33KV Oil Immersed Power Transformer Distribution Transformer

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.

Brand Name:CLHT

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.

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33KV Transformer Parameters

                    35KV Oil Immersed Transformer Main Technical Parameters

                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 
4000  2.3  24.6 
5000  2.8  28.2 
6300  3.4  31.5 
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 
Transformer Advantages

Silicon 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.

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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 CLHT

clht 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. 

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Project Case

transformer products have been widely used in the industrial field, rural electrification, power grid upgrade and transformation, new energy and other fields. And clht has established in-depth cooperation with more than 20 national power grids.

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Product Advantage

1. The most advanced epoxy resin casting process in China is adopted, which has good insulation performance;

2. The new cold-pressed oriented silicon steel sheet is used as the iron core, and the seven-step 45-degree full-bevel joint has beautiful craftsmanship, and the no-load loss is reduced by 3-5% percentage points compared with the three-step;

3. In the traditional dry-type transformer production, the insulating paint of the iron core is mostly black or black, while TSTY uses transparent insulating paint, which can intuitively see the process and materials.

4. The core bending clamp is designed independently, with a simple structure, convenient manufacturing and installation, and greatly reduced operating noise.

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Certified Patents

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