#Sungrow Power Supply Co., Ltd.

Photovoltaic inverter, photovoltaic power generation system and method for controlling photovoltaic power generation system

A photovoltaic inverter, a photovoltaic power generation system and a method for controlling the photovoltaic power generation system are provided. In the method, during an anti-PID operation, only an…

DRIVE·Jun 9·1 min read

H02J3/38 Sungrow Power Supply Co., Ltd.

THERMAL MANAGEMENT SYSTEM AND CONTROL METHOD THEREOF

A thermal management system includes a first liquid pipeline, a second liquid pipeline and a switching valve group, and the switching valve group is connected between the first liquid pipeline and the…

DRIVE·Mar 12·2 min read

H01M10/6568 Sungrow Power Supply Co., Ltd.

ENERGY STORAGE SYSTEM AND SELF-HEATING METHOD THEREFOR

An energy storage system and a self-heating method therefor are provided. By means of the self-heating method for an energy storage system, when a battery temperature of the energy storage system is l…

DRIVE·Mar 12·1 min read

H01M10/633 Sungrow Power Supply Co., Ltd.

INVERTER, GRID-CONNECTED CONTROL METHOD, PHOTOVOLTAIC SYSTEM, APPARATUS AND MEDIUM

An inverter, a grid-connected control method, a photovoltaic system, an apparatus, and a medium are provided. The inverter includes: a power conversion circuit and a controller. The controller is conf…

DRIVE·Jan 29·2 min read

H02J3/381 Sungrow Power Supply Co., Ltd.

PHOTOVOLTAIC INVERTER AND METHOD FOR CONTROLLING PHOTOVOLTAIC INVERTER

A photovoltaic inverter and a method for controlling the photovoltaic inverter are provided. The photovoltaic inverter includes a main circuit and a controller. A direct-current side of the main circu…

DRIVE·Jan 1·1 min read

H02J3/38 Sungrow Power Supply Co., Ltd.

DIRECT-CURRENT COUPLING SYSTEM AND CHARGING CONTROL METHOD THEREFOR

A direct-current coupling system and a charging control method therefor are provided. In the direct-current coupling system, an alternating-current side of an inverter is configured to connect a power…

DRIVE·Dec 18·1 min read

H02J3/32 Sungrow Power Supply Co., Ltd.

DC-COUPLED PHOTOVOLTAIC POWER GENERATION SYSTEM, OPERATING STATE SWITCHING METHOD AND DEVICE OF DC-COUPLED PHOTOVOLTAIC POWER GENERATION SYSTEM

A DC-coupled photovoltaic power generation system, an operating state switching method and device of the DC-coupled photovoltaic power generation system are provided according to the present disclosur…

DRIVE·Jan 9·1 min read

H02J3/0075 Sungrow Power Supply Co., Ltd.

PHOTOVOLTAIC POWER GENERATION SYSTEM AND CONTROL METHOD THEREFOR, AND POWER CONVERTER

A photovoltaic power generation system and a control method therefor, and a power converter are provided. The control method includes: obtaining MLPE state characterization information of the photovol…

DRIVE·Dec 5·1 min read

H02J3/38 Sungrow Power Supply Co., Ltd.

INVERTER AND ALTERNATING CURRENT FAULT IDENTIFICATION METHOD FOR PHOTOVOLTAIC SYSTEM

An inverter and a method for identifying a fault on an alternating current side of a photovoltaic system are provided. A controller records a waveform of a preset parameter of the photovoltaic system,…

DRIVE·Aug 1·1 min read

H02S50/10 Sungrow Power Supply Co., Ltd.

METHOD FOR SWITCHING BETWEEN FORWARD OPERATION AND REVERSE OPERATION OF ISOLATED BIDIRECTIONAL DC-DC CIRCUIT, CONTROLLER, BIDIRECTIONAL CONVERTER, AND CHARGING SYSTEM

A method for switching between a forward operation and a reverse operation of an isolated bidirectional DC-DC circuit, a controller, a bidirectional converter, and a charging system are provided. The …

DRIVE·Jul 4·2 min read

H02M3/33584 Sungrow Power Supply Co., Ltd.

MICRO INVERTER AND MODULATION METHOD THEREOF

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 on…

DRIVE·Jun 13·1 min read

H02M7/53871 Sungrow Power Supply Co., Ltd.

PHOTOVOLTAIC ASSEMBLY SHUTOFF DEVICE, INVERTER, AND PHOTOVOLTAIC QUICK SHUTOFF SYSTEM AND STARTING METHOD THEREFOR

A shutdown device for a photovoltaic module, an inverter, a rapid shutdown system, and a method for starting the rapid shutdown system are provided. The method is applied to the rapid shutdown system …

DRIVE·Jun 13·1 min read

H02J3/38 Sungrow Power Supply Co., Ltd.

MICRO INVERTER, PHOTOVOLTAIC SYSTEM AND CONTROL METHOD

A micro inverter, a photovoltaic system and a method for controlling a micro inverter are provided. The micro inverter includes a controller, a primary H-bridge, a transformer, a bi-directional switch…

DRIVE·May 23·1 min read

H02J3/1878 Sungrow Power Supply Co., Ltd.

MLPE PHOTOVOLTAIC SYSTEM AND MLPE DEVICE DETECTION METHOD THEREOF

An MLPE photovoltaic system and an MLPE device detection method thereof. An output end of each MLPE device is connected to a corresponding bus in the MLPE photovoltaic system, and each MLPE device has…

DRIVE·May 9·1 min read

H02J3/38 Sungrow Power Supply Co., Ltd.

PHOTOVOLTAIC RAPID SHUTDOWN SYSTEM AND CONTROL METHOD THEREFOR

A rapid shutdown system and a method for controlling the rapid shutdown system are provided. A disturbance is applied to a direct-current side of an inverter in the rapid shutdown system only when the…

DRIVE·May 2·1 min read

H02J3/38 Sungrow Power Supply Co., Ltd.

CONVERSION POWER SUPPLY AND AUTONOMOUS ELECTRIC ENERGY REPLENISHMENT METHOD FOR ENERGY STORAGE SYSTEM

A conversion power supply and an autonomous electric energy replenishment method for an energy storage system are provided. An output terminal of the power supply module is connected to a second side …

DRIVE·Apr 18·2 min read

H02J7/00306 Sungrow Power Supply Co., Ltd.

OFF-GRID START METHOD AND SYSTEM FOR NEW ENERGY POWER GENERATION SYSTEM

Provided are an off-grid start method and system for a new energy power generation system. The method includes: gradually boosting the voltage of a master according to a plurality of preset voltage gi…

DRIVE·Mar 14·1 min read

H02J3/007 Sungrow Power Supply Co., Ltd.

POWER CONVERSION DEVICE AND INTEGRATED MACHINE

A power conversion device and an integrated machine are provided, The power conversion device includes a housing and a power converter. The power converter is arranged in the housing, and two ends, op…

DRIVE·Sep 14·1 min read

H02M7/003 Sungrow Power Supply Co., Ltd.

CONTROL METHOD FOR PHOTOVOLTAIC RAPID SWITCHING-OFF SYSTEM, AND APPLICATION APPARATUS AND SYSTEM THEREFOR

A method for controlling a photovoltaic rapid shutdown system, an inverting system, and a photovoltaic rapid shutdown system. In the photovoltaic rapid shutdown system, the inverting system determines…

DRIVE·Sep 14·1 min read

H02J3/001 Sungrow Power Supply Co., Ltd.

POWER ELECTRONIC DEVICE ON DIRECT-CURRENT SIDE OF PHOTOVOLTAIC SYSTEM, AND TEST SYSTEM AND CONTROL METHOD THEREFOR

The Disclosed in the present application are a power electronic device on a direct-current side of a photovoltaic system, and a test system and a control method therefor, achieving a simple, fast, and…

DRIVE·Jun 8·2 min read

H02S50/10 Sungrow Power Supply Co., Ltd.

MEDIUM-VOLTAGE PHOTOVOLTAIC GRID-CONNECTION INVERTER SYSTEM, AND PHOTOVOLTAIC POWER GENERATION SYSTEM

A medium-voltage grid-connected photovoltaic inverter system includes: a photovoltaic inverter, a medium-voltage transformer, a medium-voltage switch, and an inverter grid-connected controller. A dire…

DRIVE·May 25·1 min read

H02J3/40 Sungrow Power Supply Co., Ltd.

MEDIUM-VOLTAGE PHOTOVOLTAIC GRID-CONNECTED INVERTER SYSTEM AND PHOTOVOLTAIC POWER GENERATION SYSTEM

DRIVE·May 4·1 min read

H02H7/122 Sungrow Power Supply Co., Ltd.

PHOTOVOLTAIC SYSTEM AND COMMUNICATION METHOD THEREFOR

A photovoltaic system and a communication method therefor. The communication method includes: each slave sends a report signal to a host, and monitors a response signal of the host; and if the at leas…

DRIVE·Apr 6·1 min read

H02J3/381 Sungrow Power Supply Co., Ltd.

DIRECT-CURRENT COUPLING HYDROGEN PRODUCTION SYSTEM AND CONTROL METHOD THEREFOR

A direct-current coupling hydrogen production system includes at least one electricity generation system and multiple hydrogen production electrolyzer systems. The electricity generation system includ…

DRIVE·Feb 9·1 min read

H02J3/381 Sungrow Power Supply Co., Ltd.

PHOTOVOLTAIC POWER GENERATION SYSTEM AND METHOD FOR CONTROLLING POWER BALANCE

A photovoltaic power generation system and a method for controlling power balance are provided. The system includes at least two photovoltaic arrays, at least one power balance circuit and a power con…

DRIVE·Nov 24·1 min read

H02J1/106 Sungrow Power Supply Co., Ltd.

METHOD AND DEVICE FOR ACQUIRING CHARGING ELECTRICITY AMOUNT, AND ELECTRONIC DEVICE

A method and a device for acquiring a charging electricity amount, and an electronic device are provided. When a controller determines based on at least operation state information of an external elec…

DRIVE·Nov 10·2 min read

H02J7/00032 Sungrow Power Supply Co., Ltd.

CHARGING PILE AND TESTING DEVICE, SYSTEM AND METHOD THEREOF

A charging pile, and a device, system and method for testing a charging pile are provided. An inner side of a port of one of the gun bases is connected to an inner side of the same port of the other o…

DRIVE·Oct 27·2 min read

B60L53/60 Sungrow Power Supply Co., Ltd.

INTEGRATED CHARGING DEVICE, CHARGING PILE AND METHOD FOR CONTROLLING CHARGING PILE

An integrated charging device, a charging pile and a method for controlling the charging pile are provided. In the integrated charging device, a controller is communicatively connected to a first end …

DRIVE·Oct 20·1 min read

H02J7/00036 Sungrow Power Supply Co., Ltd.

INVERTER CIRCUIT CONTROL METHOD AND DEVICE THEREOF

An inverter circuit control method and a device thereof are provided. In the control method, after determining a DC bus voltage and an output leakage current of a target inverter circuit, a modulation…

DRIVE·Oct 13·1 min read

H02M7/501 Sungrow Power Supply Co., Ltd.

ENERGY STORAGE SYSTEM AND CONTROL METHOD THEREOF

An energy storage system and a control method thereof in the field of energy storage are provided. The system includes: an energy storage battery, a first bidirectional DC/DC circuit, a DC bus, a DC/A…

DRIVE·Sep 22·1 min read

B60L53/11 Sungrow Power Supply Co., Ltd.

ENERGY STORAGE SYSTEM AND SWITCHING POWER SUPPLY THEREOF

An energy storage system and a switching power supply thereof are provided in the present disclosure. An alternating current AC input terminal of the switching power supply is connected to an AC power…

DRIVE·Aug 25·1 min read

H02J3/007 Sungrow Power Supply Co., Ltd.

BATTERY CLUSTER AND ENERGY STORAGE SYSTEM

A battery cluster and an energy storage system are provided. The battery cluster includes multiple battery modules, all of the multiple battery modules are arranged in even rows, and each battery modu…

DRIVE·Jun 16·1 min read

H01M50/51 Sungrow Power Supply Co., Ltd.

VENTILATION SYSTEM OF ENERGY STORAGE CONTAINER AND ENERGY STORAGE CONTAINER

An energy storage container ventilation system and an energy storage container are provided according to the present disclosure. The ventilation system includes an air conditioner, an air duct, and mu…

DRIVE·Jun 9·1 min read

H01M10/6562 Sungrow Power Supply Co., Ltd.

ENERGY STORAGE SYSTEM AND THERMAL MANAGEMENT METHOD FOR THE SAME

An energy storage system and a thermal management method therefor are provided. The method is performed by a smart battery thermal management unit in the energy storage system. In the method, a chargi…

DRIVE·Jun 2·1 min read

H01M10/652 Sungrow Power Supply Co., Ltd.

INTELLIGENT SWITCH DEVICE AND POWER GENERATION SYSTEM

An intelligent switch device and a power generation system are provided. The intelligent switch device includes a first power port, a second power port, a switch unit and a control unit. A first end o…

DRIVE·May 26·1 min read

H02H7/20 Sungrow Power Supply Co., Ltd.

BATTERY CLUSTER MANAGEMENT DEVICE AND BATTERY ENERGY STORAGE SYSTEM

A battery cluster management device and a battery energy storage system are provided. The battery cluster management device includes a networking circuit and an integrated controller, a connecting cir…

DRIVE·May 26·1 min read

H01M10/425 Sungrow Power Supply Co., Ltd.

METHOD AND DEVICE FOR PRIMARY FREQUENCY MODULATION IN NEW ENERGY POWER GENERATION

A method and a device for primary frequency modulation in new energy power generation are provided. An inverter performs a first power adjustment according to a p-f droop curve before receiving a powe…

DRIVE·May 19·1 min read

H02J3/381 Sungrow Power Supply Co., Ltd.

UNLOCKING CIRCUIT FOR CHARGING STATION WHEN POWERED OFF

An unlocking circuit for a charging station when powered off is provided. A microcontroller unit outputs a first level signal and a second level signal when an auxiliary power supply is cut off. A fir…

DRIVE·Apr 28·1 min read

H01R13/639 Sungrow Power Supply Co., Ltd.

CASE BODY AND CHARGING PILE

A case body and charging pile. The case body includes a shell, a partition, electrical components and a heat dissipation assembly. The partition is arranged in the shell so as to divide the shell into…

DRIVE·Apr 21·1 min read

H02J7/0042 Sungrow Power Supply Co., Ltd.

CHARGING PILE

A charging pile is provided, including: a charging unit and at least one air-cooled radiator arranged in a box; the box includes a first box and a second box, a protection level of the first box is hi…

DRIVE·Apr 21·2 min read

B60L53/302 Sungrow Power Supply Co., Ltd.