BATTERY PACK, ENERGY STORAGE APPARATUS, AND ENERGY STORAGE SYSTEMA battery pack, an energy storage apparatus, and an energy storage system are provided. The energy storage apparatus includes a plurality of stacked battery packs, each battery pack including a plural…DRIVE·3d ago·1 min readFollowH01M50/503Huawei Digital Power Technologies Co., Ltd.
INVERTER AND CONTROL METHOD FOR SENDING PWM DRIVER GATING SIGNALAn 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 controlle…DRIVE·3d ago·1 min readFollowH02M7/53871Huawei Digital Power Technologies Co., Ltd.
POWER CONVERTEREmbodiments of this application provide a power converter. The power converter includes a controller, at least one bridge arm, and a first capacitor and a second capacitor that are connected in series…DRIVE·3d ago·1 min readFollowH02M7/53875Huawei Digital Power Technologies Co., Ltd.
Energy storage system and control method thereofAn energy storage system includes a fire suppression system controller, a fire extinguishing apparatus, a first sensing unit configured to detect a temperature and smoke of the energy storage system, …DRIVE·5d ago·1 min readFollowA62C3/16Huawei Digital Power Technologies Co., Ltd.
METHOD FOR PULSE-HEATING POWER BATTERY OF ELECTRIC VEHICLE, AND ELECTRIC VEHICLEThis application provides a method for pulse-heating a power battery of an electric vehicle, and an electric vehicle. The electric vehicle includes a plurality of motors and a plurality of three-phase…DRIVE·Jun 11·1 min readFollowH01M10/637Huawei Digital Power Technologies Co., Ltd.
Method for controlling photovoltaic power generation, control device, and photovoltaic power generation systemEmbodiments relate to the field of photoelectric technologies, and provide a method for controlling photovoltaic power generation, a control device, and a photovoltaic power generation system. The met…DRIVE·Jun 9·1 min readFollowH02S50/00Huawei Digital Power Technologies Co., Ltd.
UNINTERRUPTIBLE POWER SUPPLY CABINETThe uninterruptible power supply cabinet includes a cabinet body, a switch component, and a power cabinet. The cabinet body is provided with an external port and a first power connection end, and the …DRIVE·Jun 4·1 min readFollowH02B13/005Huawei Digital Power Technologies Co., Ltd.
Photovoltaic power generation systemA photovoltaic power generation system includes a single-stage inverter, an anti-backflow circuit, a photovoltaic string, and a coupling capacitor. The anti-backflow circuit is connected to one input …DRIVE·May 26·1 min readFollowH02S40/32Huawei Digital Power Technologies Co., Ltd.
ELECTRO-MECHANICAL BRAKE APPARATUS WITH BRAKE MOTOR AND CONTROLLER SEPARATED, AND VEHICLEThis application provides an electro-mechanical brake apparatus and a vehicle. The electro-mechanical brake apparatus includes a brake motor, a gearbox, and a controller configured to drive the brake …DRIVE·May 14·1 min readFollowB60T13/741Huawei Digital Power Technologies Co., Ltd.
POWER CONVERSION APPARATUS AND ENERGY STORAGE APPARATUSA power conversion apparatus and an energy storage apparatus. The power conversion apparatus includes a switch module, a power conversion module, a first processing module, and a second processing mod…DRIVE·May 14·1 min readFollowH02J7/663Huawei Digital Power Technologies Co., Ltd.
POWERTRAIN ARRANGED ALONG POWER FLOW, AND ELECTRIC VEHICLEA powertrain including an integrated housing, a motor, and a motor controller. The integrated housing includes a motor accommodating cavity, a controller accommodating cavity, a direct-current input i…DRIVE·May 7·1 min readFollowH02K5/04Huawei Digital Power Technologies Co., Ltd.
OIL-COOLED POWERTRAIN AND ELECTRIC VEHICLEThis application provides an oil-cooled powertrain and an electric vehicle. The oil-cooled powertrain includes a reducer, a motor, and an oil through pipe. The reducer includes a reducer input shaft. …DRIVE·Apr 30·2 min readFollowB60K11/02Huawei Digital Power Technologies Co., Ltd.
MOTOR, POWERTRAIN, AND ELECTRIC VEHICLEA motor end cover of a motor includes a motor shaft hole, a winding wiring hole, and at least one cooling hole. Along the axial direction of the motor, the winding wiring hole, the motor shaft hole, a…DRIVE·Apr 30·1 min readFollowH02K9/19Huawei Digital Power Technologies Co., Ltd.
Grid-Connected Power Converter, Power Control Method Therefor, and Energy Storage SystemWhen a frequency of an alternating current power grid has a first frequency, a grid-connected power converter adjusts an output power of a power conversion circuit from a preset reference power to a f…DRIVE·Apr 16·2 min readFollowH02J3/44Huawei Digital Power Technologies Co., Ltd.
POWER MODULE AND CHARGING DEVICEA power module includes N groups of interleaved parallel PFC circuits and a controller. Each group of the interleaved parallel PFC circuits includes a PFC inductor, an autotransformer, a first rectifi…DRIVE·Mar 26·1 min readFollowH02M1/4233Huawei Digital Power Technologies Co., Ltd.
POWER MODULE AND CHARGING DEVICEA power module and a charging device. The power module includes a substrate, a power component, and a heat sink. The substrate includes at least two conductive layers, the at least two conductive laye…DRIVE·Mar 5·1 min readFollowH05K1/181Huawei Digital Power Technologies Co., Ltd.
INTEGRATED COMPONENT, MOTOR CONTROLLER, AND POWERTRAINEmbodiments of this application provide an integrated component, a motor controller, and a powertrain. The integrated component includes an integrated housing and a capacitor core. The integrated hous…DRIVE·Feb 26·1 min readFollowB60L15/007Huawei Digital Power Technologies Co., Ltd.
DUAL-BACKUP BRAKE SYSTEM OF VEHICLE AND VEHICLEA dual-backup brake system of a vehicle to reduce costs of the brake system and difficulty of deploying the brake system. The brake system includes a first controller, a second controller, a backup br…DRIVE·Feb 26·1 min readFollowB60T8/172Huawei Digital Power Technologies Co., Ltd.
Temperature Control System, Energy Storage System, Vehicle, and Multi-Way ValveA multi-way valve includes a valve core and a valve seat. The valve seat is sleeved on the valve core. An outer circumferential surface of the valve core is in contact with an inner circumferential su…DRIVE·Feb 12·1 min readFollowF16K11/044Huawei Digital Power Technologies Co., Ltd.
BATTERY PACK AND ENERGY STORAGE SYSTEMA battery pack and an energy storage system. The battery pack is configured to supply power to an inverter. The battery pack includes a battery, a conversion circuit, and a black start circuit. The co…DRIVE·Jul 31·1 min readFollowH02J3/0073Huawei Digital Power Technologies Co., Ltd.
BACKUP APPARATUS AND POWER CONVERTERA backup apparatus includes a contactor, a first rectifier circuit, an auxiliary power supply circuit, a first switch, a second switch, and a controller. The contactor includes a coil connected to the…DRIVE·Jun 26·2 min readFollowH02J3/32Huawei Digital Power Technologies Co., Ltd.
POWER DEVICE, POWER DEVICE CONTROL METHOD, AND PHOTOVOLTAIC POWER GENERATION SYSTEMA component-level power electronics device is able to switch between a shutdown mode, a normal working mode, and a safe working mode, which includes: when the component-level power electronics device …DRIVE·Jun 5·1 min readFollowH02J3/46Huawei Digital Power Technologies Co., Ltd.
POWER CONVERTER AND METHOD FOR CONTROLLING POWER CONVERTERA power converter and a method. When the voltage at the grid connection point exceeds the preset voltage range and an amplitude of a voltage output by the power conversion circuit is not greater than …DRIVE·Mar 27·2 min readFollowH02J3/1835Huawei Digital Power Technologies Co., Ltd.
BOX-TYPE SUBSTATION, ENERGY STORAGE POWER SUPPLY SYSTEM, AND PHOTOVOLTAIC POWER GENERATION SYSTEMA box-type substation, an energy storage power supply system, and a photovoltaic power generation system. The box-type substation includes a low-voltage cabinet, a high-voltage cabinet, a transformer,…DRIVE·Mar 6·1 min readFollowH02H11/008Huawei Digital Power Technologies Co., Ltd.
DIRECT CURRENT CHARGING APPARATUS, POWERTRAIN, AND ELECTRIC VEHICLEA direct current charging apparatus, a powertrain, and an electric vehicle. The direct current charging apparatus which includes a direct current charging interface, a switch module, and a direct curr…DRIVE·Jan 9·1 min readFollowB60L53/11Huawei Digital Power Technologies Co., Ltd.
Power Supply SystemA power supply system includes a bypass branch, at least two energy storage branches, and a controller. An input of the bypass branch is configured to connect to a power supply, and an output of the b…DRIVE·Jan 2·2 min readFollowH02J3/32Huawei Digital Power Technologies Co., Ltd.
UNINTERRUPTIBLE POWER SUPPLYAn uninterruptible power supply. A rectifier of the uninterruptible power supply includes six first rectifier diodes, six second rectifier diodes, three alternating current side relays, six direct cur…DRIVE·Jan 2·1 min readFollowH02J9/062Huawei Digital Power Technologies Co., Ltd.
PHOTOVOLTAIC INVERTER AND CONTROL METHOD THEREOF, AND PHOTOVOLTAIC SYSTEMA photovoltaic inverter and a control method thereof, and a photovoltaic system. The photovoltaic inverter system includes a voltage conversion circuit, an inverter circuit, and a controller. The cont…DRIVE·Nov 14·1 min readFollowH02J3/38Huawei Digital Power Technologies Co., Ltd.
POWER SYSTEM OF ELECTRIC VEHICLE, CONTROLLER, AND ELECTRIC VEHICLEA power system of an electric vehicle, a controller, and the electric vehicle. The power system includes two drive motors and two motor control units. The two drive motors are separately in transmissi…DRIVE·Nov 7·1 min readFollowB60L53/62Huawei Digital Power Technologies Co., Ltd.
ACTIVE POWER CONVERSION APPARATUS, SYSTEM, AND METHOD FOR USE IN ACTIVE POWER CONVERSION APPARATUSAn active power conversion apparatus (APCA) is configured to estimate the grid frequency estimation of an electric grid connected to the APCA. The APCA includes a controller configured to receive meas…DRIVE·Oct 31·1 min readFollowH02J3/50Huawei Digital Power Technologies Co., Ltd.
ENERGY STORAGE APPARATUS AND ENERGY STORAGE APPARATUS CONTROL METHODAn energy storage apparatus includes a battery, a DC/DC conversion circuit, a controller, a first branch, and a second branch. The battery is connected to a first end of the DC/DC conversion circuit, …DRIVE·Oct 31·1 min readFollowH02M1/0058Huawei Digital Power Technologies Co., Ltd.
DIRECT CURRENT CONVERTER, COMMUNICATION DEVICE, AND PHOTOVOLTAIC SYSTEMA direct current converter includes a full-bridge inverter, a control module, a transformer, a resonant circuit, and a rectifier module. The full-bridge inverter includes a first switching device, a s…DRIVE·Oct 31·1 min readFollowH02M3/33573Huawei Digital Power Technologies Co., Ltd.
POWERTRAIN, CONTROL APPARATUS AND MOTOR CONTROL UNITA powertrain, a control apparatus, and a motor control unit. The powertrain includes a drive motor and a transmission device. The transmission device disconnects a transmission connection between the …DRIVE·Sep 26·1 min readFollowB60W30/194Huawei Digital Power Technologies Co., Ltd.
POWER SUPPLY SYSTEM AND CURRENT CONVERSION METHODA converter circuit is configured to output a first reactive current to a power grid when a voltage value of an output port of the converter circuit decreases from a first working voltage value to a s…DRIVE·Sep 12·1 min readFollowH02J3/1835Huawei Digital Power Technologies Co., Ltd.
POWER CONVERTER AND PROTECTION METHOD FOR SHORT CIRCUIT TO GROUND ON DIRECT CURRENT SIDE THEREOFA power converter includes a power conversion circuit, a relay, and a controller. The power conversion circuit can be configured to implement conversion from a direct current to an alternating current…DRIVE·Sep 12·1 min readFollowH02J3/388Huawei Digital Power Technologies Co., Ltd.
INVERTER AND INVERTER CONTROL METHODAn 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 b…DRIVE·Sep 12·1 min readFollowH02M7/53871Huawei Digital Power Technologies Co., Ltd.
Microgrid System, Power Converter, and Control Method for Power ConverterAn output end of a power converter is connected to a microgrid bus, and the microgrid bus is connected to an external power grid through a grid-tied switch. When detecting that a power grid fails, the…DRIVE·Sep 12·2 min readFollowH02J3/0012Huawei Digital Power Technologies Co., Ltd.
POWER CONVERSION DEVICEA power conversion device includes a positive direct current bus, a negative direct current bus, a first capacitor, a second capacitor, a first inductor, a first discharge unit. The first capacitor is…DRIVE·Sep 5·1 min readFollowH02M1/322Huawei Digital Power Technologies Co., Ltd.
POWER CONVERSION APPARATUS AND CONTROL METHODA power conversion apparatus including a first direct current conversion module, a second direct current conversion module, and a control module. The control module is configured to: in response to an…DRIVE·Aug 29·2 min readFollowH02J3/46Huawei Digital Power Technologies Co., Ltd.
Power Supply Apparatus and Power SystemA power supply apparatus includes a first power module, a second power module, an energy storage module, and a controller. An output terminal of the first power module is connected in parallel to an o…DRIVE·Aug 29·1 min readFollowH02J1/106Huawei Digital Power Technologies Co., Ltd.
