H02M7/1626

Apparatus and Method for Controlling Bidirectional On Board Charger of Electric Vehicle
20230025134 · 2023-01-26 ·

An embodiment apparatus for an electric vehicle includes an indoor power outlet configured to receive power through one of a plurality of lines except for a single-phase alternating current (AC) charging line among three-phase AC input lines, a sensor configured to measure a required current of an electronic device connected to the indoor power outlet, and a controller configured to control a bidirectional on board charger of the electric vehicle based on the required current.

Three-phase series voltage and current regulator/rectifier
11594980 · 2023-02-28 · ·

Technologies for alternating current regulation controller include a controller configured to determine a voltage duty cycle based on a target voltage, and to determine a delay time based on the voltage duty cycle. The controller is coupled to input phases of an alternating current generator having multiple phases. Each phase is coupled to a silicon controlled rectifier. For each phase, the controller identifies a rising edge asserted on the input phase, waits the delay time after identifying the rising edge, and asserts an output pulse on an output driver coupled to the silicon controlled rectifier coupled to the input phase in response to waiting the delay time. Other embodiments are described and claimed.

METHOD, DEVICE AND SYSTEM FOR MANAGING MINING FACILITIES

A method, device, and system for managing a mining facility including a plurality of systems. The method includes generating, on a simulation unit, system models for one or more systems from the plurality of systems of the mining facility. The system models are generated based on one of input signal, sensor data and output signal from the plurality of systems at the mining facility. The method further includes generating a facility model of the mining facility based on dependencies between the system models and managing the mining facility by simulating operation of the mining facility using the facility model.

SUPPLY UNIT FOR A HIGH-POWER LOAD AND ARRANGEMENT INCLUDING THE SUPPLY UNIT
20230115752 · 2023-04-13 ·

A supply device for a high-power load includes a DC/DC voltage converter disposed between a high-voltage side and a low-voltage side. The DC/DC voltage converter includes a first sub-converter and a second sub-converter. The sub-converters are connected to one another in a converter series circuit between first and second primary-side DC voltage poles. The second sub-converter is connected between first and second secondary-side DC voltage poles. The sub-converters each have at least one AC voltage terminal connected to one another by a coupling device to permit an exchange of electrical power between the first and second sub-converters. The secondary-side DC voltage poles are configured for connection to the high-power load. An arrangement for converting electrical energy into chemical energy with gas generation includes the supply device.

SWITCH CONTROL METHOD TO SUPPRESS THE EFFECT OF EVEN ORDER HARMONICS IN SUPPLY VOLTAGE ON ASD
20230108457 · 2023-04-06 ·

The invention discloses systems (100) and methods (200, 300) for reducing the effect of even-order harmonics in supply voltage on the DC side components in AC-DC converters having any kind of controlled power electronic switches or their combinations. The method involves modifying the time of firing the various switches (112, 114) through a control logic arrives at through either measuring or estimating the DC bus voltage or the input AC voltage. The proposed control methods are useful in ASDs where full bridge configuration is used for AC to DC conversion. The proposed control may also be used in ASDs where a half bridge rectifier system is used. The proposed method reduces the stress on the DC bus capacitor and increases the lifetime of the capacitor. It further reduces the peak current through the device, which reduces stress on the rectifier components. It also reduces the Total Harmonic Distortion (THD.sub.i) of the line current.

Switch-mode power supplies including three-level LLC circuits
11652424 · 2023-05-16 · ·

A switch-mode power supply includes a pair of input terminals for receiving an alternating current (AC) or direct current (DC) voltage input from an input power source, a pair of output terminals for supplying a direct current (DC) voltage output to a load, and a three-level LLC circuit coupled between the pair of input terminals and the pair of output terminals. The circuit includes a first switch coupled with a first diode to define a first half-bridge and a second switch coupled with a second diode to define a second half-bridge. The power supply further includes a third switch coupled across the first diode and the second diode to short circuit the first diode and the second diode when the third switch is closed, and a control circuit including a voltage-controlled oscillator (VCO), at least one flip-flop and multiple logic gates to operate the three switches with zero-voltage switching (ZVS).

Three phase regulator rectifier for automotive battery charging and control application suitable for of a two wheeled vehicle

A three phase regulator rectifier for automotive battery charging applications of a two wheeled vehicle having a few discrete components and providing programmable feedback control for improved efficiency in battery charging applications.

INTEGRATED MODULE OF ON-BOARD CHARGER AND INVERTER AND CONTROL METHOD THEREOF

An integrated module of an OBC and an inverter includes: an OBC primary side circuit and a plurality of transformers converting, when 3-phase alternating current (AC) voltages are received from a fuel station, the 3-phase AC voltages in form and level and transmitting the converted voltages into a secondary side; and an inverter switch turned off in a charge mode in which a high capacity vehicle battery is charged, to rectify an output voltage of a secondary side of each of the plurality of transformers by a body diode included in each switching element for an inverting function.

AC-DC converter and AC-DC rectifier

An AC-DC converter can include: a rectifying circuit configured to convert an AC input voltage into a DC voltage, where at least one active switching device is included in one conductive rectifying loop of the rectifying circuit; a control circuit configured to control switching states of the active switching devices according to an output voltage of the AC-DC converter and the AC input voltage, in order to decrease an error between the DC voltage and the output voltage of the AC-DC converter; and a DC-DC converter configured to convert the DC voltage into the output voltage of the AC-DC converter.

SPACE VECTOR MODULATION FOR MATRIX CONVERTER AND CURRENT SOURCE CONVERTER
20170279370 · 2017-09-28 ·

A converter includes a transformer including primary windings and secondary windings, switches connected to the primary windings, an output inductor connected to the secondary windings, and a controller connected to the switches. The controller turns the switches on and off based on dwell times calculated using space vector modulation with a reference current {right arrow over (I)}.sub.ref whose magnitude changes with time.