Stress control on polymeric outdoor insulators using zinc oxide microvaristor composites

R Abd-Rahman, A Haddad, N Harid… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
An approach to high field control, particularly in the areas near the high voltage (HV) and
ground terminals of an outdoor insulator, is proposed using a nonlinear grading material; …

Field-dependent conductivity and space charge behavior of silicone rubber/SiC composites

BX Du, ZL Li, ZR Yang - IEEE Transactions on Dielectrics and …, 2016 - ieeexplore.ieee.org
High temperature vulcanized (HTV) silicone rubber (SiR), due to its excellent electrical
insulation, elasticity and temperature resistance, is used in cable accessories for HVDC …

Surface charge behavior of silicone rubber/SiC composites with field-dependent conductivity

BX Du, ZR Yang, ZL Li, J Li - IEEE Transactions on Dielectrics …, 2017 - ieeexplore.ieee.org
High temperature vulcanized (HTV) silicone rubber (SiR) is widely used as HVDC cable
accessory insulation considering its outstanding electrical properties along with elasticity …

Effects of crystal morphology on space charge transportation and dissipation of SiC/silicone rubber composites

ZL Li, BX Du, ZR Yang, J Li - IEEE Transactions on Dielectrics …, 2017 - ieeexplore.ieee.org
The addition of silicon carbide (SiC) micro powder into silicone rubber (SiR) matrix has been
found to introduce a marked nonlinear conductivity into the resulting composites, without a …

Temperature-dependent nonlinear conductivity and carrier mobility of silicone rubber/SiC composites

BX Du, ZR Yang, ZL Li, J Li - IEEE Transactions on Dielectrics …, 2018 - ieeexplore.ieee.org
An electrical field distorted by the complicated cable accessory structure and non-uniform
temperature distribution is a significant threat to high voltage direct current (HVDC) cable …

Design of ZnO microvaristor material stress-cone for cable accessories

D Weida, C Richter, M Clemens - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
For the design of 20 kV cable accessories, a stress-cone with semi conductive ZnO
microvaristors is examined using finite element method (FEM) simulations. It is virtually …

Preparation and dielectric properties of SiC/LSR nanocomposites for insulation of high voltage direct current cable accessories

N Shang, Q Chen, X Wei - Materials, 2018 - mdpi.com
The conductivity mismatch in the composite insulation of high voltage direct current (HVDC)
cable accessories causes electric field distribution distortion and even insulation …

Surface charge transport characteristics of ZnO/silicone rubber composites under impulse superimposed on DC voltage

Z Li, Z Yang, B Du - IEEE Access, 2018 - ieeexplore.ieee.org
Composites with nonlinear conductivity have been applied to modify the direct current (dc)
electrical field distribution and accelerate the space charge dissipation in polymeric …

Study on nonlinear conductivity and breakdown characteristics of zinc oxide–hexagonal boron nitride/EPDM composites

Q Chi, Y Hao, T Zhang, C Zhang, Q Chen… - Journal of Materials …, 2018 - Springer
The ethylene–propylene–diene monomer (EPDM) has been widely used in HVDC cables
accessories. The nonlinear conductivity of EPDM-based composites plays an important role …

Electroquasistatic-thermal modeling and simulation of station class surge arresters

Y Späck-Leigsnering, E Gjonaj… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
A coupled electroquasistatic-thermal method for the simulation of surge arresters is
developed. In order to cope with the extremely short-time scales associated with the strongly …