Patents by Inventor Bruno Luscan
Bruno Luscan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220360089Abstract: A method for controlling an electrical transmission network including a plurality of DC high-voltage lines and at least three AC/DC converters identified by a respective index i. For each of the converters having index i, the method includes recovering the setpoint active power value Pdci applied thereto, and recovering instantaneous voltage value Vi and voltage angle value ?i of the buses having index i and modifying the setpoint active power Pdci of each of the converters having index i by a value including a term ?Pdcsi as a function of a sum of deviations of voltage angles multiplied by contribution adjustment parameters.Type: ApplicationFiled: June 25, 2020Publication date: November 10, 2022Inventors: Juan Carlos Gonzales, Valentin Costan, Gilney Damm, Abdelkrim Benchaib, Françoise Lamnabhi-Lagarrigue, Bruno Luscan
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Publication number: 20220352719Abstract: A method for controlling an electrical transmission network including a plurality of DC high-voltage lines and at least three AC/DC converters which are identified by a respective index i and are interconnected by the DC high-voltage lines. Each of the AC/DC converts are connected to an AC voltage bus identified by a respective index i as well as to one of the DC high-voltage lines.Type: ApplicationFiled: June 25, 2020Publication date: November 3, 2022Inventors: Juan Carlos Gonzales, Valentin Costan, Gilney Damm, Abdelkrim Benchaib, Françoise Lamnabhi-Lagarrigue, Bruno Luscan
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Patent number: 11476661Abstract: Disclosed is a device for controlling a terminal connected in a multi-terminal high-voltage direct current transmission facility, the terminal being able to provide or draw power on the DC part of the facility comprised between an upper power limit and a lower power limit, the device further comprising at least one regulation circuit configured to vary the power provided or drawn by the terminal on the DC part of the facility, as a function of a voltage variation on the DC part of the facility, the device further comprising a limitation circuit configured to limit the variation of the power provided or drawn by the terminal, for a given voltage variation, when the power difference between the power provided or drawn by said terminal and the upper power limit or the lower power limit becomes smaller than a determined value.Type: GrantFiled: November 16, 2018Date of Patent: October 18, 2022Assignees: SUPERGRID INSTITUTE, CENTRALESUPELECInventors: Kosei Shinoda, Jing Dai, Abdelkrim Benchaib, Xavier Guillaud, Bruno Luscan
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Patent number: 11404878Abstract: The invention relates to a method for controlling an electrical transmission link (3) between first and second AC voltage buses (11, 21) comprising a high-voltage DC line (320), first and second AC/DC converters (321, 322) connected to the high-voltage DC line (320), comprising: retrieving a setpoint active power value (Pdc0) applied to a converter (321, 322); retrieving the instantaneous values V1 and V2 of the voltages on the first and second buses; wherein the setpoint active power of the first or of the second converter is modified by a value including a term ?Pdc, so as to impose new dynamics on the first and second areas, where: ?Pdc=?Pdcs+?Pdca.Type: GrantFiled: March 6, 2019Date of Patent: August 2, 2022Assignees: SUPERGRID INSTITUTE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Juan Carlos Gonzalez, Valentin Costan, Gilney Damm, Abdelkrim Benchaib, Françoise Lamnabhi-Lagarrigue, Bruno Luscan
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Patent number: 10951034Abstract: A method of protecting a high-voltage network comprising the steps for maintaining first controlled switches closed and second controlled switches open; measuring voltage and current on high-voltage interfaces; communicating the direction of the current to the other end of a high-voltage line; for each node: identifying a fault; verifying that the current is lower than the current interruption capability of the high-voltage interface switch and opening this switch.Type: GrantFiled: September 11, 2017Date of Patent: March 16, 2021Assignees: Supergrid Institute, Institut Polytechnique De Grenoble, Universite Grenoble AlpesInventors: William Leon Garcia, Alberto Bertinato, Bertrand Raison, Pascal Tixador, Bruno Luscan
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Publication number: 20210028627Abstract: The invention relates to a method for controlling an electrical transmission link (3) between first and second AC voltage buses (11, 21) comprising a high-voltage DC line (320), first and second AC/DC converters (321, 322) connected to the high-voltage DC line (320), comprising: retrieving a setpoint active power value (Pdc0) applied to a converter (321, 322); retrieving the instantaneous values V1 and V2 of the voltages on the first and second buses; wherein the setpoint active power of the first or of the second converter is modified by a value including a term ?Pdc, so as to impose new dynamics on the first and second areas, where: ?Pdc=?Pdcs+?Pdca.Type: ApplicationFiled: March 6, 2019Publication date: January 28, 2021Inventors: Juan Carlos Gonzalez, Valentin Costan, Gilney Damm, Abdelkrim Benchaib, Françoise Lamnabhi-Lagarrigue, Bruno Luscan
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Publication number: 20200389014Abstract: Disclosed is a device for controlling a terminal connected in a multi-terminal high-voltage direct current transmission facility, the terminal being able to provide or draw power on the DC part of the facility comprised between an upper power limit and a lower power limit, the device further comprising at least one regulation circuit configured to vary the power provided or drawn by the terminal on the DC part of the facility, as a function of a voltage variation on the DC part of the facility, the device further comprising a limitation circuit configured to limit the variation of the power provided or drawn by the terminal, for a given voltage variation, when the power difference between the power provided or drawn by said terminal and the upper power limit or the lower power limit becomes smaller than a determined value.Type: ApplicationFiled: November 16, 2018Publication date: December 10, 2020Applicants: SUPERGRID INSTITUTE, CENTRALESUPELECInventors: Kosei SHINODA, Jing DAI, Abdelkrim BENCHAIB, Xavier GUILLAUD, Bruno LUSCAN
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Publication number: 20200136389Abstract: The invention relates to a method of protecting a network comprising: electrical lines (120, 130, 230); three interconnection nodes (10, 20, 30) with: a high-voltage interface with controlled switches; a local network interface; local networks for each respective node (10, 20, 30), comprising: an MMC converter (16, 26, 36); a protection circuit with, in parallel, a first controlled switch (14) and a first limiter (15), a second controlled switch (12) and a second limiter (13). The method comprising the steps for: maintaining the said first switches (14) closed and the said second switches (12) open; measuring voltage and current on the high-voltage interfaces; communicating the direction of the current to the other end of a high-voltage line; for each node: identifying a fault; verifying that the current is lower than the current interruption capability of the high-voltage interface switch and opening this switch.Type: ApplicationFiled: September 11, 2017Publication date: April 30, 2020Applicants: Supergrid Institute, Institut Polytechnique de Grenoble, Université Grenoble AlpesInventors: William Leon GARCIA, Alberto BERTINATO, Bertrand RAISON, Pascal TIXADOR, Bruno LUSCAN
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Patent number: 10516261Abstract: An item of interconnection equipment for a high-voltage DC grid includes first and second terminals for connection to first and second lines of a high-voltage DC grid, a third terminal for connection to a local station or a line of the high-voltage grid, a node connected to the first to third terminals, a first superconductor current limiter and a first controlled switch connected in series between the first terminal and the node, a second superconductor current limiter and a second controlled switch connected in series between the second terminal and the node, a third superconductor current limiter and a third controlled switch connected in series between the third terminal and the node, and a current injector configured to inject an electrical current into the node.Type: GrantFiled: October 14, 2016Date of Patent: December 24, 2019Assignees: SUPERGRID INSTITUTE, INSTITUT POLYTECHNIQUE DE GRENOBLE, UNIVERSITE GRENOBLE ALPESInventors: William Leon Garcia, Alberto Bertinato, Pascal Tixador, Bertrand Raison, Bruno Luscan
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Patent number: 10468873Abstract: A current-breaking device for high-voltage direct current includes a main conduction-line and a secondary conduction-line connected in parallel between its terminals. The main conduction-line comprises a first controlled-switch and a circuit connected in series. The circuit comprises a first current-limiter and a first capacitor connected in parallel. The secondary conduction-line comprises a second controlled-switch. These conduction lines cooperate to form an oscillating circuit that oscillates with an amplitude that is at least equal to limiting current passing through the current limiter.Type: GrantFiled: December 2, 2015Date of Patent: November 5, 2019Assignee: SUPERGRID INSTITUTEInventors: Bruno Luscan, Alberto Bertinato, Christophe Creusot
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Publication number: 20190074685Abstract: An item of interconnection equipment for a high-voltage DC grid includes first and second terminals for connection to first and second lines of a high-voltage DC grid, a third terminal for connection to a local station or a line of the high-voltage grid, a node connected to the first to third terminals, a first superconductor current limiter and a first controlled switch connected in series between the first terminal and the node, a second superconductor current limiter and a second controlled switch connected in series between the second terminal and the node, a third superconductor current limiter and a third controlled switch connected in series between the third terminal and the node, and a current injector configured to inject an electrical current into the node.Type: ApplicationFiled: October 14, 2016Publication date: March 7, 2019Inventors: William Leon Garcia, Alberto Bertinato, Pascal Tixador, Bertrand Raison, Bruno Luscan
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Publication number: 20170365998Abstract: A current-breaking device for high-voltage direct current includes a main conduction-line and a secondary conduction-line connected in parallel between its terminals. The main conduction-line comprises a first controlled-switch and a circuit connected in series. The circuit comprises a first current-limiter and a first capacitor connected in parallel. The secondary conduction-line comprises a second controlled-switch. These conduction lines cooperate to form an oscillating circuit that oscillates with an amplitude that is at least equal to limiting current passing through the current limiter.Type: ApplicationFiled: December 2, 2015Publication date: December 21, 2017Inventors: Bruno Luscan, Alberto Bertinato, Christophe Creusot
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Patent number: 6472628Abstract: A circuit-breaker including a first tube, and a second tube coaxial to the first tube, the first and second tubes being connected together via a piston provided with perforations and equipped with a valve member, the first tube having an end connecting to said piston, a moving arcing contact support being fixed rigidly to said piston on the other side from the first tube, wherein, with said piston having a bore of diameter D, said piston is provided with a groove, that end of said first tube which is connected to said piston being provided with n gaps allowing n claws to project, the end of at least one of the claws being provided with a rim that is received in said groove in said piston, said piston being provided with one or more passageways angularly in register with each claw provided with a rim, and making it possible for the rim(s) to be inserted axially as far as said groove, and then for the tube to be turned to cause the rim to penetrate into the groove portions that remain, and wherein said arcing cType: GrantFiled: May 2, 2001Date of Patent: October 29, 2002Assignee: AlstomInventors: Michel Nauche, Bruno Luscan
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Patent number: 6414257Abstract: The single-phase circuit-breaker comprises at least one interrupting chamber formed by an insulating tube filled with an insulation gas, and it comprises at least one current transformer whose secondary is disposed in air around the primary at one end of the tube. The primary is at the high voltage electrical potential of the phase and is constituted by an annular metal support. The secondary is subjected to a high voltage electrical potential that is practically equal to the potential of the primary. The current transformer is thus integrated in the circuit-breaker, and the measurement electronics associated with the secondary can be located in air close to the secondary.Type: GrantFiled: September 14, 2001Date of Patent: July 2, 2002Assignee: AlstomInventors: Bruno Luscan, Alain Libaud, Olivier Grejon
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Publication number: 20020036185Abstract: The single-phase circuit-breaker comprises at least one interrupting chamber formed by an insulating tube filled with an insulation gas, and it comprises at least one current transformer whose secondary is disposed in air around the primary at one end of the tube. The primary is at the high voltage electrical potential of the phase and is constituted by an annular metal support. The secondary is subjected to a high voltage electrical potential that is practically equal to the potential of the primary. The current transformer is thus integrated in the circuit-breaker, and the measurement electronics associated with the secondary can be located in air close to the secondary.Type: ApplicationFiled: September 14, 2001Publication date: March 28, 2002Applicant: ALSTOMInventors: Bruno Luscan, Alain Libaud, Olivier Grejon
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Publication number: 20020000425Abstract: A circuit-breaker including a first tube, and a second tube coaxial to the first tube, the first and second tubes being connected together via a piston provided with perforations and equipped with a valve member, the first tube having an end connecting to said piston, a moving arcing contact support being fixed rigidly to said piston on the other side from the first tube, wherein, with said piston having a bore of diameter D, said piston is provided with a groove, that end of said first tube which is connected to said piston being provided with n gaps allowing n claws to project, the end of at least one of the claws being provided with a rim that is received in said groove in said piston, said piston being provided with one or more passageways angularly in register with each claw provided with a rim, and making it possible for the rim(s) to be inserted axially as far as said groove, and then for the tube to be turned to cause the rim to penetrate into the groove portions that remain, and wherein said arcing cType: ApplicationFiled: May 2, 2001Publication date: January 3, 2002Inventors: Michel Nauche, Bruno Luscan