| Customization: | Available |
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| Application: | Power, Electronic, Lighting, Rectifier, Audio |
| Phase: | Three |
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1.Product introduction
Three-phase high-voltage power transformers can be widely used in industry, such as start spot welding machine, automatic welding machine, butt welding machine, straightening machine, steel wire rolling machine, diffusion welding machine, seam welding, roll welding, touch welding, row welding machine etc.
2. Normal operating conditions
Three-phase high-voltage power transformer should be able to work normally under the following conditions:
a) Altitude: not more than 1000m;
b) Ambient temperature: -15 ºC ~ + 40 ºC
c) The relative humidity of the air does not exceed 95% (at + 25 ºC);
d) In a gas or steam environment without damage to insulation;
e) Used in explosive environment without methane coal dust.
3. Product parameters
| No. | Item | S-300/33/0.415 |
| 1 | Rated power(KVA) | 300 |
| 2 | Frequency(Hz) | 50 |
| 3 | Rated voltage: MV/LV(KV) | 33±2X2.5/0.415 |
| 4 | Impedance | 6.5% |
| 5 | Vector group | Dyn11 |
| 6 | No. Of phase | 3 |
| 7 | Type of winding | double |
| 8 | Material of winding | copper |
| 9 | Power frequency withstand voltage: MV/LV(KV) | 85/5 |
| Lightning impulse voltage at primary side(kv) | 170 | |
| 10 | Off-load current | 1.0% |
| 11 | Off-load loss (KW) | 0.5 |
| 12 | On-load loss (KW) | 4.8 |
| 13 | Temperature raise of top oil(K) | 55 |
| Winding temperature rise(K) | 65 | |
| 14 | Method of tapping | Off-load |
| 15 | Dimension (L*W*H)(mm) | 1350×950×1550 |
| 16 | Weight (kg) | 1580 |
| 17 | Standard | According to the "three-phase oil-immersed transformer" national standard |
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