Patents by Inventor Liron Har-Shai
Liron Har-Shai 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: 20200083715Abstract: A method may include: applying a first voltage on at least one first terminal of a first direct current (DC) bus electrically connected to a power source, obtaining at least one indication that discharge of a second voltage related to the first voltage should be performed, and discharging the second voltage by electrically connecting at least one second terminal of a second DC bus to a ground in response to the at least one indication. Another method may include: injecting a current at at least one terminal of a direct current (DC) bus that is electrically connected to a power source, simultaneous to injecting the current, measuring an insulation relative to ground, obtaining an electrical parameter related to the power source, and, in response to the electrical parameter, maintaining the current injected at the terminal of the DC bus without ceasing the measuring of the insulation relative to a ground.Type: ApplicationFiled: November 13, 2019Publication date: March 12, 2020Inventors: Ilan Yoscovich, Liron Har-Shai, Amir Grossberg, Matan Atias, Daniel Zmood, David Avraham
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Publication number: 20190393834Abstract: Circuits integrated or integrable with a photovoltaic panel to provide built-in functionality to the photovoltaic panel including safety features such as arc detection and elimination, ground fault detection and elimination, reverse current protection, monitoring of the performance of the photovoltaic panel, transmission of the monitored parameters and theft prevention of the photovoltaic panel. The circuits may avoid power conversion, for instance DC/DC power conversion, may avoid performing maximum power tracking to include a minimum number of components and thereby increase overall reliability.Type: ApplicationFiled: July 1, 2019Publication date: December 26, 2019Inventors: Liron Har-Shai, Alon Zohar, Ilan Yoscovitch, Yoav Galin, Lior Handelsman
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Publication number: 20190348926Abstract: An apparatus may determine a parameter related to a voltage value at a midpoint terminal of a system power device, and may adjust a voltage applied to a second terminal of the system power device based on the parameter and a reference value. The second terminal may be different from the midpoint terminal.Type: ApplicationFiled: May 7, 2019Publication date: November 14, 2019Applicant: Solaredge Technologies LtdInventors: Ilan Yoscovich, Liron Har-Shai, Amir Grossberg
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Patent number: 10381977Abstract: Circuits integrated or integrable with a photovoltaic panel to provide built-in functionality to the photovoltaic panel including safety features such as arc detection and elimination, ground fault detection and elimination, reverse current protection, monitoring of the performance of the photovoltaic panel, transmission of the monitored parameters and theft prevention of the photovoltaic panel. The circuits may avoid power conversion, for instance DC/DC power conversion, may avoid performing maximum power tracking to include a minimum number of components and thereby increase overall reliability.Type: GrantFiled: December 12, 2017Date of Patent: August 13, 2019Assignee: Solaredge Technologies LtdInventors: Liron Har-Shai, Alon Zohar, Ilan Yoscovitch, Yoav Galin, Lior Handlesman
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Publication number: 20180351366Abstract: A power system comprising one or more power generators and a combiner. The system may be electrically connected to or include one or more loads. The combiner may have input terminals that are coupled to outputs of the power generators. The combiner may also have output terminals that are coupled to input(s) of the one or more loads. The power generators may be configured to transfer harvested power to the combiner, and the combiner may be configured to transfer the harvested power to the one or more loads.Type: ApplicationFiled: May 29, 2018Publication date: December 6, 2018Inventors: Lior Handelsman, Adrian Hawke, Yoav Galin, Ilan Yoscovich, Guy Sella, Tzachi Glovinsky, Yaron Binder, Liron Har-Shai, Guy Lichtenstern, Izac Assia, Yaron Zolar
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Publication number: 20180212426Abstract: A direct current (DC) power combiner operable to interconnect multiple interconnected photovoltaic strings is disclosed. The DC power combiner may include a device adapted for disconnecting at least one photovoltaic string from the multiple interconnected photovoltaic strings, each photovoltaic string connectible by a first and second DC power line. The device may include a differential current sensor adapted to measure differential current by comparing respective currents in the first and second DC power lines. A first switch is connected in series with the first DC power line. A control module is operatively attached to the differential current sensor and the first switch. The control module may be operable to open the first switch when the differential current sensor measures the differential current to be greater than a maximum allowed current differential, thereby disconnecting the photovoltaic string from the interconnected photovoltaic strings.Type: ApplicationFiled: March 23, 2018Publication date: July 26, 2018Inventors: Liron Har-Shai, Alon Zohar, Yoav Galin, Meir Adest
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Publication number: 20180102736Abstract: Circuits integrated or integrable with a photovoltaic panel to provide built-in functionality to the photovoltaic panel including safety features such as arc detection and elimination, ground fault detection and elimination, reverse current protection, monitoring of the performance of the photovoltaic panel, transmission of the monitored parameters and theft prevention of the photovoltaic panel. The circuits may avoid power conversion, for instance DC/DC power conversion, may avoid performing maximum power tracking to include a minimum number of components and thereby increase overall reliability.Type: ApplicationFiled: December 12, 2017Publication date: April 12, 2018Inventors: Liron Har-Shai, Alon Zohar, Ilan Yoscovitch, Yoav Galin, Lior Handlesman
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Patent number: 9935458Abstract: A direct current (DC) power combiner operable to interconnect multiple interconnected photovoltaic strings is disclosed. The DC power combiner may include a device adapted for disconnecting at least one photovoltaic string from the multiple interconnected photovoltaic strings, each photovoltaic string connectible by a first and second DC power line. The device may include a differential current sensor adapted to measure differential current by comparing respective currents in the first and second DC power lines. A first switch is connected in series with the first DC power line. A control module is operatively attached to the differential current sensor and the first switch. The control module may be operable to open the first switch when the differential current sensor measures the differential current to be greater than a maximum allowed current differential, thereby disconnecting the photovoltaic string from the interconnected photovoltaic strings.Type: GrantFiled: March 22, 2016Date of Patent: April 3, 2018Assignee: Solaredge Technologies Ltd.Inventors: Liron Har-Shai, Alon Zohar, Yoav Galin, Meir Adest
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Patent number: 9923516Abstract: Circuits integrated or integrable with a photovoltaic panel to provide built-in functionality to the photovoltaic panel including safety features such as arc detection and elimination, ground fault detection and elimination, reverse current protection, monitoring of the performance of the photovoltaic panel, transmission of the monitored parameters and theft prevention of the photovoltaic panel. The circuits may avoid power conversion, for instance DC/DC power conversion, may avoid performing maximum power tracking to include a minimum number of components and thereby increase overall reliability.Type: GrantFiled: February 25, 2015Date of Patent: March 20, 2018Assignee: Solaredge Technologies Ltd.Inventors: Liron Har-Shai, Alon Zohar, Ilan Yoscovitch, Yoav Galin, Lior Handelsman
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Patent number: 9876466Abstract: Circuits integrated or integrable with a photovoltaic panel to provide built-in functionality to the photovoltaic panel including safety features such as arc detection and elimination, ground fault detection and elimination, reverse current protection, monitoring of the performance of the photovoltaic panel, transmission of the monitored parameters and theft prevention of the photovoltaic panel. The circuits may avoid power conversion, for instance DC/DC power conversion, may avoid performing maximum power tracking to include a minimum number of components and thereby increase overall reliability.Type: GrantFiled: February 25, 2015Date of Patent: January 23, 2018Assignee: Solaredge Technologies Ltd.Inventors: Liron Har-Shai, Alon Zohar, Ilan Yoscovitch, Yoav Galin, Lior Handelsman
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Publication number: 20170279265Abstract: A direct current (DC) power combiner operable to interconnect multiple interconnected photovoltaic strings is disclosed. The DC power combiner may include a device adapted for disconnecting at least one photovoltaic string from the multiple interconnected photovoltaic strings, each photovoltaic string connectible by a first and second DC power line. The device may include a differential current sensor adapted to measure differential current by comparing respective currents in the first and second DC power lines. A first switch is connected in series with the first DC power line. A control module is operatively attached to the differential current sensor and the first switch. The control module may be operable to open the first switch when the differential current sensor measures the differential current to be greater than a maximum allowed current differential, thereby disconnecting the photovoltaic string from the interconnected photovoltaic strings.Type: ApplicationFiled: June 13, 2017Publication date: September 28, 2017Inventors: Liron Har-Shai, Alon Zohar, Yoav Galin, Meir Adest
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Patent number: 9401599Abstract: A direct current (DC) power combiner operable to interconnect multiple interconnected photovoltaic strings is disclosed. The DC power combiner may include a device adapted for disconnecting at least one photovoltaic string from the multiple interconnected photovoltaic strings, each photovoltaic string connectible by a first and second DC power line. The device may include a differential current sensor adapted to measure differential current by comparing respective currents in the first and second DC power lines. A first switch is connected in series with the first DC power line. A control module is operatively attached to the differential current sensor and the first switch. The control module may be operable to open the first switch when the differential current sensor measures the differential current to be greater than a maximum allowed current differential, thereby disconnecting the photovoltaic string from the interconnected photovoltaic strings.Type: GrantFiled: December 9, 2011Date of Patent: July 26, 2016Assignee: Solaredge Technologies Ltd.Inventors: Liron Har-Shai, Alon Zohar, Yoav Galin, Meir Adest
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Publication number: 20160204605Abstract: A direct current (DC) power combiner operable to interconnect multiple interconnected photovoltaic strings is disclosed. The DC power combiner may include a device adapted for disconnecting at least one photovoltaic string from the multiple interconnected photovoltaic strings, each photovoltaic string connectible by a first and second DC power line. The device may include a differential current sensor adapted to measure differential current by comparing respective currents in the first and second DC power lines. A first switch is connected in series with the first DC power line. A control module is operatively attached to the differential current sensor and the first switch. The control module may be operable to open the first switch when the differential current sensor measures the differential current to be greater than a maximum allowed current differential, thereby disconnecting the photovoltaic string from the interconnected photovoltaic strings.Type: ApplicationFiled: March 22, 2016Publication date: July 14, 2016Inventors: Liron Har-Shai, Alon Zohar, Yoav Galin, Meir Adest
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Patent number: 9325166Abstract: A direct current (DC) power combiner operable to interconnect multiple interconnected photovoltaic strings is disclosed. The DC power combiner may include a device adapted for disconnecting at least one photovoltaic string from the multiple interconnected photovoltaic strings, each photovoltaic string connectible by a first and second DC power line. The device may include a differential current sensor adapted to measure differential current by comparing respective currents in the first and second DC power lines. A first switch is connected in series with the first DC power line. A control module is operatively attached to the differential current sensor and the first switch. The control module may be operable to open the first switch when the differential current sensor measures the differential current to be greater than a maximum allowed current differential, thereby disconnecting the photovoltaic string from the interconnected photovoltaic strings.Type: GrantFiled: December 9, 2011Date of Patent: April 26, 2016Assignee: SOLAREDGE TECHNOLOGIES LTDInventors: Liron Har-Shai, Alon Zohar, Yoav Galin, Meir Adest
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Publication number: 20150171789Abstract: Circuits integrated or integrable with a photovoltaic panel to provide built-in functionality to the photovoltaic panel including safety features such as arc detection and elimination, ground fault detection and elimination, reverse current protection, monitoring of the performance of the photovoltaic panel, transmission of the monitored parameters and theft prevention of the photovoltaic panel. The circuits may avoid power conversion, for instance DC/DC power conversion, may avoid performing maximum power tracking to include a minimum number of components and thereby increase overall reliability.Type: ApplicationFiled: February 25, 2015Publication date: June 18, 2015Inventors: Liron Har-Shai, Alon Zohar, Ilan Yoscovitch, Yoav Galin, Lior Handelsman
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Patent number: 8988838Abstract: Circuits integrated or integrable with a photovoltaic panel to provide built-in functionality to the photovoltaic panel including safety features such as arc detection and elimination, ground fault detection and elimination, reverse current protection, monitoring of the performance of the photovoltaic panel, transmission of the monitored parameters and theft prevention of the photovoltaic panel. The circuits may avoid power conversion, for instance DC/DC power conversion, may avoid performing maximum power tracking to include a minimum number of components and thereby increase overall reliability.Type: GrantFiled: January 29, 2013Date of Patent: March 24, 2015Assignee: Solaredge Technologies Ltd.Inventors: Liron Har-Shai, Alon Zohar, Ilan Yoscovitch, Yoav Galin, Lior Handelsman
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Publication number: 20120175961Abstract: A direct current (DC) power combiner operable to interconnect multiple interconnected photovoltaic strings is disclosed. The DC power combiner may include a device adapted for disconnecting at least one photovoltaic string from the multiple interconnected photovoltaic strings, each photovoltaic string connectible by a first and second DC power line. The device may include a differential current sensor adapted to measure differential current by comparing respective currents in the first and second DC power lines. A first switch is connected in series with the first DC power line. A control module is operatively attached to the differential current sensor and the first switch. The control module may be operable to open the first switch when the differential current sensor measures the differential current to be greater than a maximum allowed current differential, thereby disconnecting the photovoltaic string from the interconnected photovoltaic strings.Type: ApplicationFiled: December 9, 2011Publication date: July 12, 2012Applicant: SOLAREDGE TECHNOLOGIES LTD.Inventors: Liron Har-Shai, Alon Zohar, Yoav Galin, Meir Adest