公开(公告)号：US20250149913A1

公开(公告)日：2025-05-08

申请号：US18503476

申请日：2023-11-07

Applicant: ABB Schweiz AG

Inventor： Thomas Anthony Kendzia, III ,  Veerakumar Bose ,  Christopher Alan Belcastro

IPC: H02J9/06 ,  H01H9/16 ,  H01H9/54

Abstract: A method operable by a controller of a static transfer switch (STS) is provided. The STS includes first and second inputs selectively coupled with first and second power sources via first and second circuit breakers, respectively, an output coupled with a load, first and second bypass breakers selectively coupling the first and second inputs, respectively, with the output, at least one removable power stage module including first and second power stages configured to conduct electrical power when active, first and second contactors selectively coupling the first and second inputs with the first and second power stages, respectively, and a load switch selectively coupling the first and second power stages with the output. The method includes modifying an operating state of the first and second contactors and the first and second power stages to implement a bypass operation and an un-bypass operation of the STS in response to a trigger condition.

公开(公告)号：US20250112458A1

公开(公告)日：2025-04-03

申请号：US18478612

申请日：2023-09-29

Applicant: ABB Schweiz AG

Inventor： Veerakumar Bose ,  Christopher Alan Belcastro ,  Lakkimsetti Anjankumar

IPC: H02H9/00 ,  H02H3/08 ,  H02H9/02

Abstract: Systems and methods for reducing inrush current to energize a transformer from a first power source or second power source using a transfer switch device including monitoring input phase voltage at a first and second switching pair, sending a first set of gate signals to the first switching pair and second set of gate signals to the second switching pair to selectively couple the transformer to the first power source or second power source, and operating the first switching pair and second switching pair in a normal operating mode at a next cycle once transformer flux reaches a saturation point. The transfer switch device includes a first switch and second switch connected to the first power source and second power source, respectively, and each switch including the first switching pair and second switching pair connected in a reverse orientation to enable a bi-directional flow of current at each phase.

公开(公告)号：US20230187963A1

公开(公告)日：2023-06-15

申请号：US17548829

申请日：2021-12-13

Applicant: ABB Schweiz AG

Inventor： Yuzhi Zhang ,  Yu Du ,  Xiaoqing Song ,  Harish Suryanarayana ,  Veerakumar Bose ,  Thomas Anthony Kendzia, III ,  Harshang Shah ,  Christopher Alan Belcastro

IPC: H02J9/06 ,  H02J7/00

CPC classification number: H02J9/06 ,  H02J7/0047 ,  H02J7/00712

Abstract: A method of operating a static transfer switch is provided. The method includes monitoring a voltage waveform for each phase of first and second power sources, and calculating flux for each phase of the power sources. The method also includes determining (i) a first flux difference between the respective flux of the first phases of the first and second power sources, (ii) a second flux difference between the respective flux of the second phases of the first and second power sources, and (iii) a third flux difference between the respective flux of the third phases of the first and second power sources. The method further includes turning off a third solid-state switch to disconnect the third phase of the first power source from a load, in response to the controller determining that the third flux difference is greater the first and second flux differences.

公开(公告)号：US20200244097A1

公开(公告)日：2020-07-30

申请号：US16258825

申请日：2019-01-28

Applicant: ABB Schweiz AG

Inventor： Adil Oudrhiri ,  Christopher Alan Belcastro

IPC: H02J9/06 ,  G06F1/26 ,  G06F1/30 ,  H02J3/14

Abstract: Technologies for transferring a load by a static transfer switch (STS) to a catcher uninterruptible power supply (UPS) are disclosed. In an illustrative embodiment, each STS in a catcher UPS system monitors an available power of the catcher UPS. The STS determines, in response to a power failure event of an associated UPS, whether a real-time power supplied to a load connected to the STS exceeds the available power of the catcher UPS and whether the STS has priority over each other STS in the system. The STS transfers the load from the associated UPS to the catcher UPS in response to determining that the real-time power supplied to the load does not exceed the available power of the catcher UPS and that the STS has priority over each other STS in the system.

公开(公告)号：USD1028914S1

公开(公告)日：2024-05-28

申请号：US29777086

申请日：2021-04-02

Applicant: ABB Schweiz AG

Designer： Christopher Alan Belcastro ,  Gilbert Taylor Miller

Abstract: FIG. 1 is a front side perspective view of a dual cabinet high density power distribution unit;
FIG. 2 is a front side elevation view thereof;
FIG. 3 is a rear side elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom side plan view thereof.
The broken lines shown in the figures are for the purpose of illustrating portions of the dual cabinet high density power distribution unit that form no part of the claimed design.

公开(公告)号：US20230155368A1

公开(公告)日：2023-05-18

申请号：US17525284

申请日：2021-11-12

Applicant: ABB Schweiz AG

Inventor： Yu Du ,  Christopher Alan Belcastro ,  Waqas Mahmood Arshad

IPC: H02H3/10 ,  H01H47/22 ,  H02H1/00 ,  H02H5/04 ,  H03K17/687

CPC classification number: H02H3/10 ,  H01H47/22 ,  H02H1/0007 ,  H02H5/047 ,  H03K17/687

Abstract: In one aspect, a modular static transfer switch is provided. The module static transfer switch includes an output configured to couple to a load, a first input configured to couple to a first power source, and a second input configured to couple to a second power source. The modular static transfer switch further includes a plurality of sold-state switch modules each comprising at least one solid-state switch. A first plurality of the solid-state switch modules are coupled in parallel between the first input and the output, each configured to selectively couple the first power source to the output using the at least one solid-state switch. A second plurality of the solid-state switch modules are coupled in parallel between the second input and the output, each configured to selectively couple the second power source to the output using the at least one solid-state switch.

公开(公告)号：US11258296B1

公开(公告)日：2022-02-22

申请号：US17100040

申请日：2020-11-20

Applicant: ABB Schweiz AG

Inventor： Veerakumar Bose ,  Thomas Kendzia, III ,  Christopher Alan Belcastro ,  Harshang Shah

IPC: H02J1/00 ,  H02J3/00 ,  H02J9/06

Abstract: A static transfer switch is provided for supplying power to a load alternately from two different power sources. Switching between the two power sources may occur within a fraction of one electrical cycle. In response to sensing degraded performance in the power source supplying the load, a main circuit is turned off with a resonant turn off circuit. The resonant turn off circuit is shared between the main circuits of two different power sources such that the resonant turn off circuit is connected to the main circuit of whichever power source is currently supply power to the load.

公开(公告)号：US11211816B1

公开(公告)日：2021-12-28

申请号：US17100044

申请日：2020-11-20

Applicant: ABB Schweiz AG

Inventor： Veerakumar Bose ,  Thomas Kendzia, III ,  Christopher Alan Belcastro

IPC: H02J9/06 ,  G06F1/26 ,  G06F1/28 ,  H03K17/72 ,  H03K17/13 ,  H03K17/04 ,  H02J3/00

Abstract: A static transfer switch is provided for supplying power to a load alternately from two different power sources. Switching between the two power sources may occur within a fraction of one electrical cycle. In response to sensing degraded performance in the power source supplying the load, resonant turn off circuits connected directly to the main switches of two phases of the power source are actuated to commutate the respective main switches. The main switch of the third phase is commutated with one or more of the resonant turn off circuits through the delta side of a transformer connected to the three phases of the power source.

公开(公告)号：US11183871B2

公开(公告)日：2021-11-23

申请号：US16258825

申请日：2019-01-28

Applicant: ABB Schweiz AG

Inventor： Adil Oudrhiri ,  Christopher Alan Belcastro

IPC: H02J9/06 ,  H02J3/14 ,  G06F1/30 ,  G06F1/26

Abstract: Technologies for transferring a load by a static transfer switch (STS) to a catcher uninterruptible power supply (UPS) are disclosed. In an illustrative embodiment, each STS in a catcher UPS system monitors an available power of the catcher UPS. The STS determines, in response to a power failure event of an associated UPS, whether a real-time power supplied to a load connected to the STS exceeds the available power of the catcher UPS and whether the STS has priority over each other STS in the system. The STS transfers the load from the associated UPS to the catcher UPS in response to determining that the real-time power supplied to the load does not exceed the available power of the catcher UPS and that the STS has priority over each other STS in the system.