Electricity: electrical systems and devices – Safety and protection of systems and devices – Arc suppression at switching point
Patent
1979-08-13
1982-03-09
Eisenzopf, Reinhard J.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Arc suppression at switching point
200144B, H02H 300
Patent
active
043192963
ABSTRACT:
The invention provides a technique for interrupting current employing a plurality of series connected vacuum arcs in parallel with a resonating circuit. At least one of the series vacuum arcs is subjected to an oscillating transverse magnetic field which produces modulations in the arc voltage. The arc voltage modulations initiate oscillations in the parallel resonating circuit, producing current modulations in the series connected vacuum arcs. The current modulations rapidly extinguish the arcs, interrupting the current. Use of a plurality of series connected vacuum arcs improves the recovery voltage hold-off potential of the circuit.
REFERENCES:
patent: 1906602 (1933-05-01), Hull
patent: 3147356 (1964-09-01), Luehring
patent: 4021628 (1977-05-01), Kimblin
patent: 4172268 (1979-10-01), Yanabu et al.
patent: 4216513 (1980-08-01), Tokuyama et al.
patent: 4250364 (1981-02-01), Kimblin et al.
Gorman Joseph G.
Heberlein Joachim V. R.
Holmes Francis A.
Kimblin Clive W.
Slade Paul G.
Eisenzopf Reinhard J.
Electric Power Research Institute Inc.
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