Wind turbine power production using positive and negative sequence current component parameters generated based on operational mode

R Teodorescu, P Rodriguez, AL Alloza… - US Patent …, 2016 - Google Patents
A wind turbine includes a grid side converter coupled to a grid via a power line. The method
includes determining a first active power reference and a first reactive power reference …

Real-time small-signal stability assessment of power electronic-based components in contemporary power systems

M Salmani, CS Edrington - US Patent 9,316,701, 2016 - Google Patents
A novel method for real-time small-signal stability analysis for power electronic-based
components in a power system. The method is based on impedance measurement …

Safe Service Mode

CT Barnes - US Patent App. 14/561,629, 2015 - Google Patents
1028 If using a delay opening option, then clean out the relevant memory so that upon Some
future closing, the network protector relay seeks X consecutive Sets of data measurements …

Systems and methods for balancing unbalanced power cables

ML Crane, S Kremeier, R McCoy - US Patent 11,128,278, 2021 - Google Patents
Abstract Systems and methods may include balancing an unbalanced power cable using a
transformer that has one or more phases by selecting a voltage on a tap handle; disposing a …

Electrical energy transmission system

A Bronsthein - US Patent 9,906,032, 2018 - Google Patents
An electrical energy transmission system has a three-phase electric current power source
generating a three-phase current including three currents of different phases, a three-phase …

Inverter with identification of neutral connection

PIC Vasquez, A Knobloch - US Patent 10,333,426, 2019 - Google Patents
A method and system for operating an inverter, which has a terminal with four conductor
connectors for connection of the inverter to three outer conductors and to a neutral conductor …

Three-phase AC load unbalance detection and balancing method and circuit

X Zhu, SK Baek, RG Twiss - US Patent 11,682,904, 2023 - Google Patents
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL
TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL …

Board charger controller for vehicle, system including the same, and method thereof

SK Lee, JG Lim, SM Chung - US Patent App. 17/034,060, 2021 - Google Patents
An OBC controller for vehicle, a system including the same, and a method thereof are
provided. The OBC controller includes a measurement device that measures a voltage of …

In and relating to load balancing

MR Wyma - US Patent 10,763,672, 2020 - Google Patents
A load balancing apparatus for balancing the current supplied on each phase of a multiple
phase supply, Each supply phase feeds an AC load, as well as an AC-DC converter. The …

System and method for controlling a voltage unbalance in a low-voltage direct current distribution system

C hwan Kim, GH Gwon, TH Jung, HAN Joon… - US Patent …, 2018 - Google Patents
A system for controlling voltage unbalance in a direct current distribution system includes a
measurement processor configured to measure a positive load current, and a negative load …