Used SEO 2,500 kva transformer, 15/400 V

1. Product description

The 2,500 kva SEO transformer, with tensions of 15 kV (average voltage) and 400 V (low voltage), is an essential appliance for the control and distribution of electricity. This used transformer, overhauled and equipped with a testing and one -year guarantee, offers a robust solution for industrial and commercial applications.

2. Technical Specifications

• Brand and model: SEO 2,500 kva
• Year of construction: (not specified, but overhauled and guaranteed)
• Power: 2,500 kva
• Primary voltage (Mt): 15 kV
• Secondary voltage (BT): 400 V
• Type of isolation: mineral oil or resin (specific for used transformers, isolation may vary)

3. Components and structure

• Nucleus:

  • Material: built in silicon steel slats to reduce losses for hysteresis and parasite currents.
  • Design: Sandwich design that improves efficiency and reduces noise.

• Bobins:

  • Material: windings made of copper or aluminum, covered with high resistance insulation.
  • Configuration: separation between primary and secondary coils to minimize losses and optimize performance.

• Tank and isolation:

  • Type of isolation: based on the configuration, it could be in mineral or resin oil. Mineral oil is used in older transformers and provides both isolation and cooling. The resin offers advanced protection against humidity and atmospheric agents.

• Cooling System:

  • Mineral oil: use oil for cooling and isolation.
  • Resin: if in resin, the cooling system is incorporated and does not require oil.

4. Dimensions and weight

• Dimensions: 2,500 kva transformers are generally large. The dimensions can be approximately 4 x 3 x 4 meters, but it is advisable to consult the exact specifications of the manufacturer.
• Weight: about 6,000 - 8,000 kg, depending on the construction and the materials used.

5. Mechanical characteristics

• Efficiency: high efficiency thanks to high quality materials and advanced design.
• Reliability: robust and designed for intensive use in industrial and commercial environments.
• Protection: good protection thanks to the high quality isolation and the transformer structure.

6. Use procedure

1. Installation:

   • Positioning: place the transformer on a stable base, considering the space for ventilation and maintenance.
   • Connection: Connect the primary and secondary terminals following the manufacturer's specifications and ensuring that the connections are safe and correct.

2. Switching on and Monitoring:

   • Ignition: follow the detailed start procedures, monitoring the operating parameters as voltage and current.
   • Monitoring: check the temperature and operating conditions regularly to ensure optimal operation.

3. Maintenance:

   • Regular inspections: perform periodic checks and check the status of the components.
   • Cleaning: keep the surrounding area clean and debris free to avoid operating problems.

7. Matching Accessories

• Monitoring devices: temperature sensors and measuring instruments to monitor performance.
• Additional cooling systems: if necessary, install fans or other cooling systems for high load environments.

8. Mathematical formulas for optimal use parameters

• Apparent power (S):

  $$S$$

  Where PP $P$ is the active power and QQ $Q$ is the reactive power.

• Transformer Efficiency:

  $$\text{Efficiency}$$

• Losses in the Transformer:

  $$\text{Total Losses}$$

9. Materials and applications

• Working materials: suitable for resistive and inductive loads in industrial and commercial environments.
• Applications: industrial plants, commercial buildings, transformation and energy distribution stations.

10. Used good maintenance and verification

• Maintenance:

  • Periodic checks: carry out regular checks and isolation tests to ensure optimal operation.
  • Cleaning: Remove accumulations of dust and debris to keep the transformer in good condition.

• Verification of Good Used:

  • General conditions: check for signs of wear and physical damage. Check the quality of isolation and connections.
  • Operating test: make sure that the transformer operates according to the specifications and without anomalies.

11. Use sectors

• Industrial: for large production plants and industrial operations.
• Commercial: to feed shopping buildings and distribution centers.
• Energy and infrastructure: used in transformation stations for large -scale energy distribution.

12. Advantages of the purchase used

• Lower cost: greater savings than new transformers.
• Reliability: if maintained correctly, used transformers can offer excellent performance and a long duration.
• Immediate availability: faster availability than the purchase of new units.

Conclusion

The 2,500 kva SEO transformer, with tensions of 15/400 V, represents a robust and efficient solution for your energy needs. With a solid construction and a guarantee of quality through revision and testing, it is a safe choice for industrial and commercial applications. Buying a revised used transformer can offer significant economic advantages by maintaining excellent reliability and performance.

See label and photos for more info.