Research Status on Solid Dielectric Material in HVDC Capacitor

doi:10.11985/2018.11.001

Abstract

Abstract:

HVDC capacitors, such as DC filter capacitor and DC-link capacitor, are the core components to insure the quality of HVDC transmission and steady operation of power system. The breakdown field strength and temperature characteristic of polymer film affects the capacity level and the insulation of capacitors. This paper briefly introduces the development of solid dielectric materials of the power capacitor. The dielectric breakdown voltage and temperature characteristic of the polymer film were discussed in this paper. The influence of the temperature and complex electric field on polymer dielectric aging behavior is studied. Besides, the problems of the solid dielectric materials faced with and research results of improvements at home and abroad are summarized.

Key words: HVDC capacitor, polymer film, complex electric field, breakdown strength, thermal characteristic

CLC Number:

TM85

Xu Ranran,Du Boxue,Xiao Mi. Research Status on Solid Dielectric Material in HVDC Capacitor[J]. Journal of Electrical Engineering, 2018, 13(11): 1-10.

Figures/Tables 2

References 80

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