Saturating time-delay transformer for overcurrent protection

Details Saturating time-delay transformer for overcurrent protection Saturating time-delay transformer for overcurrent protection

1975-12-18

1977-10-18

Miller, J D

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361 94, H02H 308

Patent

active

040549330

ABSTRACT:
Electrical loads connected to d-c supplies are protected from damage by overcurrent in the case of a load fault by connecting in series with the load a saturating transformer that detects a load fault and limits the fault current to a safe level for a period long enough to correct the fault or else disconnect the power supply.

REFERENCES:
patent: 2571027 (1951-10-01), Garner
patent: 2910626 (1959-10-01), Koros
patent: 2928956 (1960-03-01), Jones
patent: 2949568 (1960-08-01), Dortort
patent: 2971130 (1961-02-01), Diebold
patent: 3267331 (1966-08-01), Melhart
patent: 3671810 (1972-06-01), Barnes et al.
patent: 3867669 (1975-02-01), Krasik et al.
patent: 3936702 (1976-02-01), Plasko

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