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公开(公告)号：US20220247324A1
公开(公告)日：2022-08-04
申请号：US17644495
申请日：2021-12-15
Applicant: ABB Schweiz AG
Inventor： Federico Bertoldi , Kalle Ilves , Nan Chen
Abstract: A converter and a method of operating a converter. The converter comprising a DC link capacitor, an upper arm (S1) and a lower arm (S4) with switching cells in series, an upper switch (S2) and a lower switch (S3). The upper switch (S2) and the lower switch (S3) are connected together and the connection point forming an output voltage terminal (a). The converter comprising further an upper valve component and a lower valve component, which are arranged such that the upper valve component allows current from the center point of the DC link capacitor towards the upper arm and the lower valve component allows current from the lower arm towards center point of the DC link capacitor. A current path through the upper valve component or the lower valve component comprises inductance to form a resonance circuit.
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公开(公告)号：US10666088B2
公开(公告)日：2020-05-26
申请号：US16472354
申请日：2017-12-06
Applicant: ABB Schweiz AG
Inventor： Jan Svensson , Kalle Ilves , Minos Beniakar , Theodore Soong , Nick Elliott
Abstract: A protection arrangement for an uninterruptible power supply system including at least one vacuum circuit breaker connected in series with an inductive element, the protection arrangement including a first bypass branch and a first grounding branch, the first bypass branch being connected in parallel with the inductive element and including two series-connected protective components of a first type and a bypass branch midpoint between them, where the first grounding branch is connected between the bypass branch midpoint and ground and includes a first grounding surge arrester.
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公开(公告)号：US11190009B2
公开(公告)日：2021-11-30
申请号：US16471645
申请日：2017-11-08
Applicant: ABB Schweiz AG
Inventor： Jan Svensson , Kalle Ilves , Minos Beniakar , Theodore Soong
Abstract: A protection arrangement for a multiphase uninterruptible power supply system including a vacuum circuit breaker connected in series with an inductive element, where the inductive element includes, for every phase, two series-connected magnetically coupled windings separated by a tap point. The protection arrangement includes one first group of protective components per phase, each first group including a first protective component having a first end connected to a link between the vacuum circuit breaker and the inductive element and a second end connected to a corresponding tap point, where at least one protective component in each first group is a surge arrester.
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Patent Agency Ranking
公开(公告)号：US20190363572A1
公开(公告)日：2019-11-28
申请号：US16472354
申请日：2017-12-06
Applicant: ABB Schweiz AG
Inventor： Jan Svensson , Kalle Ilves , Minos Beniakar , Theodore Soong , Nick Elliott
Abstract: A protection arrangement for an uninterruptible power supply system including at least one vacuum circuit breaker connected in series with an inductive element, the protection arrangement including a first bypass branch and a first grounding branch, the first bypass branch being connected in parallel with the inductive element and including two series-connected protective components of a first type and a bypass branch midpoint between them, where the first grounding branch is connected between the bypass branch midpoint and ground and includes a first grounding surge arrester.
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公开(公告)号：US11784581B2
公开(公告)日：2023-10-10
申请号：US17644495
申请日：2021-12-15
Applicant: ABB Schweiz AG
Inventor： Federico Bertoldi , Kalle Ilves , Nan Chen
CPC classification number: H02M7/487 , H02M7/4815 , H02M7/539 , H02M7/4835 , H02M7/4837
Abstract: A converter and a method of operating a converter. The converter comprising a DC link capacitor, an upper arm (S1) and a lower arm (S4) with switching cells in series, an upper switch (S2) and a lower switch (S3). The upper switch (S2) and the lower switch (S3) are connected together and the connection point forming an output voltage terminal (a). The converter comprising further an upper valve component and a lower valve component, which are arranged such that the upper valve component allows current from the center point of the DC link capacitor towards the upper arm and the lower valve component allows current from the lower arm towards center point of the DC link capacitor. A current path through the upper valve component or the lower valve component comprises inductance to form a resonance circuit.
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公开(公告)号：US20200228113A1
公开(公告)日：2020-07-16
申请号：US16482211
申请日：2017-02-15
Applicant: ABB Schweiz AG
Inventor： Nan Chen , Kalle Ilves , Muhammad Nawaz
Abstract: The present disclosure relates to a semiconductor switch leg S for a Power Electronic (PE) converter (1). The switch leg comprises a plurality of parallel connected semiconductor devices Sa-d. Each semiconductor device is connected with a positive conductor a-d+ connecting the semiconductor device to a positive terminal of an energy storing device (2) of the converter, and a negative conductor a-d-connecting the semiconductor device to a negative terminal of the energy storing device (2) of the converter, the semiconductor device together with the positive conductor and the negative conductor forming a current path across the energy storing device. The semiconductor switch leg comprises a plurality of magnetic coupling devices 3a-d, each magnetic coupling device being arranged between the two current paths of respective two neighbouring semiconductor devices of the plurality of semiconductor devices such that the current path of one of the two semiconductor devices and the current path of the other of the two semiconductor devices
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公开(公告)号：US20200091708A1
公开(公告)日：2020-03-19
申请号：US16471645
申请日：2017-11-08
Applicant: ABB Schweiz AG
Inventor： Jan Svensson , Kalle Ilves , Minos Beniakar , Theodore Soong
Abstract: A protection arrangement for a multiphase uninterruptible power supply system including a vacuum circuit breaker connected in series with an inductive element, where the inductive element includes, for every phase, two series-connected magnetically coupled windings separated by a tap point. The protection arrangement includes one first group of protective components per phase, each first group including a first protective component having a first end connected to a link between the vacuum circuit breaker and the inductive element and a second end connected to a corresponding tap point, where at least one protective component in each first group is a surge arrester.
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公开(公告)号：US10886914B2
公开(公告)日：2021-01-05
申请号：US16482211
申请日：2017-02-15
Applicant: ABB Schweiz AG
Inventor： Nan Chen , Kalle Ilves , Muhammad Nawaz
Abstract: The present disclosure relates to a semiconductor switch leg S for a Power Electronic (PE) converter (1). The switch leg comprises a plurality of parallel connected semiconductor devices Sa-d. Each semiconductor device is connected with a positive conductor a-d+ connecting the semiconductor device to a positive terminal of an energy storing device (2) of the converter, and a negative conductor a-d-connecting the semiconductor device to a negative terminal of the energy storing device (2) of the converter, the semiconductor device together with the positive conductor and the negative conductor forming a current path across the energy storing device. The semiconductor switch leg comprises a plurality of magnetic coupling devices 3a-d, each magnetic coupling device being arranged between the two current paths of respective two neighbouring semiconductor devices of the plurality of semiconductor devices such that the current path of one of the two semiconductor devices and the current path of the other of the two semiconductor devices pass via the magnetic coupling device, and such that each current path passes via two of said plurality of magnetic coupling devices.
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