Motor control apparatus and method

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United States of America Patent

PATENT NO 9793834
SERIAL NO

14769901

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Abstract

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An apparatus for controlling an AC power supply for an electric motor, said AC power supply being derived from a DC voltage. The apparatus comprises a comparer configured to provide a comparison of a modulation index of a motor control signal with a reference value. This current data provider is configured to provide current data based on a torque demand signal; a speed signal indicating the speed of rotation of the AC motor; and an indication of the DC voltage modified on the comparison for control of the motor control signal which is based on the motor current data.

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Patent Owner(s)

Patent OwnerAddress
BORGWARNER GATESHEAD LIMITEDGATESHEAD NE11 0QA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barrass, Peter Gateshead, GB 15 51
Hodgson, David Gateshead, GB 15 55
Slater, Howard Gateshead, GB 14 31

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