Provided are a power supply circuit and a motor control device configured to suppress complexity in management of the power supply circuit. A switching unit acquires identification information that is information corresponding to a type of a torque sensor. Based on the acquired identification information, the switching unit outputs either a reference voltage or a power supply voltage as a standard voltage. A voltage application unit applies to the torque sensor an operation voltage in accordance with a type of the torque sensor based on the power supply voltage or the reference voltage that is the standard voltage of the voltage application unit and that is applied by the switching unit.

An isolation transformer boost system. The system including a power supply and an isolation transformer. The isolation transformer including a primary winding electrically connected to the power supply, a secondary winding, a first voltage tap, and a second voltage tap. The isolation transformer is configured to, in response to a command from an electronic processor, disconnect a connection from the first voltage tap and establish a second connection from the second voltage tap.

Embodiments of the disclosure pertain to a voltage regulator system having a voltage regulation controller and a transformer assembly. The transformer assembly includes a coil winding, a multi-contact tap arrangement connected to the coil winding, and a multifurcated tap changer system that includes a first tap changer having a contactor element which makes contact with a first contact of the multi-contact tap arrangement when the controller provides a positioning stimulus based on sensing a voltage deviation from a nominal output voltage of the voltage regulator system. The multifurcated tap changer system further includes a second tap changer that is mechanically ganged to the first tap changer and includes another contactor element arranged to automatically make contact with a second contact of the multi-contact tap arrangement when the contactor element of the first tap changer makes contact with the first contact of the multi-contact tap arrangement.

A voltage supply device for an aircraft control device having a first and a second main channel arrangement for redundancy and reliability, wherein the voltage supply device has a first and a second output transformer, wherein a first output inductor of the first main channel arrangement is designed as a primary winding of the first output transformer, and the second output inductor of the second main channel arrangement is designed as a primary winding of the second output transformer; and wherein the voltage supply device has at least a first secondary channel arrangement, wherein the first secondary channel arrangement has a first secondary voltage output and a first secondary winding of the first output transformer and a first secondary winding of the second output transformer, wherein the first secondary voltage output is connected to the first secondary windings which are connected in parallel.

A voltage supply device for an aircraft control device having a first and a second main channel arrangement for redundancy and reliability, wherein the voltage supply device has a first and a second output transformer, wherein a first output inductor of the first main channel arrangement is designed as a primary winding of the first output transformer, and the second output inductor of the second main channel arrangement is designed as a primary winding of the second output transformer; and wherein the voltage supply device has at least a first secondary channel arrangement, wherein the first secondary channel arrangement has a first secondary voltage output and a first secondary winding of the first output transformer and a first secondary winding of the second output transformer, wherein the first secondary voltage output is connected to the first secondary windings which are connected in parallel.

A switching power conversion system includes a main power circuit structured to convert power from a power source at an input voltage to an output voltage using a first inductive current. The power conversion system also includes a secondary power circuit structured to scale the first inductive current to a second inductive current smaller than the first inductive current by a scaling factor. A controller is configured to control operations of the main power circuit and the secondary power circuit. Zero voltage switching (ZVS) and zero current switching (ZCS) is detected by sensing voltages across switches on the secondary power circuit. Accuracy can thus be improved. Output current of the conversion system is also determined by monitoring the voltage across a sense resistor in the secondary power circuit, which is a scaled representation of the output current, thus power loss can be reduced.

Embodiments of the disclosure pertain to a voltage regulator system having a voltage regulation controller and a transformer assembly. The transformer assembly includes a coil winding, a multi-contact tap arrangement connected to the coil winding, and a multifurcated tap changer system that includes a first tap changer having a contactor element which makes contact with a first contact of the multi-contact tap arrangement when the controller provides a positioning stimulus based on sensing a voltage deviation from a nominal output voltage of the voltage regulator system. The multifurcated tap changer system further includes a second tap changer that is mechanically ganged to the first tap changer and includes another contactor element arranged to automatically make contact with a second contact of the multi-contact tap arrangement when the contactor element of the first tap changer makes contact with the first contact of the multi-contact tap arrangement.

Embodiments of the disclosure pertain to a voltage regulator system having a voltage regulation controller and a transformer assembly. The transformer assembly includes a coil winding, a multi-contact tap arrangement connected to the coil winding, and a multifurcated tap changer system that includes a first tap changer having a contactor element which makes contact with a first contact of the multi-contact tap arrangement when the controller provides a positioning stimulus based on sensing a voltage deviation from a nominal output voltage of the voltage regulator system. The multifurcated tap changer system further includes a second tap changer that is mechanically ganged to the first tap changer and includes another contactor element arranged to automatically make contact with a second contact of the multi-contact tap arrangement when the contactor element of the first tap changer makes contact with the first contact of the multi-contact tap arrangement.

Embodiments of the disclosure pertain to a voltage regulator system having a voltage regulation controller and a transformer assembly. The transformer assembly includes a coil winding, a multi-contact tap arrangement connected to the coil winding, and a multifurcated tap changer system that includes a first tap changer having a contactor element which makes contact with a first contact of the multi-contact tap arrangement when the controller provides a positioning stimulus based on sensing a voltage deviation from a nominal output voltage of the voltage regulator system. The multifurcated tap changer system further includes a second tap changer that is mechanically ganged to the first tap changer and includes another contactor element arranged to automatically make contact with a second contact of the multi-contact tap arrangement when the contactor element of the first tap changer makes contact with the first contact of the multi-contact tap arrangement.

A system for reducing power consumption in a power supply circuit including: a transformer including: a core; a first winding including a first end and a second end of a first wire wound on the core; a second winding including a first end and a second end of a second wire, wherein the second wire has a larger cross-section than the first wire and the second end of the first wire is connected to the first end of the second wire; an input electrically connecting the first and second windings to the power supply circuit; and an output for connecting to a load; and a controller connected to the transformer for controlling an output voltage at the output, wherein the output voltage is less than a supply voltage at the input, to reduce the power consumption of the load.