– Closed-type transformer, immersed in oil, adjustable without load 35 / 0.4; 22 / 0.4; 35/22 / 0.4; 10 / 0.4kV.
– Tested to standards.
– Products have been supplied to electricity units put into operation safely on the grid
A transformer is an electrical device that changes the voltage of the alternating current from one level to another. Closed type transformers are distributed in 35kV, 22kV, 10kV, 0.4kV voltage, soaked in standard insulating oil.
Products manufactured by the Corporation, tested according to TCVN 6306-1: 2015 (IEC 60076-1: 2011) and TCVN 8525: 2015. The main raw materials are composed of: Korea; Silent wires / coated paper from copper M1; Insulating oils from Sweden, India, Malaysia. Voltage regulation from Italy. Insulating paper: Germany, Sweden. Cross-cut and cut-off circuits on G7; Wiring is performed on specialized equipment; The vacuum washer.
| TT | Dung lượng (kVA) |
Tổn hao không tải Po (W) |
Tổn hao ngắn mạch Pk (W) |
Dòng điện không tải Io (%) |
Điện áp ngắn mạch Uk (%) |
Hiệu suất năng lượng E50% |
| 1 | 50 | 120 | 715 | 2 | 4-6 | 98.820 |
| 2 | 75 | 165 | 985 | 2 | 4-6 | 98.920 |
| 3 | 100 | 205 | 1250 | 2 | 4-6 | 98.980 |
| 4 | 160 | 280 | 1940 | 2 | 4-6 | 99.050 |
| 5 | 180 | 295 | 2090 | 2 | 4-6 | 99.100 |
| 6 | 250 | 340 | 2600 | 2 | 4-6 | 99.210 |
| 7 | 320 | 385 | 3170 | 2 | 4-6 | 99.270 |
| 8 | 400 | 433 | 3820 | 2 | 4-6 | 99.310 |
| 9 | 500 | 525 | 4440 | 2 | 4-6 | 99.350 |
| 10 | 560 | 580 | 4810 | 2 | 4-6 | 99.370 |
| 11 | 630 | 780 | 5570 | 2 | 4-6 | 99.320 |
| 12 | 750 | 845 | 6540 | 2 | 4-6 | 99.340 |
| 13 | 800 | 872 | 6942 | 2 | 4-6 | 99.350 |
| 14 | 1000 | 980 | 8550 | 2 | 4-6 | 99.380 |
| 15 | 1250 | 1115 | 10690 | 2 | 4-6 | 99.400 |
| 16 | 1500 | 1250 | 12880 | 1.5 | 4-6 | 99.410 |
| 17 | 1600 | 1305 | 13680 | 1.5 | 4-6 | 99.410 |
| 18 | 1800 | 1400 | 15400 | 1 | 5-7 | 99.420 |
| 19 | 2000 | 1500 | 17100 | 1 | 5-7 | 99.430 |
| 20 | 2500 | 1850 | 21000 | 1 | 5-7 | 99.440 |
