20/24V OIL TYPE CURRENT TRANSFORMER

20-24 kV

Outdoor Oil Type Current Transformer

Product parameters:

· Oil immersed current transformer
· Single phase
· Rated voltage: 15kV, 17.5kV, 20kV, 22kV, 24kV
· Metering class for CT: 0.2S, 0.2, 0.3, 0.5, 0.5S, 0.6
· Standard: IEC, ANSI, GB
· Type name: LJW-20, LJW-24, LJW-22

General
This outdoor oil immersed type current transformer used in 15kV, 17.5kV, 20kV, 22kV and 24kV power system, for measuring and protection.
It has been used in outdoor pole mounted and transmission line.
The current transformer is made from high quality transformer oil, amorphous alloy core for metering and high quality CRGO core for protection, primary and secondary use pure electrolytic copper, both winding and core have shielding

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

Rated primary
current(A)
Accuracy classes
combination
Accuracy class and output
(VA)
Short-time thermal
current(kA/1s)
Rated dynamic
current(kA)
0.2s0.20.5s0.510P1010P1510P20
50.2S/10P10
0.2S/10P15
0.2S/10P20
0.2/10P10
0.2/10P15
0.2/10P20
0.5/10P10
0.5/10P15
0.5/10P20
0.2S/0.2/10P10
0.2S/0.2/10P20
101010101515150.512.5
1012.5
151.53.75
2025
252.56.25
3037.5
40410
50512.5
757.518.75
100101010101515151025
1501537.5
2002050
30o3075
40040100
5005075
6001515151520202060150
80080200
10001520153030302080200
120080200
150080200
200080200
  • 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 

Primary winding

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

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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