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Review
. 2021 Feb 28;13(5):766.
doi: 10.3390/polym13050766.

Review of Technologies and Materials Used in High-Voltage Film Capacitors

Olatoundji Georges Gnonhoue  1 , Amanda Velazquez-Salazar  1 , Éric David  1 , Ioana Preda  2
Affiliations
Review

Review of Technologies and Materials Used in High-Voltage Film Capacitors

Olatoundji Georges Gnonhoue et al. Polymers (Basel). .

Abstract

High-voltage capacitors are key components for circuit breakers and monitoring and protection devices, and are important elements used to improve the efficiency and reliability of the grid. Different technologies are used in high-voltage capacitor manufacturing process, and at all stages of this process polymeric films must be used, along with an encapsulating material, which can be either liquid, solid or gaseous. These materials play major roles in the lifespan and reliability of components. In this paper, we present a review of the different technologies used to manufacture high-voltage capacitors, as well as the different materials used in fabricating high-voltage film capacitors, with a view to establishing a bibliographic database that will allow a comparison of the different technologies.

Keywords: dielectric film; high-voltage capacitors; resin.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Single-section metallized capacitor.
Figure 2
Figure 2
Metallized multisection capacitor [16].
Figure 3
Figure 3
Stacked metallized capacitors.
Figure 4
Figure 4
Metallized capacitor coil.
Figure 5
Figure 5
Different types of foil–film capacitors.
Figure 6
Figure 6
A multisection foil–film capacitor [19].
Figure 7
Figure 7
Illustration of polarization in a dielectric material.
Figure 8
Figure 8
Dielectric losses of PET as functions of temperature and frequency.
Figure 9
Figure 9
Dielectric losses of low-density polyethylene (LDPE) as functions of temperature and frequency.
Figure 10
Figure 10
Weibull distribution of breakdown voltages at room temperature and at 100 °C for biaxially oriented PP (BOPP) film [26].
See this image and copyright information in PMC

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