Electricity: power supply or regulation systems – Output level responsive – Using a transformer or inductor as the final control device
Patent
1997-10-24
1999-11-23
Han, Y. J.
Electricity: power supply or regulation systems
Output level responsive
Using a transformer or inductor as the final control device
323343, G05F 116
Patent
active
059906677
ABSTRACT:
A regulator is provided for establishing asymmetrical voltage increase/decrease capability between an input node and an output node for enhanced regulation of either a voltage sag or a voltage swell within a utility system. The regulator includes an autotransformer having an input tap coupled to the input node of the regulator and an output tap coupled to the output node. The regulator further includes an electronic tap changer system coupled to the winding of the autotransformer. Together, the autotransformer and the electronic tap changer system provide the regulator with its asymmetrical voltage increase/decrease capability between the input node and the output node thereof. The regulator can be configured for voltage increase only, voltage decrease only, or both, provided an asymmetrical voltage increase/decrease capability is defined.
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"Magnetic Circuits and Transformers", The M.I.T. Press, Dept. of Electrical Engineering, pp. 394-399, (no date).
Degeneff Robert C.
Raedy Steven
Han Y. J.
Utility Systems Technologies, Inc.
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