring instruments >> transformers industrial >> current transformers T-0,66

TK-20

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6 pieces
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    Transformer TK-20 (TK 20, TK20; tk-20; tk 20; tk20)

    Transformer TK-20 - a device designed to be embedded in the sealing jaws robots and manipulators as current sources for the implementation of welding.
    Frequency: 50
    Voltage class: up to 0.66 kV;
    Rated voltage: 0.66 kV;
    Ratio: 10/5A, 15/5A, 20/5A.

    Structural features of transformers TK-20

    Transformers TK-20 have water cooling and protection from overheating of the windings, as well as holes for tires. Each current transformer TK-20 consists of a coil is mounted with a magnetic core shell type, poured into the casing heat resistance compound. The primary winding device with the findings of L1 and L2 is made ​​of heavy gauge wire with a current capacity, which is needed for the normal operation of the installation. Secondary winding TK-20 is in the form of two series-connected circular turns. The secondary winding of the current transformers TK-20 and the conclusions I1 and I2 of the secondary winding is connected to the terminal block 1. It has a number of turns to the rated current of the primary winding current induced therein 5A.
    The outer coil transformer TK-20 temperature sensor. Magnetic TC-20 assembled from split twisted cores of cold-rolled electrical steel and casing made ​​of sheet steel.
TK-20 transformer drawing device
TK-20 transformer drawing device
   
    Overall dimensions of current transformers TK-20 - less than 112 × 150 × 225mm. Weight devices does not exceed 1.7 kg.

    Specifications transformer TK-20:

    - The value of the primary current: 10A, 15A, 20A;
    - The value of the secondary current: 5A;
    - Insulation class: F;
    - Nominal open-circuit voltage of the secondary winding: 3.6 V;
    - Continuous secondary current of 4.0 kA.
    Rated supply voltage is set to 380V at a frequency range 50 Hz. Current transformers TK-20 have a power of 20 W at a 50% duty cycle. Cooling water consumption for the device at an inlet pressure of 1,47 × 105Pa (1.5 kgf / cm 2) is not less than 4.0 l / min.

Photos: TK-20

TK-20 transformer image.
TK-20 transformer image.
TK-20 side view №1.
TK-20 side view №1.
TK-20 side view №2.
TK-20 side view №2.
TK-20 side view №3.
TK-20 side view №3.
TK-20 side view №4.
TK-20 side view №4.
TK-20 overhead view.
TK-20 overhead view.
TK-20 bottom view.
TK-20 bottom view.


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