Products
Products • Details product
Three phase hermetically sealed transformer

Three phase hermetically sealed transformer

Three-phase hermetically sealed transformers are an essential component in modern electrical systems, particularly in environments where durability and reliability are paramount. This article delves into the structure, benefits, and applications of these transformers, offering insights for those considering their use in various industries.

Three-Phase Hermetically Sealed Transformers: Advantages and Applications

Introduction

Three-phase hermetically sealed transformers are an essential component in modern electrical systems, particularly in environments where durability and reliability are paramount. This article delves into the structure, benefits, and applications of these transformers, offering insights for those considering their use in various industries.

What is a Three-Phase Hermetically Sealed Transformer?

A three-phase hermetically sealed transformer is a type of transformer designed to operate without the need for air or other external environments to influence its internal components. The hermetic seal protects the transformer’s windings and insulation from moisture, contaminants, and other potentially harmful external factors, ensuring a longer lifespan and more reliable operation.

Key Features of Three-Phase Hermetically Sealed Transformers

  1. Hermetic Sealing: The most defining feature is the hermetic sealing, which prevents air, water, and other contaminants from entering the transformer. This seal is typically achieved using a metal casing that is welded shut, providing complete protection from external environments.
  2. Oil-Filled Design: These transformers are often oil-filled, where the oil acts both as a coolant and an insulating medium. The oil is contained within the hermetically sealed case, reducing the risk of leaks and minimizing maintenance requirements.
  3. High Efficiency: Three-phase hermetically sealed transformers are known for their high efficiency. They are designed to minimize energy losses, making them suitable for applications where energy efficiency is crucial.
  4. Robust Construction: The construction of these transformers is robust, often designed to withstand harsh environments. This makes them ideal for use in industrial applications, outdoor installations, and areas with high levels of pollution.

Advantages of Three-Phase Hermetically Sealed Transformers

  1. Extended Lifespan: The hermetic sealing protects internal components from moisture and contaminants, significantly extending the transformer’s lifespan.
  2. Reduced Maintenance: The sealed design requires less maintenance compared to traditional transformers, as there is no need for regular checks for moisture or contamination.
  3. Enhanced Reliability: With a design that minimizes exposure to external factors, these transformers offer enhanced reliability, reducing the risk of failures in critical applications.
  4. Environmental Protection: The sealed design also protects the environment from potential oil leaks, making these transformers a more eco-friendly option.

Applications of Three-Phase Hermetically Sealed Transformers

  1. Industrial Settings: These transformers are commonly used in industrial environments where equipment reliability is critical. The hermetic sealing ensures that the transformers can operate in harsh conditions without risk of contamination or failure.
  2. Renewable Energy Systems: In renewable energy installations, such as wind and solar farms, three-phase hermetically sealed transformers are used to ensure efficient power distribution and minimal maintenance.
  3. Utility Installations: Utilities often use these transformers in outdoor installations, where they are exposed to various environmental conditions. The hermetic sealing ensures that the transformers remain operational even in adverse weather conditions.
  4. Marine and Offshore Applications: Due to their robust design and resistance to moisture, three-phase hermetically sealed transformers are also used in marine and offshore applications, where they must withstand corrosive environments.

Conclusion

Three-phase hermetically sealed transformers are an excellent choice for applications requiring durability, reliability, and low maintenance. Their design protects against environmental factors, ensuring a long service life and reduced operational costs. Whether for industrial, renewable energy, or utility applications, these transformers offer a robust solution that meets the demands of modern electrical systems.

5. Specifications

Main specifications
Manufacturer CTC
Country of origin Vietnam
Applicable standards IEC 60076
Transformer type Transformer oil distribution
Rated power Up to 20mVA
Rated voltage Up to 36kV
Regularity 50/60Hz
Stage Three phase
Vector group Dyn11, Yyn12 (according to customer requirements)
Click Change No-load tap changer
Coil material Aluminum / Copper
Cooling YOUNG
Dielectric fluid Mineral Oil/Dimethyl Silicone/Vegetable Oil
Installation type Indoor / outdoor
Warranty period Up to 10 years
Accessory HV- LV Bushing
Oil Level Indicator Pressure Reducing Valve Changer Oil
Thermometer Buchholz Oil Drain Valve Relay

CTC Transformer Factory in Quang Minh Industrial Park

CTC specializes in providing products such as Oil Transformers Amorphous Transformers ,  Dry Transformers ,  Reactors ,  and other electrical equipment. With 15 years of experience in the field of electricity and transformer manufacturing, we are confident that we can bring you the optimal solution.