A gapless surge arrester is disclosed herein and includes a porcelain outer casing and a stack of zinc oxide discs located within the casing for passing surge currents therethrough. Silicon dioxide, preferably sand, is provided between this stack in the casing for transferring heat from the discs to the porcelain outer casing as a result of the surge current and for absorbing fault energy where necessary by changing states.
申请公布号
US4223366(A)
申请公布日期
1980.09.16
申请号
US19780961011
申请日期
1978.11.15
申请人
ELECTRIC POWER RESEARCH INSTITUTE, INC.
发明人
SWEETANA, JR., ANDREW S.;GUPTA, TAPAN K.;KOTHMANN, RICHARD E.;OSTERHOUT, JOSEPH C.