Oil-immersed power transformer
S13,S20 and S22
These products comply with the national standards GB1094 Power Transformers and GB/T6451 Specification and Technical Requirements for Three-phase Oil-immersed Power Transformers.
S13 series are three-phase oil-immersed distribution transformers using low-loss cold rolled silicon steel sheets. The products adopt a fully sealed corrugated tank structure, and the transformer oil does not contact with the surrounding air, so the transformer oil will not absorb external moisture, thus not reducing the insulation strength. In addition, oxygen cannot enter the oil tank, thus avoiding the aging of insulating materials, prolonging the service life of the product and improving social benefits.
S13 series are three-phase oil-immersed distribution transformers using low-loss cold rolled silicon steel sheets. The products adopt a fully sealed corrugated tank structure, and the transformer oil does not contact with the surrounding air, so the transformer oil will not absorb external moisture, thus not reducing the insulation strength. In addition, oxygen cannot enter the oil tank, thus avoiding the aging of insulating materials, prolonging the service life of the product and improving social benefits.
Quantity
Product Features：
Energy saving:S13,S20 and S22 meet the energy efficiency standard requirements of GB20050-2020.
Long service life:The transformer oil tank is of a fully sealed structure,and the oil tanks are bolted or welded to each other.
The transformer oi does not contact with air,thus prolonging its service life.
High operation reliability:The relevant parts of the oil tank seal are improved to enhance the process level and ensure the reliability of the seal.
Small floor area: S13-M series transformer oil tanks adopt corrugated radiators, which can replace the role of oil conservator when the oil temperature changes. The corrugated oil tank has a beautiful appearance and smallflor area.
Technical parameters:
◆Technical parameter table for S13-M-30~2500,6~10kV non-excitation voltage distribution transformer
Rated capacity (KVA) | connection symbol | voltage combination (kV) | No-load current % | No-load loss W | load loss (75℃W) | ShortCircuit impedance % | |
High Voltage KV | low voltage KV | ||||||
30 | Dyn11 Yzn11 Yyn0 | 6±5% or 6.3±5% or 10±5% | 0.4 | 2.1 | 80 | 630/600 | 4.0 |
50 | 2.0 | 100 | 910/870 | 4.0 | |||
63 | 1.9 | 110 | 1090/1040 | 4.0 | |||
80 | 1.8 | 130 | 1310/1250 | 4.0 | |||
100 | 1.6 | 150 | 1580/1500 | 4.0 | |||
125 | 1.5 | 170 | 1890/1800 | 4.0 | |||
160 | 1.4 | 200 | 2310/2200 | 4.0 | |||
200 | 1.3 | 240 | 2730/2600 | 4.0 | |||
250 | 1.2 | 290 | 3200/3050 | 4.0 | |||
315 | 1.0 | 340 | 3830/3650 | 4.0 | |||
400 | 1.0 | 410 | 4520/4300 | 4.0 | |||
500 | 1.0 | 480 | 5410/5150 | 4.0 | |||
630 | 0.9 | 570 | 6200 | 4.5 | |||
800 | 0.8 | 700 | 7500 | 4.5 | |||
1000 | 0.7 | 830 | 10300 | 4.5 | |||
1250 | 0.6 | 970 | 12000 | 4.5 | |||
1600 | 0.6 | 1170 | 14500 | 4.5 | |||
2000 | 0.6 | 1550 | 18300 | 5.5 | |||
2500 | 0.5 | 1830 | 21200 | 5.5 | |||
◆ Technical parameter table for S20(NX2) Oil-immersed non-excitation voltage distribution transformer
Rated capacity (KVA) | voltage combination and tapping range | connection symbol | No-load current % | No-loadloss W | load loss (W) | Short Circuit impedance% | |||
High VoltageKV | HVtapping range % | Low voltage KV | Dyn11/Yzn11 | Yyn0 | |||||
30 | 6 6.3 10 10.5 | ±5 ±2×2.5 | 0.4 | Yyn0 Dyn11 Yzn11 | 1.5 | 70 | 505 | 480 | 4.0 |
50 | 1.3 | 90 | 730 | 695 | |||||
63 | 1.2 | 100 | 870 | 830 | |||||
80 | 1.2 | 115 | 1050 | 1000 | |||||
100 | 1.1 | 135 | 1265 | 1200 | |||||
125 | 1.1 | 150 | 1510 | 1440 | |||||
160 | 1.0 | 180 | 1850 | 1760 | |||||
200 | 1.0 | 215 | 2185 | 2080 | |||||
250 | 0.90 | 260 | 2560 | 2440 | |||||
315 | 0.90 | 305 | 3065 | 2920 | |||||
400 | 0.80 | 370 | 3615 | 3440 | |||||
500 | 0.80 | 430 | 4330 | 4120 | |||||
630 | 0.60 | 510 | 4960 | 4.5 | |||||
800 | 0.60 | 630 | 6000 | ||||||
1000 | 0.60 | 745 | 8240 | ||||||
1250 | 0.50 | 870 | 9600 | ||||||
1600 | 0.50 | 1050 | 11600 | ||||||
2000 | 0.40 | 1225 | 14640 | 5.0 | |||||
2500 | 0.40 | 1440 | 14840 | ||||||
◆Technical parameter table for S22(NX1) Oil-immersed non-excitation voltage distribution transformer
Rated capacity (KVA) | voltage combination and tapping range | connection symbol | No-load current % | No-loadloss W | load loss (W) | Short Circuit impedance% | |||
High VoltageKV | HVtapping range % | Low voltage KV | Dyn11/Yzn11 | Yyn0 | |||||
30 | 6 6.3 10 10.5 | ±5 ±2×2.5 | 0.4 | Yyn0 Dyn11 Yzn11 | 1.5 | 65 | 455 | 430 | 4.0 |
50 | 1.3 | 80 | 655 | 625 | |||||
63 | 1.2 | 90 | 785 | 745 | |||||
80 | 1.2 | 105 | 945 | 900 | |||||
100 | 1.1 | 120 | 1140 | 1080 | |||||
125 | 1.1 | 135 | 1360 | 1295 | |||||
160 | 1.0 | 160 | 1665 | 1585 | |||||
200 | 1.0 | 190 | 1970 | 1870 | |||||
250 | 0.90 | 230 | 2300 | 2195 | |||||
315 | 0.90 | 270 | 2760 | 2630 | |||||
400 | 0.80 | 330 | 3250 | 3095 | |||||
500 | 0.80 | 385 | 3900 | 3710 | |||||
630 | 0.60 | 460 | 4460 | 4.5 | |||||
800 | 0.60 | 560 | 5400 | ||||||
1000 | 0.60 | 665 | 7415 | ||||||
1250 | 0.50 | 780 | 8640 | ||||||
1600 | 0.50 | 940 | 10440 | ||||||
2000 | 0.40 | 1085 | 13180 | 5.0 | |||||
2500 | 0.40 | 1280 | 13360 | ||||||
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