#HUAWEI DIGITAL POWER TECH CO LTD [CN]

MICRO INVERTER AND CURRENT MEASUREMENT METHOD

This application provides a microinverter and a current detection method. The microinverter includes: a primary-side circuit, configured to connect to a photovoltaic module, and convert a direct curre…

DRIVE·4d ago·2 min read

G01R15/20 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ELECTRIC POWER MEASUREMENT AND CONTROL APPARATUS, AND POWER GENERATION SYSTEM

This application provides an electric power measurement and control device and a power generation system. The electric power measurement and control device is used in the power generation system, the …

DRIVE·4d ago·2 min read

H02J13/10 HUAWEI DIGITAL POWER TECH CO LTD [CN]

BATTERY PACK AND ENERGY STORAGE SYSTEM

A battery pack and an energy storage system are provided. A housing of the battery pack includes a battery compartment and an electrical compartment that are adjacently disposed in a length direction.…

DRIVE·4d ago·2 min read

H01M10/42 HUAWEI DIGITAL POWER TECH CO LTD [CN]

MOTOR CONTROLLER AND POWERTRAIN

This application relates to the field of motor controller technologies, and in particular, to a motor controller and a powertrain. The motor controller includes a liquid cooling heat sink and an integ…

DRIVE·4d ago·2 min read

B60L15/20 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ENERGY STORAGE CONTAINER ALLOWING FOR DIRECTIONAL SMOKE GAS DISCHARGING, AND ENERGY STORAGE SYSTEM

An energy storage container (100) includes a battery cluster, a container body (110), and a flue (130). The container body (110) includes a rear wall (112) and a container door. The rear wall (112) an…

DRIVE·4d ago·2 min read

H01M50/204 HUAWEI DIGITAL POWER TECH CO LTD [CN]

PHOTOVOLTAIC INVERTER AND ROTARY SWITCH

This application provides a photovoltaic inverter and a rotary switch. The photovoltaic inverter includes the rotary switch. The rotary switch includes a switch body. The switch body includes an insul…

DRIVE·4d ago·2 min read

H02J3/32 HUAWEI DIGITAL POWER TECH CO LTD [CN]

MOTOR IN WHICH STATOR DISCHARGES LIQUID FOR WINDING COOLING, POWERTRAIN, AND ELECTRIC VEHICLE

This application relates to the field of motor technologies, and provides to a motor with stator liquid-outlet for winding cooling, a powertrain, and an electric vehicle. The motor with stator liquid-…

DRIVE·4d ago·2 min read

B60K1/00 HUAWEI DIGITAL POWER TECH CO LTD [CN]

THERMAL MANAGEMENT DEVICE AND ENERGY STORAGE SYSTEM

Embodiments of this application disclose a thermal management apparatus and an energy storage system, to improve space utilization of the thermal management apparatus and reduce a volume of the therma…

DRIVE·4d ago·2 min read

H01M10/6554 HUAWEI DIGITAL POWER TECH CO LTD [CN]

PEDAL BOX INTEGRATED WITH DUAL SENSORS, BRAKING SYSTEM, AND VEHICLE

This application provides a pedal box integrated with two sensors, a braking system, and a vehicle, to improve operating reliability of the pedal box, and further improve braking safety of the vehicle…

DRIVE·4d ago·1 min read

B60T13/74 HUAWEI DIGITAL POWER TECH CO LTD [CN]

EXHAUST ENERGY STORAGE CABINET

The present disclosure provides an energy storage cabinet with exhaust, and pertains to the field of battery energy storage technologies. An exhaust air duct assembly in the energy storage cabinet wit…

DRIVE·4d ago·2 min read

H01M10/42 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ENERGY STORAGE DEVICE, OPTICAL STORAGE SYSTEM, AND CHARGING NETWORK

This application provides an energy storage apparatus, a photovoltaic energy storage system, and a charging network. The energy storage apparatus includes a first load, a second load, a heat managemen…

DRIVE·Jun 10·2 min read

F25B31/00 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ENERGY STORAGE SYSTEM, BATTERY MONITORING METHOD, AND ENERGY STORAGE DEVICE

Embodiments of this application provide an energy storage system, a battery monitoring method, and an energy storage device, to improve precision and stability of the energy storage system. The system…

DRIVE·May 27·1 min read

H01M10/425 HUAWEI DIGITAL POWER TECH CO LTD [CN]

POWERTRAIN AND VEHICLE

This application provides a powertrain and a vehicle, and relates to the field of electric vehicles. The powertrain includes a reducer and a motor controller, and a housing of the powertrain includes …

DRIVE·May 27·2 min read

B60K1/00 HUAWEI DIGITAL POWER TECH CO LTD [CN]

CHARGING SYSTEM AND ELECTRIC VEHICLE

This application provides a charging system and an electric vehicle. The charging system includes a motor control unit (MCU) and a first inductor. A first bridge arm in the MCU and the first inductor …

DRIVE·May 27·1 min read

B60L50/60 HUAWEI DIGITAL POWER TECH CO LTD [CN]

CHARGING MODULE AND CHARGING PILE

A charging module includes: a housing, a rectifying plate, and a direct current conversion plate. The housing includes an upper housing and a lower housing that are fitted to each other. An air inlet …

DRIVE·May 27·2 min read

B60L53/11 HUAWEI DIGITAL POWER TECH CO LTD [CN]

CHARGING CIRCUIT FOR ON-BOARD CHARGER AND ON-BOARD CHARGER

This application provides a charging circuit of an on-board charger, an on-board charger, and a charging control method, and relates to the field of on-board charger technologies. A second end of a fi…

DRIVE·May 27·2 min read

B60L1/00 HUAWEI DIGITAL POWER TECH CO LTD [CN]

CHARGING SYSTEM

This application provides a charging system, applied to the field of energy technologies, to more reliably remove, when a plurality of alternating current-direct current conversion circuits are connec…

DRIVE·May 27·2 min read

H02J1/102 HUAWEI DIGITAL POWER TECH CO LTD [CN]

INTEGRATED CHARGER AND MOTOR CONTROL SYSTEM COMPRISING A TRANSFORMER AND MULTI-LEVEL POWER CONVERTERS

According to one aspect of the present disclosure, there is provided an apparatus that includes first, second, and third power converter stages connected to a transformer module. At least one of the f…

DRIVE·May 20·1 min read

B60L50/61 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ASYNCHRONOUS MOTOR PROCESSING METHOD, APPARATUS, DEVICE AND SYSTEM, AND VEHICLE

This application provides a method for processing an asynchronous motor. The method includes: obtaining indication trigger information; and in response to the indication trigger information, injecting…

DRIVE·May 20·1 min read

B60L1/08 HUAWEI DIGITAL POWER TECH CO LTD [CN]

BIPOLAR POWER SUPPLY SYSTEM AND CONTROL METHOD

A bipolar power supply system and a control method are provided, to improve management efficiency of controlling a neutral wire current. The bipolar power supply system includes a voltage conversion u…

DRIVE·May 6·2 min read

H02J1/08 HUAWEI DIGITAL POWER TECH CO LTD [CN]

PROTECTION APPARATUS AND PROTECTION METHOD FOR PHOTOVOLTAIC POWER GENERATION SYSTEM AND PHOTOVOLTAIC POWER GENERATION SYSTEM

This application discloses a protection apparatus and a protection method for a photovoltaic power generation system and a photovoltaic power generation system, and relates to the field of photovoltai…

DRIVE·May 6·2 min read

H02H3/087 HUAWEI DIGITAL POWER TECH CO LTD [CN]

BOX-TYPE SUBSTATION, ENERGY STORAGE POWER SUPPLY SYSTEM, AND PHOTOVOLTAIC POWER GENERATION SYSTEM

This application discloses a 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-volt…

DRIVE·Apr 22·2 min read

H02B1/24 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ELECTRIC MOTOR DRIVING APPARATUS, ELECTRIC MOTOR SYSTEM, AND ELECTRIC VEHICLE

This application provides a motor driving apparatus, a motor system, and an electric vehicle, to improve running efficiency of a motor and avoid damaging an inverter. The motor driving apparatus inclu…

DRIVE·Apr 22·2 min read

B60L15/007 HUAWEI DIGITAL POWER TECH CO LTD [CN]

REFRIGERANT THERMAL MANAGEMENT MODULE, THERMAL MANAGEMENT SYSTEM AND VEHICLE

Embodiments of this application provide a refrigerant thermal management module, a thermal management system, and a vehicle. Components in the refrigerant thermal management module are centrally arran…

DRIVE·Apr 22·2 min read

B60H1/00278 HUAWEI DIGITAL POWER TECH CO LTD [CN]

BACKWARD FLOWING SLOW-START CIRCUIT OF STRING PHOTOVOLTAIC INVERTER

A backfeed soft-start circuit (153) for a photovoltaic inverter is provided. The backfeed soft-start circuit (153) includes a plurality of branch switches (K1, K2, ..., and KN). A solar photovoltaic a…

DRIVE·Apr 22·2 min read

H02J3/381 HUAWEI DIGITAL POWER TECH CO LTD [CN]

POWERTRAIN AND ELECTRIC VEHICLE

The application provides a power assembly, including a shell and a power component disposed in the shell. The shell includes an accommodating structure, a flow diversion structure, a liquid storage st…

DRIVE·Apr 22·2 min read

B60K1/00 HUAWEI DIGITAL POWER TECH CO LTD [CN]

POWERTRAIN AND VEHICLE

Embodiments of this application provide a powertrain and a vehicle. The powertrain includes a housing, and the housing has a plurality of cooling channels that intersect and communicate with each othe…

DRIVE·Apr 8·1 min read

B22D17/00 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ENERGY STORAGE SYSTEM

This application provides an energy storage system. The energy storage system includes at least one energy storage unit cluster and a centralized monitoring system of the energy storage unit cluster, …

DRIVE·Apr 1·2 min read

H01M10/42 HUAWEI DIGITAL POWER TECH CO LTD [CN]

CHARGER, SOFT START METHOD, ELECTRIC VEHICLE, AND CHARGING SYSTEM

A charger, a soft-start method, an electric vehicle, and a charging system are disclosed. The charger includes a control module, a DC-DC conversion circuit, and a first capacitor. When the electric ve…

DRIVE·Apr 1·1 min read

B60L50/60 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ENERGY STORAGE APPARATUS, METHOD FOR OBTAINING BATTERY STATE OF HEALTH VALUE, AND BATTERY MANAGEMENT SYSTEM

This application provides an energy storage apparatus, a method for obtaining a battery state of health value, and a battery management system. The energy storage apparatus, the method for obtaining t…

DRIVE·Mar 25·2 min read

G01R31/367 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ISLANDING DETECTION METHOD AND APPARATUS

This application discloses an islanding detection method and apparatus. The method includes: An alternating current frequency of an inverter is monitored. The alternating current frequency fluctuates …

DRIVE·Mar 25·2 min read

G01R19/2513 HUAWEI DIGITAL POWER TECH CO LTD [CN]

BUSBAR ASSEMBLY, BATTERY MODULE, AND BATTERY PACK

A busbar assembly, a battery module, and a battery pack are provided. The busbar assembly includes: a support, where a plurality of hollow-out structures are disposed on the support, and each hollow-o…

DRIVE·Mar 25·2 min read

H01M50/503 HUAWEI DIGITAL POWER TECH CO LTD [CN]

INTERFACE CIRCUIT, STRING, AND SYSTEM APPLIED TO POWER LINE COMMUNICATION

Embodiments of this application disclose an interface circuit, a string, and a system that are applied to power line communication, to lower device specifications, for example, a safety specification …

DRIVE·Mar 25·2 min read

H02S40/30 HUAWEI DIGITAL POWER TECH CO LTD [CN]

UNINTERRUPTIBLE POWER SUPPLY

This application provides an uninterruptible power supply. A rectifier of the uninterruptible power supply includes six first rectifier diodes, six second rectifier diodes, three alternating current s…

DRIVE·Mar 25·2 min read

H02J7/02 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ENERGY STORAGE MODULE, ENERGY STORAGE APPARATUS, AND POWER GENERATION SYSTEM

An energy storage module, an energy storage apparatus, and a power generation system are provided. The energy storage module (43) includes a first cell (431), a second cell (432), and an air channel m…

DRIVE·Mar 25·2 min read

H01M10/613 HUAWEI DIGITAL POWER TECH CO LTD [CN]

SPLIT-TYPE OIL-PASSING POWERTRAIN AND ELECTRIC VEHICLE

This application provides a split-type oil-passing powertrain and an electric vehicle. The powertrain includes a motor, a reducer, and a reducer end cover. A motor shaft of the motor is fastened to a …

DRIVE·Mar 18·2 min read

B60K11/02 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ELECTRIC MOTOR DRIVING METHOD, APPARATUS AND SYSTEM

Embodiments of this application disclose a motor driving method, an apparatus, and a system, and relate to the chip field. The solution may include: When a motor control apparatus determines that a mo…

DRIVE·Mar 11·1 min read

B60L15/2072 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ELECTRIC MOTOR, ELECTRIC MOTOR CONTROLLER, HEAT EXCHANGE SYSTEM, AND CONTROL METHOD

This application discloses a motor, a motor controller, a heat exchange system, and a control method, and relates to the motor field and is used to improve motor heating efficiency. The motor includes…

DRIVE·Mar 4·2 min read

B60L1/08 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ENERGY STORAGE SYSTEM, ENERGY STORAGE CONVERTER, AND OPTIMIZATION METHOD FOR PRIMARY FREQUENCY MODULATION

This application discloses an energy storage system, a power conversion system, and a method for optimizing primary frequency modulation. In the method, when the power conversion system determines tha…

DRIVE·Feb 25·2 min read

H02J3/00142 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ENERGY STORAGE SYSTEM CONTROL METHOD AND ENERGY STORAGE SYSTEM

This application provides a method for controlling an energy storage system and a system. The method for controlling the energy storage system includes: determining that a first energy storage unit cl…

DRIVE·Feb 25·2 min read

H02J3/32 HUAWEI DIGITAL POWER TECH CO LTD [CN]