S11 type 20kV oil-immersed transformer
The three-phase oil-immersed distribution transformer adopts a new type of insulation structure to improve the short-circuit resistance; the iron core is made of high-quality cold-rolled silicon steel sheet; High-voltage windings are made of high-quality oxygen-free copper wire, and adopt multi-layer cylindrical structure; all fasteners are treated with special anti-loose treatment. The product has the characteristics of high efficiency and low loss, which can save a lot of power consumption and operating costs, and has significant social benefits.
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Well-made
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Classification:
20kV-35kV oil-immersed transformer
Telephone:86-371-63719330
Product Introduction
The three-phase oil-immersed distribution transformer produced by our company adopts a new insulation structure to improve the short-circuit resistance. The iron core is made of high-quality cold-rolled silicon steel sheet;
High-voltage windings are made of high-quality oxygen-free copper wire, and adopt multi-layer cylindrical structure; all fasteners are treated with special anti-loose treatment.
The product has the characteristics of high efficiency and low loss, which can save a lot of power consumption and operating costs, and has significant social benefits.
Main technical parameters of S11 type 20kV oil immersed transformer
|
Model Type |
voltage combination Voltage combination |
Bonding Group Label connection symbol |
short circuit impedance Short-circuit impedance |
Loss(W) |
No-load current No-load current（%） |
|||
|
High pressure H-V |
tap range Tapping range |
Low pressure L-V |
No-load loss No-load loss |
Load loss Load loss |
||||
| S11-50/20 |
20 22 24 |
±5% ±2*2.5% |
0.4 0.415 0.433 |
Dyn11 Yyn0 |
6.5 | 170 | 1270/1210 | 2.0 |
| S11-100/20 | 230 | 2120/2020 | 1.8 | |||||
| S11-125/20 | 270 | 2500/2380 | 1.7 | |||||
| S11-160/20 | 290 | 2970/2830 | 1.6 | |||||
| S11-200/20 | 340 | 3500/3330 | 1.5 | |||||
| S11-250/20 | 410 | 4160/3960 | 1.4 | |||||
| S11-315/20 | 490 | 5010/4770 | 1.4 | |||||
| S11-400/20 | 580 | 6050/5760 | 1.3 | |||||
| S11-500/20 | 690 | 7280/6930 | 1.2 | |||||
| S11-630/20 | 830 | 8280 | 1.1 | |||||
| S11-800/20 | 980 | 9900 | 1.0 | |||||
| S11-1000/20 | 1150 | 12150 | 1.0 | |||||
| S11-1250/20 | 1410 | 14670 | 0.9 | |||||
| S11-1600/20 | 1700 | 17550 | 0.8 | |||||
Key words:
S11 type 20kV oil-immersed transformer
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