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corrugated board
Corrugated board is a commonly used oil gap insulation for small transformers, which has the advantage of simple assembly and improves the distribution of solid insulation materials in the oil passage. Compared with uniformly configured support bars in the radial direction, the solid insulation distribution in the oil passage of the corrugated board is very uniform, and there is no plane perpendicular to the electric field. Therefore, the strength of the oil passage can be increased by about 15% without losing reliability.
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insulation cylinders
Insulating cylinders are mainly used for winding to improve the mechanical strength of winding and short-circuit resistance.
Strips
In the coil winding, Strips are used as internal support for the winding and to form internal axial cooling oil channels. Main strips: Rectangular strips, T shaped strips, Trapezoidal strips and other shaped strips. The Strips produced by our company have the following advantages: high mechanical strength, high electrical strength, and precise product dimensions.
Spacers
A radial cooling oil passage and insulation between segments are formed in the coil winding. The wire turns of the winding rely on Spacers to transmit axial compression force for compression, so Spacers must have a certain degree of compression
The compressive strength should be as small as possible, but there should be some elasticity.
The compressive strength should be as small as possible, but there should be some elasticity.
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