CN107112795B - 模块化不间断电源和电力分布系统 - Google Patents

模块化不间断电源和电力分布系统 Download PDF

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CN107112795B
CN107112795B CN201580067905.3A CN201580067905A CN107112795B CN 107112795 B CN107112795 B CN 107112795B CN 201580067905 A CN201580067905 A CN 201580067905A CN 107112795 B CN107112795 B CN 107112795B
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elongated
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CN107112795A (zh
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S·J·戴维斯
T·J·奥弗贝格
D·G·温莎
S·A·库特
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Eaton Intelligent Power Ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/362—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
    • H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof

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Abstract

一种系统包含转换器单元和电力分布单元PDU，所述PDU具有至少一个电源插座、经配置以耦合到AC电源的第一电力端口和耦合到所述转换器单元的第二电力端口。所述PDU进一步经配置以选择性地从所述第一和第二电力端口将电力提供到所述至少一个插座。所述PDU可包含具有细长围封体的电力插排和所述围封体的表面处的多个插孔，且所述转换器可包含通过电力缆线和通信缆线耦合到所述电力插排的可安装在机架上的转换器单元。所述可安装在机架上的转换器单元可包含反相器和电池。

Description

模块化不间断电源和电力分布系统
背景技术
本发明标的物涉及电源系统，且更确切地说涉及不间断电源系统。
不间断电源(UPS)常用以为计算机和其它电子设备提供冗余电力。在一些应用中，举例来说，数据中心中使用的设备机架可具有安装在其中的UPS。UPS可经配置以从主要源(例如实用源)和备用源(例如电池)接收电力，且可选择性地在其电力输出处从两个输入源提供电力。UPS的电力输出可耦合到附接到机架的电力插排形电力分布单元(PDU)。安装在机架中的计算机和其它电子设备可插塞到PDU的电源插座，且因此具备不间断的电力。
发明内容
根据一些实施例，一种系统包含转换器单元和电力分布单元(PDU)，所述PDU具有至少一个电源插座、经配置以耦合到AC电源的第一电力端口和耦合到转换器单元的第二电力端口。PDU进一步经配置以选择性地从所述第一和第二电力端口将电力提供到所述至少一个插座。
在一些实施例中，PDU可包含：内部电力总线，其耦合到所述至少一个插座；第一开关，其经配置以耦合和解耦内部电力总线和第一电力端口；第二开关，其经配置以耦合和解耦内部电力总线和第二电力端口；以及控制电路，其经配置以控制第一和第二开关。PDU的控制电路可经配置以控制第一和第二开关以选择性地从第一和第二电力端口将电力提供到所述至少一个插座。
在一些实施例中，PDU可包含具有细长围封体的电力插排和所述围封体的表面处的多个插孔。转换器可包含可安装在机架上的转换器单元，其通过电力缆线和通信缆线耦合到电力插排。可安装在机架上的转换器单元可包含逆变器和电池。
其它实施例提供一种PDU，包含：内部电力总线；第一电力端口，其经配置以耦合到外部电源；至少一个电源插座，其经配置以耦合到内部电力总线；第一开关，其经配置以耦合和解耦内部电力总线和第一电力端口；第二电力端口，其经配置以耦合到转换器单元；第二开关，其经配置以耦合和解耦内部电力总线和第二电力端口；以及控制电路，其经配置以控制第一和第二开关且与转换器单元的控制电路通信。PDU的控制电路可经配置以控制第一和第二开关以选择性地从外部电源和转换器单元将电力提供到所述至少一个插座。PDU可包含具有细长围封体的电力插排，和围封体的表面处的多个插孔，且可经配置以通过电力缆线和通信缆线耦合到转换器单元。
其它实施例提供一种系统，包含：可安装在机架上的转换器单元；以及PDU，PDU具有细长外壳且包含多个电源插座、经配置以耦合到AC电源的第一电力端口和耦合到转换器单元的第二电力端口。PDU进一步经配置以选择性地从第一和第二电力端口将电力提供到所述多个电源插座。
附图说明
图1为根据本发明标的物的一些实施例的系统的示意图。
图2为根据其它实施例的系统的前视图。
图3是图2的系统的透视图。
具体实施方式
现将参看附图描述本发明标的物的特定示范性实施例。然而，本发明标的物可以许多不同的形式体现，并且不应被解释为限于本文中阐述的实施例；实际上，提供这些实施例是为了使本发明将是透彻且完整的，并且这些实施例将本发明标的物的范围完整地传达给所属领域的技术人员。在图式中，相同的标号指代相同的元件。将理解，当元件被称为“连接”或“耦合”到另一元件时，其可直接连接或耦合到另一元件或可存在介入元件。如本文中所使用，术语“和/或”包含相关联的所列项目中的一或多者的任何和所有组合。
本文中使用的术语仅用于描述特定实施例的目的，且并不希望限制本发明标的物。如本文所使用，单数形式“一”和“所述”既定还包含复数形式，除非另外明确地陈述。将进一步了解到，术语“包含”及/或“包括”当用于本说明书中时指定所陈述的特征、整体、步骤、操作、元件及/或组件的存在，而不排除一或多个其它特征、整体、步骤、操作、元件、组件及/或其群组的存在或添加。
除非另外定义，否则本文中所用的所有术语(包含技术和科学术语)具有与本发明标的物所属领域的一般技术人员通常所理解相同的含义。应进一步理解，术语(例如常用词典中所定义的那些术语)应被解释为具有与其在本说明书的上下文以及相关技术中的含义一致的含义，并且不应在理想化或过分形式化的意义上进行解释，除非在本文中这样明确定义。
图1说明根据本发明标的物的一些实施例的模块化不间断电源(UPS)和电力分布系统。所述系统包含电力分布单元(PDU)110，其被配置成通过电力链路130(例如，电力缆线)和通信链路140(例如，以太网缆线)耦合到电力转换器单元(此处展示为电池和逆变器单元120)。PDU 110包含多个电源插座，此处展示为常规插入式插孔118。然而，应了解，电源插座可采取多种不同形式中的任一者，包含(但不限于)插孔、接线盒、输出线(outputcord)等。
如进一步展示，PDU 110包含经配置以耦合到外部电源(例如，电力分布系统)的第一电力端口111，和经配置以通过电力链路130耦合到电池和逆变器单元120的第二电力端口113。PDU 110进一步包含：第一开关112，其经配置以选择性地将第一电力端口111连接到内部电力总线117；以及第二开关114，其经配置以将第二电力端口113耦合到内部电力总线117。第一和第二开关112、114可能是(例如)接触器、中继器或提供类似功能性的半导体开关。控制电路115经配置以控制第一和第二开关112、114。插座118的相应群组经配置以通过相应开关116耦合到内部电力总线117，相应开关116也可由控制电路115控制。
电池和逆变器单元120包含电力端口121，其被配置成耦合到PDU 110的第二电力端口113。逆变器电路122耦合到电力端口121且耦合到电池124。控制电路126经配置以控制逆变器电路122，且经由通信链路140与PDU 110的控制电路115通信。逆变器电路122和电池124可定位在共同围封体或其它集成组合件中，或可包含在单独电互连的组合件中。
PDU 110的控制电路115以及电池和逆变器单元120的控制电路126经配置以控制PDU 110以及电池和逆变器单元120的组件以提供用于耦合到插孔118的负载的不间断电源操作。确切地说，响应于耦合到第一电力端口111的外部电源的故障，PDU 110的控制电路115可闭合第二开关114以将逆变器电路122耦合到PDU 110的内部电力总线117，使得逆变器和电池模块120的逆变器电路122可从电池124将电力提供到插座118。当从逆变器电路122对插孔118供电时，PDU 110的控制电路115可断开第一开关112以防止到耦合到PDU 110的第一电力端口的外部电力分布系统的反向馈电。PDU 110的控制电路115可进一步经配置以在正常操作期间(例如，耦合到第一电力端口111的外部电源存在且第一开关112闭合时)闭合第二开关114，以启用逆变器电路122来对电池124充电。电池和逆变器单元120还可经配置为热插拔的，例如，PDU 110的第二开关114可用于将负载与电池和逆变器单元120隔离以允许更换，而不影响负载的操作。控制电路115、126可经配置以经由通信链路140彼此通信来支持此类操作。
本发明标的物的一些实施例可有利地在数据中心应用中采用。图2和3说明PDU210以及电池和逆变器单元220，其经配置以安装在设备机架中，例如数据中心中常用以容纳服务器及其它数据处理和通信设备的设备机架。如所展示，PDU 210被配置为经配置成垂直安装在机架中的具有细长围封体的电力插排211，且包含安装在机架上的设备的电力线可连接到的多个插孔212。电池和逆变器单元220被配置为具有外壳的机架安放模块221，其经配置以按照类似于服务器模块或其它机架安放设备的方式水平地安装在机架中。
PDU 210以及电池和逆变器单元220通过电力缆线230和通信缆线240耦合。电力缆线230可固定地连接到PDU 210以及电池和逆变器单元220中的一或两者，或可以可插拔地连接到所述单元中的一或两者。PDU可在电力缆线输入214处接收外部电力，电力缆线输入214可包含(例如)顶出(knockout)和布线空间用于经配置以与输入电力线的连接器配合的管道或缆线布线或插槽的连接。通信缆线240可固定地连接到PDU 210和/或电池和逆变器单元220，或可以可插拔地使用连接器(例如RJ45以太网连接器)连接到单元中的一或两者。PDU 210以及电池和逆变器单元220可包含分别沿着图1的PDU 110以及电池和逆变器单元120的线的电路，且可具有类似功能性。
本发明标的物的实施例可提供若干有利的特征。如上文参看图1-3所描述的系统可提供相对小占用面积中的优良高效的电力保护，同时提供数据中心的高度功能性和可靠性。此类系统可用于提供系统中的N+1冗余(其中耦合到系统的外部电源已经由UPS保护)，且可选择性地部署在其中不同居住者需要不同水平的电力安全性的多居住者数据中心中。
图式和说明书中，已经揭示本发明标的物的示范性实施例。虽然采用特定术语，但是它们仅以一般和描述性意义来使用，而没有限制的目的，本发明标的物的范围由所附权利要求书定义。

Claims (5)

1.一种模块化不间断电源系统，其包括：
转换器单元，其包括：
转换器单元外壳；
设置在所述转换器单元外壳中的逆变器电路；以及
设置在所述转换器单元外壳中且配置为控制所述逆变器电路的第一控制电路；以及
电力分布单元，其包括：
具有细长围封体的细长电力插排外壳；
至少一个电源插座，其具有在所述细长电力插排外壳的表面处的多个插孔；
第一电力端口，其由所述细长电力插排外壳支撑，且经配置以耦合到所述细长电力插排外壳外部的电源；
第二电力端口，其由所述细长电力插排外壳支撑，且耦合到所述转换器单元的逆变器电路；
内部电力总线，其设置在所述细长电力插排外壳中，且耦合到所述至少一个电源插座；
第一开关，其设置在所述细长电力插排外壳中，且经配置以耦合和解耦所述内部电力总线和所述第一电力端口；
第二开关，其设置在所述细长电力插排外壳中，且经配置以耦合所述内部电力总线和所述第二电力端口，隔离所述逆变器电路以允许更换，且通过所述内部电力总线连接至所述第一开关；以及
第二控制电路，其设置在所述细长电力插排外壳中，且经配置以控制所述第一和第二开关；
其中，所述转换器单元和所述电力分布单元的所述第一和第二控制电路经配置为通信以支持选择性从所述电源和所述逆变器电路将电力提供到所述至少一个电源插座的所述多个插孔，以及将所述电源通过闭合的第一开关、内部电力总线和闭合的第二开关将电力提供给所述逆变器电路。
2.根据权利要求1所述的模块化不间断电源系统，其中所述转换器单元是通过电力缆线和通信缆线耦合到电力插排的可安装在机架上的转换器单元。
3.根据权利要求1所述的模块化不间断电源系统，其中所述转换器单元还包括耦合到所述逆变器电路的电池。
4.一种电力分布单元，其包括：
具有细长围封体的细长电力插排外壳；
在所述细长电力插排外壳中的内部电力总线；
第一电力端口，其由所述细长电力插排外壳支撑，且经配置以耦合到所述细长电力插排外壳外部的电源；
第二电力端口，其由所述细长电力插排外壳支撑，且经配置以耦合到所述细长电力插排外壳外部的转换器单元的逆变器电路；
至少一个电源插座，其具有在所述细长电力插排外壳的表面处的多个插孔且经配置以耦合到所述内部电力总线；
第一开关，其设置在所述细长电力插排外壳中，且经配置以耦合和解耦所述内部电力总线和所述第一电力端口；
第二开关，其设置在所述细长电力插排外壳中，且经配置以耦合和解耦所述内部电力总线和所述第二电力端口，隔离所述逆变器电路以允许更换，且通过所述内部电力总线连接至所述第一开关；以及
控制电路，其设置在所述细长电力插排外壳中，且经配置以控制所述第一和第二开关且与所述外部的转换器单元的其他控制电路通信，以支持选择性从所述转换器单元的所述逆变器电路和耦合到所述第一电力端口的所述外部的电源将电力提供到所述至少一个电源插座的所述多个插孔，以及将所述电源通过闭合的第一开关、内部电力总线和闭合的第二开关将电力提供给所述逆变器电路。
5.根据权利要求4所述的电力分布单元，其中所述电力分布单元经配置以通过电力缆线和通信缆线耦合到所述外部的转换器单元。
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