01
35KV Oil-immersed Power Transformer
Product Application
This high-performance transformer is widely used in various industrial and commercial applications, including power plants, substations, factories, and large-scale infrastructure projects. It is designed to efficiently and safely transform electrical energy, ensuring a stable and reliable power supply for diverse operational needs.
Product Advantages
● Strong Short-circuit Resistance: The transformer is engineered to withstand and mitigate the impact of short-circuit events, ensuring the safety and stability of the electrical system.
● Low Power Loss: With advanced design and materials, this transformer minimizes power loss, contributing to energy efficiency and cost savings.
● Minimal Noise: The innovative construction and components of the transformer result in reduced operational noise, creating a quieter working environment.
● Reliable Operation: Through rigorous testing and quality control, this product delivers consistent and dependable performance, meeting the demands of continuous operation.
● Aesthetic Design: The transformer’s exterior is thoughtfully designed to not only meet functional requirements but also enhance the visual appeal of the installation location.
Product Features
● Advanced Design: The transformer incorporates state-of-the-art design elements to optimize performance and durability.
● Enhanced Structural Integrity: Utilizing steel straps for high and low voltage clamps, the transformer achieves a robust and secure structure, ensuring long-term reliability.
● Improved Core Fastening: The core fastening strength is significantly enhanced, enhancing the transformer’s ability to withstand transportation impact and environmental stress.
● Global Standards Compliance: This product meets and exceeds international standards, ensuring its suitability for diverse applications worldwide.
In conclusion, the 35KV oil-immersed power transformer stands out as a high-performance, reliable, and aesthetically pleasing solution for various electrical power transformation needs. Its advanced design, robust construction, and exceptional performance make it a top choice for industrial and commercial applications globally.
Normal service conditions
Altitude
No more than 1000m;
Environmental temperature:
The maximum temperature is+40℃;
The maximum monthly average temperature is +30℃;
The maximum annual average temperature is +20℃;
The outdoor minimum temperature is -25℃。
The waveform of power supply voltage is similar to sine wave.
For three-phase transformer,its three-phase supply voltage should be approximately symmetrical. Installation environment:
There is no obvious pollution in the installation envionment;
The ground acceleration ag caused by earthquake is lower than 3m/s²in the horizontal direction and 1.5m/s² in the vertical direction.
Executive standard
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 meet the latest version of the above standards.
Special Conditions of Use
Any special use conditions that need to meet the normal use conditions of the transformer shall be stated in the inquiry and order.
Ordering instructions
When ordering,the product model,rated capacity,rated voltage of high and low voltage,high voltage distribution range,phase number,frequency,connection group label,etc.shall be provided.
Model and meaning
35kV Oil-immersed power transformer
Technical parameters of 35kV 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 | 35 38.5 |
0.4 | Dyn11 Yyn0 |
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 35kV 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 | 35 | ±2×2.5 | 3.15 6.3 10.5 3.15 3.3 6.3 6.6 10.5 |
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 | 35~ 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 | 35~ 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 35kV 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 | 35 | ±3 X 2.5 |
6.3 10.5 |
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 | 35~ 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 6.6 10.5 11 |
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 | 5360×4570×4450 | ||||||
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.