33KV oil immersed transformer
Product Application
This high-performance transformer is widely used in various industrial and commercial fields, including power plants, substations, factories and large infrastructure projects. It is designed to convert electrical energy efficiently and safely, ensuring a stable and reliable power supply for diverse operational needs.
Product Advantages and Features
The 33KV oil-immersed transformer is a high-performance product with several significant advantages and features. First, it has strong short-circuit resistance and is carefully designed to withstand and mitigate the impact of short-circuit events, thereby ensuring the safety and stability of the power system. Second, with advanced design and materials, the transformer effectively reduces power loss, promotes energy efficiency and cost savings. In addition, the innovative structure and components minimize the noise generated by the transformer during operation, creating a quieter working environment.
In terms of reliability, through strict testing and quality control, the product provides consistent and reliable performance to meet the needs of continuous operation. At the same time, the appearance of the transformer has been carefully designed to not only meet functional requirements but also enhance the visual appeal of the installation site.
In terms of product features, the transformer incorporates state-of-the-art design elements to optimize performance and durability. Using steel strips as high and low voltage clamps, the transformer achieves a sturdy and safe structure to ensure long-term reliability. The core fixing strength is significantly enhanced, improving the transformer's ability to withstand transportation shocks and environmental stresses. In addition, the product meets and exceeds international standards, ensuring its suitability for diverse applications around the world.
In conclusion, 33KV oil immersed transformer has become an ideal solution for various power conversion needs with its excellent performance, reliability and beautiful design, and is widely used in industrial and commercial fields.
Normal Service Conditions and Implementation Standards
Under normal service conditions, the operating environment requirements for 33KV oil-immersed transformers are as follows:
●Altitude: not more than 1000 meters;
●Ambient temperature:
Maximum temperature: +40°C;
Maximum monthly average temperature: +30℃;
Maximum annual average temperature: +20℃;
Minimum outdoor temperature: -25℃.
●Power supply voltage waveform: should be similar to a sine wave;
●Three-phase transformer: Its three-phase supply voltage should be roughly symmetrical;
●Installation environment: The installation environment should be free of obvious pollution;
●Ground acceleration caused by earthquake: less than 3m/s² in horizontal direction and less than 1.5m/s² in vertical direction.
In addition, the product implementation standards include:
|
GB/T1094.1 |
GB/T1094.2 |
GB/T1094.3 |
GB/T1094.5 |
|
GB/T25289 |
GB/T6451 |
GB/T7595 |
GB20052 |
|
JB/T3837 |
JB/T10088 |
IEC60076 |
|
The transformer products produced by our company all comply with the latest versions of the above standards. These service conditions and execution standards ensure the high performance and reliability of the transformer in various power conversion needs.
Special Conditions of Use
Any special use conditions that require the transformer to meet normal use conditions should be clearly stated in the inquiry and order.
Ordering Instructions
When placing an order, you need to provide information such as product model, rated capacity, high and low voltage rated voltage, high voltage distribution range, number of phases, frequency, connection group identification, etc.
33kV oil immersed power transformer
Technical parameters of 33kV S11 series oil-immersed non-excitation voltage regulating distribution transformer
|
Rated capacity kV.A |
Voltage combination kV |
Connecting group |
Loss kW |
No-load current % |
Short-circuit impedance % |
Weight kg |
Overall dimension Length×Width×Height |
Gauge Vertical Horizontal |
||||
|
High voltage |
Low voltage |
No-load |
Load |
Body weight |
Oi weight |
Total weight |
||||||
|
30 |
33 35 38.5 |
0.4 |
Dyn11 |
0.14 |
0.89/0.84 |
1.7 |
6.5 |
165 |
230 |
580 |
1320×550×1550 |
550/550 |
|
50 |
0.16 |
1.20/1.14 |
1.3 |
230 |
265 |
730 |
1360×700×1680 |
|||||
|
80 |
0.22 |
1.80/1.71 |
1.1 |
310 |
310 |
870 |
1395×730×1730 |
|||||
|
100 |
0.23 |
2.01/1.91 |
1.1 |
370 |
340 |
1000 |
1440×760×1810 |
|||||
|
125 |
0.27 |
2.37/2.26 |
1.0 |
440 |
380 |
1120 |
1450×800×1940 |
660/660 |
||||
|
160 |
0.28 |
2.82/2.68 |
1.0 |
540 |
415 |
1360 |
1470×800×2910 |
|||||
|
200 |
0.34 |
3.32/3.16 |
1.0 |
635 |
455 |
1540 |
1500×800×2050 |
|||||
|
250 |
0.40 |
3.95/3.76 |
0.95 |
725 |
490 |
1745 |
1530×830×2090 |
|||||
|
315 |
0.48 |
4.75/4.53 |
0.95 |
825 |
525 |
1910 |
1550×870×2150 |
|||||
|
400 |
0.58 |
5.74/5.47 |
0.85 |
980 |
595 |
2220 |
1600×940×2200 |
820/820 |
||||
|
500 |
0.68 |
6.91/6.58 |
0.85 |
1210 |
680 |
2640 |
1750×1000×2280 |
|||||
|
630 |
0.83 |
7.86 |
0.65 |
1110 |
800 |
3175 |
2130×950×2400 |
|||||
|
800 |
0.98 |
9.40 |
0.65 |
1625 |
850 |
3595 |
2210×1075×2450 |
|||||
|
1000 |
1.15 |
11.50 |
0.65 |
1955 |
965 |
4260 |
2250×1090×2630 |
|||||
|
1250 |
1.40 |
13.90 |
0.6 |
2250 |
1130 |
4835 |
2210×1740×2690 |
070/1070 |
||||
|
1600 |
1.69 |
16.60 |
0.6 |
2890 |
1260 |
5995 |
2250×2145×2700 |
|||||
|
2000 |
1.99 |
19.7 |
0.55 |
3070 |
1330 |
6445 |
2320×2170×2750 |
|||||
|
2500 |
2.36 |
23.2 |
0.55 |
3555 |
1390 |
7080 |
2340×2180×2510 |
|||||
Note:
① High voltage can provide 5%or 2×2.5%voltage regulation range
② The load loss value above the diagonal line in the table is applicable to Dynl1 connection group,and the load loss value below the diagonal line is applicable to Yyn0 connection group.
③ The overall dimensions provided are only for reference when selecting models,and the final dimensions are subject to the product external drawing.
Technical parameters of 33kV S11 series oil-immersed non-excitation voltage regulating power transformer
|
Rated capacity kV.A |
Voltage combination kV |
Connecting group |
Loss kW |
No-load current % |
Short-circuit impedance % |
Weight kg |
Overall dimension Length x Width x Height |
Gauge Vertical Horizontal |
|||||
|
High voltage |
High voltage tap range |
Low voltage |
No-load |
Load 75℃ |
Body weight |
Oi weight |
Total weight |
||||||
|
200 |
33 35 |
±2×2.5 |
3.15 |
Yd11 |
0.34 |
3.16 |
1.2 |
6.5 |
670 |
405 |
1445 |
1240×1270×1700 |
660/660 |
|
250 |
0.41 |
3.75 |
1.1 |
735 |
410 |
1550 |
1290×1280×1810 |
||||||
|
315 |
0.49 |
4.53 |
1.1 |
910 |
485 |
1855 |
1300×1350×1960 |
||||||
|
400 |
0.58 |
5.47 |
1.0 |
1015 |
585 |
2000 |
2020×940×1990 |
820/820 |
|||||
|
500 |
0.69 |
6.58 |
1.0 |
1225 |
675 |
2460 |
2150×1000×2040 |
||||||
|
630 |
0.83 |
7.86 |
0.65 |
1335 |
695 |
2665 |
2260×1060×2050 |
||||||
|
800 |
0.98 |
9.40 |
0.65 |
1695 |
825 |
3355 |
2330×1080×2130 |
||||||
|
1000 |
1.15 |
11.50 |
0.65 |
1975 |
920 |
3785 |
2390×1100×2190 |
||||||
|
1250 |
1.40 |
13.90 |
0.55 |
2155 |
990 |
4250 |
2450×1210×2210 |
||||||
|
1600 |
1.69 |
16.60 |
0.45 |
2505 |
1120 |
4995 |
2475×1230×2420 |
10701070 |
|||||
|
2000 |
2.17 |
18.30 |
0.45 |
2815 |
1155 |
5460 |
2380×2010×2430 |
||||||
|
2500 |
2.56 |
19.60 |
0.45 |
3730 |
1370 |
6305 |
2460×2150×2520 |
||||||
|
3150 |
33~ 38.5 |
3.04 |
23.00 |
0.45 |
7.0 |
4165 |
1650 |
8360 |
2550×2220×2540 |
||||
|
4000 |
3.62 |
27.30 |
0.45 |
5160 |
1970 |
9350 |
2670×2390×2630 |
||||||
|
5000 |
4.32 |
31.30 |
0.45 |
6130 |
2215 |
10770 |
2870×2450×2930 |
||||||
|
6300 |
5.24 |
35.00 |
0.45 |
8.0 |
8120 |
2705 |
13885 |
3100×2580×3070 |
1475/1475 |
||||
|
8000 |
33~ 38.5 |
YNd11 |
7.20 |
38.40 |
0.35 |
9760 |
2915 |
15510 |
3250×2680×3270 |
||||
|
10000 |
8.70 |
45.30 |
0.35 |
11025 |
3225 |
18150 |
3320×2720×3350 |
||||||
|
12500 |
10.00 |
53.80 |
0.30 |
14170 |
4085 |
21760 |
3410×2950×3530 |
||||||
|
16000 |
12.10 |
65.80 |
0.30 |
17735 |
4710 |
26350 |
3520×3180×3690 |
||||||
|
20000 |
14.40 |
79.50 |
0.30 |
20430 |
5755 |
32560 |
3730×3560×4110 |
||||||
|
25000 |
17.00 |
94.00 |
0.25 |
10.0 |
25265 |
7010 |
38885 |
4110×4120×4340 |
2040/2040 |
||||
|
31500 |
20.20 |
112.0 |
0.25 |
30360 |
8515 |
46090 |
4760×4570×4510 |
||||||
Note:
① High voltage can provide 5%or 2×2.5%voltage regulation range.
② For transformers with low voltage of 10.5kV,products with Dyn11 connection group can be provided.
③ The overall dimensions provided are only for reference when selecting models,and the final dimensions are subject to the product external drawing.
Technical parameters of 33kV SZ11 series on-load voltage regulating oil-immersed power transformer
|
Rated capacity kV.A |
Voltage combination kV |
Connecting group |
Loss kW |
No-load current % |
Short-circuit impedance % |
Weight kg |
Overall dimension Length xWidth x Height |
Gouge Vertical Horizontal |
|||||
|
High voltage |
High voltage tap range |
Low voltage |
No-load |
Load 75℃ |
Body weight |
Oil weight |
Total weight |
||||||
|
800 |
33 35 |
±3 X 2.5 |
6.3 |
Yd11 |
1.25 |
9.88 |
0.9 |
6.5 |
1735 |
995 |
3625 |
2790×1220×2130 |
820/820 |
|
1000 |
1.50 |
12.16 |
0.9 |
2015 |
1105 |
4055 |
2830×1240×2150 |
||||||
|
1250 |
1.77 |
14.63 |
0.81 |
2190 |
1155 |
4580 |
2870×1310×2210 |
||||||
|
1600 |
2.16 |
17.48 |
0.77 |
2535 |
1295 |
5245 |
2875×1310×2380 |
||||||
|
2000 |
2.30 |
19.20 |
0.50 |
2855 |
1345 |
5935 |
2980×2880×2380 |
||||||
|
2500 |
2.72 |
20.60 |
0.50 |
3815 |
1575 |
6745 |
3060×2190×2490 |
1070/1070 |
|||||
|
3150 |
33~ 38.5 |
3.23 |
24.70 |
0.50 |
7.0 |
4235 |
1860 |
8780 |
3180×2240×2510 |
||||
|
4000 |
3.87 |
29.10 |
0.50 |
5230 |
2260 |
9820 |
3270×2410×2600 |
||||||
|
5000 |
4.64 |
34.20 |
0.50 |
6195 |
2545 |
11510 |
3490×2480×2840 |
||||||
|
6300 |
5.63 |
36.70 |
0.50 |
8.0 |
8315 |
3095 |
14805 |
3710×2600×3005 |
475/1475 |
||||
|
8000 |
6.3 |
YNd11 |
7.87 |
40.60 |
0.40 |
9870 |
3480 |
16590 |
3850×2680×3230 |
||||
|
10000 |
9.28 |
48.00 |
0.40 |
11025 |
4160 |
19930 |
3960×2750×3310 |
||||||
|
12500 |
10.0 |
56.80 |
0.35 |
14270 |
5265 |
24295 |
4035×2980×3530 |
||||||
|
16000 |
13.1 |
70.30 |
0.35 |
17780 |
6280 |
28720 |
4140×3200×3660 |
||||||
|
20000 |
15.5 |
82.70 |
0.30 |
20205 |
7415 |
37380 |
4070×3580×4170 |
||||||
|
25000 |
18.3 |
97.8 |
0.30 |
10.0 |
24950 |
9030 |
43425 |
4710×4120×4310 |
2040/2040 |
||||
|
31500 |
21.8 |
116.00 |
0.30 |
29820 |
11025 |
51555 |
5360×4570 |
||||||
Note:
① For transformers with low voltage of 10.5kV,products with Dyn11 connection group can be provided.
②The maximum current tap is -7.5%tap position.
③ The overall dimensions provided are only for reference when selecting models,and the final dimensions are subject to the product external drawing.
Model And Meaning
