An inverter and a control method for sending a pulse width modulation (PWM) driver gating signal. The inverter includes a primary-side circuit, a transformer, a secondary-side circuit, and a controller. The controller is configured to: in response to a change of an absolute value of an alternating…
A vehicle includes a system for controller the vehicle. The vehicle includes a motor. The system includes an inverter, and a gate controller. The inverter has a switch for controlling current to the motor. The gate controller is configured to apply a gate current to the switch at a first on-current…
Presented herein are systems, devices, and methods for parallel control. A device can receive a first power signal corresponding to electrical power convey via an electrical bus, the first power signal comprising a power and at least one of a first voltage or a first frequency. The device can…
A full-bridge inverter device includes channel-1 including first inverter formed of first DC link capacitor, first full bridge circuit and first output filter, second voltage and current probes and first AC load, first full bridge circuit being coupled with first gate driver circuit and first sin…
A method for hybrid control of grid-connected inverter based on time sharing of a voltage source and a current source including at least one control process, each control process including N+M control cycles. N may be a number of control cycles of a grid-connected inverter operating in a voltage…
A system includes an electronic device including a circuit having a semiconductor switch, and a controller configured to control a gate driver connected to the semiconductor switch via a protection circuit. The controller is configured to set a protection parameter including a voltage threshold…
An inverter and an inverter control method. The inverter includes an inverter system and a controller. The inverter system includes an inverter circuit, positive and negative direct current buses, a bus capacitor, and a balancing circuit. The inverter is configured to: when a user connects to an…
A method for improving an operational behavior of an inverter (), said method comprising the steps of calculating (S) a capacitance, C, of an AC capacitor of said inverter () for each electrical power supply phase (L) of the inverter () on the basis of a measured voltage signal and a measured…
A micro inverter and a modulation method thereof are provided in the present disclosure. The micro inverter includes a filter, a transformer, and a switching circuit. The switching circuit includes one or more first switching circuit and one second switching circuit. Each of the first switching…
A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power module including: a drain tab; a source tab; a first power switch including a first gate terminal configured to control a first flow of current between…
A fractal power converter and a method for constructing the fractal power converter, the method for constructing the fractal converter including: replacing a switch and/or an energy storage element of an asymmetric half-bridge sub-module with the same asymmetric half-bridge sub-module for at least…
The present disclosure relates to an inverter apparatus, a control module of the inverter apparatus, and control methods thereof, and more particularly, to an inverter apparatus enabling stable voltage control using active damping, a control module of the inverter apparatus, and control methods…
A power conversion device is provided between a power supply and a load, and converts power from the power supply and supplies the converted power to the load. The power conversion device includes a plurality of switching elements composed of semiconductor elements, and a control device which…
The present disclosure includes an inverter connected to a power supply unit via a positive electrode side electrical path and a negative electrode side electrical path and including switching elements, a rotary electric machine including windings connected to each other at a neutral point and…
A deviation between a detection result of an output current of an inverter and an actual current is suppressed. A current detection unit detects a three-phase AC current output from an inverter or input to the inverter . An inverter control device controls the inverter based on a current detection…
A power converter includes a rectangular casing that houses a semiconductor module, and bosses extending outward from three of four side walls of the casing excluding a rear side wall. The bosses include a first boss provided on a first side wall facing frontward, a second boss provided on a second…
A voltage source inverter includes a bus capacitor, a bidirectional power tube, a filter inductor, and a filter capacitor. A voltage control method includes: respectively obtaining a first feedback current and a first feedback voltage from an output end of the filter inductor and an output end of…
A motor drive system for an electrified vehicle includes a DC source, such as a battery, and an inverter, which includes one or more phase drivers, each configured to switch current from the DC source to generate AC power upon one or more output terminals using a hybrid of two or more different…
A power conversion circuit energization unit includes a bus bar module and a conductive fixing bolt. The bus bar module includes conductive P and N bus bars connected to a switch element in a power conversion device and an insulative terminal block on which the bus bars are located. The fixing bolt…
A power conversion circuit includes a switching network, a control circuit, a filter circuit, and a direct current side circuit; and the filter circuit includes a first power inductor, a common mode choke, a first differential mode filter capacitor, a first common mode filter capacitor, and a…
Current imbalances between parallel switching devices in a power converter half leg are reduced. A gate driver generates a nominal PWM gate drive signal for a respective half leg. A first feedback loop couples the nominal PWM gate drive signal to a gate terminal of a respective first switching…
A cascaded H-bridge (CHB) inverter for higher rated power conditioning systems which operates at medium voltages while providing high power quality and low dv/dt. By incorporating battery energy storage, the power conditioning system operates at night to provide power to a load or grid and…
A power conversion device achieves size reduction and reliability by reducing the number of components of the system. The power conversion device has a semiconductor module of a half-bridge configuration in which two semiconductor elements are arranged in series. The semiconductor module has a…
An object of the present invention is to improve availability when a power is lost. In a power conversion device , a gate drive power supply circuit can supply a gate drive power within a predetermined normal voltage range. A backup power supply circuit supplies the gate drive power to a lower arm…
A converter network bridge controller for a power converter hardware being connectable to an alternating current electricity network is provided. The controller includes an output unit configured for generating a quadrature voltage component reference to a PWM modulator which determines the…
A semiconductor device according to an embodiment includes: a first transistor having a first electrode, a second electrode, and a first control electrode, the first transistor performing a switching operation; a second transistor having a third electrode electrically connected to the second…