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Current Transformer / (high voltage) LZZX-10Q
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10KV Current transformer
Model:
LZZX-10Q
1. Description
The current transformer of the type LZZX-10Q is casting resin and fully enclosed product.It is used for metering electric energy and current,relay protection in the electrical system of rated frequency 50Hz or 60Hz and rated voltage 10kV.The current transformer has the character of small volume,light weight,superior insulation,high accuracy, high dynamic multiple and so on.We also can produce every kinds of products according to the consumers’ requirements.It,s flexible.The transformers can be executed according to the standards IEC44-1:1996 and GB1208-1997.
2. Technical data
2.1 Rated primary current,accuracy classes combination,rated output,rated dynamic and thermal current see form (cosφ=0.8)
Rated primary current
(A) |
Rated output
(VA) |
10P Class correct limit value coefficient |
Rated short-time thermal current
Ith (kA/s) |
Rated dynamic current
Idyn (kA) |
| class 0.2 |
class 0.5 |
class 10P |
| 20 |
10 |
10 |
15 |
10 |
3 |
7.5 |
| 30 |
4.5 |
11.3 |
| 40 |
6 |
15 |
| 50 |
7.5 |
18.8 |
| 75 |
11.3 |
28.3 |
| 100 |
15 |
37.5 |
| 150 |
22.5 |
44 |
| 200 |
24.5 |
44 |
| 300 |
28 |
44 |
| 400~630 |
40 |
63 |
2.2 Rated insulation level: 12/42/75kV;
2.3 Ppower factor of load: COSφ=0.8 (lagging);
2.4 Rrated secondary current: 5A or 1A;
2.5 Surface creepage distance: 260mm;
2.6 The conditions of the partial discharge test according to GB1208-1997《current transformer》will be fulfilled without exception;
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