Home / Products / Oil Immersed Transformer / Distribution Transformer
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 Distribution Transformer Suppliers and ODM Distribution 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
Industry knowledge
What is the main use of Distribution Transformer in power systems?
The main use of Distribution Transformers in power systems is to facilitate the efficient distribution of electrical power from the transmission system to end-users, such as homes, businesses, and industries. Distribution Transformers play a crucial role in stepping down the voltage from the higher levels used in transmission lines to the lower levels suitable for local distribution. Here are the primary purposes and uses of Distribution Transformers:
Voltage Transformation:
Step-Down Transformation: Distribution Transformers primarily step down high voltage from the transmission system (typically in the range of thousands of volts) to lower voltage levels suitable for local distribution. Common voltage levels include 11 kV, 6.6 kV, 4.16 kV, and 2.4 kV on the primary side and 400 V or 230 V on the secondary side for residential and commercial applications.
Power Distribution:
Local Distribution Networks: Distribution Transformers are strategically located throughout the power distribution network, typically near or within populated areas. They are installed on utility poles, in substations, or on the ground to serve specific regions or neighborhoods.
End-User Supply:
Supply to Homes and Businesses: The stepped-down voltage from Distribution Transformers is then distributed through local power lines to homes, businesses, and other end-users. The lower voltage is safer for utilization in residential and commercial settings.
Reducing Transmission Losses:
Efficient Power Transfer: By stepping down the voltage close to the point of consumption, Distribution Transformers help reduce transmission losses. Lower voltages experience less resistance during transmission, resulting in more efficient power transfer.
Voltage Regulation:
Maintaining Voltage Levels: Distribution Transformers help maintain consistent voltage levels within acceptable limits. They contribute to the stability and reliability of the local distribution system, ensuring that end-users receive electricity at the required voltage.
Integration with Renewable Energy Sources:
Connecting Distributed Generation: Distribution Transformers play a role in integrating distributed energy resources, such as solar panels or wind turbines, into the local distribution grid. They facilitate the connection of these decentralized sources to the larger power system.
Overcurrent Protection:
Fuse Protection: Distribution Transformers often include protective devices, such as fuses, to prevent overcurrent conditions. These devices enhance the safety and reliability of the distribution system.
Isolation and Safety:
Electrical Isolation: Distribution Transformers provide electrical isolation between the high-voltage transmission system and the lower-voltage distribution system. This isolation enhances safety and protects end-users and equipment from high-voltage faults.
Versatility in Installation:
Pole-Mounted and Pad-Mounted Transformers: Distribution Transformers are designed for various installation methods, including pole-mounted transformers for overhead distribution lines and pad-mounted transformers for ground-level installations. This versatility allows for efficient deployment in diverse environments.

What measures have to be taken to lessen losses at some point of the operation of Distribution Transformer?
Reducing losses throughout the operation of a Distribution Transformer is crucial for improving typical gadget performance. Transformer losses may be categorised into copper losses (ohmic losses inside the windings) and center losses (hysteresis and eddy cutting-edge losses within the core). Here are measures that can be taken to reduce losses in a Distribution Transformer:
1. Selection of High-Efficiency Transformers:
Choose transformers with better performance scores. High-efficiency transformers have decrease losses and are designed to function extra successfully underneath various loads.
2. Proper Sizing and Loading:
Ensure transformers are appropriately sized for the weight they serve. Oversized transformers operating at low loads can enjoy higher losses. Conversely, overloading a transformer can result in extended losses and reduced performance.
3. Optimize Loading:
Distribute the burden calmly among transformers in a distribution community. Avoid overloading particular transformers, as this could lead to expanded losses.
4. Efficient Cooling Systems:
Optimize the cooling machine of the transformer. Proper cooling, whether thru herbal convection, forced air, or oil cooling, allows use up warmth efficaciously, decreasing losses.
5. Voltage Regulation:
Implement powerful voltage regulation measures to keep voltage tiers inside permissible limits. Voltage fluctuations can make a contribution to extra losses within the transformer.
6. Load Factor Improvement:
Improve the load aspect by way of increasing the utilization of the transformer. A higher load issue reduces constant losses in the transformer.
7. Regular Maintenance:
Conduct normal maintenance exams to make certain that the Distribution Transformer is in exact situation. Inspect for unfastened connections, damaged insulation, and other problems that would make a contribution to elevated losses.
Eight. Use of Energy-Efficient Materials:
Utilize power-green materials in transformer production. Advanced substances with lower core losses, along with amorphous steel cores, can make a contribution to basic efficiency.
Nine. Load Management:
Implement load management techniques to distribute hundreds frivolously amongst transformers. This facilitates prevent overloading of particular transformers and decreases universal losses.