DE29902776U1 - Residual current switch with integrated residual current display - Google Patents

Residual current switch with integrated residual current display

Info

Publication number
DE29902776U1
DE29902776U1 DE29902776U DE29902776U DE29902776U1 DE 29902776 U1 DE29902776 U1 DE 29902776U1 DE 29902776 U DE29902776 U DE 29902776U DE 29902776 U DE29902776 U DE 29902776U DE 29902776 U1 DE29902776 U1 DE 29902776U1
Authority
DE
Germany
Prior art keywords
residual current
integrated
current
switch
residual
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.)
Expired - Lifetime
Application number
DE29902776U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HARBECKE HERBERT DIPL ING
Original Assignee
HARBECKE HERBERT DIPL ING
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 HARBECKE HERBERT DIPL ING filed Critical HARBECKE HERBERT DIPL ING
Priority to DE29902776U priority Critical patent/DE29902776U1/en
Publication of DE29902776U1 publication Critical patent/DE29902776U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H02H3/042—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned combined with means for locating the fault
    • 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
    • H02H3/26—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 responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers

Landscapes

  • Keying Circuit Devices (AREA)

Description

Anlage 2: Beschreibung Herbert HarbeckeAppendix 2: Description Herbert Harbecke

Albersburg 31 32457 Porta WestfalicaAlbersburg 31 32457 Porta Westfalica

Fehlerstromschalter mit integrierter Fehlerstromanzeige,Residual current switch with integrated residual current indicator,

Übliche Fehlerstromschalter lassen vorhandene Fehlerströme unterhalb der Auslösegrenze nicht erkennen. Viele Geräte verursachen jedoch geringfiigige Fehlerströme, die in der Summe sporadisch zur Auslösung des Fehlerstromschalters führen können.Conventional residual current devices do not detect existing residual currents below the tripping limit. However, many devices cause small residual currents, which in total can sporadically trigger the residual current device.

Das Problem ist in solchen Fällen die eindeutige Identifizierung der Fehlerquelle und im besonderen die Feststellung erhöhter Fehlerströme von Geräten, z.B. durch Verschmutzung.The problem in such cases is the clear identification of the source of the error and, in particular, the detection of increased fault currents in devices, e.g. due to contamination.

Die Lösung dieses Problems wird durch die Anzeige des aktuellen Fehlerstromes erreicht. Durch Ein- und Ausschalten von Geräten oder Stromkreisen und Beobachtung der Fehlerstromanzeige ist es leicht möglich, Fehlerquellen zu lokalisieren.The solution to this problem is achieved by displaying the current fault current. By switching devices or circuits on and off and observing the fault current display, it is easy to locate sources of faults.

Die permanente Anzeige des aktuellen Fehlerstromes erlaubt jederzeit eine schnelle Kontrolle und läßt besonders bei den, fur bestimmte Räumlichkeiten vorgeschriebenen 30 mA-Fehlerstromschaltern mögliche Auslösungen erkennen.The permanent display of the current residual current allows a quick check at any time and allows possible triggering to be identified, particularly in the case of the 30 mA residual current devices required for certain rooms.

Durch die Fehlerstromanzeige sind keine zusätzlichen Anschlüsse und höchstens veränderte Bauformen in der Tiefe erforderlich. Somit ist auch der Austausch von Geräten unproblematisch.Thanks to the residual current indicator, no additional connections are required and at most a change in the depth of the design is required. This also makes replacing devices unproblematic.

Eine elektronische Meßverstärkerschaltung innerhalb des Fehlerstromschalters, versorgt durch die im Fehlerstromschalter zur Verfugung stehende Spannung, mißt die zur Auslösung führende Stromdifferenz (Fehlerstrom ) und stellt das Meßsignal einer im Gerät integrierten optischen Anzeige zur Verfügung.An electronic measuring amplifier circuit within the residual current device, supplied by the voltage available in the residual current device, measures the current difference (fault current) leading to the tripping and makes the measuring signal available to an optical display integrated in the device.

Zusätzlich oder alternativ kann das Signal auch auf Meßbuchsen oder einer RS232-Schnittstelle o.a. zur Verfugung gestellt werden. Dies würde auch eine Fern- oder Langzeitüberwachung erlauben.Additionally or alternatively, the signal can also be made available on measuring sockets or an RS232 interface or others. This would also allow remote or long-term monitoring.

Claims (1)

Anlage 1: Schutzanspruch Herbert Harbecke Albersburg 31 32457 Porta WestfalicaAnnex 1: Claim for protection Herbert Harbecke Albersburg 31 32457 Porta Westfalica 1. Fehlerstromschalter mit integrierter Fehlerstromanzeige,1. Residual current switch with integrated residual current indicator, dadurch gekennzeichnet,characterized, daß ein elektronischer Meßverstärker innerhalb des Fehlerstromschalters ein Signal zur Verfugung stellt, daß den aktuellen Fehlerstrom repräsentiert und dieses Signal optisch angezeigt oder meßbar macht.that an electronic measuring amplifier within the residual current device provides a signal that represents the current residual current and makes this signal optically displayed or measurable.
DE29902776U 1999-02-17 1999-02-17 Residual current switch with integrated residual current display Expired - Lifetime DE29902776U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29902776U DE29902776U1 (en) 1999-02-17 1999-02-17 Residual current switch with integrated residual current display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29902776U DE29902776U1 (en) 1999-02-17 1999-02-17 Residual current switch with integrated residual current display

Publications (1)

Publication Number Publication Date
DE29902776U1 true DE29902776U1 (en) 1999-05-06

Family

ID=8069497

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29902776U Expired - Lifetime DE29902776U1 (en) 1999-02-17 1999-02-17 Residual current switch with integrated residual current display

Country Status (1)

Country Link
DE (1) DE29902776U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8390465B2 (en) 2008-06-18 2013-03-05 Moeller Gebaudeautomation Gmbh Residual-current circuit breaker
US8692680B2 (en) 2008-06-18 2014-04-08 Moeller Geräudeautomation GmbH Residual-current circuit breaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8390465B2 (en) 2008-06-18 2013-03-05 Moeller Gebaudeautomation Gmbh Residual-current circuit breaker
US8692680B2 (en) 2008-06-18 2014-04-08 Moeller Geräudeautomation GmbH Residual-current circuit breaker

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Legal Events

Date Code Title Description
R086 Non-binding declaration of licensing interest
R207 Utility model specification

Effective date: 19990617

R156 Lapse of ip right after 3 years

Effective date: 20020829