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公开(公告)号：US11336081B2
公开(公告)日：2022-05-17
申请号：US16795604
申请日：2020-02-20
Applicant: ABB Schweiz AG
Inventor： Radek Javera , Marek Pavlas
Abstract: A protection circuit is for a medium voltage or high voltage transformer and includes a sensing device, a measurement device, and a switching device. The sensing device is configured to be connected between a primary winding of a voltage transformer and ground potential. The measurement device is connected to the sensing device and the measurement device is configured to measure at least one parameter sensed by the sensing device. The protection circuit is configured to analyse the measured at least one parameter sensed by the sensing device. The protection circuit is configured to generate a trip signal based on the analysis of the measured at least one parameter sensed by the sensing device. The switching device is configured to receive the generated trip signal and disconnect the voltage transformer from a high voltage potential.
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公开(公告)号：US20200274349A1
公开(公告)日：2020-08-27
申请号：US16795604
申请日：2020-02-20
Applicant: ABB Schweiz AG
Inventor： Radek Javora , Marek Pavlas
Abstract: A protection circuit is for a medium voltage or high voltage transformer and includes a sensing device, a measurement device, and a switching device. The sensing device is configured to be connected between a primary winding of a voltage transformer and ground potential. The measurement device is connected to the sensing device and the measurement device is configured to measure at least one parameter sensed by the sensing device. The protection circuit is configured to analyse the measured at least one parameter sensed by the sensing device. The protection circuit is configured to generate a trip signal based on the analysis of the measured at least one parameter sensed by the sensing device. The switching device is configured to receive the generated trip signal and disconnect the voltage transformer from a high voltage potential.
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公开(公告)号：US20240393370A1
公开(公告)日：2024-11-28
申请号：US18670854
申请日：2024-05-22
Applicant: ABB Schweiz AG
Inventor： Radek Javora , Marek Pavlas
Abstract: A medium or high voltage sensor includes a medium or high voltage sensing unit; a primary connection; a cable connection; and at least one fixation part; wherein the primary connection is connected to a first terminal of the medium or high voltage sensor unit; wherein the cable connection is connected to a second terminal of the medium or high voltage sensor unit; wherein the at least one fixation part is located at a base end of the medium or high voltage sensor unit; and wherein the at least one fixation part is configured to connect to an external structure.
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公开(公告)号：US20250157701A1
公开(公告)日：2025-05-15
申请号：US18946822
申请日：2024-11-13
Applicant: ABB Schweiz AG
Inventor： Adrian Hozoi , Felix Sommer , Vadim Migunov , Marek Pavlas
Abstract: A resistor structure includes at least an electrically insulating substrate, at least one electrically conductive terminal directly or indirectly provided on the substrate, at least one resistive path comprising at least one resistive trace directly or indirectly provided on the substrate and directly or indirectly joined to the terminal, wherein a thickness of the resistive trace is the thickness of the resistive trace in the thickness direction facing away from the substrate, characterized in that at least one insulator element is applied directly or indirectly and at least partially on the substrate, wherein a thickness of the insulator element is the thickness of the insulator element in the thickness direction facing away from the substrate.
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