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LZZW-17.5（24）current transformer, outdoor epoxy resin casting insulation and fully enclosed support construction, encloses the primary & secondary windings and annular core in the epoxy resin casting body. The product has large periphery insulation creep distance, withstanding dirtiness and dampness. Be suitable for measuring electric capacity, current and protective relaying in the power system of 17.5kV (Up to 24kV).
Main technical parameter
1. Rated voltage: 13.8 kV or 15 kV or 20 kV or 22 kV.
2. Rated secondary current:5Aor1A
3. Rated insulation level: 17.5/38/95 kV or 24/50/125 kV.
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(A) |
Accuracy classes combination |
Rated output (VA) |
Rated short-time thermal current (kA/S) |
Rated dynamic current ( kA) |
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|
Measuring |
Protective |
|||||
|
0.2（S） |
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 |
31.5 |
80 |
||||
|
400/5 |
40 |
100 |
||||
|
500/5 |
50 |
100 |
||||
|
600/5 |
63 |
130 |
||||
|
800/5 |
80 |
160 |
||||
Double ratio
|
Rated transformation ratio(A) |
Accuracy classes combination |
COS =0.8 Rated output (VA) |
Rated short-time thermal current (kA/S) |
Rated dynamic current ( kA) |
||
|
Measuring |
Protective |
|||||
|
0.2（S） |
0.5 |
10P |
||||
|
30-60/5 |
0.2(S)/ 0.2(S) 0.2(S)/0.5 0.2(S)/10P 0.5/10P |
10 15 |
15 20 |
20 25 |
2 |
5 |
|
50-100/5 |
8 |
20 |
||||
|
100-200/5 |
15 |
37.5 |
||||
|
200-400/5 |
30 |
75 |
||||
|
400-800/5 |
63 |
130 |
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Remarks: Upon request we are glad to offer transformers according to other standards or with non-standard technical specs.
Outline Drawing
Switchboard：+86-755-86000443
International Sales ：+86-755-86000713、+86-13823790397
Email：international2@chuangy.com
Add：Room 101 / 401, Building B, Jiada R&D Building, Songpingshan Road No.5, Songpingshan Community, Xili Street, Nanshan District, Shenzhen, China
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