Brand Name: TSTY
Model Number: S9-S22
Phase: Three
Service Voltage: 33kv\35kV
Rated Capacity: 15-31500kVA
33KV oil-immersed distribution transformer is an important equipment in the power distribution network and the power supply and distribution system of industrial and mining enterprises. The transformer designed by TSTY adopts a leak-proof design, with the characteristics of low loss, low noise and high reliability. Our transformers meet the national standards of many countries such as IEC and GB. Our company's oil-immersed transformer series products have become the leader in the power supply field with its excellent performance, safety, stability and durability. The product line covers various models from S9 to S22, with an applicable voltage range from 6kv to 35kv and a capacity from 15kva to 31500kva, meeting the needs of various scenarios.
33KV Transformer Parameters|
35KV Oil Immersed Transformer Main Technical Parameters |
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| Rated Capacity KVA | Voltage Combination | Connection Symbol | Off-load Loss(KW) | On-load Loss(KW) (75℃） | Impendan ce (%) | Weight(KG) | Dimensions(mm) | |||||
| High Voltage (KV) | Tapping Range (%) | Low Voltage(KV) | Oil | Total | Length | Width | Height | |||||
| 50 |
25 30 33 35 |
±5 ±2x2.5 |
0.23 0.38 0.4 0.44 0.48 0.6 |
Dyn11 Yyn0 |
0.166 | 1.285 | 6.44% | 165 | 535 | 1120 | 670 | 1235 |
| 80 | 0.209 | 1.734 | 6.66% | 195 | 670 | 1120 | 700 | 1270 | ||||
| 100 | 0.244 | 2.138 | 6.39% | 210 | 745 | 1120 | 720 | 1285 | ||||
| 125 | 0.286 | 2.552 | 6.27% | 215 | 790 | 1160 | 715 | 1330 | ||||
| 160 | 0.3 | 3.027 | 6.40% | 245 | 970 | 1245 | 785 | 1365 | ||||
| 200 | 0.361 | 3.649 | 6.28% | 360 | 1050 | 1245 | 795 | 1380 | ||||
| 250 | 0.424 | 4.294 | 6.49% | 285 | 1175 | 1335 | 880 | 1395 | ||||
| 315 | 0.51 | 5.2 | 6.31% | 310 | 1305 | 1380 | 920 | 1420 | ||||
| 400 | 0.613 | 6.171 | 6.31% | 355 | 1540 | 1510 | 1010 | 1455 | ||||
| 500 | 0.716 | 7.452 | 6.51% | 390 | 1760 | 1120 | 1105 | 1502 | ||||
| 630 | 0.897 | 8 65 | 6.60% | 430 | 2000 | 1120 | 1210 | 1527 | ||||
| 800 | 1042 | 10.181 | 6.24% | 525 | 2545 | 2080 | 1215 | 1770 | ||||
| 1000 | 1.22 | 12.375 | 6.30% | 600 | 2885 | 2125 | 1270 | 1850 | ||||
| 1250 | 1.457 | 15.119 | 6.40% | 690 | 3275 | 2150 | 1300 | 1950 | ||||
| 1600 | 1.796 | 18.337 | 6.53% | 840 | 3955 | 2310 | 1355 | 2070 | ||||
| 2000 | 2.105 | 21.122 | 6.47% | 1010 | 4775 | 2390 | 1395 | 2170 | ||||
| 2500 | 2.514 | 25.296 | 6.29% | 1145 | 5550 | 2515 | 1435 | 2300 | ||||
| S20 Oil-immersed Three-phase Double-winding No-load Voltage Regulation Power Transformers | ||||||
|
Rated Capacity kVA |
Voltage Combination |
No-Load Loss kW |
Load Loss(75℃) kW |
Short-circuit Impedance % |
||
| High Voltage（kV) | Tapping Range | Low Voltage (kV) | ||||
| 3150 |
33 35 38.5 |
±5% ±2×2.5% |
0.4 | 2.0 | 20.7 | 7 |
| 4000 | 2.3 | 24.6 | ||||
| 5000 | 2.8 | 28.2 | ||||
| 6300 | 3.4 | 31.5 | 8 | |||
| 8000 | 4.7 | 34.6 | ||||
| 10000 | 5.7 | 40.8 | ||||
| 12500 | 6.5 | 48.4 | ||||
| 16000 | 7.9 | 59.2 | ||||
| 20000 | 9.4 | 71.6 | ||||
| 25000 | 11.1 | 84.6 | 10 | |||
| 31500 | 13.1 | 100.8 | ||||
| S22 Oil-immersed Three-phase Double-winding No-load Voltage Regulation Power Transformers | ||||||
|
Rated Capacity kVA |
Voltage Combination |
No-Load Loss kW |
Load Loss(75℃) kW |
Short-circuit Impedance % |
||
| High Voltage（kV) | Tapping Range | Low Voltage (kV) | ||||
| 3150 |
33 35 38.5 |
±5% ±2×2.5% |
0.4 | 1.7 | 20.7 | 7 |
| 4000 | 2.0 | 24.6 | ||||
| 5000 | 2.4 | 28.2 | ||||
| 6300 | 2.9 | 31.5 | 8 | |||
| 8000 | 4.0 | 34.6 | ||||
| 10000 | 4.8 | 40.8 | ||||
| 12500 | 5.5 | 48.4 | ||||
| 16000 | 6.7 | 59.2 | ||||
| 20000 | 7.9 | 71.6 | ||||
| 25000 | 9.4 | 84.6 | 10 | |||
| 31500 | 11.1 | 100.8 | ||||
TSTY Transformer AdvantagesSilicon steel sheet: Use the best silicon steel sheets from Baosteel and Wuhan Iron and Steel in China, with high quality, high permeability and low loss;
Conductive rod: Highly conductive H62 material, effectively reducing heat generation and ensuring equipment stability;
Insulation system: New mineral insulating oil, enhanced insulation/extended life;
Tansformer box: Made of national standard high-quality steel plate profile, mechanical strength ≥345MPa, durable life >30 years.
Customized service: National project experience-- Leading the Hong Kong-Zhuhai-Macao Bridge, Hainan Free Trade Port and other projects, serving 20+ national power grid projects around the world (Southeast Asia/Middle East/Africa/Central Asia/Europe).
After-sales service guarantee: Professional operation and maintenance-- Multilingual 24-hour hotline + online platform, video installation instructions available, a team of certified engineers provides inspections, predictive maintenance and fault repairs.
About TSTYTSTY is a 30years' professional transformer manufacturer! We have three production bases: dry-type transformer production base, oil-immersed transformer production base and high and low voltage complete production base, with a total area of 250,000 square meters. We have more than 600 employees, more than 200 senior engineers and electrical R&D personnel. We have advanced transformer production and testing equipment to ensure that we provide customers with high-quality power transformer products.
Project CaseTSTY transformer products have been widely used in the industrial field, rural electrification, power grid upgrade and transformation, new energy and other fields. And TSTY has established in-depth cooperation with more than 20 national power grids.
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