Industrial Applications Perspective of Nanodielectrics Page: 2 of 28
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electrical components and equipment sizes are becoming smaller
and more compact than conventional devices, placing greater
demands on the insulation. New insulation materials are expected to
have better endurance and to have better reliability than their
conventional counterparts. Recent developments in composite
materials filled with nanometer-size particles (defined here as
particles in which at least one dimension is in the range 1-100 nm)
have shown some interesting results, creating a new research field in
electrical insulation being referred to as nanodielectrics (Lewis
1994; Lewis 2006; Nelson and Fothergill 2004; Cao et al. 2004).
A detailed description of dielectrics for high-voltage applications
was provided in earlier work by Dakin (1978). In this chapter, our
discussion will focus on recent developments in the field of
nanodielectrics. Only solid insulation materials composed of
nanoparticle-loaded polymers will be considered here. The chapter is
organized as follows. Different aspects of the nanodielectrics will be
considered starting with the background and challenges faced in
synthesizing nanocomposites. Some of the significant advantages of
the nanodielectrics and their impact on electrical insulation industry
are then discussed in the context of dielectric breakdown and voltage
endurance. Nanodielectric applications at high and low temperatures
together with specific device/component applications are discussed
Solid electrical insulation materials, or dielectrics, in high-voltage
applications were made of natural materials, such as silk, glass, and
ceramic materials in the early days of electrical power applications.
However, improvements in materials science and the introduction of
plastics have changed the perception that electrical insulation for
different power components could benefit from new materials that
were initially developed for or used in other technologies.
Amazingly, there remain two areas where few advances have been
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Tuncer, Enis & Sauers, Isidor. Industrial Applications Perspective of Nanodielectrics, book, January 1, 2009; (https://digital.library.unt.edu/ark:/67531/metadc929205/m1/2/: accessed April 20, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.