EP1741172A2 - Vorrichtung zur stromversorgung - Google Patents
Vorrichtung zur stromversorgungInfo
- Publication number
- EP1741172A2 EP1741172A2 EP05736050A EP05736050A EP1741172A2 EP 1741172 A2 EP1741172 A2 EP 1741172A2 EP 05736050 A EP05736050 A EP 05736050A EP 05736050 A EP05736050 A EP 05736050A EP 1741172 A2 EP1741172 A2 EP 1741172A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- power supply
- control unit
- analysis
- components
- supply components
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for DC mains or DC distribution networks
- H02J1/10—Parallel operation of DC sources
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Program control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
- H02J13/12—Monitoring network conditions, e.g. electrical magnitudes or operational status
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
- H02J13/13—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the transmission of data to equipment in the power network
- H02J13/1321—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the transmission of data to equipment in the power network using a wired telecommunication network or a data transmission bus
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for DC mains or DC distribution networks
- H02J1/10—Parallel operation of DC sources
- H02J1/102—Parallel operation of DC sources being switching converters
-
- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/30—State monitoring, e.g. fault, temperature monitoring, insulator monitoring, corona discharge
-
- 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
- Y04S20/20—End-user application control systems
-
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Definitions
- the invention relates to a device for power supply, which has a plurality of power supply components.
- Power supplies are usually operated as standalone devices. They are usually equipped with a simple signaling contact. It can be used to indicate whether the state of the power supply is currently undisturbed or faulty.
- Power supplies typically convert a high voltage level on the input side, for example a 230 V AC voltage or a 400 V AC voltage, to a low voltage level, for example a 24 V DC voltage. This enables consumers such as sensors, electronic controls, valves and pumps to be operated with a suitable voltage without the need for their own power supply for each individual consumer. Such power supplies are widely used, for example, in manufacturing and automation technology.
- the diagnostic unit monitors the power supply on the output side for an impermissible deviation of at least one parameter to be monitored from a comparison value. In the case of an impermissible
- the diagnostic unit records measured values on the input side of the power supply in the time environment of the impermissible deviation in a time window.
- the diagnostic unit then stores the associated measured values in a memory. It is thereby achieved that the deviation of a parameter to be monitored caused by a network-side fault, for example a shortfall the output voltage, can be documented beyond doubt. In this way, an operator of the power supply can be shown that not the power supply, but the higher-level power grid does not meet the specified requirements for operating power supplies. Grid faults on the input and output sides as well as device faults on the power supply can be detected, queried and analyzed quickly and easily with little effort.
- the diagnostic unit has a communication interface for reading out the memory. About these
- the memory can be read out with the measured values and evaluated, for example, on a connected personal computer using suitable software. Remote control is also possible via the communication interface of the diagnostic unit. Online measurement values can be transferred to a connected personal computer and evaluated. There is also the possibility of loading new firmware or new values for the parameters to be monitored into the control unit of the diagnostic unit.
- the object of the invention is to improve the operation of the known power supply.
- Power supply all internal parameters of the power supply can be evaluated, logged, set and controlled. This makes it possible to implement a power supply management that takes into account all internal parameters of the power supply.
- the power supply components are connected to the common analysis and control unit via a concentrator, then the communication channel between the concentrator and the analysis and control unit can advantageously be realized differently than the connections between the power supply components and the concentrator.
- the connections between the power supply components and the concentrator can be a bus implemented using cables, while the concentrator is connected to the analysis and control unit via a wireless communication channel, for example a radio transmission link.
- the analysis and control unit preferably has a memory which is provided for the permanent storage or logging of the status messages relating to the power supply components.
- the stored values are available for a later precise analysis of the power supply device, for example for analysis in the event of a malfunction.
- the power supply components are also each provided with a memory.
- This memory which can be implemented in the form of a ring memory, stores parameters relating to the respective power supply component for the duration of a defined time window and then makes them available when the analysis and control unit is called up.
- FIG. 1 shows a block diagram of a first exemplary embodiment for a device for power supply
- Figure 2 is a block diagram of a second embodiment for a device for power supply.
- FIG. 1 shows a block diagram of a first exemplary embodiment of a device for power supply.
- the device shown has a power supply 1, which contains a plurality of power supply components 2, 3, 4, 5, 6. These power supply components are a basic device 2, a buffer module 3, an uninterruptible power supply module 4, a redundancy module 5 and a diagnostic module 6.
- the basic device 2 is connected to the AC network and provides a regulated DC supply voltage of 24 V on the output side.
- the buffer module 3 serves to bridge brief interruptions in the network.
- the uninterruptible power supply module 4 serves to bridge longer interruptions in the network.
- the redundancy module 5 is activated, for example, in the event of a fault in the basic device 2 or in the event of a high load on the power supply.
- the diagnostic module 6 is used on the output side to monitor the power supply 1 for an impermissible deviation of a parameter to be monitored from a comparison value.
- the basic device 2 has a memory 2a.
- the buffer module 3 is provided with a memory 3a.
- a memory 4a belongs to the uninterruptible power supply module 4.
- the redundancy module 5 is equipped with a memory 5a.
- the diagnostic module 6 contains a memory 6a.
- This bus can be Ethernet, a Profibus, an IEC bus or a CAN bus.
- the interfaces S can also be interfaces to the Internet, GSM interfaces, UMTS interfaces, USB interfaces, radio interfaces or infrared interfaces.
- the external analysis and control unit 7 is preferably a personal computer. This has a keyboard 7a, a processor 7b, a memory 7c and a
- the analysis and control unit 7 receives and analyzes the data of the individual components 2, 3, 4, 5 and 6 of the power supply 1 transmitted via the bus 10.
- the analysis and control unit 7 is therefore always aware of all internal parameters of the power supply 1 informed and consequently able to perform power supply management. It issues command or control signals or control programs which are transmitted via bus 10 to the respective component 2, 3, 4, 5 or 6 of power supply 1 and which influence the mode of operation of the respective component.
- the processor unit 7b ensures that data corresponding to the internal parameters of the power supply 1 are permanently stored or logged in a memory area of the memory 7c, so that they are available for later evaluation if required.
- the processor unit 7b ensures that, in the sense of a power supply monitoring, the display 7d shows, in alphanumeric and / or graphic form, diagrams or tables which give the service personnel of the respective system information about the status of the individual power supply components.
- Examples of status messages which are transmitted from the individual power supply components to the analysis and control unit 7 via the bus 10 are:
- the basic device 2 reports to the analysis and control unit 7 the measured output current and the measured output voltage, information about whether the state of the basic device is faulty or undisturbed, information about whether there is a short-circuit case, information about whether there is an overload case, Information about internal climate parameters of the basic device, for example about the temperature and humidity prevailing there, as well as information about further target and actual values.
- the buffer module 3 reports to the analysis and control unit 7 the current state of charge, information about whether the state of the buffer module is faulty or undisturbed, information about whether the buffer module is currently active, inactive or in the standby state, and further target and actual values.
- the uninterruptible power supply module 4 reports to the analysis and control unit 7 whether the buffering is faulty or undisturbed, whether the module is in use or in standby mode.
- Operation such as the state of charge of the battery, whether a battery replacement is due or not, the remaining buffer time, signals relating to battery protection (deep discharge protection, wire break, reverse polarity, ...) and the duration of the buffer time.
- the redundancy module 5 reports to the analysis and control unit 7 whether the power supply is faulty or undisturbed, whether there is a short circuit, whether there is an overload and whether the total current is too high, which means that redundancy operation is no longer possible.
- the diagnostic module 6 also provides the analysis and control unit 7 with message signals relating to the current operating state and the functionality of the diagnostic module 6.
- the analysis and control unit 7 returns the following control signals to the individual components via the bus 6:
- FIG. 2 shows a block diagram of a second exemplary embodiment for a device for power supply.
- the device shown in FIG. 2 differs from the device shown in FIG. 1 only in that a concentrator 8 is arranged between the power supply components 2, 3, 4, 5, 6 of the power supply 1 and the analysis and control unit 7.
- This concentrator 8 is connected via a bus 10 to the aforementioned power supply components 2, 3, 4, 5, 6.
- the concentrator 8 is connected to the external analysis and control unit 7 via a communication channel 9.
- connection provided between the power supply components and the concentrator 8 are implemented differently than the connections 9 provided between the concentrator 8 and the analysis and control unit 7 could be.
- the connections provided between the power supply components 2, 3, 4, 5, 6 and the concentrator 8 are wired bus lines, while the communication channel 9 between the concentrator 8 and the analysis and control unit 7 is, for example, a radio transmission link or the Internet is. This makes it possible to provide the analysis and control unit 7 at a great distance from the concentrator 8 and thus also at a great distance from the power supply 1.
- a device for power supply according to the present invention accordingly has a plurality of power supply components, each of which has a communication interface. They are connected to an external analysis and control unit directly via this communication interface or via a concentrator. In the sense of online operation, this monitors all parameters of the power supply and changes the operating mode of the power supply, for example, when an error is detected. For example, it controls redundancy, emergency operation or load distribution. The parameters of the individual components of the power supply that are reported as part of online operation are logged in a memory of the analysis and control unit and are available for later detailed analysis of the power supply if required.
- a power supply management system according to the invention increases the availability and the reliability of the entire power supply system and thus also of the automation or manufacturing system in which the power supply system is used.
- the analysis and control unit 7 can also be a programming device, a programmable logic controller or a remote control unit instead of a personal computer.
- a device according to the invention advantageously enables the analysis and control unit 7 to generate control signals on the basis of which the mode of operation of the power supply 1 is switched over or reprogrammed, for example from a power supply mode to a charger mode.
- This switchover can be carried out purely in software or using a switch arranged in the respective power supply component, the switching operation of which is controlled by the analysis and control unit 7.
- Such a switch is indicated by dashed lines in FIGS. 1 and 2 and provided with the reference symbol 2b.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004021380A DE102004021380A1 (de) | 2004-04-30 | 2004-04-30 | Vorrichtung zur Stromversorgung |
| PCT/EP2005/051823 WO2005107035A2 (de) | 2004-04-30 | 2005-04-22 | Vorrichtung zur stromversorgung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1741172A2 true EP1741172A2 (de) | 2007-01-10 |
Family
ID=35064939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05736050A Withdrawn EP1741172A2 (de) | 2004-04-30 | 2005-04-22 | Vorrichtung zur stromversorgung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7631204B2 (de) |
| EP (1) | EP1741172A2 (de) |
| JP (1) | JP2007535888A (de) |
| KR (1) | KR20070010039A (de) |
| CN (1) | CN100481672C (de) |
| DE (1) | DE102004021380A1 (de) |
| WO (1) | WO2005107035A2 (de) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006010385B4 (de) * | 2006-03-03 | 2010-11-25 | Zippy Technology Corp., Hsin-Tien | Verfahren zur Identifikation von Stromversorgungsmodulen |
| US8103389B2 (en) * | 2006-05-18 | 2012-01-24 | Gridpoint, Inc. | Modular energy control system |
| EP2149954B1 (de) * | 2008-07-31 | 2018-09-05 | ABB Schweiz AG | Schnittstellenmodul zur Kommunikation mit einer elektronischen oder einer elektromechanischen Vorrichtung einer Mittelspannungsunterbrechungseinheit |
| DE102009040420A1 (de) | 2009-09-07 | 2011-03-10 | Li-Tec Battery Gmbh | Prozessorgesteuertes Zugangsberechtigungs- und Batteriemanagement für Elektrofahrzeuge |
| TW201119173A (en) * | 2009-11-19 | 2011-06-01 | Zippy Tech Corp | Method of using power supply to execute remote monitoring of an electronic system |
| US8364990B2 (en) * | 2009-12-07 | 2013-01-29 | Zippy Technology Corp. | Remote controlled power supply system |
| CN101776708A (zh) * | 2010-01-20 | 2010-07-14 | 中兴通讯股份有限公司 | 一种多通道电压采集装置及方法 |
| EP2609472A4 (de) * | 2010-08-24 | 2014-04-09 | Tejesh C Makanawala | Intelligente wechselstromtafel |
| DE112012000765A5 (de) | 2011-02-10 | 2013-11-14 | Schaeffler Technologies AG & Co. KG | Reluktanzmotor |
| DE102011001668A1 (de) | 2011-03-28 | 2012-10-04 | Harting Electric Gmbh & Co. Kg | Administrierbares Energienetz mit Datenübertragungsfunktion |
| EP3839742A1 (de) * | 2014-07-09 | 2021-06-23 | Telefonaktiebolaget LM Ericsson (publ) | Verfahren zur diagnose eines stromversorgungsausfalls in einer drahtloskommunikationsvorrichtung |
| DE102015105370A1 (de) | 2015-04-09 | 2016-10-13 | Harting Electric Gmbh & Co. Kg | Anschlussbox und Netzwerk zur Energieverteilung |
| CN105606875A (zh) * | 2016-02-04 | 2016-05-25 | 天津市英贝特航天科技有限公司 | 自适应模拟量采集装置 |
| EP3528064B1 (de) * | 2018-02-15 | 2023-12-06 | Siemens Aktiengesellschaft | Steuerungssystem und zugehöriges verfahren zur inbetriebnahme, steuerung und überwachung für stromversorgungskomponenten |
| KR102464632B1 (ko) * | 2021-11-29 | 2022-11-10 | 인터콘시스템스 주식회사 | 모듈형 구조의 이중화 전원 공급 장치 |
| DE102022130331A1 (de) * | 2022-11-16 | 2024-05-16 | Schneider Electric Industries Sas | Leistungsversorgungsvorrichtung, Leistungsversorgungsverfahren und Leistungsversorgungssystem |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5652893A (en) * | 1994-12-13 | 1997-07-29 | 3Com Corporation | Switching hub intelligent power management |
| US20020191553A1 (en) * | 1999-01-12 | 2002-12-19 | Amir Lehr | Structure cabling system |
| US6643566B1 (en) * | 1999-01-12 | 2003-11-04 | Powerdsine Ltd. | System for power delivery over data communication cabling infrastructure |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05250344A (ja) | 1992-03-06 | 1993-09-28 | Fujitsu Ltd | 監視制御方式 |
| US6377874B1 (en) * | 1994-09-07 | 2002-04-23 | Spd Technologies Inc. | Power distribution system including integrated power node control center |
| US5731688A (en) * | 1996-03-13 | 1998-03-24 | Alaska Power Systems Inc. | Control system and circuits for distributed electrical-power generating stations |
| US5844327A (en) * | 1996-08-21 | 1998-12-01 | Antec Corporation | Apparatus and method for optimizing power distributed in a broadband signal system |
| JP3351326B2 (ja) | 1997-12-11 | 2002-11-25 | 松下電器産業株式会社 | 消費電力管理システム |
| JP3658197B2 (ja) | 1998-07-27 | 2005-06-08 | キヤノン株式会社 | 情報処理装置、ディスプレイ制御装置、ディスプレイ制御方法、及び記憶媒体 |
| JP3897957B2 (ja) * | 2000-03-15 | 2007-03-28 | 三菱電機株式会社 | 電力系統保護制御システム |
| JP2002095072A (ja) | 2000-09-14 | 2002-03-29 | Hitachi Ltd | 機器の制御方法 |
| US20020190576A1 (en) * | 2001-06-15 | 2002-12-19 | Kern Robert D. | Network controller for managing the supply and distribution of electrical power |
| JP2005513614A (ja) * | 2001-12-14 | 2005-05-12 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 無線データ通信バスシステム |
| AU2003217662A1 (en) * | 2002-02-25 | 2003-09-09 | General Electric Company | Protection system for power distribution systems |
| JP2004257955A (ja) | 2003-02-27 | 2004-09-16 | Mitsubishi Electric Corp | 遠隔状態監視システム |
| US7509506B2 (en) * | 2005-06-09 | 2009-03-24 | International Business Machines Corporation | Hierarchical system and method for managing power usage among server data processing systems |
-
2004
- 2004-04-30 DE DE102004021380A patent/DE102004021380A1/de not_active Ceased
-
2005
- 2005-04-22 EP EP05736050A patent/EP1741172A2/de not_active Withdrawn
- 2005-04-22 US US11/587,898 patent/US7631204B2/en active Active
- 2005-04-22 JP JP2007510026A patent/JP2007535888A/ja active Pending
- 2005-04-22 CN CNB2005800138468A patent/CN100481672C/zh not_active Expired - Fee Related
- 2005-04-22 KR KR1020067022678A patent/KR20070010039A/ko not_active Withdrawn
- 2005-04-22 WO PCT/EP2005/051823 patent/WO2005107035A2/de not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5652893A (en) * | 1994-12-13 | 1997-07-29 | 3Com Corporation | Switching hub intelligent power management |
| US20020191553A1 (en) * | 1999-01-12 | 2002-12-19 | Amir Lehr | Structure cabling system |
| US6643566B1 (en) * | 1999-01-12 | 2003-11-04 | Powerdsine Ltd. | System for power delivery over data communication cabling infrastructure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100481672C (zh) | 2009-04-22 |
| KR20070010039A (ko) | 2007-01-19 |
| CN1950983A (zh) | 2007-04-18 |
| DE102004021380A1 (de) | 2005-12-01 |
| WO2005107035A2 (de) | 2005-11-10 |
| WO2005107035A3 (de) | 2006-01-26 |
| JP2007535888A (ja) | 2007-12-06 |
| US7631204B2 (en) | 2009-12-08 |
| US20080086649A1 (en) | 2008-04-10 |
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