Electricity: electrical systems and devices – Safety and protection of systems and devices – Superconductor protective circuits
Patent
1981-04-24
1983-07-12
Eisenzopf, Reinhard J.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Superconductor protective circuits
H03K 338
Patent
active
043934293
ABSTRACT:
A superconductive coil has both its terminals connected in parallel with a protecting device which has a diode and a unipolar d.c. motor connected in series with each other. The superconductive coil is further connected with an energizing d.c. power source through a switch. The conductive direction of the diode is so selected that the d.c. motor is driven by the energizing energy of the superconductive coil when the switch is opened in the quenching operation of the superconductive coil.
REFERENCES:
patent: 3304466 (1967-02-01), Minnich et al.
patent: 3305699 (1967-02-01), Watrous et al.
patent: 3711744 (1973-01-01), Luton, Jr.
Maki Naoki
Numata Seiji
Yamaguchi Kiyoshi
Yamamoto Heroe
Eisenzopf Reinhard J.
Hitachi , Ltd.
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