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The introduction of insulating materials for DC charging pile transformer
The insulating material of DC charging pile transformer is the key to ensure the safe and reliable operation of the transformer. Here are six commonly used insulation materials and their characteristics:
Main component
Polyethylene, PE
Polyethylene is a widely used insulating material that is favored for its excellent electrical insulation properties and chemical stability. It is suitable for low density and high density polyethylene and is able to maintain stability under different temperature and voltage conditions.
Polyvinyl Chloride (PVC)
PVC has good flame retardancy and physical and mechanical properties, and is often used as insulation and protective layer of transformers. It also has certain chemical resistance and is suitable for a variety of environmental conditions.
Polyester Film
Polyester film is used for winding insulation of transformers because of its excellent electrical insulation properties and heat resistance. It is often used with other materials such as glass fiber to enhance insulation properties.
Polytetrafluoroethylene, PTFE
Polytetrafluoroethylene is a non-viscous, heat-resistant, chemically resistant material with extremely high electrical insulation properties. It is suitable for transformer insulation in high frequency and high temperature environments.
Epoxy Resin
Epoxy resin is a thermosetting plastic with good electrical insulation properties and mechanical strength. It is usually used as an insulating paint or packaging material for transformer windings.
Nanocrystalline Alloy
Nanocrystalline alloy is a new type of soft magnetic material with excellent soft magnetic properties and low loss characteristics, which is suitable for the core materials of high-frequency transformers, thereby indirectly affecting the selection and performance of insulation materials.
The selection of these insulating materials needs to be based on the specific application requirements of the DC charging pile transformer, such as voltage level, operating temperature, chemical environment, etc., to ensure the long-term stable operation and safety performance of the transformer.
DC CHARGING PIlE SERIES
DC charging pile is an efficient charging facility for electric vehicles, which uses direct current (DC) to directly charge the vehicle battery, significantly reducing the charging time. Compared with traditional AC charging piles, DC charging piles are able to provide higher power output and can usually charge an EV to 80% of its capacity in 30 minutes, providing users with a convenient charging experience.
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