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How to Reducing Contact Thermal Resistance of Power Joint Heating
as we know. contact resistance is an essential cause of electrical equipment joint heating, just the shape memory alloy washer are more helpful to limit the joint temperature rise by reducing contact resistance for their features of tempting to restore to original shape when heated to a high temperature, therefore. the memory alloy washers already were proved to have remarkable effect on ensuring safety of electric power equipments and reducing energy loss.
Principle of shape memory alloy washer:
The shape memory alloy washer can automatically increase its elastic force according to the increase of the joint temperature, reduce the contact resistance of the joint, and effectively reduce the heating of the joint.
Application of shape memory alloy washer:
1: The joint parts of the power and electrical body that are easy to heating, such as: generators, transformers, reactors, capacitors, transformers, switchgear, etc.
2: Various connection joints such as power plants, substations, transmission lines, and distribution lines.
3: For metallurgy, petroleum, chemical insdurial and other electricity customers' power supply and distribution equipment which easy to heating.
