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公开(公告)号:US12009148B2
公开(公告)日:2024-06-11
申请号:US18156657
申请日:2023-01-19
发明人: Alan Roth , Eric Soenen
IPC分类号: H01F38/30 , G01R15/18 , H01F5/00 , H01L23/522
CPC分类号: H01F38/30 , G01R15/183 , H01F5/003 , H01L23/5227
摘要: An integrated circuit includes a first conductive path over a substrate, a coil structure over the substrate, and a ferromagnetic structure. The first conductive path is configured to carry a first time-varying current and to generate a first time-varying magnetic field based on the first time-varying current. The coil structure is magnetically coupled with the first conductive path, and is configured to generate an induced electrical potential responsive to the first time-varying magnetic field. The ferromagnetic structure includes an open portion. The first conductive path extends through the open portion of the ferromagnetic structure. The first conductive path includes a first conductive line below the ferromagnetic structure, a second conductive line above the ferromagnetic structure, and a first via plug coplanar with the ferromagnetic structure. The first via plug electrically coupling the first conductive line and the second conductive line.
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公开(公告)号:US11961656B2
公开(公告)日:2024-04-16
申请号:US16991464
申请日:2020-08-12
发明人: Timothy M. Minteer , Eric M. Sawyer , David Kenny
IPC分类号: H01F7/06 , H01F27/24 , H01F27/28 , H01F27/32 , H01F38/30 , H01F41/02 , H01F41/06 , H01F41/00
CPC分类号: H01F27/325 , H01F27/24 , H01F27/2823 , H01F38/30 , H01F41/02 , H01F41/0206 , H01F41/06 , H01F2038/305 , H01F41/00
摘要: A current transformer includes a pre-formed core forming a closed loop with a flexible axially wound secondary winding. A continuous length of wire is axially coiled around a flexible bobbin to form a secondary winding. The resulting secondary winding may be slid onto the closed loop of the pre-formed core. The flexibility of the axially wound secondary winding facilitates conformity to a non-linear shape of the pre-formed core.
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公开(公告)号:US11942266B1
公开(公告)日:2024-03-26
申请号:US17692734
申请日:2022-03-11
IPC分类号: H01F38/30
CPC分类号: H01F38/30
摘要: Systems for improvements in electrical power distribution and monitoring systems for data centers. A system can include a circuit breaker, a set of phased current transformers (CTs), a neutral CT, and a metering device. The circuit breaker can be mounted in a first enclosure. Additionally, the set of phased CTs can be positioned in a first component arrangement of a second enclosure. The set of phased CTs can be coupled to the circuit breaker and be configured to measure a current value flowing through the circuit breaker. Moreover, the neutral CT can be positioned in a second component arrangement of the second enclosure. The neutral No errors found. CT can be coupled to the circuit breaker. Furthermore, the metering device can be configured to transmit data associated with the current value to a display device.
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公开(公告)号:US11735356B2
公开(公告)日:2023-08-22
申请号:US16757346
申请日:2018-10-19
发明人: Herbert Kipp
CPC分类号: H01F27/321 , H01F27/2823 , H01F38/30
摘要: A current converter with fluid or oil paper insulation for high voltage, with a head housing through which a primary conductor passes. A measurement device through which the primary conductor passes is arranged in the head housing. The primary conductor includes two different primary conductor types, more specifically an outer tube primary conductor as the first type and one or more inner conductor primary conductors as the second type. The outer tube primary conductor surrounds an interior that is designed to receive the inner conductor primary conductor, and the inner conductor primary conductors can be inserted into the interior. The outer tube primary conductor is used to transmit power and creates an encasement for the inner conductors. Only the outer tube primary conductor needs to be sealed with respect to the head housing. Inner conductors therefore can be easily inserted or re-moved subsequently, without the need for sealing measures.
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公开(公告)号:US11705275B2
公开(公告)日:2023-07-18
申请号:US16952907
申请日:2020-11-19
申请人: Panoramic Power Ltd.
发明人: Daniel Aljadeff , Dan Wijsboom , Yael Alali , Adi Shamir
IPC分类号: G01R35/00 , H01F38/30 , H01F27/28 , H01F27/24 , H03M1/12 , H03M1/66 , G01R15/18 , G01R19/18 , G01R19/22 , H03H7/06 , G01R19/00 , G01R35/04
CPC分类号: H01F38/30 , G01R15/183 , G01R15/186 , G01R19/0007 , G01R19/0092 , G01R19/18 , G01R19/22 , G01R35/005 , G01R35/04 , H01F27/24 , H01F27/28 , H03H7/06 , H03M1/12 , H03M1/66
摘要: A current transformer (CT) for the purpose of, for example, current measurement, that uses a power line as a first coil and a second coil for measurement purposes, is further equipped with a third coil. Circuitry connected to the third coil is adapted to measure a signal therefrom. The measured signal from the third coil is compared to a signal measured from the second coil and based on the results, internal CT parameters are determined allowing calibration of actual results to expected results thereby providing an improved accuracy. This is especially desirable when using the CT for measurement of the like of current or phase of the primary coil when measurements are adjusted using the newly determined calibration parameters.
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公开(公告)号:US11662369B2
公开(公告)日:2023-05-30
申请号:US17450480
申请日:2021-10-11
发明人: Eric Ryan , Mark A. Thomas
CPC分类号: G01R15/186 , H01F38/30 , H01F2038/305
摘要: A split core current transformer (CT) includes a first CT core half and a first housing that houses the first CT core half. The split core CT includes a second core half and a housing that houses the second CT core half. The split core CT includes a first set of bushings configured to flexibly couple the first insulative body to the first housing to maintain contact between faces of the first CT core half and faces of the second CT core half.
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公开(公告)号:US20230154675A1
公开(公告)日:2023-05-18
申请号:US18156657
申请日:2023-01-19
发明人: Alan ROTH , Eric SOENEN
CPC分类号: H01F38/30 , G01R15/183 , H01F5/003 , H01L23/5227
摘要: An integrated circuit includes a first conductive path over a substrate, a coil structure over the substrate, and a ferromagnetic structure. The first conductive path is configured to carry a first time-varying current and to generate a first time-varying magnetic field based on the first time-varying current. The coil structure is magnetically coupled with the first conductive path, and is configured to generate an induced electrical potential responsive to the first time-varying magnetic field. The ferromagnetic structure includes an open portion. The first conductive path extends through the open portion of the ferromagnetic structure. The first conductive path includes a first conductive line below the ferromagnetic structure, a second conductive line above the ferromagnetic structure, and a first via plug coplanar with the ferromagnetic structure. The first via plug electrically coupling the first conductive line and the second conductive line.
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公开(公告)号:US20230110022A1
公开(公告)日:2023-04-13
申请号:US17450480
申请日:2021-10-11
发明人: Eric Ryan , Mark A. Thomas
摘要: A split core current transformer (CT) includes a first CT core half and a first housing that houses the first CT core half. The split core CT includes a second core half and a housing that houses the second CT core half. The split core CT includes a first set of bushings configured to flexibly couple the first insulative body to the first housing to maintain contact between faces of the first CT core half and faces of the second CT core half.
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公开(公告)号:US11538628B2
公开(公告)日:2022-12-27
申请号:US16952922
申请日:2020-11-19
申请人: Panoramic Power Ltd.
发明人: Daniel Aljadeff , Dan Wijsboom , Yael Alali , Adi Shamir
IPC分类号: H01F38/30 , H01F27/28 , H01F27/24 , H03M1/12 , H03M1/66 , G01R35/00 , G01R15/18 , G01R19/18 , G01R19/22 , H03H7/06 , G01R19/00 , G01R35/04
摘要: A current transformer (CT) for the purpose of, for example, current measurement, that uses a power line as a first coil and a second coil for measurement purposes, is further equipped with a third coil. Circuitry connected to the third coil is adapted to inject a known reference signal to the third coil of the CT. The injected reference signal, i.e., current, generates signals in the first and second coils of the CT. The signal generated in the second coil is compared using circuitry attached thereto to the reference signal. Based on the results, and the difference between the expected results and the actual results, updated calibration parameters are determined. These provide improved accuracy when using the CT, for example for measurement of the like of current or phase of the primary coil when measurements are adjusted using the newly determined calibration parameters.
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公开(公告)号:US20210265110A1
公开(公告)日:2021-08-26
申请号:US17257482
申请日:2019-06-28
申请人: Fluke Corporation
发明人: Shounan Luo , Fang Li
摘要: A current transformer includes first and second transformer assemblies that each respectively comprise first and second groups of stacked iron core components. A first interface and a second interface are defined at an end of the first transformer assembly. A third interface and a fourth interface are defined at an end of the second transformer assembly. At least one of the first interface and the second interface is detachably connected with at least one of the third interface and the fourth interface. When the first and second transformer assemblies are connected with each other, the first and second groups of iron core components are combined to form a plurality of closed ring-shaped iron cores, and coils are respectively wound on at least two closed ring-shaped iron cores. An enclosed area defined between the first and second transformer assemblies causes induced current to be generated in at least one coil.
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