Control magnetic bearing device
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United States of America Patent
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May 30, 2006
Issued Date -
N/A
app pub date -
Dec 8, 2005
filing date -
Sep 18, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A control magnetic bearing device comprises a plurality of control magnetic bearings for contactlessly supporting a rotor, an electric motor for rotating the rotor, a magnetic bearing drive circuit for driving the magnetic bearings, an inverter for driving the electric motor, a main control circuit for controlling the magnetic bearing drive circuit and the inverter, and a power source unit connected to an external power source for supplying electric power to the magnetic bearing drive circuit, the inverter and the main control unit. The main control unit has software-programmable digital processing means for controlling the inverter in accordance with an input voltage value from the power source unit.
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