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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 |
||||
Remarks: Upon request we are glad to offer transformers according to other standards or with non-standard technical specs.
Outline Drawing
电话：
0086-755-86000443
0086-755-86000772
传真：
0086-755-86000614
邮箱：
international2@chuangy.com
地址:
深圳市南山区西丽街道松坪山社区松坪山路5号嘉达研发大楼B座101 / 401 (深圳)
珠海市高新区唐家湾镇科技五路24号(珠海）
江西省九江县沙城工业园庐山东路31号(江西)
