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LZZW-17.5(24)TH户外电流互感器

LZZW-17.5(24)TH outdoor support type current transformer with epoxy cast resin insulation. The product can have four secondary windings and each winding can have tap. The product has large external insulation creepage distance, withstands dirtiness and ultraviolet radiation. Be suitable for measuring current, electric energy and protective relaying in the electrical system of highest voltage for equipment 17.5(24)kV.

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Main technical parameter

1.  Rated voltage: 13.8 kV or 15 kV or 20kV or 22kV etc

2.     Rated secondary current:5Aor1A

3.  Rated insulation level:17.5/38/95 kV or 24/50/125kV

4.     Standards: IEC60044-1.2003 Part 1: Instrument transformers-Part1: Current transformers

5.     Other technical parameter pls see as follow:

 

Single ratio

Rated transformation

ratio(kV)

Accuracy classes combination

Rated output

 (VA)

Rated short-time thermal current (kA/S)

Rated dynamic current ( kA)

Measuring

Protective

0.2S

0.5

10P

30-200/5

0.2(S)/ 0.2(S)

0.2(S)/0.5

0.2(S)/10P

0.5/10P

10

15

15

20

20

25

150I1n

375I1n

300/5

30

75

400/5

40

100

500/5

50

125

600/5

63

125

800/5

80

160

Double ratio

Rated transformation

ratio(kV)

Accuracy classes combination

Rated output

 (VA)

Rated short-time thermal current (kA/S)

Rated dynamic current ( kA)

Measuring

Protective

0.2S

0.5

10P

20-40/5

0.2(S)/ 0.2(S)

0.2(S)/0.5

0.2(S)/5P

0.5/10P

10

15

15

15

20

4

10

50-100/5

8

20

100-200/5

15

37.5

150-300/5

20

50

200-400/5

30

75

400-800/5

63

130

Remarks: Upon request we are glad to offer transformers according to other standards or with non-standard technical specs.

 Outline Drawing



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