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Resin Dry Type Transformer Suppliers

Dry-type transformers that use thin layers of epoxy resin to encapsulate high- and low-voltage windings have the advantages of flame retardancy, self-extinguishing, moisture-proof, and good heat dissipation performance. It can go deep into load centers, such as high-rise buildings, airports, docks, power plants, residential areas, or complete sets of substations and other places.
Technical parameter
Rated capacity
(KVA)		 Loss level code SC(B)10 SC (B)11 SC(B)12 SC(B)13
Voltage combination and tapping range Join group label Short-circuit impedance
(%)		 No-load current
(%)		 No-load loss
(W)		 Load loss
(W)
120℃		 No-load loss
(W)		 Load loss
(W)
120℃		 No-load loss
(W)		 Load loss
(W)
120℃		 No-load loss
(W)		 Load loss
(W)
120℃
High tension
(KV)		 High-pressure tap range
(%)		 Low pressure
(KV)
30 6
6.3
10
10.5
11		 ±5
±2×2.5		 0.4 Yyn0
or
Dyn11		 4.0 2.0 190 710 170 710 150 710 135 640
50 2.0 270 1000 240 1000 215 1000 195 900
80 1.5 370 1380 330 1380 295 1380 265 1240
100 1.5 400 1570 360 1570 320 1570 290 1410
125 1.3 470 1850 420 1850 375 1850 340 1660
160 1.3 540 2130 480 2130 430 2130 385 1910
200 1.1 620 2530 550 2530 495 2530 445 2270
250 1.1 720 2760 640 2760 575 2760 515 2480
315 1.0 880 3470 790 3470 705 3470 635 3120
400 1.0 980 3990 880 3990 785 3990 705 3590
500 1.0 1160 4880 1040 4880 930 4880 835 4390
630 0.85 1340 5880 1200 5880 1070 5880 965 5290
630 6 0.85 1300 5960 1170 5960 1040 5960 935 5360
800 0.85 1520 6960 1360 6960 1215 6960 1090 6260
1000 0.85 1770 8130 1590 8130 1415 8130 1270 7310
1250 0.85 2090 9690 1880 9690 1670 9690 1500 8720
1600 0.85 2450 11730 2200 11730 1960 11730 1760 10500
2000 0.70 3050 14450 2740 14450 2440 14450 2190 13000
2500 0.70 3600 17170 3240 17170 2880 17170 2590 15400
1600 8 0.85 2450 12960 2200 12960 1960 12960 1760 11600
2000 0.70 3050 15960 2740 15960 2440 15960 2190 14300
2500 0.70 3600 18890 3240 18890 2880 18890 2590 17000
Data in the table is subject to change without prior notice, subject to product delivery.
Normal usage conditions:
The altitude does not exceed 1000m
indoor
Maximum ambient temperature +40℃
Maximum daily average temperature +30℃
Maximum annual average temperature +20℃
Minimum temperature -25℃
Transformers operating under special conditions of use can be provided according to user requirements.
About Us
Jiangsu Dingxin Electric Co., Ltd.
Jiangsu Dingxin Electric Co., Ltd. is located in the Industrial Park of Haian Development Zone, a development zone in Jiangsu Province. It is a high-tech enterprise in Jiangsu Province specializing in the production of power equipment, with an annual production capacity of 50 million KVA. It mainly produces 110KV, 220KV and 500KV ultra-high voltage transformers, various dry-type transformers, oil-immersed transformers, amorphous alloy transformers, wind and solar energy storage transformers, prefabricated substations and reactors of various specifications with voltage levels of 35KV and below. , electric furnace transformer, rectifier transformer, mining transformer, split transformer, phase shift transformer and other special transformer. As China Wholesale Resin Dry Type Transformer Suppliers and ODM Resin Dry Type Transformer Company, companies have successively passed IS09001, ISO14001, ISO45001, ISO19011 system certification. Among the customers we cooperate with are many urban and rural power grids, as well as petrochemical, metallurgical, textile enterprises, mines, ports, residential communities, etc. We have long-term cooperation with many well-known companies, and we are also qualified suppliers for many listed companies in the electrical industry. Product sales cover the national market and are exported to Europe, the United States, Australia, Indonesia, Russia, Africa, Vietnam and other countries.
Certificate Of Honor
  • Business Licence
  • S22-M-250/10-Nx1 And Energy Efficiency Report
  • SCB18-800/10-NX1 And Energy Efficiency Report
  • SCB18-500/10-NX1 And Energy Efficiency Report
  • SCB18-2500/10-NX1 And Energy Efficiency Report
  • S13-M-1000/10KV Type Test Report
  • S13-M-1000/20KV Type Test Report
  • S13-M.RL-630/10KV Type Test Report
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Industry knowledge
How does the performance and protection of the resin insulation used in Resin Dry Type Transformer examine with conventional oil insulation?
The performance and protection of the resin insulation utilized in Resin Dry Type Transformers as compared to standard oil insulation involve various factors. Here's a evaluation:
Performance:
Dielectric Properties:
Resin Insulation: Resin materials typically have accurate dielectric properties, supplying powerful electrical insulation.
Oil Insulation: Transformer oils additionally offer fantastic dielectric energy but may be suffering from factors like temperature, moisture, and impurities.
Temperature Stability:
Resin Insulation: Resins can face up to better temperatures, making them suitable for programs where transformers might perform in increased temperature environments.
Oil Insulation: Transformer oils have particular temperature limits, and excessive warmth can have an effect on their overall performance and decrease insulation homes.
Efficiency:
Resin Insulation: Resin dry-type transformers are acknowledged for high performance and reliability, regularly having decrease losses compared to a few oil-immersed transformers.
Oil Insulation: The efficiency of oil-immersed transformers is generally high but can be motivated with the aid of elements like oil excellent, temperature, and cooling methods.
Safety:
Fire Safety:
Resin Insulation: Resin insulation is inherently fire-resistant, and Resin Dry Type Transformers are acknowledged for their self-extinguishing residences. They are much less at risk of hearth dangers compared to grease-immersed transformers.
Oil Insulation: Oil-immersed transformers bring a better hazard of fire due to the flammable nature of transformer oils. The presence of oil will increase the severity of fireplace incidents.
Environmental Impact:
Resin Insulation: Resin dry-type transformers are taken into consideration environmentally friendly as they dispose of the chance of oil spills.
Oil Insulation: Oil spills from damaged transformers may have huge environmental influences, requiring careful coping with and cleanup methods.
Maintenance:
Resin Insulation: Resin dry-type transformers commonly require less preservation compared to oil-immersed transformers. There isn't any need for oil trying out, and the risk of oil leaks is removed.
Oil Insulation: Oil-immersed transformers require ordinary oil checking out and tracking for signs of decay. Oil leaks or infection may also necessitate upkeep activities.
Other Considerations:
Installation Flexibility:
Resin Insulation: Dry-type transformers with resin insulation offer greater flexibility in set up locations, as they do not require unique vaults or containment systems.
Oil Insulation: Oil-immersed transformers require specific installation conditions, such as containment structures to manage capability oil leaks.
Cost:
Resin Insulation: Initial prices for resin dry-type transformers might be higher, however they are able to offer cost savings over time because of decrease upkeep necessities.
Oil Insulation: Oil-immersed transformers may also have lower preliminary prices but should incur higher renovation and operational fees over their lifespan.

What maintenance measures are recommended for Resin Dry Type Transformer?
Resin Dry Type Transformers usually require less protection in comparison to grease-immersed transformers. However, ordinary inspections and preventive measures are vital to ensure their reliable and green operation. Here are a few advocated maintenance measures for Resin Dry Type Transformers:
Visual Inspections:
Conduct normal visible inspections of the transformer's exterior, searching out signs and symptoms of damage, corrosion, or infection. Check for any unfastened connections or additives.
Temperature Monitoring:
Monitor the working temperature of the transformer. An odd temperature upward thrust could suggest issues with the cooling machine, air flow, or other internal troubles.
Cleanliness:
Keep the transformer and its surrounding area easy. Dust and debris accumulation on the transformer surfaces can affect heat dissipation and insulation houses.
Airflow and Ventilation:
Ensure that the air flow gadget is functioning nicely. Adequate airflow is crucial for green cooling. Clean or update air filters as wished.
Electrical Testing:
Perform ordinary electric tests to evaluate the insulation resistance, dielectric power, and overall electric overall performance of the transformer. This may also include megger assessments and electricity issue exams.
Inspection of Insulation:
Check the insulation cloth for any symptoms of decay, cracking, or discoloration. Ensure that the resin insulation stays intact and isn't compromised.
Torque Checks:
Periodically check and tighten any free connections, together with bolts and terminals. Ensure that electrical connections are steady to save you overheating and capacity failures.
Humidity Control:
Maintain a controlled environment to prevent the ingress of moisture. Although Resin Dry Type Transformers are less susceptible to moisture-associated issues, immoderate humidity can still effect their overall performance.
Bushing Inspections:
Inspect bushings for symptoms of harm or leaks. Check for any atypical put on or discoloration that might imply ability issues.
Thermographic Surveys:
Conduct thermographic surveys to discover any abnormal temperature styles that would imply internal problems. This can help identify capability troubles earlier than they result in failures.
Conservator Tank:
If the transformer is ready with a conservator tank, screen the oil stage and look into the tank for any signs of damage. Ensure that the tank's breather is in correct situation.
External Corrosion Prevention:
Take measures to save you external corrosion, specifically in harsh environments. Consider applying protecting coatings to the transformer surfaces.