Tokyo Shibaura Denki Kabushiki Kaisha

Susumu Imai

Satoru Yanabu

Susumu Nishiwaki

Toshikazu Satoh

Mizuho Yamashita

Yoichi Murakami

An arrester having at least two stacks of non-linear resistors connected in series, an arcing gap device connected to shunt one stack of resistors when the gap means sparks over, and a hermetically sealed housing enclosing the resistor stacks and arcing gap device and filled with sulfur hexafluoride gas having a gauge pressure not less than 2 kg/cm.sup.2. The impedance of the one resistor stack is from about 15% to about 35% of the total impedance of the two resistor stacks when the arcing gap means sparks over, and the rated voltage of the arrester is not less than about 50 KV.

Growing community of inventors

Yokohama, Japan

Susumu Imai