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How to Improve the Load Capacity of Oil Immersed Transformers

2025-08-27

Increasing the load capacity of an Oil Immersed Transformer is a common challenge for many industries aiming to optimize performance without replacing entire units. With strategic upgrades and proper maintenance, it’s possible to enhance capacity efficiently and reliably.

Key factors affecting load capacity include cooling efficiency, insulation quality, and internal conductor design. At Lugao, we engineer transformers that not only meet standard requirements but are also designed for scalability under demanding conditions.

Oil Immersed Transformer

To maximize the performance of your Oil Immersed Transformer, consider the following aspects:

  • Cooling System Enhancement: Upgrading to forced oil or water cooling can significantly improve heat dissipation.

  • Regular Maintenance: Clean insulation, timely oil replacement, and dissolved gas analysis help sustain efficiency.

  • Use of High-Temperature Materials: Options such as thermally upgraded paper and advanced alloys allow higher operating temperatures.

Here’s a quick comparison of standard and enhanced configurations:

Feature Standard Transformer Enhanced Lugao Transformer
Max Operating Temperature 105°C 120°C
Cooling Method ONAN OFAF
Typical Load Capacity 100% Up to 130%

FAQ

What regular maintenance can improve transformer loading?
Regular oil testing, cooling system cleaning, and ensuring breathers are functional help maintain efficiency and increase load capacity.

Can old transformers be upgraded for higher capacity?
Yes, with modifications such as adding better cooling, replacing old insulation, and using advanced oil, older units can see significant improvements.

Is it safe to overload an oil immersed transformer temporarily?
Short-term overloads are possible if the transformer has adequate cooling and the insulation is in good condition, but always consult manufacturer guidelines.

For tailored solutions that enhance your Oil Immersed Transformer’s performance, contact us at Lugao. Let our experts help you build a more resilient and powerful energy system.

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