10-12KV Indoor Use Current Transformer
Type: LA-10Q(LFZ-10Q,LFZB-10Q)
- Description
- Current transformer type LAJ-10Q is applicable to the current and power measurement and relay protection of indoor system of rated voltage 10kV and below at a frequency of 50Hz or 60Hz.
- Construction
- The current transformer is of resin casting 300A and below is semi-closed structure, 400-800A single lure type is of hermetically sealed structure, the product is stiffened for its external insulation.
- Technical data
- 1. Rated insulation level 11.5/42/75kV (surface dew point and class 2 artificial pollution);
- 2. Rated primary current, accuracy classes, rated output and rated short-time thermal current see table1;
- 3. Power factor 0.8 (lagging);
- 4. Rated secondary current: 5A (or 1A);
- 5. The measurement of partial discharge level is in accordance with GB5583-85 and IEC44-4. Apparent partial discharge level not more than 50PC.
- Technical data
Rated primary
Current (A) |
Accuracy class and output (VA) |
1 th/ls
(KV)(r.m.s) |
Ldyn(KV)
(peak) |
| 0.2 |
0.5 |
1 |
10P10 |
| 20~200 |
10 |
25 |
25 |
15 |
120 I ln |
2151I ln |
| 300 |
100 I ln |
180 I ln |
| 400 |
15 |
75 I ln |
135 I ln |
| 500 |
60 I ln |
110 I ln |
| 600,800 |
25 |
25 |
25 |
20 |
50 I ln |
90 I ln |
