#H02J3/388

ELECTRIC SERVICE AND PANEL UPGRADE AVOIDANCE UTILIZING BATTERY ENERGY STORAGE AND MICROGRID INTERCONNECT DEVICE

Systems/methods for controlling residential renewable energy systems, such as a home solar and storage power system, resolve or avoid overloading that could arise as a result of new loads/sources in t…

DRIVE·May 28·2 min read

H02J3/388 Schneider Electric USA, Inc.

CONTROL SYSTEM FOR PROTECTING MULTI-UNIT FUEL CELL SYSTEM

A system and method includes suppling power to a utility grid with a plurality of fuel cell power plants, storing power generated by the plurality of fuel cell power plants with an energy storage syst…

DRIVE·Dec 18·1 min read

H02J3/388 HYAXIOM, INC.

FLEXIBLE LOAD STABILIZATION MODES FOR A POWER DISTRIBUTION SYSTEM

A power distribution system includes a macrogrid controller configured to control one or more first loads associated with a macrogrid, wherein the one or more first loads include a microgrid comprisin…

DRIVE·Dec 11·1 min read

H02J3/388 Caterpillar Inc.

CONTROL DESIGN FOR A PHOTOVOLTAIC SYSTEM IN GRID-FORMING OPERATION FOR POWER GRID SUPPORT

A grid-forming photovoltaic (PV) system and method for both islanded connection and grid-connected mode is provided. An inverter converts PV array voltage to a voltage usable as a power source to an e…

DRIVE·Nov 27·2 min read

H02J3/388 Siemens Corporation

CONTROL METHOD AND DISTRIBUTED ELECTRIC POWER SYSTEM

Embodiments of this application relate to the field of control technologies, and provide a control method and a distributed power system. The distributed power system includes a plurality of distribut…

DRIVE·Oct 22·2 min read

H02J3/388 HUAWEI DIGITAL POWER TECH CO LTD [CN]

METHOD FOR CONTROLLING BATTERY CHARGING/DISCHARGING CURRENT IN OFF-GRID MODE OF HYBRID ENERGY STORAGE INVERTER

Disclosed is a method for controlling battery charging/discharging current in an off-grid mode of a hybrid energy storage inverter that is based on photovoltaic and a lithium battery. If photovoltaic …

DRIVE·Mar 13·2 min read

H02J3/388 SolaX Power Network Technology (Zhejiang) Co., Ltd.

SYSTEMS AND METHODS FOR MICROGRID-POWER DISTRIBUTION MANAGEMENT WHEN DISTRIBUTED ENERGY RESOURCES TRANSITION BETWEEN OPERATING MODES

Systems and methods for microgrid-power distribution management when distributed energy resources transition between operating modes. The system includes a fuel cell system that generates DC power and…

DRIVE·Jan 2·2 min read

H02J3/388 BLOOM ENERGY CORPORATION

ENERGY STORAGE CONVERTER, CONTROL METHOD AND DEVICE THEREFOR, AND COMPUTER READABLE STORAGE MEDIUM

An energy storage converter, a control method and device for the energy storage converter, and a computer readable storage medium are provided. The control method includes: obtaining an operation stat…

DRIVE·Nov 7·1 min read

H02J3/388 JINGTSING TECHNOLOGY LTD

ISLAND NETWORK DETECTION BY VOLTAGE SOURCE INVERTERS, AND INVERTER

The disclosure is directed to an island network detection method using a voltage-impressing converter, and includes determining the frequency and phase of a voltage curve of a sub-network connected to…

DRIVE·Sep 26·1 min read

H02J3/388 SMA Solar Technology AG

POWER CONVERTER AND PROTECTION METHOD FOR SHORT CIRCUIT TO GROUND ON DIRECT CURRENT SIDE THEREOF

A 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 read

H02J3/388 Huawei Digital Power Technologies Co., Ltd.

ANTI-ISLANDING PROTECTION AND NON-EXPORTING TARIFF SUPPORT

A method for preventing unintentional islanding of loop networks when a distributed power source is providing power to the network when network power is lost. The method includes detecting loss of vol…

DRIVE·Aug 22·1 min read

H02J3/388 S&C Electric Company

CONVERTIBLE TRANSFER SWITCH

A system and a method for connecting electrical load(s) to a first power source and a second power source including a switching device and a controller. The switching device includes a first semicondu…

DRIVE·Jul 11·1 min read

H02J3/388 ABB Schweiz AG

POWER SUPPLY SYSTEM, PROTECTION METHOD FOR POWER SUPPLY SYSTEM, AND DC/DC CONVERTER

A power supply system includes at least one group of power supply modules. The power supply module includes a first string, a first residual current detection circuit, an inverter circuit, and a first…

DRIVE·May 2·1 min read

H02J3/388 Huawei Digital Power Technologies Co., Ltd.

CONVERTIBLE TRANSFER SWITCH

DRIVE·Apr 25·1 min read

H02J3/388 ABB Schweiz AG

UNIFIED CONTROL STRATEGIES FOR GRID-CONNECTED CONVERTERS

A universal control (UniCon) scheme for grid-connected converters is presented herein that allows operation automatically in grid-following, grid-firming, and grid-forming modes. The converter does no…

DRIVE·Apr 4·1 min read

H02J3/388 Georgia Tech Research Corporation

PHOTOVOLTAIC POWER GENERATION SYSTEM

The present invention relates to a photovoltaic power generation system comprising: a plurality of PV modules; and a plurality of power generation efficiency optimization units, which are installed to…

DRIVE·Mar 21·1 min read

H02J3/388 HANWHA SOLUTIONS CORPORATION

DEVICES AND METHODS FOR DISCONNECTING A GRID POWER SOURCE FROM AN ELECTRICAL DISTRIBUTION SYSTEM

An electrical distribution system is configured to supply electric power to an electric load and includes a feeder, a battery energy storage system, an electrical switchgear device and an electronic c…

DRIVE·Dec 14·1 min read

H02J3/388 Schneider Electric Industries SAS

METHOD FOR SEAMLESS SWITCHING BETWEEN OFF-GRID AND GRID-CONNECTED AND HOUSEHOLD ENERGY STORAGE SYSTEM

The present application relates to a method for seamless switching between off-grid and grid-connected including: in a grid-connected state, when a host determines that utility power is abnormal, a gr…

DRIVE·Dec 14·2 min read

H02J3/388 FranklinWH Energy Storage Inc.

ROBUST AND CYBERSECURE COORDINATED UNINTENTIONAL ISLAND DETECTION FOR MICROGRIDS

Unintentional islanding (UI) of a circuit of distributed energy resources (DERs) may leave area electrical power systems (EPS), external to the DER circuit, energized. Thus, UI detection methods have …

DRIVE·Dec 7·1 min read

H02J3/388 Hitachi Energy USA Inc.

ISLANDING DETECTION METHOD AND APPARATUS

An islanding detection method includes: an alternating current frequency of an inverter is monitored. The alternating current frequency fluctuates within a preset range when in a normal mode. When an …

DRIVE·Nov 23·1 min read

H02J3/388 Huawei Digital Power Technologies Co., Ltd.

METHOD AND APPARATUS FOR DETECTING OF AN ISLANDING OF A DISTRIBUTED ELECTRICAL POWER SYSTEM

The invention relates to a method for detecting island formation of a distributed electrical power system (102), the distributed electrical power system (102) comprising at least one distributed elect…

DRIVE·Oct 11·2 min read

H02J3/388 ROLLS ROYCE SOLUTIONS GMBH [DE]

On-Grid/Off-Grid Scheduling Method and Apparatus, and Energy Storage Power Supply System

Disclosed are an on-grid/off-grid scheduling method and apparatus, and an energy storage power supply system. The method is applied to the system. The system includes an energy storage device; the ene…

DRIVE·Sep 7·2 min read

H02J3/388 Gree Electric Appliances, Inc. of Zhuhai

METHOD, APPARATUS, AND SYSTEM FOR MONITORING ISLANDING ELECTRICITY GENERATION UNIT

A method, an apparatus, and a system for monitoring an islanding electricity generation unit are provided. The method includes determining an islanding electricity generation unit in a renewable energ…

DRIVE·Jul 13·1 min read

H02J3/388 BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT CO., LTD.

SYSTEM OF CRITICAL DATACENTERS AND BEHIND-THE-METER FLEXIBLE DATACENTERS

Systems include one or more critical datacenter connected to behind-the-meter flexible datacenters. The critical datacenter is powered by grid power and not necessarily collocated with the flexboxes, …

DRIVE·Jun 8·1 min read

H02J3/388 LANCIUM LLC

METHOD FOR OPERATING A WIND FARM AND A WIND FARM

A method for operating a wind farm having a string (S-S) of wind turbines (-) which are electrically connectable with each other and a grid () via power connections (Cab-Cd) is disclosed. Each wind tu…

DRIVE·Jun 8·2 min read

H02J3/388 General Electric Renovables Espana, S.L.

3-PHASE PV INVERTER WITH 2-PHASE ISOLATED OPERATION IN THE EVENT OF A NETWORK FAULT

The disclosure relates to an inverter including a first bridge branch with a first phase output, a second bridge branch with a second phase output, a third bridge branch with a third phase output, whe…

DRIVE·Mar 9·2 min read

H02J3/388 SMA Solar Technology AG

METHOD AND APPARATUS OF DETECTING GRID ISLANDING

Embodiments of the present disclosure relate to method and apparatus for detecting grid islanding in a grid supporting voltage source converter. The method includes modulating an output voltage at an …

DRIVE·Jan 19·1 min read

H02J3/388 ABB Schweiz AG

Advanced Systems and Methods for Generating and Conserving Power

Various embodiments of the present invention include systems and methods for generating and conserving power for illuminating a space including obtaining energy producing equipment further including a…

DRIVE·Oct 20·1 min read

H02J3/388 Christopher Pawlik

SOLAR POWER GENERATION SYSTEM

A solar power generation system is provided for more efficiently and cost-effectively generating and delivering power. The solar power generation system includes a plurality of distributed power conve…

DRIVE·Jul 21·1 min read

H02J3/388 Southwire Company, LLC

Optimized Photovoltaic Conversion Configuration

Different systems to achieve solar power conversion are provided in at least three different general aspects, with circuitry that can be used to harvest maximum power from a solar source () or strings…

DRIVE·Jul 14·1 min read

H02J3/388 Ampt, LLC

SELF-SYNCHRONIZING DEVICES, SYSTEMS, AND METHODS

The present disclosure is directed to self-synchronizing devices that can connect and self-synchronizes voltage, frequency and phase of two or more power sources. The disclosed embodiments enable a mo…

DRIVE·Jun 30·1 min read

H02J3/388 Renew Power Systems Inc.

Method and Apparatus for Controlling Solar Power Systems

A system includes a plurality of power modules connected in series between two input terminals of an inverter, a plurality of local controllers coupled to their respective power modules, wherein a fir…

DRIVE·Jun 9·1 min read

H02J3/388 Huawei Digital Power Technologies Co., Ltd.

UTILIZATION OF DISTRIBUTED GENERATOR INVERTERS AS STATCOM

The invention provides a method and system for operating an inverter based distributed power generation source with energy storage system, as a Flexible AC Transmission System (FACTS) device—a STATCOM…

DRIVE·May 26·1 min read

H02J3/388 Rajiv Kumar VARMA

ANTI-ISLANDING PROTECTION AND NON-EXPORTING TARIFF SUPPORT

DRIVE·May 19·1 min read

H02J3/388 S&C Electric Company

DG INTENTIONAL ISLANDING USING PADMOUNT TRANSFORMER INTERRUPTERS

A system and method for allowing islanding in an underground power distribution network when power is lost to the network. The network includes transformers having source side and load side switching …

DRIVE·May 19·1 min read

H02J3/388 S&C Electric Company

SELECTIVE GROUNDING OF GRID PARALLEL INVERTER SYSTEMS

A method of operating a power generator having a first electrical output electrically connected to a utility grid and a second electrical output electrically connected to a load includes detecting if …

DRIVE·May 12·1 min read

H02J3/388 BLOOM ENERGY CORPORATION

CONTROL SYSTEM, POWER SYSTEM, CONTROL METHOD, AND PROGRAM

The power conversion system includes an inverter circuit. The inverter circuit performs a grid-connected operation and an independent operation. When performing the independent operation, the inverter…

DRIVE·Mar 24·1 min read

H02J3/388 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

GENERATION LOAD CONTROL

This invention relates to a device for controlling at least one of a plurality of electrical loads that are being supplied by at least one renewable energy generator and/or an electrical mains supply.…

DRIVE·Mar 24·1 min read

H02J3/388 GNG Electrical Pty Ltd

Coordinated Converter Reactively Altering Disabling Photovoltaic Electrical Energy Power System

Renewable electrical energy is provided with aspects and circuitry that can harvest maximum power from an alternative electrical energy source () such as a string of solar panels () for a power grid (…

DRIVE·Mar 24·2 min read

H02J3/388 AMPT, LLC

Methods and Systems for a Self-Powered Distributed Network

A method and system creating a distributed network suitable for transferring information between devices. In particular, the present disclosure relates to power generating server devices designed to a…

DRIVE·Mar 10·1 min read

H02J3/388 Infrared5, Inc.