Dry Type Transformer Market Overview
According to a new report published by Allied Market Research, The dry type transformer market size was valued at $5.4 billion in 2019, and is projected to reach $7.3 billion by 2027, growing at a CAGR of 6.1% from 2020 to 2027.
What is a Dry Type Transformer?
A dry type transformer is an electrical transformer that uses air as a cooling medium instead of liquid insulating oil. It is commonly used in various applications where safety, environmental concerns, and space limitations are important.
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North America dry type transformer market share is expected to growth at the highest rate of 6.6% during the forecast period. The growth is attributed to growth in electricity demand in countries such as the U.S. Further, the growth potential of renewable energy sources in the U.S. is high.
Asia-Pacific dominated the dry type transformer industry with a revenue share of over 41.2% in 2019.
Leading market players analyzed in the research include Eaton Corporation Plc, Bharat Heavy Electricals Ltd., General Electric Company, Fuji Electric Co. Ltd., Henley Energy GCC, Hammond Power Solutions Inc., Hyosung Heavy Industries, Hitachi Ltd., Power Sp. z o.o., and Kirloskar Electric Co. Ltd.
Electrification projects for meeting the present electricity demands, adoption of renewable energy generation, and subsequent integration with the power grid are the major drivers.
Cast resin and vacuum impregnation are the major technologies used to produce dry type transformers. In a cast resin dry type transformer, high-voltage (HV) and low-voltage (LV) windings are completely impregnated and cast under vacuum in epoxy resin.
This encapsulation helps prevent moisture to penetrate the winding material. The insulating material offers excellent fire hazard protection; thereby, suitable for indoor installations. This makes them the preferred choice for underground or city-building substations that require site-specific fire prevention and fire contingency-management strategies.
In vacuum pressure impregnation (VPI), transformer windings are vacuum impregnated with polyester or epoxy and baked under variable pressure cycles. VPI transformers offer high mechanical strength and operate under high and variable loads.
Advantages
- Safety: Reduced risk of fire and environmental hazards, as there is no flammable oil involved.
- Low Maintenance: Requires less maintenance than oil-filled transformers, primarily needing periodic inspections.
- Environmentally Friendly: No risk of oil leaks or spills, making them suitable for sensitive environments.
Applications
- Commercial Buildings: Commonly used in office buildings, shopping centers, and schools for electrical distribution.
- Industrial Facilities: Suitable for manufacturing plants and warehouses where safety and space are priorities.
- Renewable Energy: Used in solar and wind energy systems for power conversion and distribution.
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Dry type transformers offer various advantages over wet transformers. It is easy to install and requires less maintenance, excellent resistance to short circuit currents and capacity to support overloads, uses no environmentally hazardous hydrocarbon liquids hence it is eco-friendly and pollution free.
Dry type transformers have gained high demand in the recent years as they are installed in industrial, commercial, as well as residential and non-residential constructions.
In industries, some machineries require specific voltage requirements along with providing safety against fire and chemical hazards.
Dry type transformers are available in single-phase as well as three-phase, and mainly operate in low and medium voltage ranges.
Increase in electricity consumption, new civil infrastructural developments, replacement of existing distribution transformers for integration with renewable energy sources as well as deployment of smart power grids are the major factors that boost the growth of the global dry type transformer market.
The development of electric cars and incentives to deploy them is increasing the consumption of electricity in the automotive sector.
Key Characteristics
- Cooling Method:
- Utilizes natural air circulation or forced air cooling to dissipate heat generated during operation.
- Insulation:
- Made with solid insulation materials such as epoxy resin, which provides electrical insulation and enhances durability.
- Design:
- Compact and lightweight compared to oil-filled transformers, making them suitable for indoor installations.
Impact Of Covid-19 On the Global Dry Type Transformer Market
Renewable energy generation is the largest consumer for dry type transformer in industrial segment, which is also affected to a great extent during the pandemic.
In the global solar industry, more than 40% of the supply chain is reliant on supply from China and other Southeast Asian countries
China is the known source of this pandemic and the country is the most affected one in terms of material supply and material transport due to COVID-19.
Challenges
- Cooling Limitations: May have lower power ratings compared to oil-filled transformers, as air cooling can be less efficient.
- Higher Initial Cost: Generally more expensive to purchase than oil-filled transformers, though they can save on maintenance costs.
- Noise: Can produce more noise during operation, which may be a concern in certain settings.
Conclusion
Dry type transformers offer a safe, reliable, and environmentally friendly solution for electrical power distribution in various applications. Their design and operational benefits make them a preferred choice in many commercial and industrial settings.
