Rated capacity (kVA) | Voltage Combination (kV) | Connection Symbol | Level 1 Energy Efficiency Loss Type 13 (W) | Level 2 Energy Efficiency Loss Type 13 (W) | Level 3 Energy Efficiency Loss Type 13 (W) | Loss Type 11 (W) | No-Load Current (%) | Impedance (%) | Gauge (mm) | |||||
HV | LV | No Load | On Load | No Load | On Load | No Load | On Load | No Load | On Load | |||||
30 | 6 6.3 6.6 10 11±5% or ±2*2.5% | 0.4 | Dyn11 or Yyn0 | 105 | 640 | 130 | 640 | 150 | 710 | 205 | 780 | 2 | 4 | 400×300 |
50 | 155 | 900 | 185 | 900 | 215 | 1000 | 285 | 1120 | 1.8 | 400×350 | ||||
80 | 210 | 1240 | 250 | 1240 | 295 | 1380 | 380 | 1550 | 1.6 | 400×315 | ||||
100 | 230 | 1415 | 270 | 1415 | 320 | 1570 | 410 | 1800 | 1.6 | 550×820 | ||||
125 | 270 | 1665 | 320 | 1665 | 375 | 1850 | 470 | 2100 | 4.2 | 550×820 | ||||
160 | 310 | 1915 | 365 | 1915 | 430 | 2130 | 550 | 2450 | 4.2 | 550×820 | ||||
200 | 360 | 2275 | 420 | 2275 | 495 | 2530 | 650 | 2850 | 4 | 550×820 | ||||
250 | 415 | 2485 | 490 | 2485 | 575 | 2760 | 740 | 3250 | 4 | 660×820 | ||||
315 | 510 | 3125 | 600 | 3125 | 705 | 3470 | 880 | 3900 | 1 | 660×820 | ||||
400 | 570 | 3590 | 665 | 3590 | 785 | 3990 | 1000 | 4600 | 0.9 | 660×820 | ||||
500 | 670 | 4390 | 790 | 4390 | 930 | 4880 | 1180 | 5470 | 0.9 | 660×820 | ||||
630 | 775 | 5290 | 910 | 5290 | 1070 | 5880 | 1350 | 6500 | 0.8 | 660×820 | ||||
630 | 750 | 5365 | 885 | 5365 | 1040 | 5960 | 1300 | 6700 | 0.8 | 6 | 660×820 | |||
800 | 875 | 6265 | 1035 | 6265 | 1215 | 6960 | 1540 | 7800 | 0.8 | 820×820 | ||||
1000 | 1020 | 7315 | 1205 | 7315 | 1415 | 8130 | 1750 | 9250 | 0.8 | 820×820 | ||||
1250 | 1205 | 8720 | 1420 | 8720 | 1670 | 9690 | 2030 | 11000 | 0.7 | 820×1020 | ||||
1600 | 1415 | 10555 | 1665 | 10555 | 1960 | 11730 | 2700 | 13500 | 0.6 | 820×1020 | ||||
2000 | 1760 | 13005 | 2075 | 13005 | 2440 | 14450 | 3000 | 16200 | 0.5 | 1070×1070 | ||||
2500 | 2080 | 15445 | 2450 | 15445 | 2880 | 17170 | 3500 | 19500 | 0.5 | 1070×1070 |
The table above is just one of our product parameters. If you want more information, please get in touch with info@wishpower.net
Vacuum Pressure Impregnated (VPI) Transformer stands as an electrical transformer design that receives thorough manufacturing treatment to boost its insulation abilities and total operational performance. Transformer windings receive insulation resin treatment through an application of vacuum pressure in the VPI manufacturing process. The impregnation of windings occurs while under vacuum to eliminate air and moisture which guarantees void-free and contaminant-free insulation. The resin penetrates every gap of insulation material through pressurized force after the vacuum stage which results in solid uniform coverage. The transformer’s dielectric strength along with resistance to electrical stresses and durability rate witness substantial enhancement through this method. Through VPI the process successfully minimizes the generation of damaging partial discharges. The construction method produces transformers that exhibit superior heat dissipation and enhanced reliability properties as well as better protection against moisture and pollutants in environmental conditions.
Vacuum Pressure Impregnated(VPI) application completes the saturation of insulating resin through all windings which fills every air space between coils. A securely bound insulation layer forms due to VPI because it creates uniformity which helps maintain reliable electrical performance and prevents breakdowns.
The transformer’s dielectric strength substantially increases when windings have their moisture along with air removed thoroughly and fill their spaces with resin. The insulation provides the transformer with a better ability to handle elevated voltage levels together with intense electrical loads while staying safe.
Partial discharges occur in two ways during transformer operation: first in air gaps within the winding insulation and second when water vapor forms between these gaps. Both degrade the transformer insulation and shorten its operational life. The insulation layer becomes void-free during VPI processing thereby eliminating all associated risks.
Transformers that receive VPI become more resistant to environmental elements such as moisture and dust along with pollutants. The transformer’s durability together with reliability increases due to these enhancements especially in situations where transformers experience extreme climate changes or corrosive substances.
VPI resin operates with enhanced thermal conductivity than traditional insulation materials used in the industry. The transformer can eliminate heat more effectively through this process which stops it from overheating while also reducing failure risk from high operating temperatures.
The lifetime of transformers extends due to improved insulation as well as enhanced dielectric strength and environmental factor resistance together. VPI-treatment of transformers creates systems that fail less frequently which results in lower maintenance expenses and longer operational duration.
VPI transformers operate in power generation stations through their capacity to deliver stability during high electrical load conditions. The combination of enhanced durability characteristics enables VPI-treated transformers to work effectively for generator step-up transformers since power output reliability is crucial.
Different equipment needs electrical power in hazardous areas of oil and gas facilities through this transformer type. These transformers provide exceptional resistance to moisture and survive corrosive elements as well as severe environmental conditions so they serve perfectly in offshore operations and isolated energy locations.
Such transformers serve important functions within renewable power systems which include wind farms together with solar power plants that need protection against rough outdoor conditions. Long-term operation together with reduced maintenance needs results from the transformer’s ability to fight moisture and environmental pollutants.
These transformers function in traction substations along with railway infrastructure because reliability requirements guarantee uninterrupted train power. These transformers excel when exposed to vibrations together with extremes in environmental conditions and heavy electrical load requirements since they maintain superb operational uptime for rail systems.
Largest manufacturing plants use VPI transformers for supplying electric power to various operational equipment that needs steady access to electricity. The improved heat resistance of VPI transformers along with better insulation capabilities enables them to reduce downtime suffered through electrical breakdowns.
The application of Vacuum Pressure Impregnated Transformers ensures power supply services to equipment working in soil mines through tunnels and shafts due to their ability to protect against environmental damage and mechanical stress. These transformers demonstrate dependable performance together with sturdy design which enables their use in inaccessible mining areas.
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