20-24kV three-phase oil-immersed transformer
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Oil-lmmersed Power Transformer
Email：info@byttransformer.com
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This is an oil immersed transformer manufactured by Henan Kaibeite Transformer Co., Ltd. for chemical enterprises. Its model is SZ11-1600kVA/20/0.4. On load tap changers can ensure stable output voltage.
Oil-immersed on-load tap-changing transformer
Oil-immersed on-load tap-changing transformers utilise on-load automatic voltage regulation functionality to maintain stable output voltage in real time, protect electrical equipment, and reduce line losses. They are suitable for areas with poor voltage stability, such as rural grids, remote mountainous regions, and older urban areas, where high line impedance or significant load fluctuations (e.g., nighttime voltages as high as 250V and daytime voltages below 170V) necessitate dynamic voltage regulation to ensure power supply quality. These transformers are specifically designed to deliver exceptional performance, efficiency, and reliability in various industrial environments.
One of the core advantages of our transformers lies in their outstanding energy efficiency, which helps reduce power losses and operational costs over the long term. With advanced design features and high-quality materials, these transformers can withstand harsh operating conditions while maintaining stable performance.
Oil-immersed on-load tap-changing transformers are widely applicable in high-rise buildings, commercial centres, subways, airports, stations, industrial and mining enterprises, drilling platforms, and oil production platforms. They are particularly suitable for use in fire-prone areas with harsh environmental conditions, such as zones containing flammable and explosive materials. Additionally, they can be used for power supply and lighting in residential areas, commercial streets, industrial and mining enterprises, and rural regions.
|
Capacity(KVA) |
No-load Loss(W) |
Load Loss |
Impedance Voltage(%) |
No-load Current(%) |
Vector Group | Extend Connection | |
| Dyn11/Yzn11 | Yyno | ||||||
| 30 | 100 | 600 | 630 | 4.0 | 2.1 | Yyn0 OR Dyn11 |
±2*2.5% Or±5% |
| 50 | 130 | 870 | 910 | 2 | |||
| 63 | 150 | 1090 | 1040 | 1.9 | |||
| 80 | 180 | 1310 | 1250 | 1.8 | |||
| 100 | 200 | 1580 | 1500 | 1.6 | |||
| 125 | 240 | 1890 | 1800 | 1.5 | |||
| 160 | 280 | 2310 | 2200 | 1.4 | |||
| 200 | 340 | 2730 | 2600 | 1.3 | |||
| 250 | 400 | 3200 | 3050 | 1.2 | |||
| 315 | 480 | 3830 | 3650 | 1.1 | |||
| 400 | 570 | 4520 | 4300 | 1.0 | |||
| 500 | 680 | 5410 | 5150 | 1 | |||
| 630 | 810 | 6200 | 4.5 | 0.9 | |||
| 800 | 980 | 7500 | 0.8 | ||||
| 1000 | 1150 | 10300 | 0.7 | ||||
| 1250 | 1360 | 12000 | 0.6 | ||||
| 1600 | 1640 | 14500 | 0.6 | ||||
| 2000 | 1940 | 18300 | 5.0 | ||||
| 2500 | 2290 | 21200 | |||||
| S11 35kv Three-phase Dual-winding No-load Voltage Regulation Transformer spec | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Rated Capacity (KVA) | Voltage Combination | Connection Group Symbol | No-load Loss (W) | Load Loss (W) | No-load Current (%) | Impedance Voltage (%) | L*W*H(mm) | Active parts Weight (kg) * Oil Weight (kg) | Total Weight (kg) | ||
| High Voltage (KV) | Tapping Range of High Voltage | Low Voltage (KV) | |||||||||
| 630 | 35 | ±2×2.5% 士5% | 3.15 6.3 10.5 | Ydl1 | 830 | 7860 | 0.65 | 6.5 | 2400*1700*221 | 2210*900 | 3250 |
| 800 | 980 | 9400 | 0.65 | 2500*1850*239 | 2350*1030 | 3500 | |||||
| 1000 | 1150 | 11500 | 0.65 | 2700*1950*251 | 2490*1180 | 3860 | |||||
| 1250 | 1400 | 13900 | 0.55 | 2900*2050*263 | 2600*1350 | 4350 | |||||
| 1600 | 1690 | 16600 | 0.45 | 3050*2130*275 | 2810*1580 | 4855 | |||||
| 2000 | 2170 | 18300 | 0.45 | 3105*2195*280 | 2800*1800 | 5300 | |||||
| 2500 | 2560 | 19600 | 0.45 | 3150*2535*298 | 3525*2060 | 7665 | |||||
| 3150 | 35-38.5 | ±2×2.5% 土5% | 3.15 6.3 10.5 | 3040 | 23000 | 0.45 | 7 | 3920*2725*284 | 3950*2205 | 8565 | |
| 4000 | 3610 | 27300 | 0.45 | 3310*2915*307 | 4825*2560 | 10115 | |||||
| 5000 | 4320 | 31300 | 0.45 | 3480*3020*314 | 5700*2635 | 11305 | |||||
| 6300 | 5240 | 35000 | 0.45 | 8 | 3590*2905*321 | 7120*3240 | 13510 | ||||
| 8000 | 35-38.5 | ±2×2.5% | 3.15 3.3 6.3 6.6 10.5 | Ynd11 | 7200 | 38400 | 0.35 | 4070*3050*359 | 8875*3840 | 16690 | |
| 10000 | 8700 | 45300 | 0.35 | 4106*2795*365 | 10305*3600 | 17690 | |||||
| 12500 | 1000 | 53800 | 0.3 | 4570*3010*384 | 12830*4310 | 20990 | |||||
| 16000 | 1210 | 65800 | 0.3 | 5235*3295*461 | 16010*6650 | 27660 | |||||
| 20000 | 1440 | 79500 | 0.3 | 5360*3415*466 | 18820*7600 | 32170 | |||||
| 25000 | 1700 | 94000 | 0.25 | 10 | 5830*3810*486 | 22360*9800 | 42600 | ||||
| 31500 | 2020 | 112000 | 0.25 | 6290*4290*526 | 25110*12010 | 49960 | |||||
| S11 35kv No-load Voltage Regulation Transformer Spec | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Rated Capacity (KVA) | Voltage Combination | No-load Loss (W) | Load Loss (W) | Impedance Voltage(%) | No-load Current (%) | L*W*H(mm) | Active parts Weight (kg) Oil Weight (kg) | Total Weight (kg) | ||
| High Voltage (KV) | Tapping Range of High Voltage | Low Voltage (KV) | ||||||||
| 50 | 35 38.5 | ±5% ±2×2.5% | 0.4 | 160 | 1200/1140 | 6.5 | 1.3 | 1195*935*1825 | 300*330 | 860 |
| 100 | 230 | 2010/1910 | 1.1 | 1200*995*1935 | 470*383 | 1130 | ||||
| 125 | 270 | 2370/2260 | 1.1 | 1235*940*1955 | 550*465 | 1335 | ||||
| 160 | 280 | 2820/2680 | 1 | 1285*895*1950 | 580*485 | 1475 | ||||
| 200 | 340 | 3320/3160 | 1 | 1310*1150*1985 | 680*595 | 1755 | ||||
| 250 | 400 | 3950/3760 | 0.95 | 1450*1090*2010 | 860*650 | 2000 | ||||
| 315 | 480 | 4750/4530 | 0.95 | 1930*1065*2320 | 980*765 | 2290 | ||||
| 400 | 580 | 5740/5470 | 0.85 | 1850*1165*2015 | 1170*885 | 2725 | ||||
| 500 | 680 | 6910/6580 | 0.85 | 2045*1205*2415 | 1340*960 | 3090 | ||||
| 630 | 830 | 7860 | 0.65 | 2085*1240*2515 | 1550*895 | 3810 | ||||
| 800 | 980 | 9400 | 0.65 | 2305*1615*2685 | 1990*1030 | 4510 | ||||
| 1000 | 1150 | 11500 | 0.65 | 2545*1540*2590 | 2415*1475 | 5055 | ||||
| 1250 | 1400 | 13900 | 0.6 | 2495*2010*2675 | 2480*1405 | 5290 | ||||
| 1600 | 1690 | 16600 | 0.6 | 2680*2100*2770 | 2600*1490 | 5450 | ||||
| 2000 | 1990 | 19700 | 0.55 | 2790*2180*2860 | 2720*1590 | 5600 | ||||
| 2500 | 2360 | 23200 | 0.55 | 2900*2290*2980 | 2830*1720 | 5760 | ||||
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FAQ
Q1. What is the primary function of a three-phase oil immersed transformer?
The primary function is to convert high voltage electricity to lower voltage levels for safe distribution and use.
Q2. How does oil contribute to the performance of transformers?
Oil acts as both an insulator and a cooling medium, helping to dissipate heat and protect winding materials.
Q3. What are the benefits of using biodegradable insulating oils?
Biodegradable oils reduce environmental impact and are safer for the ecosystem in case of leakage.
Q4. How often should maintenance be performed on these transformers?
Regular inspections and maintenance should be conducted at least once a year, along with oil quality testing.
Q5. Can three-phase oil immersed transformers be used in renewable energy applications?
Yes, they are suitable for various applications, including renewable energy systems, to ensure efficient energy conversion and distribution.
Key words:
Oil Immersed Transformer
1600kVA 20kV three-phase oil-immersed transformer
20-24kV
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