12kV Outdoor Current Transformer
12kV Outdoor Current Transformer
Application
The current transformer of the LZZW-10 is of casting resin and fully enclosed. 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 and below. The transformers can be executed according to the standards IEC60044-1.
Specifications
1. Rated insulation level:12KV 42KV 75KV
2. Rated secondary current:5A/1A
3. Refer to the table for primary current, accuracy class combination, rated output, rated dynamic and thermal current.
4. The conditions of the partial discharge test are in line with GB1208-2006 current transformer.
5. Antipollution class: II class.
Outline Dimension
Parameter
| Rated transfommation ratio(A) |
Accuary classes combination |
Rated output(VA) | ALF | FS | Short-time thermal current lth(kA/S) |
Rated dynamic curent ldyn(kA) |
||
| Measuring | Protective | |||||||
| 0.2(S) | 0.5 | 10P | ||||||
| 10-200/5 | 0.2(S)/0.2(S) 0.2(S)/0.5 0.2(S)/10P 0.5/10P 0.2S/0.5/10P 0.2/0.5/10P |
10
15 |
15 | 15 | 10
15 20 |
5
(10) |
150l1n | 375l1n |
| 300/5 | 31.5 | 80 | ||||||
| 400/5 | 31.5 | 80 | ||||||
| 500/5 | 40 | 100 | ||||||
| 600/5 | 50 | 125 | ||||||
| 800/5 | 20 | 63 | 125 | |||||
| 1000/5 | 80 | 160 | ||||||
| 1200~1500/5 | 80 | 160 | ||||||
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