Thursday, January 18, 2024

Application and Type Selection of Dry-Type Transformers

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In the power equipment field, transformers are crucial equipment that can increase or decrease voltage to meet various power demands. Dry type transformer is a special type of transformer whose iron core and winding are not immersed in insulating liquids but are completely exposed to dry gases such as air or nitrogen.

(dry type transformer)

Characteristics of dry-type transformers

1. High safety: Due to the absence of insulation liquid inside, there is no risk of fire or explosion, making dry-type transformers have significant advantages in safety performance.

2. Easy maintenance: Due to the simple structure of dry-type transformers, their maintenance work is relatively simple, without the need for regular oil replacement or inspection of oil quality.

3. High efficiency: Due to advanced copper foil and silicon steel sheets, dry-type transformers have higher efficiency and lower operating costs.

4. Strong adaptability: Dry-type transformers are suitable for rough environmental conditions, such as elevated temperature, high humidity, corrosion, etc.

Application fields of dry-type transformers

1. Power system: In the power system, dry-type transformers are commonly used in substations, switching stations, and distribution rooms to provide efficient and safe voltage conversion services for the transmission and distribution system.

2. Industrial automation: In factories and enterprises, dry-type transformers provide a stable power supply for various equipment, such as production lines, motors, lighting, etc.

3. Construction field: In buildings, dry-type transformers provide electricity to air conditioning systems, elevators, lighting, and firefighting equipment.

4. Data centers and communication facilities: With the advent of the information age, the reliability and stability requirements for power supply in data centers and communication facilities are increasing. Dry-type transformers are widely used in such places.

5. New energy field: Solar and wind power generation facilities usually need to work in remote areas, and dry-type transformers have become ideal choices in these fields due to their high environmental adaptability.

(dry type transformer)

Types and application differences of dry-type transformers

1. The difference between oil-immersed transformers and dry-type transformers: Oil-immersed transformers immerse the windings in insulating oil, while dry-type transformers expose the windings to dry gas. Oil-immersed transformers are generally used in high voltage and large capacity situations, while dry-type transformers are more suitable for situations that require high safety performance.

2. Application of different materials: According to the winding and iron core materials, dry-type transformers can be divided into two types: copper winding and aluminum winding. Dry-type transformers with copper windings have higher electrical performance and corrosion resistance, extending harsh environments such as high loads and temperatures. Dry-type transformers with aluminum windings have the advantage of lower cost and are suitable for situations with high-cost requirements.

3. Application of different cooling methods: According to the different cooling methods, dry-type transformers can be divided into two types: natural cooling and forced air cooling. Dry-type transformers with natural cooling are usually larger and suitable for situations with low space requirements. Forced air-cooled dry-type transformers have a smaller volume and are suitable for environments with limited space.

4. Application of different voltage levels: According to the different voltage levels, dry-type transformers can be divided into high- and low-voltage types. High-voltage dry-type transformers are commonly used in high-voltage transmission links in power systems. In contrast, low-voltage dry-type transformers are more suitable for situations with low-voltage requirements.

How to choose the type of dry-type transformer that is suitable for specific needs

1. Application scenario: Choose the appropriate type of dry-type transformer based on the specific application scenario. For example, dry-type transformers suit situations with high safety performance requirements. For situations with high-cost requirements, aluminum wound dry-type transformers can be selected.

2. Environmental conditions: Consider the conditions in which dry-type transformers are located, including temperature, humidity, corrosion, etc. Choose appropriate materials and cooling methods based on environmental conditions to ensure the reliability and lifespan of transformers.

3. Capacity and voltage level: Choose the appropriate capacity and voltage level according to actual needs. Capacity and voltage level are key factors affecting the performance and cost of dry-type transformers. Choosing the appropriate capacity and voltage level can reduce costs and improve performance.

4. Maintenance and repair: Consider dry-type transformers’ maintenance and repair costs. Different types of dry-type transformers may require different maintenance and repair strategies. Choosing the appropriate type of dry-type transformer can help reduce maintenance and repair costs and improve equipment reliability.

5. Technological innovation and development trends: Pay attention to the latest progress and innovative achievements in power electronics technology, new materials, etc., to evaluate whether new dry-type transformers can meet specific needs.

(dry type transformer)


PDDN Photoelectron Technology Co., Ltd. focuses on the research, development, and application of power electronics technology and is devoted to supplying customers with high-quality transformers and other power products. Our company mainly has oil-immersed, low-voltage, dry-type, and other transformer types. The transformers provided by PDDN Photoelectron Technology Co., Ltd. have the characteristics of high efficiency, safety, and reliability. They are widely used in power systems, industrial control, energy management, and other fields.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. Please inquire if you want a high-quality dry-type transformer; we will help.

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