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公开(公告)号:US12132437B2
公开(公告)日:2024-10-29
申请号:US17036040
申请日:2020-09-29
Applicant: ASCO Power Technologies, L.P.
Inventor: Steven E. Evans , Victor E. Bonachea , Mario Ibrahim , Donald K. Blackman
IPC: H02P29/024 , H02J9/06 , H02P9/08
Abstract: In an example, a control system for controlling a generator and providing an alarm upon detection of a fault condition. The control system includes a control relay, which includes a normally-open (NO) contact pair and a normally-closed (NC) contact pair, between the transfer switch and a controller. The NO contact pair is provided by a NO contact and a common contact, and the NC contact pair is provided by a NC contact and the common contact. The controller can receive signals indicative of a state of the contact pairs of the control relay and, based on the signals, determine whether to activate the generator and/or activate an alarm system.
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公开(公告)号:US12126250B2
公开(公告)日:2024-10-22
申请号:US17805536
申请日:2022-06-06
Applicant: AA Power Inc.
Inventor: Qun Lu
CPC classification number: H02M1/0096 , H02J9/061 , H02M3/33507 , H02M3/33538 , H02M7/219 , G06F1/263 , H02M1/32 , H02M1/36 , H02M1/4225
Abstract: A dual-input power conversion system includes a first primary side power network comprising a first hold-up capacitor, wherein the first primary side power network has inputs configured to be coupled to a first power source, and outputs coupled to a transformer, a second primary side power network comprising a second hold-up capacitor, wherein the second primary side power network has inputs configured to be coupled to a second power source, and outputs coupled to the transformer, and a secondary side power network having inputs coupled to a secondary side of the transformer, and outputs coupled to a load, wherein the first primary side power network and the second primary side power network are configured such that a voltage across one of the first hold-up capacitor and the second hold-up capacitor is maintained by a voltage reflected from the secondary side to a corresponding primary side.
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3.
公开(公告)号:US20240333173A1
公开(公告)日:2024-10-03
申请号:US18623734
申请日:2024-04-01
Applicant: Inertech IP LLC
Inventor: Subrata K Mondal
CPC classification number: H02M7/487 , H02J9/061 , H02M3/04 , H02M1/0845 , H02M7/4835 , H02M7/49 , H02M7/53873 , H02M7/53875 , H02M7/53876
Abstract: Control systems for a multi-level diode-clamped inverter and corresponding methods include a processor and a digital logic circuit forming a hybrid controller. The processor identifies sector and region locations based on a sampled reference voltage vector V* and angle θe*. The processor then selects predefined switching sequences and pre-calculated turn-on time values based on the identified sector and region locations. The digital logic circuit generates PWM switching signals for driving power transistors of a multi-level diode-clamped inverter based on the turn-on time values and the selected switching sequences. The control system takes care of the existing capacitor voltage balancing issues of multi-level diode-clamped inverters while supplying both active and reactive power to an IT load. Using the control system, one can generate a symmetrical PWM signal that fully covers the linear under-modulation region.
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4.
公开(公告)号:US20240313573A1
公开(公告)日:2024-09-19
申请号:US18184002
申请日:2023-03-15
Applicant: Juniper Networks, Inc.
Inventor: Siri Subrahmanyam Vadlamani , Prakash B. Kamanuri , Jaspal S. Gill
Abstract: A disclosed apparatus may extend hold-up times for computing devices with redundant power supply units (PSUs). For example, an apparatus may include a plurality of PSUs and a controller. In one example, the PSUs may be configured to convert power from at least one AC input into a direct current (DC) output and to provide the DC output to a computing device. In this example, the controller may be configured to detect a loss of the AC input and a failure of a first PSU included in the plurality of PSUs. The controller may also be configured to extend a hold-up time of a second PSU included in the plurality of PSUs by boosting an undervoltage lockout signal monitored by the computing device in response to detecting the loss of the AC input and the failure of the first PSU. Various other apparatuses, systems, and methods are also disclosed.
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5.
公开(公告)号:US20240291312A1
公开(公告)日:2024-08-29
申请号:US18024135
申请日:2022-08-02
Applicant: LG ENERGY SOLUTION, LTD.
Inventor: Sung Gun LEE
CPC classification number: H02J9/061 , H02J3/32 , H02J7/00032 , B60L53/80 , B60L55/00
Abstract: The present invention relates to a battery swapping station having a mode in which a battery pack is operated at the time of power supply interruption that is capable of, when the supply of power to a battery swapping station (BSS) configured to charge a swappable battery is interrupted due to power failure or system error, enabling the BSS system to be operated without interruption.
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公开(公告)号:US20240291290A1
公开(公告)日:2024-08-29
申请号:US18594547
申请日:2024-03-04
Applicant: Inventus Power, Inc.
Inventor: Patrick James Trippel , William Tenorio , IIyas Ayub , Tom Nguyen
CPC classification number: H02J7/0014 , H02J7/00045 , H02J7/0042 , H02J7/0047 , H02J7/0063 , H02J9/061
Abstract: Described herein is a battery system that allows a battery pack to operate in different modes at different times. Each of the different modes may provide its own set of functionality that affects how the battery pack operates and/or reacts to external input signals. A mode may change how the battery pack discharges power by, for example, altering whether terminals are enabled or disabled. A mode may change how the battery pack's hardware operates by, for example, disabling or enabling portions of the battery pack's hardware. A mode may change what battery-related services are provided by the battery pack and available to an end user by, for example, enabling or disabling the sending of battery status information from the battery pack.
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公开(公告)号:US12046896B2
公开(公告)日:2024-07-23
申请号:US18259466
申请日:2021-12-20
Applicant: BRP-ROTAX GMBH & CO. KG
Inventor: Michael Aicher , Mario Zanghellini , Manfred Moeseneder , Michael Dopona , Alexander Schrempf , Matthias Weinzierl
CPC classification number: H02J1/082 , H02J1/002 , H02J1/12 , H02J9/061 , H02J2310/44
Abstract: A power supply comprises a DC power source, first and second DC/DC converters, and a protection circuit. The DC power source provides DC power at a variable bulk voltage. The first DC/DC converter converts the DC power from the DC power source to DC power at a high voltage suitable for powering a high-voltage load. The second DC/DC converter receives DC power from the first DC/DC converter, converts the received DC power to DC power at a low voltage, and delivers the DC power at the low voltage to a low-voltage load. The protection circuit selectively transfers DC power from the first DC/DC converter to the high-voltage load. The DC power source may be an AC/DC converter receiving AC power from a power generator driven by an aircraft engine.
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公开(公告)号:US20240235249A1
公开(公告)日:2024-07-11
申请号:US18526184
申请日:2023-12-01
Applicant: SCHNEIDER ELECTRIC IT CORPORATION
Inventor: Pin-Chieh Chan , Chia-Kun Chen
CPC classification number: H02J9/061 , H02J7/0068 , H02J7/007182 , H02J7/04 , H02M3/1582 , H02J2207/20 , H02J2207/30
Abstract: Examples of the disclosure include a power system configured to be coupled to at least one energy-storage device, the power system comprising a first switch, a second switch, and at least one controller configured to detect a discontinuous conduction mode (DCM) based on at least one of an output voltage of the energy-storage device or an output power of the energy-storage device, and control the first switch to be open in one of a buck mode or a boost mode based on detecting the DCM.
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公开(公告)号:US20240222968A1
公开(公告)日:2024-07-04
申请号:US18296355
申请日:2023-04-05
Applicant: Wistron Corporation
Inventor: Kuan-Wei Hsu
Abstract: A multi-power supply system and a multi-power supply method are provided. The multi-power supply system includes power suppliers and a controller. The controller receives an information of a system power, increases a number of at least one output power supplier of the power suppliers according to a rise of the system power, and decreases the number of the at least one output power supplier of the power suppliers according to a drop of the system power. Each of the at least one output power supplier generates a first power and provides a supplying power with a preset power value according to the first power. At least one of the power suppliers other than the output power supplier as a non-output power supplier generates a second power and stops providing the supplying power according to the second power.
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公开(公告)号:US12027855B2
公开(公告)日:2024-07-02
申请号:US17070344
申请日:2020-10-14
Applicant: Johnson Controls Technology Company
Inventor: Timothy C. Gamroth , Joseph Piccolo, III
CPC classification number: H02J13/0005 , H02J3/001 , H02J9/061 , H02J13/00002 , H02J13/00006
Abstract: A power outlet control device includes at least one electrical outlet and a processing circuit comprising a processor and memory storing instructions that, when executed by the processor, cause the processor to perform operations. The operations include monitoring external power supplied to the power outlet control device, detecting one or more powerline events based on the external power supplied to the power outlet control device, and automatically controlling an amount of power supplied to the at least one electrical outlet based on the one or more powerline events.
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