#G01R31/40

Power System And Communication Method Thereof

An apparatus which includes a first power conversion device, a second power conversion device, a first communication line connecting the first power conversion device and the second power conversion d…

DRIVE·4d ago·1 min read

G01R31/40 LG Energy Solution, Ltd.

SYSTEMS AND METHODS FOR DETERMINING ELECTRICAL CHARACTERISTICS OF POWER SUPPLY CABLE/S AND TAKING ONE OR MORE ACTIONS BASED ON SAME

Systems and methods that may be implemented to determine electrical characteristic/s of one or more power supply cable/s that are coupled to supply power from a power supply to a battery-powered infor…

DRIVE·Jan 4·1 min read

G01R31/40 DELL PRODUCTS L.P.

A TESTING DEVICE FOR TESTING A WIRELESS POWER DEVICE, AND AN ASSOCIATED METHOD

A foreign object emulation device (60; 160; 260) for testing foreign object detection of a wireless power device (10; 20) is provided. The foreign object emulation device (60; 160; 260) is in operativ…

DRIVE·Nov 8·1 min read

G01R31/40 ELECTDIS AB [SE]

EARLY DETECTION OF POTENTIAL INDUCED DEGRADATION IN PHOTOVOLTAIC SYSTEMS

A photovoltaic ("PV") sensor for the early detection of potential induced degradation ("PID") comprising a housing; a power source located within the housing; an electrical connection presented by the…

DRIVE·Sep 20·1 min read

G01R31/40 UNIV OF CYPRUS [CY]

Inspection Device and Inspection Method Using Inspection Device

An inspection device includes: an inspection coil disposed between a first feeder line and a second feeder line; and a cover formed to cover a core. The cover includes: a coil cover portion covering t…

DRIVE·Sep 14·1 min read

G01R31/40 Daifuku Co., Ltd.

SYSTEM AND METHOD FOR INPUT POWER DETECTION OF TWO POWER SOURCES USING SINGLE MONITORING CIRCUIT

A voltage supply system that includes a first power supply branch and a second power supply branch. Both branches includes a voltage supply; a serially connected diode and switch connected between the…

DRIVE·Aug 10·1 min read

G01R31/40 Hamilton Sundstrand Corporation

SYSTEM, MASTER TEST DEVICE, A SLAVE TEST DEVICE AND METHOD FOR TESTING OF WIRELESS POWER TRANSFER EQUIPMENT HAVING A PLURALITY OF WIRELESS POWER TRANSMITTERS

A method () is disclosed for testing of wireless power transfer equipment () that has a plurality of wireless power transmitters (-) adapted for concurrent wireless power transfer to respective wirele…

DRIVE·May 4·2 min read

G01R31/40 ElectDis AB

TROUBLESHOOTING METHOD AND APPARATUS FOR POWER SUPPLY DEVICE

Embodiments of the present invention disclose a troubleshooting method and device for a power supply device. The method is applicable to an inverter power supply system in the power supply device. The…

DRIVE·Apr 26·2 min read

G01R31/40 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ABNORMALITY DETECTION DEVICE AND ABNORMALITY DETECTION METHOD THEREOF

Submitted is an abnormality detection device including a processing unit, and a communication unit that can communicate with a ground electric power supply device that transmits electric power to a ve…

DRIVE·Jan 5·1 min read

G01R31/40 TOYOTA JIDOSHA KABUSHIKI KAISHA

RELIABLE FAULT DETECTION AND FAULT LOCALIZATION IN A LOAD ZONE OF A DC SYSTEM

A load zone of a DC system includes a connection interface for supplying the load zone with electrical energy, an electronic switch arranged between the connection interface and a DC bus, and at least…

DRIVE·Jun 30·2 min read

G01R31/40 Siemens Aktiengesellschaft

SYSTEM, APPARATUS, AND METHOD FOR TESTING OF AN ELECTRICAL SYSTEM

An apparatus configured to test an electrical system including one or more power supplies, a load, and one or more protective-isolation devices disposed between the one or more power supplies and the …

DRIVE·May 26·2 min read

G01R31/40 OneStep Power Solutions Inc.

Distribution Power System Fault Control Apparatus and Method

A method includes detecting a fault in a grid coupled to a distribution power network, the distribution power network comprising a distribution feeder, a plurality of distributed energy resources (DER…

DRIVE·Mar 31·1 min read

G01R31/40 Hitachi Energy Switzerland AG

APPARATUS AND METHOD FOR DETERMINING SENSING ERROR OF LOW VOLTAGE DC-DC CONVERTER

An apparatus for determining a sensing error of a LDC, which controls and senses an output and an output cutoff of a first current inputted to a first load of a vehicle and an output and an output cut…

DRIVE·Mar 3·1 min read

G01R31/40 HYUNDAI MOTOR COMPANY

POWER SUPPLY COMBINATION HAVING HETEROGENEOUS POWER SUPPLIES

A power supply combination comprises two multi-voltage power sources having respective power rails delivering power at a first voltage and respective power rails delivering power at a second voltage. …

DRIVE·Dec 2·1 min read

G01R31/40 OVH

Test Board, Test System and Test Method for Charging Device

Embodiments of the present disclosure provide a test system, a test method, and a test board for a charging device. The test board includes: a connecting circuit, configured to be connected to a charg…

DRIVE·Oct 28·1 min read

G01R31/40 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

POWER ELECTRONIC INSTRUMENT FOR CONTINUOUSLY MONITORING STABILITY AND STABILIZING A DC MICROGRID

An apparatus monitoring system stability of a DC power system includes a switching power converter with a control loop. The converter is connected to a DC bus of the system. A monitoring loop injected…

DRIVE·Sep 23·2 min read

G01R31/40 Utah State University

A TESTING SYSTEM FOR USE IN TESTING OF WIRELESS POWER TRANSFER AND AN ASSOCIATED TESTING DEVICE AND METHOD

A testing system () for use in testing of wireless power transfer is disclosed. The testing system has at least one wireless power receiver circuit () for receiving inductive power from an external wi…

DRIVE·Jul 8·2 min read

G01R31/40 NOK9 IP AB

METHOD FOR CARRYING OUT A SELF-TEST OF AN ELECTRICAL CONVERTER CIRCUIT, AND CONVERTER CIRCUIT AND VEHICLE LUMINAIRE

A method carries out a self-test of an electrical converter circuit, by use of a control device, proceeding from a known operating point at which a predetermined electrical operating variable has a pr…

DRIVE·Jun 10·2 min read

G01R31/40 CONTINENTAL AUTOMOTIVE GMBH

POWER SYSTEM STATE ESTIMATION DEVICE AND POWER SYSTEM USING SAME

A power state of any point of a power system is estimated with high accuracy to appropriately perform monitoring of the state of the entire power system. A power system state estimation device is prov…

DRIVE·Aug 6·2 min read

G01R31/40 HITACHI LTD [JP]

State estimation for cooperative electrical grids

Aspects of state estimation for cooperative electrical grids are disclosed. State estimation of a local electrical grid can be based on a local grid model and local electrical grid information. The lo…

DRIVE·May 7·1 min read

G01R31/40 ALSTOM GRID INC [US]

Islanding detection in electricity distribution network

A device for detecting an islanding condition in an electricity distribution network, comprising means for receiving (442) a signal of the electricity distribution network, means for determining (412)…

DRIVE·Oct 2·1 min read

G01R31/40 ABB TECHNOLOGY AG [CH]

Improvement for islanding detection reliability in electricity distribution network

A device for detecting an islanding condition in an electricity distribution network. The device comprises means for concurrently monitoring an islanding condition and a network event condition in the…

DRIVE·Oct 2·1 min read

G01R31/40 ABB TECHNOLOGY AG [CH]

Electrical power supply system and diagnostic method

Electrical power supply system for actuators (2.1-2.n) in drive units, especially electromagnetically activated actuators of a gear unit with a circuit arrangement. The power resistance of the individ…

DRIVE·Jan 2·1 min read

G01R31/40 VOITH TURBO KG [DE]