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

Current transformer TPLU-10

The current transformer TPLU-10 receives a signal with initial parameters at the input and outputs it with changed values.

It operates in 50 Hz AC networks with a maximum voltage of 10 kV. Measuring high values and working with current at such a high voltage is extremely dangerous. Therefore, its parameters are reduced to those that can already be perceived by measuring instruments, automation and devices used for control.

Thus, transformers also perform a protective function, preventing secondary networks from short circuits and emergencies associated with high voltage exposure.

The products can be purchased for operation in a temperate climate (climatic design "U") outdoors and indoors (location category 1.2). They work in any position. In our store, you can also choose and buy transformers with other operating characteristics.

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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, TU U 31.1-345626687-001:2007.

Parameter name
Value
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
Rated secondary current, A1;5
Rated frequency, Hz50
Accuracy class of the secondary winding: - for measurements; - for protection0,2S; 0,5; 0,5S; 0,5S+ / 5Р; 10P
Rated secondary load at cos φ = 0.8, VxA winding: - for measurement; - for protection;10/15
Rated primary current, A5101520304050751001502003004005006008001000
Rated short-term thermal resistance current, Ith, kA0,61,31,32,63,33,33,77,47,414,414,428,828,836367272
Rated current strength of dynamic stability, Idyn, kA1,63,33,36,58,38,39,318,518,5363672729090180180
Safety factor of the device, FS, not more than33333333333333455
Ultimate accuracy factor, ALF, not less than**77777887878788999


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 maximum accuracy factor of at least 10 can be supplied (specify when ordering).

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