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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 |
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|
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
1# International Business Department.
0086-755-8600 0713
Mobile :+86-138 2379 0397
1F and 4F block B,Jiada R&D Bldg, High-tech Park,Nanshan,Shenzhen,China
Post code：518057
Shenzhen Chuangyin Co., Ltd.---- a national high-tech enterprise. 
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Welcome to call the hotline : 0755-86000713 