Underload tapchanging voltage regulators for ease of field...

Details Underload tapchanging voltage regulators for ease of field... Underload tapchanging voltage regulators for ease of field...

2006-05-23

2006-05-23

Laxton, Gary L (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a transformer or inductor as the final control device

C323S264000

Reexamination Certificate

active

07049795

ABSTRACT:
Under load tapchanging voltage regulators with source and load connections, series and shunt transformers, switching devices for causing selectable levels of electric power to flow in either direction between the series and shunt transformers, and tapchanger controls for sensing the voltage at said load connections and causing the switching devices to select proper electric power flows so as to maintain desired voltages at the load connections.

REFERENCES:
patent: 5408171 (1995-04-01), Eitzmann et al.
patent: 5804954 (1998-09-01), Laplace, Jr.
patent: 6833518 (2004-12-01), Byers et al.

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