An integrated charger unit including a synchronous motor comprising two or more phase winding sets, where the synchronous motor is operably magnetizable and de-magnetizable, and one or more inverter modules configured to allow power to be supplied to the synchronous motor and/or a battery. The…
A vehicle is provided that includes a traction motor. The traction motor includes a direct current (DC) capacitor and a power printed circuit board (PCB) that converts DC electrical power received from the DC capacitor to alternating current (AC) electrical power. The traction motor further…
A system including an inverter to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes a first power module including a first switch electrically connected to a positive DC power tab and an AC power tab, a second switch electrically connected to a negative DC…
A system including: first switches to receive positive DC power to generate the AC power, a positive DC power rail to provide the positive DC power to the first switches, positive DC power tabs connected to the positive DC power rail, second switches to receive negative DC power to generate the AC…
A multi-phase power inverter for an electric propulsion system includes a plurality of H-type multilevel power converters arranged between a high-voltage DC power supply and an electric machine. Each of the plurality of H-type multilevel power converters is a solid-state integrated circuit (IC)…
An electronic vehicle includes A DC link capacitor and a traction inverter coupled to the DC link capacitor. The traction inverter includes a first half bridge circuit, a second half bridge circuit, and a third half bridge circuit each coupled between terminals of the DC link capacitor. The…
An inverter includes power cards and link capacitors. The power cards have inverting circuitry configured to convert DC power provided by a power source into AC power. The link capacitors are configured to absorb ripple currents generated by the inverting circuitry or the power source. The link…
Presented are separately excited motor (SEM) drive systems, methods for making/using such systems, and vehicles equipped with such systems. A motor drive system includes a rechargeable battery unit and a multilevel power factor correction (PFC) device interposed between and electrically connecting…
A dual inverter open winding machine for a vehicle. The machine may include an electric motor, a first energy source, a first inverter, a second energy source, and a second inverter. The first inverter may include a plurality of first switches independently operable between an opened position and a…
A motor control device that controls driving of a first inverter and a second inverter each configured to control a supply current to a three-phase alternating-current motor. The motor control device is configured to: switch a control mode between a single-inverter control mode in which one of the…
A power supply circuit in an inverter for driving an electrical machine includes a high-voltage branch, a low-voltage branch, a backup supply branch, an operating DC/DC converter, which is connected on the one hand to the high-voltage branch and on the other hand to the low-voltage branch, a backup…
A power converter includes a charger, a battery, a motor, an inrush current limiter, and processing circuitry. A first switching unit connects the charger to the battery. A second switching unit connects a positive conductor to the neutral point of the motor. A third switching unit connects the…
A device for controlling a motor for a vehicle is disclosed. The device may include: a first inverter for supplying power to a first winding wound to the motor; a second inverter for supplying power to a second winding wound to the motor; a motor position sensor for detecting at least one of a…
A boost charging control method, apparatus, and a storage medium, wherein the boost charging control method includes selecting, based on an electrical angle θ of the motor, two phase windings of a motor with top two inductance strengths as working windings. The method also includes controlling…
This application provides an inverter apparatus used in a motor controller, a motor controller, and a vehicle. The inverter apparatus includes a capacitor module, a power module, and a first heat sink. The power module includes a plurality of power transistors, and the plurality of power…
A loss in each of a converter, an inverter, and a motor changes according to operation based on the rotation speed of the motor or the like. Thus, in order to efficiently perform operation, appropriate control needs to be performed according to the voltage of a DC power supply and operation of the…
An electric working machine includes battery packs, an actuated device to be actuated by electricity supplied from the battery packs, and a controller to control discharging of the battery packs based on remaining charge levels of the battery packs. The controller is configured/programmed to select…
The rapid charge and discharge system includes: an inverter connected to a battery and including first to third switch legs to operate to charge or discharge the battery, the inverter including a plurality of switches; first to third inductors each having one end connected to a node between two…
There is provided an electric traction system, comprising: a step-down transformer comprising a primary winding for operatively coupling to an AC power supply and a secondary winding which is inductively coupled to the primary winding; a traction converter module comprising a first input terminal…
An electrified vehicle includes a traction battery, an inverter coupled to the traction battery via positive and negative legs of a high voltage bus and operable to convert DC power from the traction battery to three-phase AC power, a capacitor connected across the positive and negative legs of the…
A power conversion device includes an inverter, rotating electrical machine, a positive electrode side main path, a negative electrode side main path, a neutral point path, switches provided on the positive electrode side main path, the negative electrode side main path and the neutral point path…
A control device for a three-phase inverter of a vehicle prime mover is configured to activate active discharge of a DC link of the inverter and at the same time to switch on the lower half-bridge switches of the inverter during the active discharge, and to switch on an upper half-bridge switch of…
When a DC power source fails, the following controls are performed. The normal control is resumed when an inverter input voltage recovers before a standby period elapses after a power failure time. A power source relay is turned off when the standby period elapses without recovery of the voltage…
An electrified vehicle having a first inverter having a DC terminal and a plurality of legs respectively connected to one end of each of a plurality of coils of a motor, a second inverter connected to the DC terminal, and including a plurality of legs connected to the other ends of the plurality of…
A motor drive system includes a precharge circuit having an intelligent charging and discharging mechanism. In terms of charging, a delay circuit can be used to delay a timing for turning on the low-impedance path, a detection circuit can also detect a system status and a battery voltage, and…
A method is provided for operating an electric drive system () with an electric machine () that comprises a first multiphase winding operatively coupled to a first inverter (), and has at least one second multiphase winding that is coupled to a second inverter (), A first energy storage () is…
It is an object of the present invention to provide a drive system including an induction generator comprising some primary windings that has a main winding and an auxiliary winding, the drive system being capable of supplying electric power required by an auxiliary inverter, even in a regenerative…
An electrical ride-through (ERT) unit is configured to apply a voltage to a drive circuit during disruptions of line voltage to the drive circuit. The ERT unit includes a capacitor on an ERT circuit that is prevented from applying the voltage to the drive circuit during normal operation of the…
A power conversion apparatus includes a rotating electrical machine equipped with star-connected windings and an inverter equipped with series-connected units made up of upper arm switches and lower arm switches. The power conversion apparatus also includes a connecting path which electrically…
An aircraft includes: rotors each driven by an electric motor; a PCU that converts AC power output from a generator into DC power; an inverter that converts DC power supplied from the PCU into AC power and outputs the AC power to the electric motor; a DC wire that connects the PCU and the inverter…