#H02J3/40

Autonomous power generation system

Method and apparatus for generating green electrical power. A modified grid-tie configuration is provided in which electrical power is supplied to a load from a utility grid source and a photovoltaic …

DRIVE·Jun 16·1 min read

H02J3/40 ElektrikGreen, Inc.

Power supply and demand synchronization system and method for modular multi-port system

A modular multiport converter system includes a plurality of distributed controllers, associated with different ports of the system that are able to synchronize to ensure that power drawn from the sys…

DRIVE·May 26·1 min read

H02J3/40 DG Matrix, Inc.

INTEGRATED COMBINED CYCLE AND RENEWABLE ELECTRICAL POWER GENERATION SYSTEM

Systems and methods for operating an integrated electrical power plant. A site power output setpoint is received for an electrical power interconnection point that receives power from a combined cycle…

DRIVE·Mar 12·1 min read

H02J3/40 Florida Power & Light Company

CAPACITY-OPTIMIZED GRID-FORMING CONTROL

Capacity-optimized grid-forming is provided. A controller includes a power-synchronization model (PSM). The PSM is configured to receive positive and negative sequence symmetrical components of an out…

DRIVE·Jul 24·1 min read

H02J3/40 EPC Power Corporation

METHOD AND SYSTEM FOR ENHANCING TRANSIENT STABILITY OF POWER SYSTEM WITH RENEWABLE ENERGY

A method for enhancing transient stability of a renewable energy power system is performed as follows. An external subsystem corresponding to the renewable energy power system is constructed. A first …

DRIVE·Feb 6·1 min read

H02J3/40 ZHEJIANG UNIVERSITY

METHOD OF REGULATING FREQUENCY OF PLURALITY OF UNINTERRUPTIBLE POWER SUPPLY UNITS AND CORRESPONDING UNINTERRUPTIBLE POWER SUPPLY UNIT

A method of regulating frequency of plurality of uninterruptible power supply units and corresponding uninterruptible power supply (UPS) unit. The method includes broadcasting, to a controller of a UP…

DRIVE·Oct 24·1 min read

H02J3/40 ABB SCHWEIZ AG

POWER CONVERTOR

A virtual synchronous generator controller included in a controller of a power convertor generates a first command value of a frequency of a second voltage and a second command value of a phase of the…

DRIVE·Sep 5·1 min read

H02J3/40 Mitsubishi Electric Corporation

VEHICLE HAVING POWER SYNCHRONIZATION METHOD USING ONECORD POWER PLUG

A vehicle comprises a battery and an energy storage system, which is mounted on the vehicle to charge the battery with power, provides power for charging a load outside of the vehicle, and synchronize…

DRIVE·Aug 8·2 min read

H02J3/40 Sungsil KIM

METHOD FOR ESTABLISHING A SUPPLY VOLTAGE AND INVERTER

A method for building up a mains voltage by using a plurality of independently controlled virtual synchronous machine (VISMA) power inverters includes supplying each VISMA power inverter with power, s…

DRIVE·Jul 18·2 min read

H02J3/40 TRUMPF Huettinger GmbH + Co. KG

PHOTOVOLTAIC SYSTEM AND CARRIER WAVE SIGNAL SYNCHRONIZATION METHOD

This application discloses a photovoltaic system and a carrier wave signal synchronization method. The photovoltaic system includes a plurality of inverters and a controller. Each inverter in the phot…

DRIVE·Mar 28·1 min read

H02J3/40 Huawei Digital Power Technologies Co., Ltd.

SYSTEM-LEVEL OVERLOAD RIDE-THROUGH CONTROL STRATEGY FOR GRID-FORMING INVERTER-BASED RESOURCES

A method for controlling a network of inverter-based resources (IBRs) during a disturbance includes, in response to a start of the disturbance, employing a system-level overload ride-through (SLORT) a…

DRIVE·Dec 21·1 min read

H02J3/40 General Electric Company

POWER SUPPLY CIRCUIT WITH SYNCHRONIZATION FUNCTIONALITY

A power supply circuit for use with a power supply system. The power supply circuit can be provided within a power supply module connected with one or more additional power supply modules as part of t…

DRIVE·Oct 12·1 min read

H02J3/40 ROCKWELL AUTOMATION TECHNOLOGIES, INC.

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.

Multi-Port Grid Forming Control for Grid Interties

A grid forming vector current control system can be used for controlling a grid intertie. A first terminal is connected to a first power grid and a second terminal is connected to a second power grid.…

DRIVE·May 11·1 min read

H02J3/40 HITACHI ENERGY SWITZERLAND AG

Power Supporting Arrangement for a Power Grid

A power supporting arrangement for a power grid includes a first and a second voltage source converter with an AC side and a DC side. A DC link interconnects the DC sides of the voltage source convert…

DRIVE·Apr 20·1 min read

H02J3/40 Hitachi Energy Switzerland AG

COMMUNICATION IN A CONVERTER DEVICE

A method can be used to synchronize time between nodes of a converter device for high voltage power conversion. The method is performed in a first node of the converter device and includes receiving a…

DRIVE·Mar 30·1 min read

H02J3/40 Hitachi Energy Switzerland Ltd

COMBINED CYCLE FREQUENCY CONTROL SYSTEM AND METHOD

A power plant is operable to provide primary frequency control for a grid. The power plant includes a gas turbine operable to power a first generator that is synchronized to the power grid and to prod…

DRIVE·Sep 1·2 min read

H02J3/40 SIEMENS ENERGY, INC.

RECLOSER CONTROL WITH DISTRIBUTED ENERGY RESOURCE SYNCHRONIZATION

The present disclosure relates to a recloser control that provides autosynchronization of a microgrid to an area electric power system (EPS). For example, a recloser control may include an output conn…

DRIVE·Jul 7·1 min read

H02J3/40 Schweitzer Engineering Laboratories, Inc.

CONTROLLED ENERGY SYSTEM

An energy system substantially converts the power input into an AC power signal that is substantially synchronized with a power signal of the power grid. The energy system is further operable in alter…

DRIVE·Apr 7·1 min read

H02J3/40 Navia Energy Inc.

Routing Power In A Power System

A power system comprising one or more power generators and a combiner. The system may be electrically connected to or include one or more loads. The combiner may have input terminals that are coupled …

DRIVE·Mar 24·1 min read

H02J3/40 Solaredge Technologies Ltd.

PHOTOVOLTAIC SYSTEM, METHOD FOR LOCATING DEVICES IN PHOTOVOLTAIC STRING, MLPE APPARATUS AND METHOD FOR RANKING MLPE APPARATUSES

A photovoltaic system, a method for locating devices in a photovoltaic string, a MLPE apparatus, and a method for ranking MLPE apparatuses. Each MLPE apparatus sends, actively according to a predeterm…

DRIVE·Mar 3·2 min read

H02J3/40 Sungrow Power Supply Co., Ltd.

MODULAR MICROGRID SYSTEMS AND METHODS

The present disclosure is directed to modular microgrids and more particularly to core modules that comprise self-synchronizing devices that can connect and self-synchronizes voltage, frequency and ph…

DRIVE·Oct 21·1 min read

H02J3/40 Renew Power Systems Inc.

GRID SYNCHRONISATION

The invention relates to a grid synchroniser for connecting an AC output of a power converter to the AC grid mains. In one aspect the invention provides a grid synchroniser comprising an inverter cont…

DRIVE·Jul 22·1 min read

H02J3/40 Tesla, Inc.

System And Method For Optimization Of Engines On A Common Variable Frequency Bus

A system and method for synchronizing a frequency of plurality of variable frequency generators with a variable frequency load over a variable frequency bus independent of a frequency conversion stage…

DRIVE·May 6·1 min read

H02J3/40 Caterpillar Inc.

BREAKER AUTO-SYNCHRONIZER

A breaker between two electrical circuits is provided that is closed when electrical properties in both of the electrical circuits are matching. Two check circuits are provided for comparing electrica…

DRIVE·Feb 25·1 min read

H02J3/40 ABB Schweiz AG

Power generation and transmission system

A power generation and transmission system, including: a wind turbine having an electrical generator (12) producing AC electrical power at a production frequency; a converter connected to the electric…

DRIVE·Dec 25·1 min read

H02J3/40 SIEMENS AG [DE]

Method for synchronising a generator with a grid

The method involves increasing a generator speed from a value corresponding to a frequency lying below a mains frequency to a synchronization speed corresponding to a value of the mains frequency plus…

DRIVE·Oct 16·1 min read

H02J3/40 ALSTOM TECHNOLOGY LTD [CH]

POWER CONDITIONER

The disclosed power conditioner suppresses generation of voltage spikes in a part of a generated sinusoidal voltage waveform. The offset between the timing of chopping, which depends on whether the vo…

DRIVE·Jul 24·1 min read

H02J3/40 OMRON TATEISI ELECTRONICS CO [JP]

PHOTOVOLTAIC GENERATION SYSTEM AND POWER FEEDING SYSTEM

According to one embodiment, a photovoltaic generation system includes a direct-current power supply, which includes a photovoltaic 3 and a battery 4 to discharge a direct-current power to a converter…

DRIVE·Jan 16·2 min read

H02J3/40 TOSHIBA KK [JP]

Synchronisation of an inverter with an electrical circuit network

The method involves determining whether required output power (14) of inverter exceeds power limit to synchronize inverter voltage with line voltage of electrical supply. The line voltage is detected …

DRIVE·Dec 12·1 min read

H02J3/40 SIEMENS AG [DE]

A grid tied inverter, system and method

A grid tied inverter connectable to an electricity grid, the grid tied inverter comprising a DC to DC current fed push-pull converter operable to generate a current waveform from a DC voltage source, …

DRIVE·Oct 3·1 min read

H02J3/40 SONY CORP [JP]

A grid tied inverter, system and method

A grid tied inverter comprising an unfolding circuit connectable to an electricity grid; and a DC to DC current fed converter operable to generate a current waveform from a battery, the current wavefo…

DRIVE·Oct 3·1 min read

H02J3/40 SONY CORP [JP]

CONTROLLED SINGLE-PHASE AC/DC CONVERTER

A single-phase voltage source AC/DC converter (40) according to the present invention generates a second axis voltage command from difference between a DC voltage detection value (31,V D ) at a DC ter…

DRIVE·Jul 4·1 min read

H02J3/40 ORIGIN ELECTRIC [JP]

Grid interconnection inverter and grid interconnection device

A grid interconnection inverter includes: a voltage conversion circuit configured to output an intermediate voltage by raising or lowering an input voltage from a direct current power source; and a wa…

DRIVE·Jul 6·1 min read

H02J3/40 SANYO ELECTRIC CO [JP]

Power conversion control system

A power distribution system (10) comprises a power conversion module (12) for performing power conversion between a DC voltage at a DC side (14) and an AC power at an AC side (16), and a conversion co…

DRIVE·Mar 30·2 min read

H02J3/40 GEN ELECTRIC [US]