Electricity: electrical systems and devices – Safety and protection of systems and devices – Voltage regulator protective circuits
Patent
1989-10-10
1992-02-25
DeBoer, Todd E.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Voltage regulator protective circuits
361 59, 361 74, 363 50, H02H 306
Patent
active
050918168
ABSTRACT:
A procedure and device for overload and short-circuit protection of output drivers, uses a circuit that functions at several control voltage levels and in which at least one output driver is controlled in a normal situation by a reference value set independently of external control, whereas in a short-circuit or overload situation the driver receives a control voltage for short instants only, and in which the reference value begins to fall rapidly when the load current of the output driver exceeds a set limit.
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Deboer Todd E.
Kone Elevator GmbH
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