#H02J3/1878

POWER CONTROL SYSTEM FOR POWER TRANSMISSION EQUIPMENT USING SOLID STATE SWITCHING DEVICES

A system for providing power control for power transmission equipment may include multiple solid state on-load tap changers (SSOLTCs) electrically coupled to a phase of the power transmission equipmen…

DRIVE·Mar 19·2 min read

H02J3/1878 Chevron U.S.A. Inc.

FAULT RECOVERY CONTROLLER FOR INTEGRATED SOLAR PV SYSTEM

A reactive power support system for a radial distribution network includes multiple loads, a radial distribution transmission line (RDTL) connected at a first end to a grid transformer, a point of com…

DRIVE·Mar 20·2 min read

H02J3/1878 KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS

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.

A METHOD FOR CONTROLLING REACTIVE POWER EXCHANGE BETWEEN A POWER GRID AND A WIND POWER PLANT

The invention relates to wind turbines, particularly to controlling reactive power exchange between a power grid and a wind power plant. The wind power plant has a plurality of wind turbine generators…

DRIVE·Apr 11·1 min read

H02J3/1878 VESTAS WIND SYSTEMS A/S

METHOD OF ACTIVE AND REACTIVE POWER CONTROL IN ABC FRAME OF A GRID-TIED CONVERTER

A method for controlling active and reactive powers in grid-tied converters having a grid side and a battery side, in which said grid side supplies an alternative current to said converter whereas the…

DRIVE·Oct 5·1 min read

H02J3/1878 WATT & WELL

VOLTAGE REGULATION DEVICE THAT INCLUDES A CONVERTER FOR HARMONIC CURRENT COMPENSATION AND REACTIVE POWER MANAGEMENT

A voltage regulation device includes: an input node configured to receive electrical power from an electrical power source; a primary winding electrically connected to the input node; an output node c…

DRIVE·Feb 3·2 min read

H02J3/1878 Eaton Intelligent Power Limited

METHOD AND APPARATUS FOR MINIMIZING CIRCULATING CURRENTS IN MICROGRIDS

A method and apparatus for minimizing circulating currents on a power distribution line. In one embodiment, the method comprises dynamically adjusting a turns ratio of a tap changing transformer, the …

DRIVE·May 13·1 min read

H02J3/1878 Enphase Energy, Inc.

An electrical system with an arrangement for filtering rectifier-generated 5th and 7th order current harmonics

This invention relates to a multiple phase electrical system (310), comprising: a first and a second electrical lane (312,314) each lane having a generator (316a,316b) and a load (324) connected by a …

DRIVE·Aug 13·1 min read

H02J3/1878 ROLLS ROYCE PLC [GB]

Wind farm and method for operating a wind farm

The method involves transporting electrical energy produced in a windpark to a transmission station (12) by a windpark internal network (11). The electrical energy is transformed to a voltage before p…

DRIVE·Jun 15·1 min read

H02J3/1878 REPOWER SYSTEMS AG [DE]