#H02H3/087

PROTECTION APPARATUS AND PROTECTION METHOD FOR PHOTOVOLTAIC POWER GENERATION SYSTEM AND PHOTOVOLTAIC POWER GENERATION SYSTEM

This application discloses a protection apparatus and a protection method for a photovoltaic power generation system and a photovoltaic power generation system, and relates to the field of photovoltai…

DRIVE·May 6·2 min read

H02H3/087 HUAWEI DIGITAL POWER TECH CO LTD [CN]

ARRANGEMENT, CIRCUIT BREAKER AND PRECHARGING DEVICE FOR A DC POWER NETWORK

An arrangement (1a..1l) with a circuit breaker (20) and a precharging device (21) is disclosed, where two series capacitors (C, C) are connected to a direct current power network (DC) and where the ar…

DRIVE·Jan 28·1 min read

H02H3/087 EATON INTELLIGENT POWER LTD [IE]

PHOTOVOLTAIC POWER GENERATION SYSTEM, PHOTOVOLTAIC INVERTER AND DIRECT-CURRENT COMBINER BOX

This application discloses a photovoltaic power generation system, a photovoltaic inverter, and a direct current combiner box, and relates to the field of photovoltaic power generation technologies. T…

DRIVE·Oct 8·2 min read

H02H3/087 HUAWEI DIGITAL POWER TECH CO LTD [CN]

SYSTEM AND METHOD FOR PROTECTION IN POWER INSTALLATIONS

An apparatus and method for protection in power installations are disclosed. The apparatus includes a power converter (505,605) configured to convert input power to direct-current output power on a po…

DRIVE·May 14·1 min read

H02H3/087 SOLAREDGE TECHNOLOGIES LTD [IL]

PROTECTION DEVICE AND PROTECTION METHOD FOR PHOTOVOLTAIC POWER GENERATION SYSTEM, AND PHOTOVOLTAIC POWER GENERATION SYSTEM

DRIVE·May 1·2 min read

H02H3/087 HUAWEI DIGITAL POWER TECH CO LTD [CN]

AN APPARATUS AND METHOD FOR USE IN A POWER DELIVERY SYSTEM

An apparatus for use in a power delivery system, the apparatus comprising: a DC circuit breaker having first and second terminals and configured to automatically switch from a closed state to an open …

DRIVE·Mar 28·2 min read

H02H3/087 HAWKER SIDDELEY SWITCHGEAR LIMITED

DIRECT CURRENT BUS CONTROL SCHEME

Examples described herein provide an electric power distribution system (EPDS) that includes a transformer rectifier unit (TRU) that receives alternating current (AC) electric power from an AC electri…

DRIVE·Nov 23·1 min read

H02H3/087 Hamilton Sundstrand Corporation

DIRECT CURRENT POWER SUPPLY SYSTEM, PHOTOVOLTAIC SYSTEM AND ENERGY STORAGE SYSTEM

Embodiments of this application disclose a direct current power supply system and a related system. The direct current power supply system includes N power supply devices, N triple-pole direct current…

DRIVE·Oct 4·2 min read

H02H3/087 HUAWEI DIGITAL POWER TECH CO LTD [CN]

METHOD AND DEVICE FOR CONNECTING A CAPACITIVE LOAD ASSEMBLY TO A DC GRID

A method is for connecting a capacitive load assembly to a DC grid. The load assembly is connectable to a supply potential of the DC grid by a control unit via a controllable switch element. The contr…

DRIVE·Jul 28·2 min read

H02H3/087 Siemens Aktiengesellschaft

OVERCURRENT DETECTION CIRCUIT, CORRESPONDING SYSTEM AND METHOD

A circuit includes comparator circuitry to sense a current through a load and compare the intensity of the current with a comparison threshold which can be set to a first, lower threshold value and a …

DRIVE·Jun 16·1 min read

H02H3/087 STMicroelectronics S.r.l.

POWER SUPPLY SYSTEM, POWER SUPPLY SYSTEM CONTROL METHOD, AND CIRCUIT BOARD

A power supply system includes a first circuit board mounting a power source circuit and an electronic fuse and a second circuit board mounting a power consumption circuit and a switch. When the elect…

DRIVE·Sep 16·1 min read

H02H3/087 NEC Platforms, Ltd.

PROTECTION SYSTEM FOR DC POWER TRANSMISSION SYSTEM, AC/DC CONVERTER, AND DC POWER TRANSMISSION SYSTEM BREAKING METHOD

An AC circuit breaker 3 is provided between an AC system 1 and an AC-DC converter 5, and a DC circuit breaker 7 is provided between a DC line 6 and the AC-DC converter 5. A bypass switch capable of sh…

DRIVE·Dec 21·1 min read

H02H3/087 MITSUBISHI ELECTRIC CORP [JP]

Circuit interruption device

A switching element (26) comprising: an extinguishing branch (28); a switching branch (30) including at least one semiconductor switch (34) switchable to selectively allow current to flow in the switc…

DRIVE·Feb 26·2 min read

H02H3/087 ALSTOM TECHNOLOGY LTD [CH]

GROUNDING DEVICE

There is provided a grounding apparatus capable of instantaneously opening the current path when a complete grounding fault occurs between the ground point and the ground line, which is provided betwe…

DRIVE·Jun 26·2 min read

H02H3/087 TOSHIBA MITSUBISHI ELEC INC [JP]

CONTROL METHOD FOR LOW VOLTAGE RIDE THROUGH

A control method for low voltage ride through comprises the following steps: 1)A control circuit (9) monitors a DC bus voltage of a set of frequency converters (3, 4) connected between a wind generato…

DRIVE·Nov 21·2 min read

H02H3/087 SINOVEL WIND GROUP CO LTD [CN]

APPARATUS FOR PROTECTING DIRECT CURRENT BRANCH CIRCUIT

A DC distribution board comprises, therein as internal devices, a circuit breaker 5 provided along each of branch lines branched from main wires of a direct-current power supply, and a controller 6 fo…

DRIVE·May 2·1 min read

H02H3/087 PANASONIC ELEC WORKS CO LTD [JP]