Patents by Inventor Julián Balda Belzunegui
Julián Balda Belzunegui 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: 20240305220Abstract: Control method for an electronic DC/AC converter (1), wherein for at least one phase: calculating a first reference voltage (er,v, es,v, et,v) from predefined voltage setpoints (22) and a phase voltage (Vcr, Vcs, Vct); calculating a second reference voltage (er,ipos, es,ipos, et,ipos) based on a difference between a predefined upper current limit (lmax) and the current (ir, is, it) of said at least one phase, and on the phase voltage; calculating a third reference voltage (er,ineg, es,ineg, et,ineg) based on a difference between a predefined lower current limit (?lmax) and the current of said at least one phase, and on the phase voltage; comparing the first reference voltage (er,v, es,v, et,v) with the second reference voltage (er,ipos, es,ipos, et,ipos) selecting the lowest voltage of the two; comparing the selected reference voltage with the third reference voltage (er,ineg, es,ineg, et,ineg) selecting as the control voltage (er,s, es,s, et,s) the highest of the two; and applying the selected control voltagType: ApplicationFiled: June 22, 2021Publication date: September 12, 2024Applicant: INGETEAM POWER TEHNOLOGY, S.A.Inventors: Roberto GONZÁLEZ SENOSIÁIN, Julián BALDA BELZUNEGUI, Manuel NAVARRETE KHIBIT, Andoni URTASUN ERBURU, Ioseba ERDOCIA ZABALA, Luis MARROYO PALOMO
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Patent number: 11444553Abstract: The invention relates to a conversion system (100) with a DC side and an AC side, and to an associated control method. The system (100) comprises a primary conversion block (1), a secondary conversion block (2) and a transformer block (3) with at least one primary winding (3.1) connected to the primary conversion block (1) and a secondary winding (3.2R, 3.2S, 3.2T) for each phase (R, S, T) which are connected to the secondary conversion block (2). Each conversion block (1, 2) comprises a plurality of controllable switches, and the system (100) comprises a controller (4) communicated with said switches and configured for causing the opening and closing of said switches in a controlled and coordinated manner.Type: GrantFiled: February 12, 2019Date of Patent: September 13, 2022Assignee: INGETEAM POWER TECHNOLOGY, SAInventors: Julian Balda Belzunegui, Roberto Gonzalez Senosiain
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Patent number: 10998733Abstract: Power conversion systems and an associated control methods are disclosed. The system includes a plurality of converters connected in parallel on an AC side, each converter includes an AC side for being coupled to a power grid, a DC side for being coupled to a DC source, and a first terminal and a second terminal on said DC side. The outputs on the AC side of all the converters are connected to a common output point, the first terminals of the different converters of the system being grounded, and the second terminals of said converters being independent to one another. Each source is therefore adapted and configured to work independently of the rest of the sources.Type: GrantFiled: July 4, 2017Date of Patent: May 4, 2021Assignee: INGETEAM POWER TECHNOLOGY, S.A.Inventors: Juan Luis Agorreta Malumbres, Roberto Gonzalez Senosiain, Julian Balda Belzunegui, Alvaro Miranda Ordobas
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Publication number: 20210036626Abstract: The invention relates to a conversion system (100) with a DC side and an AC side, and to an associated control method. The system (100) comprises a primary conversion block (1), a secondary conversion block (2) and a transformer block (3) with at least one primary winding (3.1) connected to the primary conversion block (1) and a secondary winding (3.2R, 3.2S, 3.2T) for each phase (R, S, T) which are connected to the secondary conversion block (2). Each conversion block (1, 2) comprises a plurality of controllable switches, and the system (100) comprises a controller (4) communicated with said switches and configured for causing the opening and closing of said switches in a controlled and coordinated manner.Type: ApplicationFiled: February 12, 2019Publication date: February 4, 2021Applicant: INGETEAM POWER TECHNOLOGY, S.A.Inventors: Julian BALDA BELZUNEGUI, Roberto GONZALEZ SENOSIAIN
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Publication number: 20200161869Abstract: Power conversion systems and an associated control methods are disclosed. The system includes a plurality of converters connected in parallel on an AC side, each converter includes an AC side for being coupled to a power grid, a DC side for being coupled to a DC source, and a first terminal and a second terminal on said DC side. The outputs on the AC side of all the converters are connected to a common output point, the first terminals of the different converters of the system being grounded, and the second terminals of said converters being independent to one another. Each source is therefore adapted and configured to work independently of the rest of the sources.Type: ApplicationFiled: July 4, 2017Publication date: May 21, 2020Applicant: INGETEAM POWER TECHNOLOGY, S.A.Inventors: Juan Luis AGORRETA MALUMBRES, Roberto GONZALEZ SENOSIAIN, Julian BALDA BELZUNEGUI, Alvaro MIRANDA ORDOBAS
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Patent number: 10256634Abstract: The object of the invention is to provide a power supply system and method for the various elements forming DC/AC electronic power converters that assures the operation of the converters during normal operating conditions and anomalous operating conditions, being specially designed for photovoltaic systems connected to the power grid and capable of providing direct current and alternating current voltages at the output thereof from at least one DC power source (1) and at least one AC power source (2), which basically comprises an output for DC loads (6) connected to the output of a DC/DC converter (3) the input of which is connected to the DC power source (1), an AC output for critical loads (7) connected to a first selector (5) configured for alternating between a first position where said AC output for critical loads (7) is connected to the output of a first DC/AC converter (4) the input of which is connected to the DC power source (1), and a second position where said AC output for critical loads (7) is coType: GrantFiled: May 17, 2013Date of Patent: April 9, 2019Assignee: INGETEAM POWER TECHNOLOGY, S.A.Inventors: Julián Balda Belzunegui, Roberto González Senosiáin, Luis Pérez Nicuesa
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Publication number: 20170264212Abstract: Verifying system and method for verifying the disconnecting means of a DC/AC converter which are connected in series through a midpoint in each phase between the converter and a power grid. The system comprises voltage detectors and a control unit in communication with said detectors and configured for determining the status of the disconnecting means depending on said voltages. The detectors comprise a detector associated with each phase for measuring the voltages between the corresponding midpoint and the neutral of the power grid, and an additional detector for measuring the voltage between said neutral and a reference point of the converter.Type: ApplicationFiled: July 29, 2014Publication date: September 14, 2017Applicant: INGETEAM POWER TECHNOLOGY, S.A.Inventors: Luis MUGUERZA OLCOZ, Julian BALDA BELZUNEGUI, Mikel BORREGA AYALA, Roberto GONZALEZ SENOSIAIN
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Patent number: 9608620Abstract: The present invention relates to a control system and control method for controlling a switching device (1) integrated in an electronic converter, the object of which is to extend the working voltage range of the switching devices and thus increase the power of the electronic DC/AC converter which prepares the energy produced by a energy generating system and injects it into the electrical grid. It basically comprises a voltage source (3), a capacitance (7), a first gate resistor (21) and a second gate resistor (22), a first circuit formed by a series resistor (6) with a first diode (5), a second circuit formed by a second diode (4) and a connecting element (8) controlled by a control unit (12) that controls the opening and closing thereof. Another object of the present invention is a switching cell for an electronic converter comprising said control system.Type: GrantFiled: December 3, 2013Date of Patent: March 28, 2017Assignee: INGETEAM POWER TECHNOLOGY, S.A.Inventors: Roberto Gonzalez Senosiain, Julian Balda Belzunegui, Luis Perez Nicuesa
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Patent number: 9548610Abstract: A control method for multi-converter systems wherein all DC/AC converters (1.1-1.n) are connected to a single transformer (2) via a single primary winding. The method of the present invention stands out mainly because it controls the common-mode voltage generated by the different DC/AC converters (1.1-1.n) so that said voltage falls mainly on the transformer (2).Type: GrantFiled: September 14, 2010Date of Patent: January 17, 2017Assignee: INGETEAM POWER TECHNOLOGY, S.A.Inventors: Julián Balda Belzunegui, Carlos Gironés Remírez
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Publication number: 20160308525Abstract: The present invention relates to a control system and control method for controlling a switching device (1) integrated in an electronic converter, the object of which is to extend the working voltage range of the switching devices and thus increase the power of the electronic DC/AC converter which prepares the energy produced by a energy generating system and injects it into the electrical grid. It basically comprises a voltage source (3), a capacitance (7), a first gate resistor (21) and a second gate resistor (22), a first circuit formed by a series resistor (6) with a first diode (5), a second circuit formed by a second diode (4) and a connecting element (8) controlled by a control unit (12) that controls the opening and closing thereof. Another object of the present invention is a switching cell for an electronic converter comprising said control system.Type: ApplicationFiled: December 3, 2013Publication date: October 20, 2016Applicant: INGETEAM POWER TECHNOLOGY, S.A.Inventors: Roberto GONZALEZ SENOSIAIN, Julian BALDA BELZUNEGUI, Luis PEREZ NICUESA
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Publication number: 20160118797Abstract: The object of the invention is to provide a power supply system and method for the various elements forming DC/AC electronic power converters that assures the operation of the converters during normal operating conditions and anomalous operating conditions, being specially designed for photovoltaic systems connected to the power grid and capable of providing direct current and alternating current voltages at the output thereof from at least one DC power source (1) and at least one AC power source (2), which basically comprises an output for DC loads (6) connected to the output of a DC/DC converter (3) the input of which is connected to the DC power source (1), an AC output for critical loads (7) connected to a first selector (5) configured for alternating between a first position where said AC output for critical loads (7) is connected to the output of a first DC/AC converter (4) the input of which is connected to the DC power source (1), and a second position where said AC output for critical loads (7) is coType: ApplicationFiled: May 17, 2013Publication date: April 28, 2016Applicant: INGETEAM POWER TECHNOLOGY, S.A.Inventors: Julián BALDA BELZUNEGUI, Roberto GONZÁLEZ SENOSIÁIN, Luis PÉREZ NICUESA
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Publication number: 20130234524Abstract: A control method for multi-converter systems wherein all DC/AC converters (1.1-1.n) are connected to a single transformer (2) via a single primary winding. The method of the present invention stands out mainly because it controls the common-mode voltage generated by the different DC/AC converters (1.1-1.n) so that said voltage falls mainly on the transformer (2).Type: ApplicationFiled: September 14, 2010Publication date: September 12, 2013Applicant: INGETEAM POWER TECHNOLOGY, S.A.Inventors: Julián Balda Belzunegui, Carlos Gironés Remírez
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Patent number: 7969700Abstract: The object of the present invention is to provide a structure for the electrical protection of photovoltaic facilities in the event a photovoltaic generator (G1-Gp) is connected with its polarity reversed, for what it includes a protection cell that comprises two connection points (1, 2) at which the photovoltaic generator is connected (G1-Gp), at least one device (D) in charge of reducing the voltage of the photovoltaic generator (G1-Gp) in the event of polarity reversion, which is connected in parallel between the aforementioned two connection points, at least one element (M) of breakage and/or protection of the photovoltaic generator (G1-Gp) serially connected to the preceding elements, minimizing the loading on the aforementioned break and/or protection elements.Type: GrantFiled: May 12, 2009Date of Patent: June 28, 2011Assignee: Ingeteam Energy, S.A.Inventors: Javier Coloma Calahorra, Julián Balda Belzunegui, Luis Muguerza Olcoz
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Publication number: 20090279221Abstract: The object of the present invention is to provide a structure for the electrical protection of photovoltaic facilities in the event a photovoltaic generator (G1-Gp) is connected with its polarity reversed, for what it includes a protection cell that comprises two connection points (1, 2) at which the photovoltaic generator is connected (G1-Gp), at least one device (D) in charge of reducing the voltage of the photovoltaic generator (G1-Gp) in the event of polarity reversion, which is connected in parallel between the aforementioned two connection points, at least one element (M) of breakage and/or protection of the photovoltaic generator (G1-Gp) serially connected to the preceding elements, minimizing the loading on the aforementioned break and/or protection elements.Type: ApplicationFiled: May 12, 2009Publication date: November 12, 2009Inventors: Javier Coloma Calahorra, Julian Balda Belzunegui, Luis Muguerza Olcoz