Automatic transfer switch systems and controllers

Details Automatic transfer switch systems and controllers Automatic transfer switch systems and controllers

2005-04-05

2005-04-05

Toatley, Jr., Gregory J. (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

C307S125000, C307S129000, C307S130000

Reexamination Certificate

active

06876103

ABSTRACT:
An automatic transfer switch (ATS) controller is disclosed which includes a power supply circuit to regulate and filter input power, a transformer to convert utility and generator power sources into power supply voltages and voltage sensing sources and a voltage sense signal conditioning circuit. Controller further implements a solenoid driver circuit to drive automatic transfer switch solenoids, an embedded microcontroller configured to monitor utility and generator voltages and a user interface interfaced to said microcontroller for operator entry of instructions. A LED indicator is included and is configured to verify user interface entries and overall operation of the controller and ATS system.

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