Electronic trip device provided with a power supply circuit...

Details Electronic trip device provided with a power supply circuit... Electronic trip device provided with a power supply circuit...

2006-07-24

2010-02-02

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific circuit breaker or control structure

Reexamination Certificate

active

07656636

ABSTRACT:
The electronic trip device comprises at least one current sensor, a rectifying circuit to supply a supply current, an electronic processing unit to control an actuator designed to actuate an opening mechanism of the main conductor, and an electric power supply circuit equipped with a voltage regulator designed to supply a supply voltage to the electronic processing unit. In the electronic trip device, the power supply circuit comprises voltage raising means enabling a raised voltage to be supplied to the input of the voltage regulator designed to supply the supply voltage to the electronic processing unit, said raised voltage being greater than a voltage at the terminals of the storage capacitor. The invention also relates to a circuit breaker equipped with the electronic trip device described above.

REFERENCES:
patent: 5541499 (1996-07-01), Villard
patent: 5937622 (1999-08-01), Carrier et al.
patent: 2002/0191361 (2002-12-01), Houbre
patent: 197 38 699 (1999-03-01), None
patent: 199 54 038 (2001-05-01), None
patent: 100 10 924 (2001-09-01), None

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