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  4. Voltage range 6-12 kV
  5. Current transformer TPLU-10-3

Current transformer TPLU-10-3

The current transformer TPLU-10-3 is installed in GIS, GIS, GIS, where it is used to convert the input signal and transmit it in a modified form for processing in measuring instruments, control devices, automation.

It operates in AC installations (50 Hz) with a maximum voltage of 10 kV. The climatic design "U", in which the transformer is manufactured, means that it can be purchased for use in temperate zones. Category 1.2 provides for the possibility of placement both in open areas and indoors.

The production is carried out in accordance with the requirements of GOST 15150-69. The products are able to operate in any position. Metrological characteristics are maintained at the proper level for 50 years. This is due to the material of the secondary winding core. It is made of a nanocrystalline alloy, which excludes its magnetization.

  • Survey letter
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Type examination certificate (Module B) No. UA.TR.001 150-19 Rev.2, reference number 29/3/B/12/016-20. Complies with DSTU EN 61869-2:2017.

Technical specifications

Parameter nameValue
Rated voltage, kV10
Maximum operating voltage, kV12
Rated primary current, A5, 10, 15, 20, 30, 40, 50, 75, 100, 150, 200, 300, 400, 500, 600, 800, 1000, 1500, 2000, 2500, 3000
Rated secondary current, A1;5
Rated frequency, Hz50
Accuracy class of the secondary winding: - for measurement; - for protection;0,2S; 0,5; 0,5S;0,5S+ / 5P;10P
Rated secondary load at cos φ = 0.8, VxA winding: - for measurement; - for protection;10 / 15
Rated primary voltage, A51015203040507510015020030040050060080010001500200025003000
Rated short-term thermal resistance current, Ith, kA0,61,31,32,63,33,33,77,77,414,414,428,828,836368686108108108108
Rated current strength of dynamic stability Idyn, kA1,63,33,36,58,38,39,318,518,5363672729090215215270270270270
Safety factor of the device, FS, not more than333333333333334555555
Ultimate accuracy factor, ALF, not less than **7777788787878899910131313


It is possible to supply a cover to protect the secondary winding terminals from unauthorized access (sealing) as part of the transformer package - if specified in the supply contract.

* Transformers with rated secondary load up to 30 V-A can be supplied (please specify when ordering).

** Transformers with a nominal maximum multiplicity of at least 10 can be supplied (specify when ordering).

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