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Dry-type Transformer

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Dry-type transformer
 
Transformer insulation wire is usually circular, according to the insulation of the conductor material can be discription the following details :

Fiberglass Silk covered Aluminium wire

  Silk covered wire, also known as cotton covered wire, it is a thread or yarn on copper coated insulation materials, such as to increase the mechanical strength and dielectric strength of the wire.

fibreglass covered wire
fiberglass covered wire
Dry-type transformer.

 The features and usage of common insulated wires :
 

Model Name Main Features Useage
  Oil-immsersed Enameled Round
 aluminum wire
Poor insulation mechanical strength. Apply to the requirements of transformer,
 inductance coil winding and instrument,
 is great for small motor windings.
  High strength polyvinyl acetal 
enameled round aluminum wire
High insulation mechanical strength, 
good electrical properties.
Apply to the transformer, inductance coil,
 instruments
 and meters and motor winding;
  High strength polyester enameled
 round aluminum wire
High mechanical strength between 
Insulation layer, good resistance to 
solvent properties,can work under 
130’c temperature.
Apply to the transformer, inductance coil,
 instruments and meters and medium 
and small motor winding;
       
  High temperature resistance polyimide
 film enameled round aluminum wire
With heat resistance, oil resistance, 
corrosion resistance, solvent resistance,
 radiation resistance and other 
characteristics.
Suitable for heat-resistant electrical 
and instrument
 winding under 200 temperature.
  Single-silk covered enameled round
 aluminum wire
Have good mechanical strength, dielectric
 properties, chemical stability and wave 
resistance.
Suitable for heat-resistant electrical
 and instrument 
winding under 200 temperature.
  Double fiberglass layer round 
aluminum wire
High temperature resistant level, has the
 good electrical and mechanical 
properties.
Suitable for working temperature 
between -60C and +150C.
  Single-fiberglass High strength enameled 
round aluminum wire
With good mechanical and electrical 
performance.
Suitable for working temperature 
between -60C and
 +150C.
                             


 

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