10KV high voltage current transformer
Model:
LFZ1-10(Q), LFZJ1-10(Q)
(LFZ2-10, LFZD2-10, LFZB-10)
1. Description
Type LFZ1-10(Q),LFZJ1-10(Q) series current transformer is casting resin insulated, half-closed product, similar to old type LFZ2-10, LFZD2-10, LFZB-10 product, be used for install in switch cabinet, in 50Hz, 10kV electrical system, as metering current and energy, relay protect.
2. Technical data
2.1 Rated primary current,accuracy classes combination,rated output,rated dynamic and thermal current see form (cosφ=0.8)
| Model |
Rated primary current
(A) |
Rated output(VA) |
10P class's correct limit value coefficient |
Rated short-time thermal current
Ith (kA/s) |
Rated dynamic current
Idyn (kA) |
| class 0.2 |
class 0.5 |
class 1 |
class 3 |
class 10P |
| LFZ1-10LFZ1-10Q |
5 |
10 |
10 |
15 |
15 |
10 |
10 |
0.5 |
0.8 |
| 10 |
0.9 |
1.6 |
| 15 |
1.4 |
2.4 |
| 20 |
1.8 |
3.2 |
| 30 |
2.7 |
4.8 |
| 40 |
3.6 |
6.4 |
| 50 |
4.5 |
8 |
| 75 |
6.8 |
12 |
| 100 |
9 |
16 |
| 150 |
14 |
24 |
| 200 |
18 |
32 |
| 300 |
27 |
48 |
| 400 |
36 |
64 |
| 600 |
45 |
90 |
| LFZJ1-10LFZJ1-10Q |
5 |
10 |
15 |
20 |
20 |
15 |
10 |
0.5 |
0.8 |
| 10 |
0.9 |
1.6 |
| 15 |
1.4 |
2.4 |
| 20 |
1.8 |
3.2 |
| 30 |
2.7 |
4.8 |
| 40 |
3.6 |
6.4 |
| 50 |
4.5 |
8 |
| 75 |
6.8 |
12 |
| 100 |
9 |
16 |
| 150 |
14 |
24 |
| 200 |
18 |
32 |
| 300 |
27 |
48 |
| 400 |
36 |
64 |
| 600 |
45 |
90 |
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; |
