EP4435829B1 - Zusatzmodul zur detektion eines elektrischen fehlers und elektrische schutzanordnung mit einem solchen zusatzmodul zur detektion eines elektrischen fehlers - Google Patents

Zusatzmodul zur detektion eines elektrischen fehlers und elektrische schutzanordnung mit einem solchen zusatzmodul zur detektion eines elektrischen fehlers

Info

Publication number
EP4435829B1
EP4435829B1 EP24163043.3A EP24163043A EP4435829B1 EP 4435829 B1 EP4435829 B1 EP 4435829B1 EP 24163043 A EP24163043 A EP 24163043A EP 4435829 B1 EP4435829 B1 EP 4435829B1
Authority
EP
European Patent Office
Prior art keywords
electrical
fault
connection terminal
output connection
detection module
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.)
Active
Application number
EP24163043.3A
Other languages
English (en)
French (fr)
Other versions
EP4435829A1 (de
Inventor
Vincent KENNEL
Dominique Robert
Stéphane Schall
Julien WICKER
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.)
Hager Electro SAS
Original Assignee
Hager Electro SAS
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 Hager Electro SAS filed Critical Hager Electro SAS
Publication of EP4435829A1 publication Critical patent/EP4435829A1/de
Application granted granted Critical
Publication of EP4435829B1 publication Critical patent/EP4435829B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
    • H01H83/226—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages with differential transformer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • H01H71/0228—Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H2083/201—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other abnormal electrical condition being an arc fault

Definitions

  • the present invention relates to the field of additional modules for detecting an electrical fault and the field of electrical protection assemblies comprising such an additional module for detecting an electrical fault and electrical protection equipment.
  • the invention relates to an electrical protection assembly comprising electrical protection equipment and an additional module for detecting an electrical fault configured to be added to electrical protection equipment to control the triggering of said electrical protection equipment, said electrical protection assembly is characterized in that the additional module for detecting an electrical fault is according to the invention.
  • the additional module for detecting an electrical fault 1 is characterized in that the differential fault measuring toroid 12 is contained in the connection compartment 15 and the electronic unit 14 and, where appropriate, the electric arc fault measuring toroid 13 are arranged in the housing 3 outside the connection compartment 15 ( figure 3 ).
  • the additional module for detecting an electrical fault 1 comprises the toroid for measuring an electric arc fault 13 which is arranged in the housing 3 outside the connection compartment 15 above and next to the toroid for measuring a differential fault 12 ( figures 4 And 7 ).
  • the differential fault measurement torus 12 comprises a first longitudinal axis A1 and the electric arc fault measurement torus 13 comprises a second longitudinal axis A2 and the first longitudinal axis A1 and the second longitudinal axis A2 are not parallel to each other ( figure 3 ).
  • first longitudinal axis A1 and the second longitudinal axis A2 are perpendicular to each other ( figure 3 ).
  • the first electrical line 6 comprises two electrical conductors connected to each other, namely a first electrical conductor 34 which passes through the differential fault measurement core 12 and a second conductor electrical conductor 35 which passes through the measuring torus of an electric arc fault 13.
  • the orthogonality of the first longitudinal axis A1 and the second longitudinal axis A2 makes it possible to facilitate and allow the connection preferably by welding of the first electrical conductor 34 to the second electrical conductor 35.
  • first longitudinal axis A1 and the second longitudinal axis A2 are parallel to each other.
  • This configuration makes it easier to pass the first electrical line 6 and the second electrical line 9 through the differential fault measurement toroid 12 and to pass the first electrical line 6 through an electric arc fault measurement toroid 13.
  • the housing 3 in modular format comprises a first housing part 16 called fixed ( figures 1 to 4 And 8 ) and a second part of the housing 17 called mobile ( figures 1 to 8 ) configured to be slidably mounted in the first housing part 16 in a mounted state S1 ( figures 1 to 4 And 8 ).
  • the first housing part 16 comprises at least one trigger unit 18 and preferably the lock 31 and in a disassembled state S2 ( figures 5 to 7 ) of the first housing part 16 relative to the second housing part 17, the second housing part 17 comprises at least the first output connection terminal 4, the second output connection terminal 5, the first electrical line 6, the second electrical line 9, the differential fault measurement toroid 12, optionally the electric arc fault measurement toroid 13, the electronic unit 14 and the connection compartment 15.
  • this configuration of the housing 3 in two parts with a second housing part 17 forming a drawer makes it possible to facilitate the assembly phase of the additional module for detecting an electrical fault 1 and therefore to facilitate the manufacturing process of the additional module for detecting an electrical fault 1.
  • this configuration allows backward compatibility with existing electrical protection devices 2.
  • This so-called drawer configuration makes it possible to obtain a sub-assembly arranged and isolated in the second part of the housing 17 on which it is possible to carry out tests, for example a dielectric test or a test of the electronic unit 14.
  • the electronic unit 14 comprises a diagnostic connector (not shown).
  • this diagnostic connector is configured to be accessible from the outside of the second housing part 17 through one or more, for example eight, openings 36 provided in the second housing part 17 in the disassembled state S2, and to be inaccessible in the assembled state S1 because the diagnostic connector and the openings 36 are covered by a portion of the first housing part 16. This configuration makes it possible to avoid having to use a cover-type insert to cover the diagnostic connector.
  • the modular format housing 3 has a generally parallelepiped shape with two main faces, respectively a first left main face 19 and a first right main face 20, and first lateral faces extending from one to the other of the main faces, namely a first rear face 21, a first front face 22, a first lower face 23 and a first upper face 24,
  • the width of the additional module for detecting an electrical fault 1 corresponding to the modular distance dm between the first left main face 19 and the first right main face 20 corresponds to a multiple of a standardized value, called module, the value of which is substantially equal to 18 millimeters
  • the first output connection terminal 4 and the second output connection terminal 5 preferably opening out of a portion of the first front face 22 located on the side of the first lower face 23 ( figure 1 ).
  • the additional module for detecting an electrical fault 1 has a modular format preferably with a modular distance dm preferably equal to one module, i.e. approximately 18 millimeters, which makes it possible to limit the size, particularly in an electrical panel in which it is intended to be installed.
  • connection compartment 15 is delimited by the first lower face 23, by a part of the first front face 22 located on the side of the first lower face 23 from which the first output connection terminal 4 and the second output connection terminal 5 open, by a part of the first rear face 21 located on the side of the first lower face 23, by a part of the first left main face 19 located on the side of the first lower face 23 and by a part of the first right main face 20 located on the side of the first lower face 23 and the differential fault measuring torus 12 is arranged at the rear of the first output connection terminal 4 and the second output connection terminal 5, between the latter and said part of the first rear face 21.
  • connection compartment 15 is located at the lower end of the housing 3 and, where appropriate, at the lower end of the second housing part 17.
  • the first output connection terminal 4 and the second output connection terminal 5 each comprise a screw cage 25, 26 comprising a cage 25 and a screw 26 and the differential fault measurement core 12 is arranged between the two cages 25, 26 and said part of the first rear face 21.
  • the first electrical line 6 comprises at least the first electrical conductor 34 connected where appropriate to the second electrical conductor 35 which have a first length L1 of between 68 millimeters and 115 millimeters.
  • the second electrical line 9 comprises at least a third electrical conductor and which has a second length L2 of between 77 millimeters and 94 millimeters.
  • the first and second lengths L1, L2 respectively of the first electrical line 6 and of the second electrical line 9 can be reduced relative to the known prior art, which thus advantageously makes it possible to further reduce the dissipated powers.
  • connection compartment 15 comprises a separating wall 27 arranged at the rear of the first output connection terminal 4 and the second output connection terminal 5, between the latter and the differential fault measurement core 12.
  • the separating wall 27 allows electrical insulation between the differential fault measurement core 12 and, on the one hand, the first output connection terminal 4 and, on the other hand, the second output connection terminal 5 ( figures 3 to 4 And 6 to 8 ).
  • the electronic unit 14 comprises a single folded electronic card comprising a plurality of panels made of rigid material connected by flexible zones made of flexible material.
  • This advantageous configuration makes it possible to integrate the electronic components while minimizing the loss of space that would result from the use of inter-card connectors in the case (not shown) in which the electronic unit 14 would comprise several electronic cards.
  • the electronic card preferably comprises four panels comprising the electronic components and which are connected by three flexible zones.
  • the four panels comprise at least a first electronic card portion 28 and a second electronic card portion 29 parallel to each other and connected to each other by an intermediate portion and a lower portion 37 ( figures 2 to 7 ).
  • the first portion of electronic card 28, the second portion of electronic card 29 and the intermediate portion are connected to each other by the lower portion 37 which is orthogonal to these and to which the torus for measuring an electric arc fault 13 is preferably connected.
  • the additional module for detecting an electrical fault 1 does not include a core for measuring a differential fault 12.
  • THE figures 1 to 7 And 9 illustrate a first example of an additional module for detecting an electrical fault 1 which comprises the torus for measuring a differential fault 12 and the torus for measuring an electric arc fault 13.
  • This torus for measuring a differential fault 12 is arranged in the compartment of connection 15.
  • the electronic unit 14 and the arc fault measuring toroid 13 are arranged in the housing 3, outside the connection compartment 15 as well as the trigger unit 18 and the lock 31 described below.
  • the electrical fault detection module 1 makes it possible on the one hand to detect an electrical fault of the differential fault type without depending on the network voltage, i.e. the presence of a residual current on an electrical line of an installation and to subsequently control the triggering of the electrical protection apparatus (not shown) using in particular the triggering unit 18 and the lock 31 and on the other hand to detect an electrical fault of the electric arc fault type depending on the network voltage, i.e. the presence of an electric arc on an electrical line of the installation and to subsequently control the triggering of the electrical protection apparatus using in particular the triggering unit 18 and the lock 31.
  • the electrical protection equipment is contained in an additional box which is in modular format.
  • the width of this additional box is preferably equal to one module, i.e. approximately 18 millimeters, or to two modules, i.e. approximately 36 millimeters.
  • the additional module for detecting an electrical fault 1 and the electrical protection equipment are two distinct and separate entities each delimited by a modular format housing which is specific to them and are arranged side by side when connected.
  • the additional electrical fault detection module 1 and the electrical protection equipment are a single entity delimited by a single modular format box.
  • the electrical protection assembly according to the invention is thus in modular format and the width of the electrical protection assembly is preferably equal to two modules, i.e. approximately 36 millimeters in the example illustrated.
  • the width of the electrical protection assembly can, in another example not shown, be equal to three modules, or approximately 54 millimeters.
  • the housing 3 makes it possible to contain and protect at least the components of the additional module for detecting an electrical fault 1, namely at least the first output connection terminal 4, the second output connection terminal 5, the first electrical line 6, the second electrical line 9, the differential fault measurement toroid 12, optionally the electric arc fault measurement toroid 13, the electronic unit 14 and preferably the trigger unit 18 and the lock 31.
  • the housing 3 is preferably made of a rigid electrical insulating material such as polymer, for example plastic, and can be obtained by molding or injection.
  • the first output connection terminal 4 and second output connection terminal 5 allow connection to the electrical installation located downstream.
  • the first electrical line 6 and the second electrical line 9 allow the circulation within the additional electrical fault detection module 1 of the electrical current coming from an upstream electrical installation then passing through the electrical protection equipment.
  • the first electrical line 6 is preferably connected to a phase potential and the second electrical line 9 is preferably connected to a neutral potential.
  • the first electrical line 6 and the second electrical line 9 are only contained in the additional electrical fault detection module 1 because the additional module electrical fault detection 1 and electrical protection equipment are two separate entities.
  • the first electrical line 6 and the second electrical line 9 are contained both in the additional module for detecting an electrical fault 1 and in the electrical protection apparatus in the case where the additional module for detecting an electrical fault 1 and the electrical protection apparatus form a single entity.
  • FIG. 4 shows in particular that the first connection end 7 of the first electrical line 6 allows the electrical connection to the first output connection terminal 4.
  • the third connection end of the second electrical line 9 allows the electrical connection to the second output connection terminal 5.
  • the fourth connection end 11 of the second electrical line 9 and the second connection end 8 of the first electrical line 6 each allow electrical connection to the protective electrical apparatus via two output connection terminals of the protective electrical apparatus.
  • the additional module for detecting an electrical fault 1 and the electrical protection apparatus form a single entity and therefore if the first electrical line 6 and the second electrical line 9 are contained both in the additional module for detecting an electrical fault 1 and the electrical protection apparatus, then the fourth connection end 11 of the second electrical line 9 and the second connection end 8 of the first electrical line 6 each allow electrical connection to an electrical installation upstream of the electrical protection apparatus via a first input connection terminal and a second input connection terminal of the electrical protection apparatus.
  • the first electrical line 6 comprises a first electrical conductor, for example a copper wire or cable
  • the second power line 9 comprises a second electrical conductor, for example a copper wire or cable.
  • THE figures 3 , 4 , 7 , 10 And 11 illustrate that the differential fault measuring toroid 12 and the electric arc fault measuring toroid 13 each comprise a toroidal coil wrapped in a toroidal housing with a cylindrical passage.
  • the differential fault measuring core 12 preferably has a first core length It1 which is between 13 millimeters and 15 millimeters and preferably equal to 14.6 millimeters.
  • the first core length It1 corresponds to a distance measured parallel to the first longitudinal axis A1.
  • the differential fault measuring core 12 preferably has a first core diameter dt1 which is between 13 millimeters and 16 millimeters and preferably equal to 15.1 millimeters.
  • the first core diameter dt1 corresponds to the distance measured at the periphery of the toroidal housing.
  • the arc fault measuring core 13 preferably has a second core length It2 which is between 9.5 millimeters and 11.5 millimeters and preferably equal to 10.6 millimeters.
  • the second core length It2 corresponds to a distance measured parallel to the second longitudinal axis A2.
  • the arc fault measuring torus 13 preferably has a second torus diameter dt2 which is between 10 millimeters and 13 millimeters and preferably equal to 11.9 millimeters.
  • the second torus diameter dt2 corresponds to the distance measured at the periphery of the toroidal housing.
  • the cylindrical passage of the differential fault measuring torus 12 comprises two cylindrical channels C which are configured to allow the passage respectively of the first electrical line 6 and the second electrical line 9 ( figure 10 ).
  • the cylindrical passage of the arc fault measuring torus 13 comprises a single channel which is configured to allow the passage of only the first electrical line 6, the second electrical line 9 does not cross the cylindrical passage ( figure 11 ).
  • the first longitudinal axis A1 corresponds to the axial direction of the cylindrical passage of the differential fault measuring torus 12 and the second longitudinal axis A2 corresponds to the axial direction of the cylindrical passage of the electric arc fault measuring torus 13.
  • the differential fault measuring core 12 makes it possible to measure an imbalance of electrical current flowing in the first electrical line 6 and the second electrical line 9.
  • the electric arc fault measuring core 13 makes it possible to measure a signal characteristic of the presence of an electric arc in the electric current flowing in the first electric line 6.
  • the electronic unit 14 makes it possible to process on the one hand a first signal measured by the differential fault measurement core 12 and, if necessary, on the other hand a second signal measured by the electric arc fault measurement core 13 and is powered by the network voltage.
  • the electronic unit 14 thus comprises a module for processing the first signal measured by the differential fault measurement core 12 connected to the differential fault measurement core 12, a trigger module connected to the trigger unit 18 described below, optionally a power supply module and a module for processing the second signal measured by the electric arc fault measurement core 13 connected to the electric arc fault measurement core 13.
  • the module for processing the first signal measured by the differential fault measurement core 12 does not need to be powered by the network voltage via the power supply module.
  • the module for processing the second signal measured by the measuring core of an electric arc fault 13 is connected and powered by the power supply module.
  • the trigger module is connected on the one hand to the processing module of the first signal measured by the differential fault measurement core 12 and on the other hand to the processing module of the second signal measured by the electric arc fault measurement core 13.
  • the trigger module is configured to trigger the trigger unit 18 from the signals processed by the processing module of the first signal measured by the differential fault measurement core 12 and, where appropriate, by the processing module of the second signal measured by the electric arc fault measurement core 13.
  • THE figures 2 to 7 illustrate that the electronic unit 14 comprises a single electronic card folded into three sections and made of flexible material which comprises the first portion of electronic card 28 and the second portion of electronic card 29 connected to each other by the intermediate portion.
  • FIGS. 3 And 4 show that the measuring core of a differential fault 12 is not mounted on the electronic card alone.
  • the figures 3 And 4 show that the torus for measuring an electric arc fault 13 is arranged in a cutout 33 made in the second portion of the electronic card 29.
  • the first portion of electronic card 28 and the second portion of electronic card 29 are parallel to each other and spaced apart by a distance dc of between 6 millimeters and 12 millimeters.
  • the first portion of electronic card 28 and the second portion of electronic card 29 are parallel to the first left main face 19 and to the first right main face 20 of the housing 3.
  • the flexible PCB known as a flex/rigid PCB, can be advantageously bent.
  • the flexible areas are made of layers of copper and polyimide.
  • the rigid material sections are made of the materials commonly used to manufacture electronic boards.
  • the electronic unit 14 may comprise several electronic cards which are connected to each other by inter-card connectors.
  • the first portion of the electronic card 28 preferably allows the network voltage to be converted into 3 Volts and includes the electronic components for differential triggering and connection with the relay 30.
  • the second portion of electronic card 29 preferably comprises a microcontroller, a JTAG interface allows connection to the additional module for detecting an electrical fault after assembly during the calibration of the measurement chains, a light indicator of the RGB LED type for the generation of light signals of variable colors depending on the type of fault allowing the user to be notified of the type of fault, a radiofrequency antenna to allow the connection with a remote device, for example a telephone or equipment designated by its anglicism "tracebox" which allows the recording of signals to improve the protection algorithm of an electric arc fault and the diagnostic connector.
  • a remote device for example a telephone or equipment designated by its anglicism "tracebox" which allows the recording of signals to improve the protection algorithm of an electric arc fault and the diagnostic connector.
  • the intermediate portion allows the conditioning of signals or in other words their digitization.
  • the lower portion 37 preferably allows connection with the measuring core of an electric arc fault 13.
  • THE figures 2 to 4 show that the trigger unit 18 comprises a relay 30.
  • the relay 30 is electrically connected to the electronic unit 14 which in particular makes it possible to control the relay 30 from the signals measured on the one hand by the measuring core of a differential fault 12 and optionally by the measuring core of an electric arc fault 13.
  • the relay 30 also makes it possible to mechanically actuate a lock 31.
  • the lock 31 comprises an operating member 38 and a transmission member 39.
  • the operating member 38 may be in the form of a lever and is at least partly protruding from the housing 3, preferably from the first front face 22.
  • the transmission member 39 may be in the form of a projection and is at least partly projecting from the housing 3, preferably from the first left main face 19 which is suitable and intended to be attached to a face of the housing of the electrical protection apparatus as illustrated in figure 9 .
  • the transmission member 39 makes it possible to transmit the movement of the relay 30 to the cut-off unit of the electrical protection apparatus.
  • the relay 30 is configured to unlock the lock 31, the transmission member 39 which is part of the lock 31 allows the triggering of the electrical protection apparatus and in this case the operating member 38 will move to the OFF position.
  • connection compartment 15 has a modular width Ic which is equal to one module, or approximately 18 millimeters.
  • the second housing part 17 of the housing 3 may comprise a connection zone 32 located in the extension of the connection compartment 15 and which extends perpendicular to the left main face 19 over a zone width Iz equal to one module, i.e. approximately 18 millimeters, but which may be equal to two modules according to an example not illustrated.
  • the connection zone 32 comprises a connection interface 32a with said electrical protection apparatus from which the fourth connection end 11 of the second electrical line 9 and the second connection end 8 of the first electrical line 6 emerge.
  • the connection interface 32a comprises a flat face which is perpendicular to the left main face 19.
  • the fourth connection end 11 of the second electrical line 9 and the second connection end 8 of the first electrical line 6 are preferably projecting from the flat face and perpendicular to it.
  • the fourth connection end 11 of the second electrical line 9 and the second connection end 8 of the first electrical line 6 are preferably rigid to facilitate the connection.
  • the screw cage 25, 26 of the first output connection terminal 4 and the screw cage 25, 26 of the second output connection terminal 5 are side by side.
  • the separating wall 27 is preferably made of a rigid electrically insulating material such as polymer.
  • the first longitudinal axis A1 is preferably perpendicular to the first lower face 23 and/or to the first upper face 24.
  • the second longitudinal axis A2 is preferably perpendicular to the first rear face 21 and/or to the first front face 22.
  • FIG 8 illustrates a second example of an additional module for detecting an electrical fault 1 which only comprises a core for measuring a differential fault 12.
  • This additional module for detecting an electrical fault 1 does not comprise a core for measuring an electric arc fault 13.
  • This core for measuring a differential fault 12 is arranged in the connection compartment 15.
  • the electronic unit 14 is arranged in the housing 3 outside of the connection compartment 15 as well as the trigger unit 18 and the lock 31.
  • This second example differs from the first example illustrated in figures 1 to 7 And 9 essentially by these characteristics.
  • the electrical fault detection module 1 only makes it possible to detect an electrical fault of the differential fault type, i.e. the presence of a residual current on an electrical line of an installation and to subsequently control the triggering of the electrical protection equipment (not shown) using in particular the triggering unit 18 and the lock 31.
  • the additional module for detecting an electrical fault 1 only comprises a toroid for measuring an electric arc fault 13.
  • This toroid for measuring an electric arc fault 13 is arranged in the connection compartment 15.
  • the electronic unit 14 is arranged in the housing 3 outside the connection compartment 15 as well as the trigger unit 18 and the lock 31.
  • the electrical fault detection module 1 only makes it possible to detect an electrical fault of the electric arc fault type, i.e. the presence of an electric arc on an electrical line of the installation and to subsequently control the triggering of the electrical protection equipment using in particular the trigger unit 18 and the lock 31.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Claims (12)

  1. Zusatzmodul zur Detektion eines elektrischen Fehlers (1), das dazu konfiguriert ist, zu einem elektrischen Schutzgerät hinzugefügt zu werden, und mindestens Folgendes beinhaltet:
    - ein Gehäuse (3) im Modulformat,
    - eine erste Ausgangsverbindungsklemme (4),
    - eine zweite Ausgangsverbindungsklemme (5),
    - eine erste elektrische Leitung (6), die ein erstes Anschlussende (7), das an die erste Ausgangsverbindungsklemme (4) angeschlossen ist, und ein zweites Anschlussende (8), das dazu bestimmt ist, mit dem elektrischen Schutzgerät oder mit einer dem elektrischen Schutzgerät vorgeschalteten elektrischen Anlage elektrisch verbunden zu werden,
    - eine zweite elektrische Leitung (9), die ein drittes Anschlussende, das an die zweite Ausgangsverbindungsklemme (5) angeschlossen ist, und ein viertes Anschlussende (11), das dazu bestimmt ist, mit dem elektrischen Schutzgerät oder mit einer dem elektrischen Schutzgerät vorgeschalteten elektrischen Anlage elektrisch verbunden zu werden,
    - einen Messtorus für einen Differenzstromfehler (12), der von der ersten elektrischen Leitung (6) und der zweiten elektrischen Leitung (9) durchquert wird,
    - optional einen Messtorus für einen Lichtbogenfehler (13), der vorzugsweise nur von der ersten elektrischen Leitung (6) durchquert wird,
    - eine elektronische Einheit (14), die einerseits an den Messtorus für einen Differenzstromfehler (12) und gegebenenfalls an den Messtorus für einen Lichtbogenfehler (13) elektrisch angeschlossen ist und mindestens dazu konfiguriert ist, einerseits ein erstes Signal, das von dem Messtorus für einen Differenzstromfehler (12) gemessen wird, und gegebenenfalls andererseits ein zweites Signal, das von dem Messtorus für einen Lichtbogenfehler (13) gemessen wird, zu verarbeiten,
    wobei das Gehäuse (3) ein Anschlussfach (15) beinhaltet, das die erste Ausgangsverbindungsklemme (4) und die zweite Ausgangsverbindungsklemme (5) aufnimmt,
    wobei das Zusatzmodul zur Detektion eines elektrischen Fehlers (1) dadurch gekennzeichnet ist, dass der Messtorus für einen Differenzstromfehler (12) in dem Anschlussfach (15) enthalten ist und dass die elektronische Einheit (14) und gegebenenfalls der Messtorus für einen Lichtbogenfehler (13) in dem Gehäuse (3) außerhalb des Anschlussfachs (15) angeordnet sind.
  2. Zusatzmodul zur Detektion eines elektrischen Fehlers nach Anspruch 1, dadurch gekennzeichnet, dass das Zusatzmodul zur Detektion eines elektrischen Fehlers (1) den Messtorus für einen Lichtbogenfehler (13) beinhaltet, der in dem Gehäuse (3) außerhalb des Anschlussfachs (15) über und neben dem Messtorus für einen Differenzstromfehler (12) angeordnet ist.
  3. Zusatzmodul zur Detektion eines elektrischen Fehlers nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass das Zusatzmodul zur Detektion eines elektrischen Fehlers den Messtorus für einen Lichtbogenfehler (13) beinhaltet, dass der Messtorus für einen Differenzstromfehler (12) eine erste Längsachse (A1) beinhaltet und der Messtorus für einen Lichtbogenfehler (13) eine zweite Längsachse (A2) beinhaltet und dass die erste Längsachse (A1) und die zweite Längsachse (A2) nicht parallel zueinander sind.
  4. Zusatzmodul zur Detektion eines elektrischen Fehlers nach Anspruch 3, dadurch gekennzeichnet, dass die erste Längsachse (A1) und die zweite Längsachse (A2) senkrecht zueinander sind.
  5. Zusatzmodul zur Detektion eines elektrischen Fehlers nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Gehäuse (3) im Modulformat einen ersten sogenannten festen Gehäuseteil (16) und einen zweiten sogenannten beweglichen Gehäuseteil (17), der dazu konfiguriert ist, in einem montierten Zustand (S1) verschiebbar in dem ersten Gehäuseteil (16) montiert zu sein, beinhaltet, wobei der erste Gehäuseteil (16) mindestens eine Auslöseeinheit (18) beinhaltet und wobei in einem demontierten Zustand (S2) des ersten Gehäuseteils (16) mit Bezug auf den zweiten Gehäuseteil (17) der zweite Gehäuseteil (17) mindestens die erste Ausgangsverbindungsklemme (4), die zweite Ausgangsverbindungsklemme (5), die erste elektrische Leitung (6), die zweite elektrische Leitung (9), den Messtorus für einen Differenzstromfehler (12), den Messtorus für einen Lichtbogenfehler (13), die elektronische Einheit (14) und das Anschlussfach (15) beinhaltet.
  6. Zusatzmodul zur Detektion eines elektrischen Fehlers nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Gehäuse (3) im Modulformat eine im Wesentlichen parallelepipedische Form mit zwei Hauptflächen, nämlich einer ersten linken Hauptfläche (19) und einer ersten rechten Hauptfläche (20), sowie ersten Seitenflächen, die sich von der einen zu der anderen der Hauptflächen erstrecken, nämlich einer ersten Rückseite (21), einer ersten Vorderseite (22), einer ersten Unterseite (23) und einer ersten Oberseite (24), aufweist, wobei die Breite des Zusatzmoduls zur Detektion eines elektrischen Fehlers (1), die dem modularen Abstand (dm) zwischen der ersten linken Hauptfläche (19) und der ersten rechten Hauptfläche (20) entspricht, einem Vielfachen eines Normwerts entspricht, der als Modul bezeichnet wird und dessen Wert im Wesentlichen 18 Millimeter beträgt, wobei die erste Ausgangsverbindungsklemme (4) und die zweite Ausgangsverbindungsklemme (5) vorzugsweise aus einem Abschnitt der ersten Vorderseite (22), der sich auf der Seite der ersten Unterseite (23) befindet, herausragen.
  7. Zusatzmodul zur Detektion eines elektrischen Fehlers nach Anspruch 6, dadurch gekennzeichnet, dass das Anschlussfach (15) durch die erste Unterseite (23), durch einen Teil der ersten Vorderseite (22), der sich auf der Seite der ersten Unterseite (23) befindet und aus dem die erste Ausgangsverbindungsklemme (4) und die zweite Ausgangsverbindungsklemme (5) herausragen, durch einen Teil der ersten Rückseite (21), der sich auf der Seite der ersten Unterseite (23) befindet, durch einen Teil der ersten linken Hauptfläche (19), der sich auf der Seite der ersten Unterseite (23) befindet, und durch einen Teil der ersten rechten Hauptfläche (20), der sich auf der Seite der ersten Unterseite (23) befindet, begrenzt wird, und dass der Messtorus für einen Differenzstromfehler (12) hinter der ersten Ausgangsverbindungsklemme (4) und der zweiten Ausgangsverbindungsklemme (5) zwischen diesen letzteren und dem Teil der ersten Rückseite (21) angeordnet ist.
  8. Zusatzmodul zur Detektion eines elektrischen Fehlers nach Anspruch 7, dadurch gekennzeichnet, dass die erste Ausgangsverbindungsklemme (4) und die zweite Ausgangsverbindungsklemme (5) jeweils einen Schraubenkäfig (25, 26) umfassen, der einen Käfig (25) und eine Schraube (26) beinhaltet, und dass der Messtorus für einen Differenzstromfehler (12) zwischen den zwei Käfigen (25, 26) und dem Teil der ersten Rückseite (21) angeordnet ist.
  9. Zusatzmodul zur Detektion eines elektrischen Fehlers nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die erste elektrische Leitung (6) mindestens einen ersten elektrischen Leiter (34) beinhaltet, der eine erste Länge (L1) zwischen 68 Millimeter und 115 Millimeter aufweist, und dass die zweite elektrische Leitung (9) mindestens einen dritten elektrischen Leiter beinhaltet, der eine zweite Länge (L2) zwischen 77 Millimeter und 94 Millimeter aufweist.
  10. Zusatzmodul zur Detektion eines elektrischen Fehlers nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das Anschlussfach (15) eine Trennwand (27) beinhaltet, die hinter der ersten Ausgangsverbindungsklemme (4) und der zweiten Ausgangsverbindungsklemme (5) zwischen diesen letzteren und dem Messtorus für einen Differenzstromfehler (12) angeordnet ist.
  11. Zusatzmodul zur Detektion eines elektrischen Fehlers nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die elektronische Einheit (14) eine einzige gefaltete Leiterplatte beinhaltet, die eine Vielzahl von Segmenten aus starrem Material umfasst, die durch flexible Bereiche aus flexiblem Material verbunden sind.
  12. Elektrische Schutzanordnung, beinhaltend ein elektrisches Schutzgerät und ein Zusatzmodul zur Detektion eines elektrischen Fehlers (1), das dazu konfiguriert ist, zu einem elektrischen Schutzgerät hinzugefügt zu werden, um das Auslösen des elektrischen Schutzgeräts zu triggern,
    wobei die elektrische Schutzanordnung dadurch gekennzeichnet ist, dass das Zusatzmodul zur Detektion eines elektrischen Fehlers (1) einem der Ansprüche 1 bis 11 entspricht.
EP24163043.3A 2023-03-21 2024-03-12 Zusatzmodul zur detektion eines elektrischen fehlers und elektrische schutzanordnung mit einem solchen zusatzmodul zur detektion eines elektrischen fehlers Active EP4435829B1 (de)

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US6897747B2 (en) * 2002-05-10 2005-05-24 Joseph T. Brandon Circuit breaker
US20170110281A1 (en) * 2015-10-19 2017-04-20 Eaton Corporation Field-configurable interruption apparatus having individually selectable interruption portion and electronic portion
FR3072179B1 (fr) 2017-10-11 2020-10-09 Schneider Electric Ind Sas Module de detection d'un defaut electrique pour un ensemble de protection electrique et ensemble de protection electrique comprenant un tel module de detection
CN112151337B (zh) * 2019-06-27 2023-02-03 北京京人电器有限公司 一种至少具有二极的断路器
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ES3052489T3 (en) 2026-01-07
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FR3147003A1 (fr) 2024-09-27
EP4435829A1 (de) 2024-09-25

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