Controller for variable speed alternating current motor

Details Controller for variable speed alternating current motor Controller for variable speed alternating current motor

2011-03-08

2011-03-08

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Induction motor systems

Primary circuit control

C318S768000, C318S105000, C363S071000, C363S065000

Reexamination Certificate

active

07902791

ABSTRACT:
A controller for operating a variable speed alternating current motor using inverters to which power is supplied from two or more power supplies including an energy accumulator has a first inverter for converting direct current supplied from the outside into alternating current, a power supply for accumulating direct current, a second inverter for converting direct current supplied from the power supply into alternating current, and an adder for adding the alternating current voltages outputted from the first and second inverters.

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Korean Office Action in corresponding Application No. 10-2007-7017152 dated Feb. 2, 2009.
International Search Report.

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