#G01R31/086

A PROTECTION METHOD FOR AN ELECTRICAL DISTRIBUTION SYSTEM

A method and a controller for protecting an electrical distribution system are disclosed. The electrical distribution system comprises an electrical grid being electrically coupled to an electrical br…

DRIVE·Apr 23·1 min read

G01R31/086 Hitachi Energy Ltd

SINGLE PHASE FAULT ISOLATION AND RESTORATION WITH LOOP AVOIDANCE

Techniques for controlling a power distribution network are provided. An electronic processor receives, a fault indication associated with a fault from a first isolation device of a plurality of isola…

DRIVE·Apr 8·2 min read

G01R31/086 G & W ELECTRIC [US]

SINGLE PHASE FAULT ISOLATION AND RESTORATION WITH LOOP AVOIDANCE FOR MULTIPLE TIE-IN DEVICES

A method for controlling a power distribution network includes receiving, via an electronic processor, a fault indication associated with a fault from a first isolation device of a plurality of isolat…

DRIVE·Apr 1·2 min read

G01R31/086 G & W ELECTRIC [US]

METHOD AND SYSTEM FOR ESTIMATING VOLTAGE SUPPORT STRENGTH OF NEW ENERGY GRID-CONNECTED SYSTEM, AND STORAGE MEDIUM AND ELECTRONIC DEVICE

A method for estimating a voltage support strength of a renewable energy grid-connected power system. A first short-circuit ratio index of a renewable energy grid-connected power system is determined …

DRIVE·Feb 4·2 min read

G01R31/086 CHINA ELECTRIC POWER RES INST [CN]

POWER DISTRIBUTION SYSTEM FOR DETECTING AND REPAIRING ALL ELECTRICAL FAULTS, AND CONSTRUCTION METHOD THEREFOR

Disclosed is a power distribution system for detecting and repairing all electrical faults, which performs at least one of immediate alarming, breaking, repairing, notifying, monitoring, and controlli…

DRIVE·Feb 26·1 min read

G01R31/086 ITE CO LTD [KR]

METHOD FOR DETERMINING AN OPTIMAL PLACEMENT OF MEASUREMENT UNITS FOR ESTIMATING THE STATE OF A PHYSICAL POWER DISTRIBUTION GRID

The invention relates to a method for determining an optimal placement of measurement units for estimating the state of a physical power distribution grid. The method comprises a step of searching for…

DRIVE·Aug 7·1 min read

G01R31/086 KRAKEN TECH LIMITED [GB]

SYSTEMS AND METHODS FOR MANAGING POWER QUALITY EVENTS IN AN ELECTRICAL SYSTEM

The invention relates to a method for managing power quality events in an electrical system, comprising:- processing electrical measurement data from or derived from energy-related signals captured by…

DRIVE·Jun 12·2 min read

G01R31/086 SCHNEIDER ELECTRIC USA INC [US]

METHODS AND SYSTEMS FOR DETECTION AND NOTIFICATION OF POWER OUTAGES AND POWER QUALITY

Described herein are methods and systems for estimating an originating location of a power quality event in an electrical grid. Each of a plurality of sensor devices connected to the electrical grid d…

DRIVE·May 25·2 min read

G01R31/086 Whisker Labs, Inc.

METHOD FOR INTELLIGENT FAULT DETECTION AND LOCATION OF POWER DISTRIBUTION NETWORK

A method for intelligent fault detection and location of a power distribution network is provided, which includes: constructing a network topology of the power distribution network, updating the netwo…

DRIVE·Mar 16·1 min read

G01R31/086 Hunan University of Science and Technology

SINGLE PHASE FAULT ISOLATION AND RESTORATION FOR LOSS OF VOLTAGE FAULT IN POWER DISTRIBUTION NETWORK

A system for controlling a power distribution network providing power using a plurality of phases comprises an electronic processor and memory storing instructions that, when executed by the electroni…

DRIVE·Jun 22·2 min read

G01R31/086 G & W ELECTRIC [US]

METHOD FOR DC ISLANDING DETECTION BASED ON POSITIVE FEEDBACK OF BUS VOLTAGE AT SPECIFIC FREQUENCY

A method for a direct current (DC) islanding detection based on positive feedback of a bus voltage at a specific frequency, essentially including three steps: extraction of a specific frequency compon…

DRIVE·Jan 13·2 min read

G01R31/086 Zhejiang University