Title :
Design of ZnO microvaristor material stress-cone for cable accessories
Author :
Weida, Daniel ; Richter, Christian ; Clemens, Markus
Author_Institution :
Fac. of Electr. Eng., Helmut-Schmidt-Univ., Hamburg, Germany
fDate :
8/1/2011 12:00:00 AM
Abstract :
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 prototyped for various geometric design parameters and benchmarked by applying a test voltage. Based on the results, an optimal design is chosen and compared to standard cable accessories in virtual and experimental lightning surge tests in a high voltage laboratory.
Keywords :
finite element analysis; power cable testing; varistors; wide band gap semiconductors; zinc compounds; FEM simulations; ZnO; cable accessories; experimental lightning surge tests; finite element method; geometric design parameters; high-voltage laboratory; microvaristor material stress-cone; test voltage; virtual lightning surge tests; voltage 20 kV; Cable insulation; Electric fields; Lightning; Materials; Power cables; Surges; Zinc oxide; Cable insulation; finite element methods; power cable connecting; power cables; simulation;
Journal_Title :
Dielectrics and Electrical Insulation, IEEE Transactions on
DOI :
10.1109/TDEI.2011.5976125
