Introduction to Dry-type Transformer
A dry-type transformer is a power transformer that utilizes air or a non-liquid medium for insulation instead of oil.
Basic Components:
This transformer generally comprises a core of laminated electrical steel, windings made of copper or aluminum, and a protective enclosure for insulation.
Working Principle:
Like other transformers, it functions on electromagnetic induction. The primary winding gets connected to the input voltage, generating a magnetic field in the core. This field induces a voltage in the secondary winding, thus transforming the voltage.
Advantages:
- Fire Safety: The absence of oil reduces fire risk, making it ideal for fire-sensitive environments such as buildings and public facilities.
- Low Maintenance: Requires less upkeep compared to oil-immersed transformers due to the lack of insulating oil.
- Environmental Friendliness: Eliminates oil leakage risks, thereby being more environmentally sustainable.
Applications:
Commonly used in indoor settings, commercial buildings, data centers, and industrial facilities where space constraints and fire safety are critical.
Widely utilized in high-rise office buildings for reliable power distribution and in hospitals for continuous and safe power supply.
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