11-33kV Single phase combined CT PT

11-33 kV

11-33kV Single phase combined CT PT

Product parameters:

· Outdoor UV resistant epoxy resin insulated combined CT PT
· Single Phase
· Rated voltage:  11kV, 12.47kV, 15kV, 17.5kV, 20kV, 22kV, 24kV, 33kV, 35kV,
· Metering class for CT: 0.2S, 0.2, 0.3, 0.5, 0.5S, 0.6
·Metering class for PT: 0.2, 0.3, 0.5, 0.6
· Standard: IEC, ANSI, GB
· Type name: JLDZW-10, JLDZW-11, JLDZY-12.47, JLDZY-17.5

General

This outdoor epoxy resin type combined current transformer/voltage transformer metering instrument transformer (metering units, MOF), used in current transformer used in 11kV, 12.47kV, 15kV, 17.5kV, 20kV, 22kV, 24kV, 33kV, 35kV, and 36kV power system, for measuring energy.
It has been used in outdoor pole mounted and transmission line.
The voltage transformer made from outdoor high quality ultraviolet-proof epoxy resin, high quality CRGO core for metering, primary and secondary use pure electrolytic copper, both winding and core have shielding processing.

Standard
All UNISUN Electric instrument transformers are in conformity with IEC standards, and recommendations IEC 61869. Transformers in conformity with specific country standards can also be supplied. (IEEE C57.13, NBR6855).

Specification data sheet

Current Transformer

Rated primary current(A)

Rated secondary current(A)

Accuracy class and output (VA)

Rated short-time thermal current(kA)

Rated dynamic stable current (kA)

0.2S

0.2

0.5S

5, 10, 15, 20, 25, 30, 40, 50, 75, 100, 150, 200, 300, 400, 600, 800,100

5

10

10

10

75Ⅰln

187.5Ⅰln

Voltage transformer

Rated primary voltage(kV)

Maximum system voltage(kV)

Rate secondary voltage(V)

Accuracy class and output (VA)

limit output (VA)

0.2

0.5

15

15.5

100

20

30

640

20/22

24

100

20

30

640

  • Products can be customized by customer requirements, above data is standard data, customized data please contact us.

Overall dimension

  • Products can be customized by customer requirements, above dimension may change, correct dimension please contact us.

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Our Production

The products are designed in strict accordance with IEC or ANSI standards, and the manufacturing steps meet the technological requirements 

PT Core

Imported silicon steel sheet made of PT core, high quality insulation tape, high quality compression sponge, to ensure that resin shrinkage does not affect the performance of PT core, secondary use of high purity enameled wire.  

Primary winding of PT

Mechanized winding secondary winding, all wire uses high purity copper enameled wire, each layer uses high quality insulating paper, to ensure that the layer withstand voltage qualified, to ensure the stability of partial discharge test.

Primary winding of CT

High electrolytic copper is used as primary winding, silver base welding material is used at the welding place, and semiconductor shielded paper is wrapped to ensure that the partial discharge tseting data is qualified.  

Secondary winding of CT

Large capacity design secondary winding, automatic winding, high insulation and high purity enameled wire, to ensure wide capacity output under standard accuracy.

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