17.5(24)kV Medium Current Transformer Outdoor Single-Phase Epoxy Resin High Precision Pole Mounted Autotransformer Type
1.Product Introduction:
Epoxy resincasting 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).
1. Rated insulation level:17.5/38/95 kV
24/50/125 kV
2, Rated frequency:50/60Hz
3, Installation site:Outdoor
4, Technical standard:IEC 60044-1
(IEC 61869-1&2)
Single Ratio:
| Rated transformation ratio(kV) | Accuracy classes combination | Rated output (VA) | Rated short-time thermal current (kA/S) | Rated dynamic current ( kA) |
| 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(kV) | Accuracy classes combination | 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)/5P 0.5/10P | 10 15 | 15 20 | 20 25 | 2 | 20 |
| 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
