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Title:
ELECTRIC POWER CONVERTING DEVICE, MOTOR MODULE, AND ELECTRIC POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/049449
Kind Code:
A1
Abstract:
This electric power converting device is provided with: an inverter connected to other ends of windings of an n-phase (where n is an integer at least equal to 3) motor of which one end of each winding is connected in a Y shape, the inverter having n legs each of which includes a low side switch element and a high side switch element; a first phase splitting relay circuit which, for each phase, switches between connection and non-connection, by way of the inverter, of a power supply and the n-phase windings; a sub-inverter having at least one leg connected in parallel with the n legs of the inverter, and connected to said other ends of the n-phase windings; and a second phase splitting relay circuit which switches between connection and non-connection, by way of the sub-inverter, of the power supply and the n-phase windings.

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Inventors:
GHADERI, Ahmad (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
Application Number:
JP2018/022031
Publication Date:
March 14, 2019
Filing Date:
June 08, 2018
Export Citation:
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Assignee:
NIDEC CORPORATION (338 Kuzetonoshiro-cho, Minami-ku Kyoto-sh, Kyoto 05, 〒6018205, JP)
International Classes:
H02M7/48; B62D5/04
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