Three Phase Oil-immersed Transformer

Feature:
1.Long-term reliable service life:
Fully enclosed transformer tank and rim shall be bolted together or welded firmly. Isolation between oil and air keeps insulation away from moisture, which lowers insulation aging and improves service life.
3.Free from untanking:
Free from untanking before operation, so its cost is saved.
4.Free from maintenance.
5.Low noise:
Impacted structure in design, new material and new technology adopted and low noise.
6. Small size and artistic appearance:
Owing to the corrugated plate used for radiation, oil volume is changed by adjustment and compensation through expansion and shrinkage of corrugated plate when the temperature of oil is changed. Corrugated tank is small size in good looking.
Parameter of S-M -30 Three phase oil-immersed power transformer for oversea project:
Type | Rated capacity (kVA) | Rated voltage | Vector Group | No-load loss (w) | Load loss (w) | No-load current (%) | Impedance voltage (%) | Noise (dB) | ||
H.V (kv) | Tapping range | L.V (kv) | ||||||||
S-M-30/10 | 30 | 11 | +/-5% or +/-2x2.5% | 0.415 | Y,yn0 or D,yn11 | 150 | 660 | 2.1 | 4.5 | 44 |
S-M-50/10 | 50 | 190 | 960 | 2.0 | ||||||
S-M-63/10 | 63 | 220 | 1140 | 1.9 | ||||||
S-M-80/10 | 80 | 260 | 1360 | 1.8 | 48 | |||||
S-M-100/10 | 100 | 320 | 1650 | 1.6 | ||||||
S-M-125/10 | 125 | 370 | 2000 | 1.5 | 49 | |||||
S-M-160/10 | 160 | 440 | 2400 | 1.4 | ||||||
S-M-200/10 | 200 | 520 | 2800 | 1.3 | 51 | |||||
S-M-250/10 | 250 | 610 | 3350 | 1.2 | ||||||
S-M-315/10 | 315 | 730 | 3950 | 1.1 | 53 | |||||
S-M-400/10 | 400 | 880 | 4600 | 1.0 | ||||||
S-M-500/10 | 500 | 1100 | 5650 | 1.0 | 55 | |||||
S-M-630/10 | 630 | 1300 | 6800 | 0.9 | 5 | |||||
S-M-800/10 | 800 | 1550 | 8200 | 0.8 | 57 | |||||
S-M-1000/10 | 1000 | 1900 | 11300 | 0.7 | ||||||
S-M-1250/10 | 1250 | 2100 | 13000 | 0.6 | 59 | |||||
S-M-1600/10 | 1600 | 2600 | 15500 | 0.6 | ||||||
S-M-2000/10 | 2000 | 2760 | 19920 | 0.6 | ||||||
The tolerance of the No-load loss and load loss permitted is 5% of aforesaid.
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