Carrier injection sensorless control of aircraft variable...

Details Carrier injection sensorless control of aircraft variable... Carrier injection sensorless control of aircraft variable...

2006-04-25

2006-04-25

Masih, Karen (Department: 2837)

Electricity: motive power systems

Synchronous motor systems

Synchronization systems

C318S432000, C318S434000, C318S434000

Reexamination Certificate

active

07034497

ABSTRACT:
A carrier injection sensorless (CIS) starting control system that is capable of determining the angular position and velocity of a rotor for a wound field synchronous machine at or near rest and comprises north-south pole determination and a variable or dual frequency carrier signal for improved performance throughout the start sequence for the machine.

REFERENCES:
patent: 6498451 (2002-12-01), Boules et al.
patent: 2004/0080229 (2004-04-01), Haner

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