Rotating machine control device
AssigneeDenso Corporation
InventorTakashi Suzuki
Life of this patent
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Abstract
One or more multiphase power converters are connected to a power supply via a high potential line and a low potential line, convert DC power of the power supply into multiphase alternate current power by operations of inverter switching elements, and apply a voltage to each of phase windings of the multiphase winding set. A DC rotating machine switch are made up of two or more legs, each of which is made up of switches on a high potential side and a low potential side connected in series via a DC motor terminal connected to a second terminal that is an end of the DC rotating machine. The DC rotating machine switch makes a voltage of the DC motor terminal variable by switching. A control unit controls operations of the inverter switching elements and the DC rotating machine switch.
Claims26
A rotating machine control device configured to drive one or more multiphase rotating machines including one or more multiphase winding sets and a plurality of DC rotating machines in each of which a first terminal that is one end is connected to a phase current path of one or more phases of at least one of the multiphase winding sets,
- the first terminal of each of two or more DC rotating machines of the plurality of DC rotating machines being connected to a phase current path of a same one phase of the multiphase winding set,
- the device comprising:
- one or more multiphase power converters that are connected to a positive electrode and a negative electrode of a power supply via a high potential line and a low potential line, respectively, convert DC power of the power supply into multiphase alternate current power by operations of a plurality of inverter switching elements connected in a bridge configuration, and apply a voltage to each of phase windings of the multiphase winding set;
- a DC rotating machine switch made up of two or more legs, each of which is made up of switches on a high potential side and a low potential side connected in series via a DC motor terminal connected to a second terminal that is an end of the DC rotating machine on an opposite side to the first terminal, the DC rotating machine switch making a voltage of the DC motor terminal variable by switching;
- and
- a control unit that controls operations of the inverter switching elements and the DC rotating machine switch.
Dependencies are inferred from the claim text.