Line powering of auxiliary equipment

Details Line powering of auxiliary equipment Line powering of auxiliary equipment

2005-11-14

2008-11-25

Jackson, Stephen W (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Selective or optional sources

C379S413000

Reexamination Certificate

active

07456522

ABSTRACT:
An electronics module for powering auxiliary equipment by using power from a line powered remote unit is provided. The electronics module includes one or more current and inrush limiting control circuits, one or more turn on control circuits, and a voltage control summer which operate to control the output voltage from the electronics module to the auxiliary equipment. The electronics module also includes one or more input switch and current limiter circuits, one or more input filters, and a pulse width modulator power stage and output filter circuit which operate to combine power from one or more remote units into a single power output. Additionally, the electronics module includes a fault monitoring circuit for determining if a fault has occurred in the auxiliary equipment.

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McNeill, John, Boost Converter Provides Temperature-Controlled Operation of 12V fan from +5V Supply, Electronic Design Magazine, pp. 98-100, Dec. 18, 1997, USA.

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