ZTelec provides various high-quality insulation materials, which play an important role in improving the safety performance of dry-type transformers, reducing dielectric loss, reducing costs, reducing volume, reducing weight, enhancing the ability to with
ZTelec provides various high-quality insulation materials, which play an important role in improving the safety performance of dry-type transformers, reducing dielectric loss, reducing costs, reducing volume, reducing weight, enhancing the ability to withstand harmonic loads, increasing spare capacity, improving reliability and life, and enhancing moisture resistance and environmental protection.
In dry-type transformers, various insulation materials are used to ensure electrical isolation, thermal management and mechanical support to ensure safe and reliable operation of the transformer.Below is a table showing the common insulating materials used in oil-immersed transformers, their application locations, and key properties:
Insulating Material |
Application Location |
Properties |
Fiberglass Laminated Sheets |
Structural supports, barriers, insulation |
High mechanical strength, excellent insulation, heat resistance, flame retardant |
Sheet Molding Compound (SMC) |
Structural supports, enclosures |
High mechanical strength, excellent insulation, heat resistance, moldability |
Alkali-free Fiberglass Unidirectional Binding Tapes |
Winding binding, insulation reinforcement |
High mechanical strength, excellent insulation, heat resistance, flexibility |
Alkali-free Fiberglass Cloth |
Winding insulation, interlayer insulation |
Excellent insulation, heat resistance, flame retardant, flexibility |
Insulation Films (PET Film and PI Film) |
Winding insulation, interlayer insulation |
Excellent insulation, heat resistance, thin and lightweight, chemical resistance |
Glass Fiber Mesh |
Winding reinforcement, insulation support |
High mechanical strength, heat resistance, flame retardant, flexibility |
NHN Insulation Paper |
Winding insulation, interlayer insulation |
Excellent insulation, heat resistance, flame retardant, moisture resistance |
Prepreg DMD (Dacron-Mylar-Dacron) |
Winding insulation, interlayer insulation |
Excellent insulation, heat resistance, mechanical strength, flame retardant |