Polyphase rotating machine equipped with an improved control...

Details Polyphase rotating machine equipped with an improved control... Polyphase rotating machine equipped with an improved control...

2011-03-22

2011-03-22

Leykin, Rita (Department: 2837)

Electricity: motive power systems

Synchronous motor systems

Brushless motor closed-loop control

C318S599000, C318S720000, C318S721000, C318S461000, C318S715000

Reexamination Certificate

active

07911166

ABSTRACT:
A machine comprising a rotor, a stator (12), a control bridge (10) with controlled switches, and a control device (20, 30) supplying control signals (C) to the control bridge (10), wherein the control device comprises means (30) for applying to at least one switch of the control bridge a control signal with a phase-lead relative to a signal representing the position of the rotor relative to the stator. According to the invention, the applying means comprise means (30) for adjusting the phase lead (d) from a plurality of values for a given rotational speed of the rotor.

REFERENCES:
patent: 4271385 (1981-06-01), Azusawa
patent: 5182500 (1993-01-01), Shimada
patent: 5796231 (1998-08-01), Kyodo
patent: 5838123 (1998-11-01), Zhao
patent: 2 026 121 (1970-09-01), None

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