Apparatus for controlling inverter

Details Apparatus for controlling inverter Apparatus for controlling inverter

2011-07-05

2011-07-05

Ip, Paul (Department: 2837)

Electricity: motive power systems

Induction motor systems

Primary circuit control

C318S471000, C318S472000

Reexamination Certificate

active

07973510

ABSTRACT:
The apparatus for controlling an inverter is disclosed which detects a rotation angle of a load using a current supplied to the load when the inverter utilizes a voltage/frequency control to control the driving of the load, and accurately drives the load using the detected rotation angle, where the current supplied to the load by the inverter is detected by a current sensor, and a rotation speed of the load is estimated by the detected current to be used for the driving of the load.

REFERENCES:
patent: 5760988 (1998-06-01), Abe et al.
patent: 6104567 (2000-08-01), Abe et al.
patent: 7504796 (2009-03-01), Ichihara
patent: 2007/0205742 (2007-09-01), Ichihara

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