WO1998054810A1 - Remote-control monitoring of an electronic overcurrent trip - Google Patents

Remote-control monitoring of an electronic overcurrent trip Download PDF

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Publication number
WO1998054810A1
WO1998054810A1 PCT/DE1998/001521 DE9801521W WO9854810A1 WO 1998054810 A1 WO1998054810 A1 WO 1998054810A1 DE 9801521 W DE9801521 W DE 9801521W WO 9854810 A1 WO9854810 A1 WO 9854810A1
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WO
WIPO (PCT)
Prior art keywords
interface
overcurrent release
data
remote
html format
Prior art date
Application number
PCT/DE1998/001521
Other languages
German (de)
French (fr)
Inventor
Bernd Ette
Andreas Krauss
Hans Rehaag
Andreas Pancke
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to JP50010999A priority Critical patent/JP2001526879A/en
Priority to EP98934855A priority patent/EP0983626A1/en
Publication of WO1998054810A1 publication Critical patent/WO1998054810A1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
    • H02J13/00018—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus using phone lines
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
    • 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
    • H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/006—Calibration or setting of parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • 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
    • Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or 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 an arrangement for the remote-controlled monitoring and influencing of an electronic overcurrent release of an electrical circuit breaker, the overcurrent release having an interface for outputting status reports and for receiving control commands and connecting the interface to a transmission line
  • the invention has for its object to make the care of circuit breakers and overcurrent releases by a central control room much cheaper and technically simpler.
  • the transmission line is part of a network connecting data processing devices and that the interface of the overcurrent release is set up for the exchange of data in accordance with the TCP / IP protocol series in HTML format.
  • Switch is provided, which enables or blocks a change in Ausioser parameters by means of data transmission via the interface. In this way, access by the manufacturer can be discussed with the operator of the circuit breaker within a tight time frame, thus preventing unauthorized access.
  • encryption algorithms, passwords or similar security features can be used, such as are also used in banking transactions on the Internet.
  • the data processing scope of a page in HTML format is relatively small. This fact can be evaluated within the scope of the invention in such a way that at least one for a memory area of the overcurrent release
  • the HTML page provided is saved. This has the advantage that the amount of data to be transferred can be limited as required. This results in a significant saving of storage space on average compared to the fact that a page required for the largest data record is used. It also has an advantageous effect if the memory area mentioned is designed to be readable and writable for calling up and storing at least one HTML page. In this case, the operator and manufacturer or maintenance service of the circuit breaker can store or replace customized HTML pages in the overcurrent release.
  • the figure shows a circuit breaker LSI, a further circuit breaker LS2 and, with the omission of the immediately following order numbers, a further circuit breaker LSn.
  • Each of these circuit breakers has an overcurrent release Ul, U2 or Un, which is equipped with an interface Sl, S2, Sn.
  • the circuit breakers LSI, LS2 and LSn are connected to networks NW1, NW2, which are formed by local sections of the Internet.
  • NW1 and NW2 are spatially far apart and can be located on different continents, for example.
  • they are connected via antennas AI and A2 to a satellite S, which ensures the constant availability of the connection.
  • Modem cards enable data exchange between a public telephone network that is accessible everywhere and the Internet.
  • the case is considered that an operator of circuit breakers would like to commission the manufacturer to check the associated overcurrent release and to modify the setting of parameters, if this appears necessary.
  • This can be done by the operator sending the manufacturer a written, telephone or transmitted message via the network NW1 or NW2.
  • the operator specifies the period of time during which the maintenance work is to be carried out or agrees to make the overcurrent release accessible for data transmission via the network NW1 or NW2 at a certain time on request.
  • the manufacturer now uses his data processing device, e.g. B. PCI, in the same way by entering an Internet address contact with the electrical system of the operator, as is the case with other information and data services on the Internet.
  • the manufacturer By selecting the relevant overcurrent release Ul, U2 etc., the manufacturer now receives a screen display of the registered processes.
  • the scope of this registration depends on the requirements of the operator and / or the manufacturer and requires the overcurrent release to be equipped with a data memory. Data of interest in the present context can in particular be tripping with indication of the overcurrent.
  • the manufacturer can in the data processing device Data stored in PCI or an external database DB determine whether the trips are within a predetermined range or whether it is expedient to set changed trip parameters, taking into account the configuration of the operator's system. If this results, the
  • the overcurrent release Ul can be set directly by transferring a changed set of parameters.
  • the operator can carry out the
  • Maintenance work on the data processing device PCI appears, is preferably at least one page in HTML format, which is stored in a memory area of the selected overcurrent release, such as memory area SP1 in the overcurrent release U1 of the circuit breaker LSI.
  • This HTML page forms the framework and the user interface for reading and changing data. It can be provided that the user of the circuit breaker himself provides the HTML page and thus specifies which data is accessible as part of the maintenance.
  • such a configuration can also be selected that the manufacturer of the circuit breaker or the commissioned maintenance service provides the HTML page and, if necessary, exchanges or changes in the course of the maintenance work. This is because of it possible that the memory area is writable and the write mode is enabled or can be enabled by password transmission.

Abstract

The invention relates to a device for the remote-control monitoring and influencing of an electronic overcurrent trip of a circuit breaker. Said device comprises an interface (S1, S2, Sn) for emitting status messages and receiving control commands as well as a transmission line which forms part of a network (NW1, NW2) linking data processing units (PC1, PC2). The interface (S1, S2, Sn) of the overcurrent trip (U1, U2, Un) is configured in an HTML format for the exchange of data in accordance with the TCP/IP protocol series.

Description

Beschreibungdescription
Ferngesteuerte Überwachung eines elektronischen Uberstrom- auεlόsersRemote control of an electronic overcurrent release
Die Erfindung betrifft eine Anordnung zur ferngesteuerten Überwachung und Beeinflussung eines elektronischen Überstrom- auslösers eines elektrischen eistungsschalters , wobei der Überstromausloser eine Schnittstelle zur Ausgabe von Zustandsmeldungen und zum Empfang von Steuerbefehlen besitzt und die Schnittstelle mit einer Ubertragungsle tung verbandenThe invention relates to an arrangement for the remote-controlled monitoring and influencing of an electronic overcurrent release of an electrical circuit breaker, the overcurrent release having an interface for outputting status reports and for receiving control commands and connecting the interface to a transmission line
Anordnungen der genannten Art sind in der verschiedenen Ausführungen bekanntgeworden. Als Beispiele wird auf folgende Patentdokumente verwiesen: DE 31 22 109 C2 , US 3 918 566 A und US 5 373 412 A. Auf der Ubertragungsleitung kommen bei diesen Anordnungen spezielle Protokolle der Datenübertragung zur Anwendung. Soweit es sich dabei nicht um spezielle lokale Netze handelt, kann die Datenübertragung auch über Energieleitungen erfolgen, wenn die betreffende Anordnung zur Fernsteuerung von Abnehmerschaltern durch die zentrale astverteilung eines Energieversorgungsunternehmenε erfolgen soll.Arrangements of the type mentioned have become known in the various versions. As examples, reference is made to the following patent documents: DE 31 22 109 C2, US 3 918 566 A and US 5 373 412 A. Special protocols for data transmission are used on the transmission line in these arrangements. Insofar as these are not special local networks, the data can also be transmitted via power lines if the arrangement in question for remote control of customer switches is to be carried out by the central branch distribution of an energy supply company.
In der Praxis handelt es sich jedoch nicht nur darum, die Überstromausloser von Leistungsschaltern mit einer zentralen Warte zu verbinden, sondern auch eine zentrale Überwachung und Fernbedienung von Leistungsschaltern und zugehöriger. Überstromauslösern durch den Hersteller zu ermöglichen. Diese Vorgange sind mit Hilfe der bisher verfügbaren Anordnungen nur mit großen Aufwand erfüllbar, weil entweder ein eigenesIn practice, however, it is not only a question of connecting the overcurrent releases of circuit breakers to a central control room, but also of central monitoring and remote control of circuit breakers and the associated ones. To enable overcurrent releases by the manufacturer. These operations are based on the arrangements available so far can only be achieved with great effort, because either your own
Datennetz zur Verbindung der einzelnen Leistungsschalter mit dem Hersteller der Schaltgeräte errichtet oder wenigstens eine mehrfache Umsetzung von Datenformaten vorgenommen werden muß. Der Erfindung liegt die Aufgabe zugrunde, die Betreuung von Leistungsschaltern und Überstromauslösern durch eine zentrale Warte wesentlich kostengünstiger und technisch einfacher zu gestalten.Data network to connect the individual circuit breakers with the manufacturer of the switching devices or at least a multiple conversion of data formats must be carried out. The invention has for its object to make the care of circuit breakers and overcurrent releases by a central control room much cheaper and technically simpler.
Diese Aufgabe wird gemäß der Erfindung dadurch gelöst, daß die Ubertragungsleitung Bestandteil eines Datenverarbeitungs- geräte verbindenden Netzwerkes ist und daß die Schnittstelle des Überstromauslösers für den Austausch von Daten gemäß der TCP/IP-Protokollreihe im HTML- Format eingerichtet ist. Damit entfällt die bisherige Einrichtung spezieller Femsteuerungs- Bussysteme (z.B. Profibus o.a.)This object is achieved according to the invention in that the transmission line is part of a network connecting data processing devices and that the interface of the overcurrent release is set up for the exchange of data in accordance with the TCP / IP protocol series in HTML format. This eliminates the need to set up special remote control bus systems (e.g. Profibus or similar).
Die Datenübertragung mittels der TCP/IP-Protokollreihe ist zur Verbindung von Computern (PC) im weltweiten Rahmen über das Internet eingeführt. Dies bedeutet, daß an beliebigen Stellen der Erde befindliche PC-artige Datenverarbeitungs- geräte auch unterschiedlicher Systeme miteinander zwecks Datenaustausches in Verbindung gebracht werden können. Das hierbei eingesetzte HTML-Format gestattet dabei eine direkte Ein- und Ausgabe von Informationen bzw. Daten unterData transmission using the TCP / IP protocol series has been introduced for connecting computers (PCs) worldwide via the Internet. This means that PC-type data processing devices from different systems located anywhere in the world can also be connected to one another for the purpose of data exchange. The HTML format used here allows direct input and output of information or data under
Heranziehung weiterer Datenquellen oder Datenbanken, geich- gültig, ob diese mit dem betreffenden Datenverarbeitungsgerät direkt oder über das Internet verbunden sind.Use of other data sources or databases, regardless of whether they are connected to the relevant data processing device directly or via the Internet.
Die Benutzung einer Datenübertragung nach der TCP/IP-Protokollreihe über eine Internetverbindung ermöglicht es, beispielsweise dem Hersteller eines Leistungsschalters, aufThe use of data transmission according to the TCP / IP protocol series via an Internet connection enables for example, the manufacturer of a circuit breaker
Anforderung einen an beliebiger Stelle der Erde befindlichenRequire one anywhere in the world
Leistungsschalter durch Abfrage seines elektronischenCircuit breaker by querying its electronic
Uberstromauslösers zu untersuchen und diesem im Bedarfsfall Befehle, Daten oder veränderte Parameter zu übermitteln.Overcurrent release to be examined and, if necessary, to transmit commands, data or changed parameters.
Trotz des hierdurch ermöglichten weltweiten Zugriffes auf dieDespite the global access to the
Eigenschaften der Überstromausloser von Leistungsschaltern kann dafür gesorgt sein, daß keine gefahrbringenden oder unerlaubten Zugriffe erfolgen. Im einfachsten Fall kann dies dadurch gescnehen, daß der Überstromausloser mit einemProperties of the overcurrent release of circuit breakers can ensure that there is no dangerous or unauthorized access. In the simplest case, this can be seen in that the overcurrent release with a
Schalter versehen ist, der eine Veränderung von Ausioser- parametern mittels Datenübertragung über die Schnittstelle freigibt, bzw. sperrt. Auf diese Weise kann der Zugriff durch den Hersteller in einem engen zeitlichen Rahmen mit dem Betreiber des Leistungsschalters abgesprochen werden und somit anschließend ein unerlaubter Zugriff ausgeschlossen ist. Im Übrigen können Verschlusselungsalgorythmen, Paßwörter oder ähnliche Sicherheitsmerkmaie zum Einsatz kommen, wie sie beispielsweise auch bei Bankgeschäften im Internet Denutzt werden.Switch is provided, which enables or blocks a change in Ausioser parameters by means of data transmission via the interface. In this way, access by the manufacturer can be discussed with the operator of the circuit breaker within a tight time frame, thus preventing unauthorized access. Incidentally, encryption algorithms, passwords or similar security features can be used, such as are also used in banking transactions on the Internet.
Der datentechnische Umfang einer Seite im HTML-Format ist verhältnismäßig klein. Diese Tatsache kann im Rahmen der Erfindung in der Weise ausgewertet werden, daß m einem Speicherbereich des Uberstromauslösers wenigstens eine zurThe data processing scope of a page in HTML format is relatively small. This fact can be evaluated within the scope of the invention in such a way that at least one for a memory area of the overcurrent release
Abfrage bereitgehaltene HTML-Seite gespeichert ist. Dies hat den Vorteil, daß der Umfang zu übertragender Daten bedarfsgerecht beschränkt werden kann. Hierdurch wird durchschnittlich eine bedeutende Einsparung von Speicherplatz erreicht, verglichen damit, daß grundsätzlich eine für den größten anfallenden Datensatz benotigte Seite benutzt wird. Ferner wirkt es sich als vorteilhaft aus, wenn der genannte Speicherbereich zum Abruf und zur Ablage wenigstens einer HTML-Seite lesbar und beschreibbar ausgebildet ist. In diesem Fall können sowohl Betreiber und Hersteller bzw. Wartungs- dienst des Leistungschalters angepaßte HTML-Seiten im Überstromausloser hinterlegen oder ersetzen.The HTML page provided is saved. This has the advantage that the amount of data to be transferred can be limited as required. This results in a significant saving of storage space on average compared to the fact that a page required for the largest data record is used. It also has an advantageous effect if the memory area mentioned is designed to be readable and writable for calling up and storing at least one HTML page. In this case, the operator and manufacturer or maintenance service of the circuit breaker can store or replace customized HTML pages in the overcurrent release.
Die Erfindung wird im folgenden anhand des in der Figur dargestellten Ausführungsbeispieles näher erläutert.The invention is explained below with reference to the embodiment shown in the figure.
Die Figur zeigt aus einer großen Anzahl von Leistungsschaltern einen Leistungsschalter LSI, einen weiteren Leistungsschalter LS2 sowie unter Auslassung der unmittelbar folgenden Ordnungsnummern einen weiteren Leistungsschalter LSn. Jeder dieser Leistungsschalter besitzt einen Überstromausloser Ul, U2 bzw. Un, der mit einer Schnittstelle Sl, S2 , Sn ausgerüstet ist. Mittels dieser Schnittstellen sind die Leistungsschalter LSI, LS2 und LSn mit Netzwerken NWl, NW2 verbunden, die durch örtliche Abschnitte des Internet gebildet sind. In der Figur ist angedeutet, daß die Teile des Netzwerkes NWl und NW2 räumlich weit auseinanderliegen und sich beispielsweise auf unterschiedlichen Kontinenten befinden können. Sie stehen in dem gezeigten Beispiel über Antennen AI und A2 mit einen Satelliten S in Verbindung, der für die ständige Verfügbarkeit der Verbindung sorgt.From a large number of circuit breakers, the figure shows a circuit breaker LSI, a further circuit breaker LS2 and, with the omission of the immediately following order numbers, a further circuit breaker LSn. Each of these circuit breakers has an overcurrent release Ul, U2 or Un, which is equipped with an interface Sl, S2, Sn. By means of these interfaces, the circuit breakers LSI, LS2 and LSn are connected to networks NW1, NW2, which are formed by local sections of the Internet. In the figure it is indicated that the parts of the network NW1 and NW2 are spatially far apart and can be located on different continents, for example. In the example shown, they are connected via antennas AI and A2 to a satellite S, which ensures the constant availability of the connection.
Mit dem Netzwerk NWl und NW2 stehen in beliebiger Anzahl Datenverarbeitungsgeräte in der Gestalt von Personalcomputern PCI, PC2 usw. in Verbindung. Dabei kann es sich sowohl umAny number of data processing devices in the form of personal computers PCI, PC2 etc. are connected to the network NW1 and NW2. It can be both
Datenverarbeitungsgeräte der Betreiber der Leistungsschalter LSI, LS2 usw. oder der Hersteller dieser Leistungsschalter handeln. Ein externes Moden M oder eine entsprechende interneData processing equipment of circuit breaker operators LSI, LS2 etc. or the manufacturer of these circuit breakers. An external mode M or a corresponding internal one
Modemkarte ermöglichen dabei den Datenaustausch zwischen einem überall zugänglichen öffentlichen Telefonnetz und dem Internet .Modem cards enable data exchange between a public telephone network that is accessible everywhere and the Internet.
Im folgenden wird der Fall betrachtet, daß ein Betreiber von Leistungsschaltern den Hersteller beauftragen möchte, die zugehörigen Überstromausloser zu prüfen und die Einstellung von Parametern zu modifizieren, falls dies erforderlich erscheint. Dies kann dadurch geschehen, daß der Betreiber dem Hersteller eine schriftliche, telefonische oder über das Netzwerk NWl bzw. NW2 übertragene Mitteilung zukommen läßt. Hierbei spezifiziert der Betreiber den Zeitraum, zu dem die Wartungsarbeiten durchgeführt werden sollen oder erklärt sich bereit, die Überstromausloser auf Anforderung zu einem bestimmten Zeitpunkt zur Datenübertragung über das Netzwerk NWl bzw. NW2 zugänglich zu machen. Der Hersteller nimmt nun mittels seines Datenverarbeitungsgerätes, z. B. PCI, in der gleichen Weise durch Eingabe einer Internet -Adresse Kontakt mit der elektrischen Anlage des Betreibers auf, wie dies bei anderen Informations- und Datendiensten des Internet der Fall ist. Durch Anwahl der betreffenden Überstromausloser Ul, U2 usw. erhält nun der Hersteller eine Bildschirmdarstellung, der registrierten Vorgänge. Der Umfang dieser Registrierung hängt von Anforderungen des Betreibers und/oder des Herstellers ab und erfordert eine entsprechende Ausrüstung des Uberstromauslösers mit einem Datenspeicher. Im vorliegenden Zusammenhang interessierende Daten können insbesondere erfolgte Auslösungen mit der Angabe des Uberstromes sein. Nun kann der Hersteller mittels in dem Datenverarbeitungsgerät PCI oder einer externen Datenbank DB gespeicherten Daten ermitteln, ob die Auslösungen in einem vorgegebenen Rahmen liegen oder ob es unter Berücksichtigung der Konfiguration der Anlage des Betreibers zweckmäßig ist, veränderte Auslöse- parameter einzustellen. Sofern sich dies ergibt kann nun dieIn the following, the case is considered that an operator of circuit breakers would like to commission the manufacturer to check the associated overcurrent release and to modify the setting of parameters, if this appears necessary. This can be done by the operator sending the manufacturer a written, telephone or transmitted message via the network NW1 or NW2. The operator specifies the period of time during which the maintenance work is to be carried out or agrees to make the overcurrent release accessible for data transmission via the network NW1 or NW2 at a certain time on request. The manufacturer now uses his data processing device, e.g. B. PCI, in the same way by entering an Internet address contact with the electrical system of the operator, as is the case with other information and data services on the Internet. By selecting the relevant overcurrent release Ul, U2 etc., the manufacturer now receives a screen display of the registered processes. The scope of this registration depends on the requirements of the operator and / or the manufacturer and requires the overcurrent release to be equipped with a data memory. Data of interest in the present context can in particular be tripping with indication of the overcurrent. Now the manufacturer can in the data processing device Data stored in PCI or an external database DB determine whether the trips are within a predetermined range or whether it is expedient to set changed trip parameters, taking into account the configuration of the operator's system. If this results, the
Einstellung des Uberstromauslösers Ul durch Übertragung eines veränderten Satzes von Parametern direkt vorgenommen werden.The overcurrent release Ul can be set directly by transferring a changed set of parameters.
Zur Sicherheit des Betreibers kann diesem die Vornahme derFor the safety of the operator, the operator can carry out the
Änderung bestätigt oder protokolliert werden, damit der Betreiber anschließend den weiteren Zugang unterbrechen kann, um dadurch weitere Änderungen von Parametern auszuschließen. Umgekehrt kann dem Hersteller der Zugriff weiterhin ermöglicht werden, damit dieser sich von dem Wirksamwerden bzw. der Auswirkung der vorgenommenen Änderungen der eingestellten Parameter überzeugen kann.Changes are confirmed or logged so that the operator can then interrupt further access to exclude further changes to parameters. Conversely, access can still be made possible for the manufacturer so that he can convince himself of the effectiveness or the effect of the changes made to the set parameters.
Die erwähnte Bildschirmdarstellung, die im Rahmen derThe aforementioned screen display, which is part of the
Wartungsarbeiten am Datenverarbeitungsgerät PCI erscheint, ist vorzugsweise wenigstens eine Seite im HTML-Format, die in einem Speicherbereich des angewählten Uberstromauslösers abrufbar gespeichert ist, z.B. Speicherbereich SPl im Überstromausloser Ul des Leistungsschalterε LSI. Diese HTML- Seite bildet den Rahmen und die Benutzeroberfläche zum Lesen und Verändern von Daten. Es kann vorgesehen sein, daß der Benutzer des Leistungsschalters selbst die HTML-Seite bereitstellt und damit vorgibt, welche Daten im Rahmen der Wartung zugänglich sind. Andererseits kann auch eine solche Konfiguration gewählt werden, daß der Hersteller des Leistungsschalters bzw. der beauftragte Wartungsdienst die HTML-Seite bereitstellt und im Verlauf der Wartungsarbeiten bei Bedarf austauscht oder verändert. Dies ist dadurch möglich, daß der Speicherbereich beschreibbar ausgebildet und der Schreibmodus freigegeben bzw. durch Paßwortübertragung freigebbar ist. Maintenance work on the data processing device PCI appears, is preferably at least one page in HTML format, which is stored in a memory area of the selected overcurrent release, such as memory area SP1 in the overcurrent release U1 of the circuit breaker LSI. This HTML page forms the framework and the user interface for reading and changing data. It can be provided that the user of the circuit breaker himself provides the HTML page and thus specifies which data is accessible as part of the maintenance. On the other hand, such a configuration can also be selected that the manufacturer of the circuit breaker or the commissioned maintenance service provides the HTML page and, if necessary, exchanges or changes in the course of the maintenance work. This is because of it possible that the memory area is writable and the write mode is enabled or can be enabled by password transmission.

Claims

Patentansprüche claims
1. Anordnung zur ferngesteuerten Überwachung und Beeinflussung eines elektronischen Uberstromauslösers (Ul, U2 , Un) eines elektrischen Leistungsschalters (LSI, LS2, LSn), wobei der Überstromausloser (Ul, U2 , Un) eine Schnittstelle (Sl, S2, Sn) zur Ausgabe von Zustandsmeldungen und zum Empfang von Steuerbefehlen besitzt und die Schnittstelle (Sl, S2 , Sn) mit einer Übertragungsleitung verbunden ist, d a d u r c h g e k e n n z e i c h n e t , daß die Übertragungsleitung Bestandteil eines Datenverarbeitungsgeräte (PCI, PC2) verbindenden Netzwerkes (NWl, NW2) ist und daß die Schnittstelle (Sl, S2, Sn) des Uberstromauslösers (Ul, U2, Un) für den Austausch von Daten gemäß der TCP/IP-Protokollreihe im HTML-Format eingerichtet ist.1. Arrangement for the remote-controlled monitoring and influencing of an electronic overcurrent release (Ul, U2, Un) of an electrical circuit breaker (LSI, LS2, LSn), the overcurrent release (Ul, U2, Un) being an interface (Sl, S2, Sn) for output status messages and for receiving control commands and the interface (Sl, S2, Sn) is connected to a transmission line, characterized in that the transmission line is part of a network (NW1, NW2) connecting data processing devices (PCI, PC2) and that the interface ( Sl, S2, Sn) of the overcurrent release (Ul, U2, Un) is set up for the exchange of data in accordance with the TCP / IP protocol series in HTML format.
2. Anordnung nach Anspruch 1 , d a d u r c h g e k e n n z e i c h n e t , daß der Überstromausloser (Ul, U2 , Un) einen Schalter aufweist, der eine Veränderung von Auslöseparametern mittels Datenübertragung über die Schnittstelle (Sl, S2, Sn) freigibt bzw. sperrt.2. Arrangement according to claim 1, d a d u r c h g e k e n n z e i c h n e t that the overcurrent release (Ul, U2, Un) has a switch that enables or blocks a change in tripping parameters by means of data transmission via the interface (Sl, S2, Sn).
3. Anordnung nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , daß in einem Speicherbereich (SP1, SP2 , SPn) des Uberstromauslösers (Ul, U2 , Un) wenigstens eine zur Abfrage bereitgehaltene Seite im HTML-Format gespeichert ist. 3. Arrangement according to claim 1, characterized in that in a memory area (SP1, SP2, SPn) of the overcurrent release (Ul, U2, Un) at least one page is available for query in HTML format.
4. Anordnung nach Anspruch 3 , d a d u r c h g e k e n n z e i c h n e t , daß der Speicherbereich (SPl, SP2, SPn) zum Abruf und zur Ablage wenigstens einer Seite im HTML- Format lesbar und beschreibbar ausgebildet ist. 4. Arrangement according to claim 3, so that the memory area (SP1, SP2, SPn) is designed to be readable and writable in HTML format for retrieving and storing at least one page.
PCT/DE1998/001521 1997-05-29 1998-05-28 Remote-control monitoring of an electronic overcurrent trip WO1998054810A1 (en)

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DE19722898A1 (en) 1998-12-10
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