Excellent Insulation Performance of Electrical NHN Insulation Paper

As basic materials, electrical insulating materials have a wide range of applications, such as the power industry, which is the lifeblood of the national economy. Its development is closely related to high-performance insulating materials. Insulati……

As basic materials, electrical insulating materials have a wide range of applications, such as the power industry, which is the lifeblood of the national economy. Its development is closely related to high-performance insulating materials. Insulation material is the key material to ensure the reliable, long-lasting and safe operation of electrical equipment, especially power equipment. Its level will directly affect the development level and operation quality of the power industry.

As basic materials, electrical insulating materials have a wide range of applications, such as the power industry, which is the lifeblood of the national economy. Its development is closely related to high-performance insulating materials. Insulation material is the key material to ensure the reliable, long-lasting and safe operation of electrical equipment, especially power equipment. Its level will directly affect the development level and operation quality of the power industry.

NHN insulation paper is widely used in electric motors and generators for slot wedge insulation, phase insulation, end laminates, and the like. It makes all kinds of rotating equipment (AC, DC motor, random coil and mold winding, and even large steam turbine generator) have better heat insulation, better mechanical properties, higher safety and longer service life.

NHN insulation paper is a soft composite material consisting of a polyimide film on the middle layer and Nomex1 paper on both sides (DuPont paper), its heat resistance is class H (180 °C). It has good mechanical properties such as tensile strength and edge tear resistance as well as good electrical strength. Its surface is smooth, ensuring trouble-free when producing low-voltage motors using automatic lowering machines. NHN is mainly used for the groove slot cover and phase insulation of high-heat-resistant motors, and can also be used as interlayer insulation for transformers or other electrical appliances.

The impregnated NHN insulating paper is an NHN insulating paper for pressing a laminate after impregnating the resin. According to the use of the laminate, the impregnated NHN insulating paper is classified into: kraft wood pulp paper, sulfite wood pulp paper. The most characteristic of impregnated NHN insulation paper is that it has good impregnation properties, its water absorption height is the highest among NHN insulation papers, and the impregnated NHN insulation paper is neutral.

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