Resin Transformer Brand TMC 400 KVA

1. Product Description

The TMC 400 KVA cast resin transformer is a robust device designed to provide efficient and safe electrical power distribution. With its cast resin construction, this transformer is particularly suitable for industrial and commercial environments where high reliability is required. This model is designed to operate at 15 kV medium voltage (MV) and 400 V low voltage (LV).

2. Components and Structure

• Make and Model: TMC 400 KVA
• Transformer Type: Resin Transformer
• Year of Construction: Not specified, but if used, assumes compliance with contemporary building codes and practices.
• Primary Voltage: 15 kV (medium voltage)
• Secondary Voltage: 400 V (low voltage)
• Power: 400 KVA
• Insulation Type: Resin, which offers excellent protection against moisture and external contamination.

3. Dimensions and Weight

• Dimensions: Specific dimensions are not provided, but 400 KVA cast resin transformers are typically sized for easy integration into industrial spaces. Typical dimensions are around 1.5 x 1.5 x 2 meters.
• Weight: Approximately 800 - 1,200 kg, depending on configuration and accessories.

4. Mechanical Characteristics

• Efficiency: High operating efficiency with low losses.
• Reliability: Designed to operate in variable environments with high robustness and durability.
• Protection: Resin insulation that protects the transformer from adverse environmental conditions.

5. Usage Procedure

1. Installation:

   • Placement: Place the transformer on a stable base and in a dry, ventilated environment.
   • Connection: Make the connections between the transformer and the electrical grid according to the technical specifications provided by the manufacturer. Connect the medium voltage (15 kV) and low voltage (400 V) cables to the respective terminals.

2. Switching on and Monitoring:

   • Power On: Follow the manufacturer's power on procedures, which include checking connections and gently turning on the power.
   • Monitoring: Verify that the transformer is functioning properly by monitoring parameters such as voltage, current, and temperature. Make sure there are no signs of malfunction.

3. Maintenance:

   • Regular Inspections: Perform periodic inspections to check the integrity of the transformer and ensure there are no leaks or signs of wear.
   • Cleaning: Clean the outside of the transformer to remove dust and debris.

6. Matching accessories

• Monitoring Devices: Temperature sensors and instruments for measuring electrical parameters.
• Cooling Systems: Fans or cooling systems for environments with high loads or high temperatures.

7. Mathematical Formulas for Optimal Use Parameters

• Apparent Power:

  $$S$$

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

• Transformer Efficiency:

  $$\text{Efficiency}$$

• Losses in the Transformer:

  $$\text{Total Losses}$$

8. Materials and Applications

• Workable Materials: Suitable for resistive and inductive loads, ensuring reliable distribution of electrical power.
• Applications: Used in industrial, commercial and residential environments where a stable and safe supply of electrical power is required.

9. Maintenance and Verification of Good Used Equipment

• Maintenance:

  • Periodic Checks: Carry out regular checks to verify correct functioning and prevent failures.
  • Cleaning: Remove dust and contaminants that may impair operation.

• Verification of Good Used:

  • External and Internal Conditions: Inspect the transformer for signs of damage or wear. Verify that all parts are functioning properly and that there are no leaks.
  • Operation: Test the transformer to ensure it operates within specifications and without any abnormalities.
  • Documentation: Verify that the transformer has the necessary documentation, including certificates of conformity and maintenance tests.

10. Sectors of Use

• Industrial: To provide energy to plants and machinery.
• Commercial: For powering commercial buildings and facilities.
• Residential: In residential areas with high energy demand.

11. Advantages of Buying Used

• Lower Cost: Compared to a new transformer, purchasing a used transformer can offer significant savings.
• Reliability: A used transformer in good condition can provide performance comparable to a new unit.
• Immediate Availability: Often available immediately, reducing installation wait times.

Additional Transformers Available

1. Resin MT/BT 630 KVA - 20/400
2. MT/BT SEA resin - 1,600 KVA 15/400 (x2)
3. MT/BT MF resin - 2,500 KVA 20/400
4. Overhauled in SEA Resin - 2,500 KVA 15/400
5. New - Never Used Legrand - 2,000 KVA

Each transformer can offer specifications that can be adapted to different application needs and configurations. Considering the purchase of a used transformer, such as the TMC 400 KVA, can be a cost-effective option without compromising the quality and reliability of power distribution.