Hitachi, Ltd.

Katuji Shindo

Jun Ozawa

Shingo Shirakawa

Yoshi Akatsu

Akio Mizukoshi

A lightning arrester comprises a plurality of column blocks disposed in parallel each of which has groups of a number of stacked nonlinear resistance elements and spacers interposed between the element groups, in which the element groups of the blocks are electrically connected in series by jumper conductors so as to form a series resistance and the spacers are formed of nonlinear resistance elements which can absorb energy, so that the arrester, as a whole, can absorb a larger amount of energy.

Lightning arrester

A surge arrester having a first non-linear resistor block, a second non-linear resistor block connected in series with the first non-linear resistor block, a bypass gap connected in parallel with the second non-linear resistor block, and a linear resistor connected in parallel with at least one of the first and second non-linear resistor blocks.

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Hitachi, Japan

Katuji Shindo