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公开(公告)号：US20210111628A1
公开(公告)日：2021-04-15
申请号：US17066643
申请日：2020-10-09
Applicant: ABB Schweiz AG
Inventor： Esa-Kai Paatero , Nicola Notari
Abstract: A converter assembly including a source connection system comprising a primary source connection, and at least one secondary source connection; a load connection system; a primary source converter including a primary rectifier connected electrically to the primary source connection, and having a boost topology, and a DC link connected electrically between the primary rectifier and the load connection system, the DC link including DC link capacitance; a secondary source converter, which is a direct-current converter having a boost topology, connected electrically between the at least one secondary source connection and the DC link; and a pre-charge converter adapted for pre-charging the DC link capacitance. The pre-charge converter includes a pre-charge direct-current converter having a step down topology.
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公开(公告)号：US20180054084A1
公开(公告)日：2018-02-22
申请号：US15671885
申请日：2017-08-08
Applicant: ABB Schweiz AG
Inventor： Esa-Kai Paatero , Nicola Notari , Ivan Furlan
IPC: H02J9/06
Abstract: The present application contemplates a power installation including an uninterruptible power supply system and a user installation, wherein the user installation includes a load, at least one AC power source, at least one secondary power supply, at least one controllable hardware component, and a system Protective Earth, the uninterruptible power supply system includes—at least one uninterruptible power supply module, and a control device for controlling the uninterruptible power supply system based on at least one system parameter of the uninterruptible power supply system, wherein the at least one uninterruptible power supply system is connected between the at least one AC power source, the at least one secondary power supply, and the load, the power installation further includes at least one installation control assembly including an assembly controller, and at least one measurement device connected to the assembly controller, wherein the installation control assembly is galvanically referenced to system Protective Earth, and the assembly controller performs a control of the uninterruptible power supply system and the at least one controllable hardware component based on measurement signals received from the at least one measurement device.
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公开(公告)号：US20160366781A1
公开(公告)日：2016-12-15
申请号：US15247310
申请日：2016-08-25
Applicant: ABB Schweiz AG
Inventor： Esa-Kai Paatero
CPC classification number: H05K7/1457 , H02J9/00 , H05K5/0217
Abstract: The present disclosure provides a docking frame for receiving at least one uninterrupted power supply module for high power uninterrupted power supply systems. The power supply system includes a bus connection for electrically connecting another uninterrupted power supply module to at least another docking frame and/or an I/O module. The one or more I/O modules, docking frames and uninterrupted power supply modules can be electrically connected in a horizontal arrangement.
Abstract translation: 本公开提供了一种用于接收用于大功率不间断电源系统的至少一个不间断电源模块的对接框架。 电源系统包括用于将另一个不间断电源模块电连接到至少另一对接框架和/或I / O模块的总线连接。 一个或多个I / O模块，对接框架和不间断电源模块可以以水平布置电连接。
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公开(公告)号：US20160344233A1
公开(公告)日：2016-11-24
申请号：US15231247
申请日：2016-08-08
Applicant: ABB Schweiz AG
Inventor： Esa-Kai Paatero , Juha Lantta
CPC classification number: H02J9/061 , H02J7/0068 , H02M7/04 , H02M7/219 , H02M7/44 , H02M2001/007 , Y02B70/1408
Abstract: A uninterruptable power supply system for supplying an electrical DC load with electric energy from an electrical network comprises an active rectifier connectable to the electrical network for rectifying an AC voltage into a DC voltage, a split DC link to be supplied from the active rectifier, the split DC link comprising two capacitors interconnected in series between a positive output and a negative output of the uninterruptable power supply system, wherein a DC link neutral point is provided between the two capacitors, and a balancing buck/boost converter connected in parallel to the split DC link between the positive output and the negative output and connected via an inductor to the DC link neutral point, such that the buck/boost converter is adapted to balance the two capacitors of the DC link, wherein an unbalance between the two capacitors is generated by one or more electrical DC loads connected between the positive output and the negative output, between the positive output and the DC link neutral point and/or between the negative output and the DC link neutral point.
Abstract translation: 用于从电网向电气DC负载提供电能的不间断电源系统包括可连接到电网的有源整流器，用于将AC电压整流为DC电压，从有源整流器提供的分离DC链路， 分离DC链路，包括串联在不间断电源系统的正输出和负输出之间的两个电容器，其中在两个电容器之间提供DC链路中性点，以及并联连接到分离器的平衡降压/升压转换器 直流链路在正输出和负输出之间并通过电感器连接到DC链路中性点，使得降压/升压转换器适于平衡DC链路的两个电容器，其中产生两个电容器之间的不平衡 通过一个或多个连接在正输出和负输出之间的直流负载，在正输出之间 和直流母线中性点和/或负输出与直流母线中性点之间。
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公开(公告)号：US11757302B2
公开(公告)日：2023-09-12
申请号：US17663548
申请日：2022-05-16
Applicant: ABB Schweiz AG
Inventor： Esa-Kai Paatero , Alessandro Antoniazza , Matteo Cogliati
Abstract: A power supply assembly including a primary source connection, a secondary source connection, a load connection, a primary current supply route, a supply switch system, and a converter system. The supply switch system is electrically located in the primary current supply route, and adapted for disconnecting the primary source connection from the load connection, the supply switch system including a plurality of supply switch units connected in parallel, each of the supply switch units including a controllable semiconductor switch. The power supply assembly includes a series impedance system having at least one series impedance member, and adapted to provide a balancing voltage drop for each of the parallel connected supply switch units of the supply switch system, wherein the balancing voltage drop is in series with a corresponding supply switch unit.
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Patent Agency Ranking
公开(公告)号：US11500033B2
公开(公告)日：2022-11-15
申请号：US16736353
申请日：2020-01-07
Applicant: ABB Schweiz AG
Inventor： Daniel Aggeler , Esa-Kai Paatero , Ivan Furlan , Nicola Notari , Yannick Maret
IPC: G01R31/52 , H02J9/06 , G01R31/385 , G01R31/389
Abstract: The present invention provides a method for detecting a ground fault in a battery of a uninterrupted power supply, the battery includes at least one string with multiple battery cells, the method including the steps of defining multiple individual battery blocks of battery cells along the at least one string, performing an reference impedance measurement for the multiple individual battery blocks at a first point of time, performing a verification impedance measurement for the multiple individual battery blocks at a second point of time, evaluating a change of measured impedance between the reference impedance and the verification impedance for the multiple individual battery blocks of the at least one string, and identifying a ground fault based on a correlated change of measured impedance of the multiple individual battery blocks along the at least one string. The present invention also provides a battery management system for managing a battery of a uninterrupted power supply, which is adapted to perform the above method. The present invention further provides a UPS device and a UPS system, each of which including an above battery management system.
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公开(公告)号：US20220360083A1
公开(公告)日：2022-11-10
申请号：US17755233
申请日：2020-11-06
Applicant: ABB Schweiz AG
Inventor： Esa-Kai Paatero
Abstract: A power supply assembly including a source connection system including a primary source connection, a load connection, a converter system including at least one converter controllable for reactive power compensation, an energy saving transfer route connecting the primary source connection electrically to the load connection, and bypassing the converter system, and a control system. The control system is adapted to provide an efficiency optimization operation including transferring energy through the energy saving transfer route, and controlling the converter system according to an optimal operating scheme that optimizes efficiency of the power supply assembly while keeping reactive power drawn from the source connection system within a required range, wherein the optimal operating scheme defines an optimal combination for the converters used for reactive power compensation such that each of the converters operates in a predetermined optimal efficiency range thereof.
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公开(公告)号：US20220271561A1
公开(公告)日：2022-08-25
申请号：US17651371
申请日：2022-02-16
Applicant: ABB Schweiz AG
Inventor： Esa-Kai Paatero
Abstract: A power supply assembly including an alternating current primary source connection, a direct current secondary source connection, an alternating current load connection, a DC link, a direct-current converter connected electrically between the secondary source connection and the DC link, and a load supply converter connected electrically between the DC link and the load connection. The power supply assembly includes a trickle charger converter connected electrically between at least one alternating current connection and the secondary source connection, a nominal power of the trickle charger converter being less than nominal powers of the direct-current converter and the load supply converter.
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公开(公告)号：US20190356159A1
公开(公告)日：2019-11-21
申请号：US16404127
申请日：2019-05-06
Applicant: ABB Schweiz AG
Inventor： Antonio Coccia , Esa-Kai Paatero
Abstract: The present application provides a rack-mounted UPS device for power supply of a load including multiple data processing devices, which can be inserted as load enclosures into a common UPS rack, the rack-mounted UPS device including at least one primary converter, which is connected between an AC source and a high voltage DC bus, whereby the primary converter is configured to operate in boost mode providing high voltage DC power output to the high voltage DC bus, at least one secondary converter, which is connected between a DC source and the high voltage DC bus, whereby the secondary converter is configured to operate in boost mode providing high voltage DC power output to the high voltage DC bus, at least one load supply converter, which is connected between the high voltage DC bus and an internal power distribution bus to provide at least one low level DC output voltage to the internal power distribution bus, whereby the at least one primary converter, the at least one secondary converter, and the at least one load supply converter are mounted in the UPS rack, and the UPS rack includes multiple insertion slots for receiving the load enclosures comprising the data processing devices.
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公开(公告)号：US10045456B2
公开(公告)日：2018-08-07
申请号：US15247310
申请日：2016-08-25
Applicant: ABB Schweiz AG
Inventor： Esa-Kai Paatero
Abstract: The present disclosure provides a docking frame for receiving at least one uninterrupted power supply module for high power uninterrupted power supply systems. The power supply system includes a bus connection for electrically connecting another uninterrupted power supply module to at least another docking frame and/or an I/O module. The one or more I/O modules, docking frames and uninterrupted power supply modules can be electrically connected in a horizontal arrangement.
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