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Development trajectory

The manufacturing technology of power capacitors has gone through several stages of development. From the perspective of capacitor constituent materials and packaging forms, there are the following three main forms: A. The oil-immersed type appeared in the 5. and 1960 s of the last century is a generation of low-voltage capacitors. Its structure uses oil-immersed capacitor paper as the medium, the capacitor elements are flat components, and the liquid medium uses mineral oil (PCB toxic components), etc. The product has large loss (0.2-0.6) and large volume, short service life. B. 7. the 1980 s, with the application of metallized film instead of capacitor paper, capacitors have a flat to circular structure, with self-healing performance and product performance.

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