EP3188211B1 - Elektrische schutzvorrichtung fur den leistungsschutz - Google Patents

Elektrische schutzvorrichtung fur den leistungsschutz Download PDF

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Publication number
EP3188211B1
EP3188211B1 EP16207238.3A EP16207238A EP3188211B1 EP 3188211 B1 EP3188211 B1 EP 3188211B1 EP 16207238 A EP16207238 A EP 16207238A EP 3188211 B1 EP3188211 B1 EP 3188211B1
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EP
European Patent Office
Prior art keywords
face
electrical
transformer
terminal
circuit
Prior art date
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Active
Application number
EP16207238.3A
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English (en)
French (fr)
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EP3188211A1 (de
Inventor
Benjamin Leclercq
Christian CARINCOTTE
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.)
Legrand SNC
Legrand France SA
Original Assignee
Legrand SNC
Legrand France SA
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Priority to PL16207238T priority Critical patent/PL3188211T3/pl
Publication of EP3188211A1 publication Critical patent/EP3188211A1/de
Application granted granted Critical
Publication of EP3188211B1 publication Critical patent/EP3188211B1/de
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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
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection 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
    • 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
    • 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
    • H01H71/025—Constructional details of housings or casings not concerning the mounting or assembly of the different internal 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
    • 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

Definitions

  • the invention relates to electrical protection devices in modular format.
  • the modular devices are provided to belong to a row where they are arranged side by side being fixed by the rear on a support rail disposed horizontally.
  • electrical devices in the modular format which are bipolar comprise an upper part and a lower part each provided with two connection terminals, respectively a first terminal for a first electrical pole and a second terminal for a second electrical pole different from the first pole. electric.
  • connection terminal is configured to receive a stripped end portion of an electrical cable or a tooth of a horizontal distribution comb.
  • the lateral face of the upper part (upper face) and the lateral face of the lower part (lower face) generally have each two introduction ports giving access respectively to the first terminal and the second terminal.
  • the modular electrical device When the modular electrical device has to fulfill several functions simultaneously, for example both a short-circuit and over-current protection circuit-breaker function and a differential protection function, the number of components to be arranged inside the circuit breaker.
  • the apparatus is relatively high and the apparatus can therefore become relatively bulky, i.e., have a width of a high number of modules.
  • the document EP 2 073 240 A1 discloses an electrical protection apparatus according to the preamble of claim 1.
  • the document GB 2 381 968 A discloses another modular electrical protection device with an annular armature of an electrical transformer.
  • the aim of the invention is to provide an electrical appliance with a modular format similar to the apparatus of the document EP 2 073 240 but more compact while remaining convenient and economical to manufacture.
  • the invention is based on the observation that rather than minimizing the space behind and at the same height as the arc-guiding conductive horn electrically connected to the moving contact, which is generally close to the back face of the the apparatus, in order to save space for arranging the components, it was possible to obtain a more compact apparatus by providing that the space behind and at the same height as the inclined portion of the conductive horn is sufficiently large to receiving an annular armature of an electrical transformer responsive to predetermined current flow conditions, such annular armature being a relatively bulky component.
  • the invention makes it possible to dispose in a conventional volume of a modular device a protection function with respect to predetermined current flow conditions whose detection is carried out by means of a electrical transformer having an annular armature, in particular a differential fault detection transformer.
  • this location of the annular armature of the electrical transformer involves a certain proximity between the conductive horn and the electrical transformer, which is favorable to the convenience of the electrical connection to be operated between the conductive horn and the movable contact, since at least one winding of this transformer is electrically connected to the moving contact.
  • the apparatus according to the invention can thus be particularly compact while remaining convenient and economical to manufacture.
  • the electrical apparatus 10 shown on the figure 1 has a generally parallelepipedal shape.
  • main faces respectively a left face 11 and a right face 12, and side faces extending from one to the other of the main faces 11 and 12, namely a rear face 13, an upper face 14 , a front face 15 and a lower face 16.
  • the rear face 13 has a notch 17 for mounting the apparatus 10 on a standard support rail with an ⁇ profile (not shown).
  • the front face 15 has, in central position, about half of its length, a nose 18 having a handle 19.
  • the apparatus 10 is of the modular type, that is to say that in addition to its generally parallelepipedal shape, its width (distance between the two main faces 11 and 12) is a multiple of a normalized value, known as the name of "module", which is of the order of 18 mm.
  • the apparatus 10 has a width of one module.
  • the apparatus 10 is configured according to the modular format to belong to a row of modular apparatus arranged side by side while being secured from behind to the horizontally disposed support rail.
  • the upper face 14 has two insertion orifices 20 and 21 respectively giving access to a connection terminal 22 and to a connection terminal 23.
  • the orifice 20 and the terminal 22 are on the left.
  • the orifice 21 and the terminal 23 are located on the right.
  • the lower face 16 has two insertion orifices 24 and 25 ( Figures 3 and 4 ) giving access respectively to a connection terminal 26 and a connection terminal 27.
  • the orifice 24 and the terminal 26 are located on the left.
  • Port 25 and terminal 27 are located on the right.
  • connection terminals 22, 23, 26 and 27 is provided to receive a stripped end section of an electric cable or a tooth of a horizontal distribution comb of electricity whose pitch (spacing between two successive teeth ) is of a module.
  • terminals 22 and 23 located at the top are intended to be connected to the two poles of an electricity distribution network while the two terminals 26 and 27 located at the bottom are intended to be connected to an installation circuit electric to protect.
  • the apparatus 10 is a differential circuit breaker with a protected pole, that is to say having an electrical circuit operating a short-circuit and overcurrent detection in the path circuit of the protected pole (circuit-breaker function) and operating a detection difference in the intensity of the current flowing in the path circuit of the protected pole and in the path circuit of the unprotected pole (differential function).
  • terminal 22 and terminal 26 located on the left are provided for the pole of the electrical installation to be protected, which is a phase, while the terminal 23 and terminal 27 located on the right are provided for the pole of the unprotected electrical installation, which is the neutral.
  • the current path circuit between the terminals 22 and 26 on the left comprises in series a magnetic tripping member 30, a fixed contact 31, a movable contact 32, a thermal tripping member 33 and a winding 34 forming part of a Differential defect detection transformer 35.
  • the path circuit between the terminals 23 and 27 located on the right has in series a fixed contact 36, a movable contact 37 and a winding 38 forming part of the differential fault detection transformer 35.
  • the transformer 35 further comprises the winding 34 of the path circuit between the terminals 22 and 26 on the left and the winding 38 of the path circuit between the terminals 23 and 27 on the right, which form the primary windings. , a secondary winding 39, and an annular armature (magnetic circuit) around which are made the secondary winding 39 and the primary windings 34 and 38.
  • the secondary winding 39 of the transformer 35 is connected by two electrical conductors 41 and 42 to an electronic card 43.
  • the electronic card 43 is connected by two conductors 28 and 29 respectively to the terminal 22 and to the terminal 23.
  • the magnetic tripping member 30 is part of a compact member 44 further comprising a tripping relay 45.
  • the electronic card 43 is connected by two conductors 46 and 47 to the tripping relay 45.
  • the apparatus 10 comprises a mechanism 50, generally called a lock.
  • the lever 19 located outside the device 10 allows to act manually on the lock 50.
  • the magnetic tripping member 30, the thermal tripping member 33 and the assembly formed by the tripping relay 45 connected to the electronic card 43 are configured to act on the lock 50 if necessary.
  • the lock 50 has two stable positions, respectively a cutting position where the two movable contacts 32 and 37 are each away from the fixed contact 31 or 36 corresponding, and a latching position where each of the two movable contacts 32 and 37 bears on the corresponding fixed contact 31 or 36.
  • the lever 19, projecting from the front face 15, makes it possible to act manually on the lock 50 to move from the cutting position to the latching position or vice versa.
  • FIGS 11 to 18 which show an embodiment of the apparatus 10 where the lock 50 and the fixed and movable contacts 31, 32 and 36, 37 are identical, the lock 50 is shown in the cutting position.
  • the magnetic tripping member 30, the thermal tripping member 33 and the tripping relay 45 are configured to automatically act on the lock 50 to move from the latching position to the sectioning position when tracking conditions occur. predetermined current.
  • the magnetic tripping member 30 acts on the lock 50 in the event of a short-circuit, the thermal tripping member 33 acts in the event of an extended overcurrent and the tripping relay 45 acts in the event of a differential defect.
  • the magnetic tripping member 30 is formed by a coil arranged around a movable core controlling a striker acting in the event of a short-circuit on the lock 50.
  • the thermal tripping member 33 is formed by a bimetallic strip. deforming in case of prolonged overcurrent and acting due to its deformation on the lock 50.
  • the tripping relay 45 which is part of the same compact member 44 as the magnetic tripping member 30, is formed by another coil disposed around the same mobile core. This other coil is fed by the electronic card 43 which reacts to the voltage supplied by the secondary winding 39 of the transformer 35 in case of difference between the current flowing in the winding 34 and the current flowing in the winding 38, that is to say in case of differential defect.
  • the trip relay 45 When the trip relay 45 is thus powered, it drives the movable core which controls the firing pin acting on the lock 50 to trigger the transition from the latching position to the cutting position.
  • the transformer 35 provides, on the conductors 41 and 42, a differential fault signal which is processed by the electronic card 43.
  • the activation energy of the tripping relay 45 is provided by the electricity supply network through the conductors. 28 and 29. Since the transformer 35 does not have to supply the activation energy of the trip relay 45, the armature 40 can be of relatively small dimensions, in any case smaller than those of a transformer to provide the activation energy of a sensitive relay.
  • the circuit breaker 10 comprises an arc extinguishing chamber 51 (not shown on the figure 2 ), associated with the path circuit between the terminals 22 and 26 by means of arc-guiding conductive horns 52 and 53.
  • the conductive horn 52 carries the fixed contact 31.
  • the conductive horn 53 is electrically connected to the movable contact 32 and is arranged facing the conductive horn 52.
  • the conductive horns 52 and 53 are arranged so that an arc that would have formed between the fixed contact 31 and the movable contact 32 when the lock 50 passes from the latching position to the cutting position, is guided towards the chamber.
  • Arc extinction 51 In particular, in the path of the arc to the chamber 51, the horns 52 and 53 are first convergent and then divergent. For more details, see for example the European patent application EP 1 282 146 .
  • the horn 53 comprises a section 60 which is inclined towards the rear and towards the chamber 51. At its end farthest from the chamber 51, the inclined section 60 is connected to a standing section 61. At its end closest to the chamber 51, the inclined section 60 is connected to a standing section 64 which runs along the edge of the chamber 51 facing the rear face 13.
  • the inclined portion 60 of the horn 53 is opposite the space between the movable contact 32 and the fixed contact 31 while the movable contact 32 is opposite the standing section 61 (see the Figures 11 to 18 which show an embodiment of the apparatus 10 where the lock 50 and the fixed and movable contacts 31, 32 and 36, 37 are identical while the horns 52 and 53 are almost identical).
  • the circuit breaker 10 comprises conducting horns. arc guiding 62 and 63.
  • the conductive horn 62 carries the fixed contact 36.
  • the conductive horn 63 is electrically connected to the movable contact 37 and is arranged facing the conductive horn 62.
  • the conductive horns 62 and 63 are arranged so that an arc that would have formed between the fixed contact 36 and the movable contact 37 when the lock 50 passes from the latching position to the cutting position, is guided to move away. contacts 36 and 37 to the rear.
  • the lock 50 is configured so that, when it passes from the latching position to the cutting position, the moment when the spacing between the movable contact 37 and the fixed contact 36 starts occurs after the moment when the distance between the movable contact 32 and the fixed contact 31 begins.
  • the arc that may occur between the contacts 36 and 37 is less important than the arc that may occur between the contacts 31 and 32. It is therefore not necessary to associate a fire extinguishing chamber. arc to the current path circuit between terminals 23 and 27.
  • directions such as those shown on the figure 1 , respectively the front-rear directions such as the direction 55, the left-right directions such as the direction 56 and the up-down directions such as the direction 57.
  • the front-rear directions are parallel to the left face 11 and the right face 12 and the upper face 14 and the lower face 16.
  • the front-rear directions are horizontal and transverse to the support rail.
  • the left-right directions are parallel to each lateral face, that is to say to the rear face 13, the upper face 14, the front face 15 and the lower face 16.
  • the left-right directions are horizontal and parallel to the support rail.
  • the up-down directions are parallel to the left face 11 and the right face 12 as well as the rear face 13 and the front face 15.
  • the up-down directions are vertical.
  • a first element is in front of a second element if the first element is, with respect to the second element, on the side of the front face 15.
  • a first element is behind a second element if the first element is, with respect to the second element, on the side of the rear face 13.
  • a first element is to the left of a second element if the first element is, with respect to the second element, on the side of the left face 11.
  • a first element is to the right of a second element if the first element is, with respect to the second element, on the side of the right face 12.
  • a first element is above a second element if the first element is, with respect to the second element, on the side of the upper face 14.
  • a first element is below a second element if the first element is, with respect to the second element, on the side of the lower face 16.
  • the arc extinguishing chamber 51 In the space below the terminals 22 and 23 are arranged the arc extinguishing chamber 51, the compact member 44 and the electronic card 43.
  • the chamber 51 is behind the compact member 44.
  • electronic card 43 is to the right of the chamber 51 and the compact member 44.
  • the lock 50 is disposed in the nose 18 and below the compact member 44.
  • the fixed and movable contacts 31, 32, 36 and 37 and the horns 52, 53, 62 and 63 are arranged below the chamber 51, with the exception of the portion of the standing section 64 which is behind the chamber 51 .
  • the thermal tripping member 33 is disposed above the terminal 26 and below the horn 53 and the movable contact 32.
  • the thermal tripping member 33 is elongated and inclined downwardly and rearwardly.
  • the armature 40 of the transformer 35 is situated at the rear and at the same height as the part of the horn 53 formed by the inclined section 60 and by the standing section 61.
  • the annular armature 40 of the transformer 35 has an axial orientation located in a plane oriented in a front-rear direction and in a high-low direction, that is to say that the axial orientation of the armature 40 is parallel on the left face 11 and on the right face 12.
  • the axial orientation of the annular reinforcement 40 is inclined towards the chamber 51 and towards the front.
  • the armature 40 is not parallel to the inclined section 60 but less inclined toward the chamber 51.
  • terminals 22, 23 and 25 are represented only partially on the Figures 3 and 4 . These terminals are illustrated in full on the Figures 11 and 12 .
  • Terminal 22 has a contact pad 74 which is fixed and a cage 75 ( figure 11 ) which is movable under the effect of the screw 72.
  • the terminal 23 has a contact area 76 which is fixed and a cage 77 ( figure 12 ) which is movable under the effect of the screw 73.
  • the bare end section or the tooth of the comb to be connected is introduced into the housing delimited by the contact pad 74 or 76 and by the cage 75 or 77.
  • the screw 72 or 73 is operated to bring the wall of the cage 75 closer together. or 77 opposite the range 74 or 76 to clamp the bare end portion or the tooth.
  • the terminals 26 and 27 are arranged in a similar way to the terminals 22 and 23.
  • the terminal 26 has a contact pad 78 which is fixed and a cage 79 which is movable under the effect of the screw 80; and the terminal 27 has a contact area 81 which is fixed and a cage 82 ( figure 12 ) which is movable under the effect of the screw 83 ( figure 12 ).
  • the contact area 78 of the terminal 26 is connected to one end of a zigzag conductive strip 85 whose other end is connected to one end of a U-shaped conductive strip 86 (FIG. figures 7 and 9 ) whose other end is connected to one end of an L-shaped conductive strip 87 whose other end is connected to one end of a conducting strip 88 at I whose other end is connected to an electrically conductive strip 89 whose other end is connected to one end of an L-shaped conductive strip 90 ( figure 9 ) whose other end is connected to the thermal tripping member 33.
  • the conductive strip 90 is connected to the conductive horn 53 by the end of the standing section 61 opposite to the inclined section 60.
  • the central section of the U-shaped conductive strip 86 is disposed at the center of the annular reinforcement 40, which makes it possible to implement the winding 34.
  • Each of the conductive strips 85 to 90 is covered with a coating of insulating material, here a plastic varnish.
  • the thermal tripping member 33 is connected to the movable contact 32 by a flexible conductor 91, here a conductive braid.
  • the contact area 81 of the terminal 27 is connected to one end of a flexible conductor 92, here a conductive braid, whose other end is connected to the movable contact 37.
  • the conductive horn 63 is connected to the flexible conductor 92.
  • the flexible conductor 92 passes through the center of the annular reinforcement 40 to implement the winding 38.
  • the secondary winding 39 is conventionally implemented by a winding of an insulated electrical wire of small section.
  • an isolating partition 93 parallel to the left face 11 and to the right face 12, is provided between the path circuit of the protected pole (between the terminals 22 and 26) and the path circuit of the unprotected pole (between terminals 23 and 27).
  • the compact member 44, the lock 50 and the annular reinforcement 40 are straddling the insulating partition 93.
  • isolation partition 93 that includes the housing of the apparatus 10 also serves to maintain the various components.
  • the embodiment of the apparatus 10 illustrated on the Figures 11 to 18 is similar to the embodiment illustrated on the Figures 1 to 10 except that the annular armature 40 of the transformer 35 has an axial orientation according to a left-right direction, that is to say that the axial orientation of the armature 40 is transverse to the left face 11 and to the right face 12.
  • the general orientation of the armature 40 is the same as that of the left face 11 and the right face 12.
  • annular armature 40 is entirely located on the same side of the isolation partition 93 between the path circuit of the protected pole (between the terminals 22 and 26) and the path circuit of the unprotected pole (between the terminals). terminals 23 and 27).
  • annular armature 40 is located on the side of the path circuit unprotected pole.
  • the annular armature 40 is located on the side of the isolation wall 93 turned towards the right face 12.
  • the contact pad 78 of the terminal 26 is connected to one end of an I-conducting strip 94 whose other end is connected to one end of an L-shaped conductive strip 95 whose other end is connected to one end.
  • a V-shaped conductive strip 96 whose other end is connected to one end of a U-shaped conductive strip 97, the other end of which is connected to one end of an arched conductive strip 98, the other end of which is connected to the thermal tripping member 33 while its top is connected to the horn 53 by the end of the standing section 61 opposite to the inclined section 60.
  • the lateral section In the U-shaped conductive strip 97, the lateral section, the end of which is connected to the V-shaped conductive strip 96, is arranged in the center of the annular reinforcement 40, which makes it possible to implement the winding 34.
  • Each of the conductive strips 94 to 98 is covered with a coating of insulating material, here a plastic varnish.
  • the thermal tripping member 33 is connected to the movable contact 32 by a flexible conductor 99, here a conductive braid.
  • the contact area 81 of the terminal 27 is connected to one end of an arcing conductive strip 100 whose other end is connected to the conductive horn 63 and to one end of a flexible conductor 101, here a conductive braid, whose other end is connected to the moving contact 37.
  • the top of the conductive strip 100 in the arches is disposed at the center of the annular reinforcement 40, which makes it possible to implement the winding 38.
  • the U-shaped conductive strip 97 passes through the insulating partition 93 near its ends.
  • the two orifices of the partition 93 through which the conductive strip 97 passes are of small dimensions, these orifices only disturb the insulation provided by the partition 93 between the two electrical poles which run in the apparatus 10.
  • the embodiment of the apparatus 10 illustrated on the Figures 19 and 20 is similar to the one shown on the Figures 11 to 18 except that it does not include the thermal tripping member 33, the protection against prolonged overcurrent involving an intensity measuring transformer 102.
  • the transformer 102 comprises an annular armature (magnetic circuit) 103 surrounding a conductive element of the current path circuit between the terminals 22 and 26 and comprises a winding 104 around the annular armature 103.
  • the winding 104 is connected to the electronic card 43 by two electrical conductors 105 and 106.
  • the transformer 102 is disposed between the movable contact 32 and the terminal 26, but while the thermal tripping member 33 is disposed between the movable contact 32 and the winding 34, the transformer 102 is disposed between the winding 34 and the terminal 26.
  • the electronic board 43 reacts not only to the voltage supplied by the secondary winding 39 of the transformer 35, but also to the voltage supplied by the winding 104 of the transformer 102.
  • the electronic card 43 supplies the trip relay 45, which causes the movable core which controls the firing pin acting on the lock 50 to trigger the transition from the latching position to the disconnecting position.
  • the annular reinforcement 103 is arranged as the annular reinforcement 40 but on the other side of the insulating partition 93, that is to say on the side of the path of the circuit of the protected pole, in this case on the side the insulation partition 93 turned towards the left face 11.
  • the general orientation of the armature 103 is the same as that of the left face 11 and the right face 12, with an axial orientation in a left-right direction, that is to say that the orientation axial of the armature 103 is transverse to the left face 11 and to the right face 12.
  • the armature 103 of the transformer 102 is situated at the rear and at the same height as the part of the horn 53 formed by the inclined section 60 and by the standing section 61.
  • the strip 95 has a section close to the partition wall 93, so as to be to the right of the thermal tripping member 33, in the embodiment illustrated in FIGS. Figures 19 and 20 , the corresponding portion of the conductive strip 95 is away from the insulating partition 93 so as to be left of the annular reinforcement 103.
  • the conductive strip 96 in V has a shape modified accordingly, which makes it possible to connect one of the ends of the conductive strip 97 to the end of the conductive strip 96 opposite to the conductive strip 95.
  • the current path circuit between the terminal 26 and the movable contact 32 is surrounded by the annular reinforcement 103 at the connection between the conductive strip 96 and the conductive strip 97.
  • the apparatus 10 is particularly compact for a bipolar differential circuit breaker with a protected pole, since it has a width of a module with a height (distance between the lower face and the face superior) conventional 83 mm.
  • a portion of the armature 40 or 103 of the transformer 35 or 102 is located at the rear and at the same height as the inclined section 60.
  • the entire armature 40 or 103 is arranged behind and at the same height as the inclined section 60.
  • the current path circuit between the terminals 23 and 27 is continuous (there is no disconnecting member with a fixed contact and a movable contact) and therefore does not include any conductive guide horn. 'bow.
  • the arrangement of components other than the electrical transformer such as 35 or 102 is different, for example with the arc extinguishing chamber 51 which is at the bottom rather than the top.
  • the electrical apparatus has a different width and / or a number of different poles, for example a four-pole four-width device comprising four terminals at the top and four terminals at the bottom.
  • connection terminals 22, 23, 26 and 27 are shaped differently, for example with a spring for clamping the bare end section of an electric cable or the tooth of a horizontal distribution comb.

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Claims (10)

  1. Elektrischer Schutzapparat in Modulbauweise mit allgemein parallelepipedischer Form mit zwei Hauptstirnseiten, nämlich einer linken Stirnseite (11) und einer rechten Stirnseite (12), und sich von der einen zur anderen Hauptstirnseite (11,12) erstreckenden Seitenflächen, nämlich einer Rückseite (13), einer Oberseite (14), einer Vorderseite (15) und einer Unterseite (16), mit einer Breite, das heißt einem Abstand zwischen der linken Stirnseite (11) und der rechten Stirnseite (12), die ganzzahligfach einem vorbestimmten, als Modul bezeichneten Abstand entspricht, wobei die Rückseite (13) dazu ausgebildet ist, auf einer horizontal angeordneten Tragschiene befestigt zu werden, wobei die Oberseite (14) zwei Einstecköffnungen (20, 21) aufweist, die Zugang zu einer ersten oberen Klemme (22) für einen ersten Pol bzw. zu einer zweiten oberen Klemme (23) für einen zweiten, sich vom ersten Pol unterscheidenden Pol gewähren, wobei die Unterseite (16) zwei Einstecköffnungen (24, 25) aufweist, die Zugang zu einer ersten unteren Anschlussklemme (26) für den ersten Pol bzw. zu einer zweiten unteren Anschlussklemme (27) für den zweiten Pol gewähren, wobei jede Anschlussklemme (22, 23, 26, 27) zur Aufnahme eines abisolierten Endstücks eines Stromkabels oder eines Stifts einer horizontalen Verteilerkammschiene ausgebildet ist; wobei der Apparat umfasst:
    - einen ersten Stromführungskreis zwischen der ersten oberen Klemme (22) und der ersten unteren Klemme (26), mit einem ortsfesten Kontakt (31) und einem bewegbaren Kontakt (32);
    - einen zweiten Stromführungskreis zwischen der zweiten oberen Klemme (23) und der zweiten unteren Klemme (27);
    - einen Mechanismus (50) zum Betätigen des bewegbaren Kontakts (32), der über zwei stabile Stellungen verfügt, nämlich einer Trennstellung, in der der bewegbare Kontakt (32) von dem ortsfesten Kontakt (31) beabstandet ist, und einer Schaltstellung, in der der bewegbare Kontakt (32) an dem ortsfesten Kontakt (31) anliegt;
    - einen an der Vorderseite vorstehenden Hebel (19), um manuell auf den Betätigungsmechanismus (50) einzuwirken, um von der Trennstellung in die Schaltstellung oder von der Schaltstellung in die Trennstellung zu wechseln;
    - wenigstens ein Auslöseorgan (30, 33, 45), das dazu ausgebildet ist, selbsttätig auf den Betätigungsmechanismus (50) einzuwirken, um von der Schaltstellung in die Trennstellung zu wechseln, wenn vorbestimmte Stromführungszustände auftreten; und
    - eine dem ersten Stromführungskreis zugeordnete Lichtbogenlöschkammer (51), mit einem den ortsfesten Kontakt (31) tragenden ersten leitfähigen Lichtbogenhorn (52) und mit einem elektrisch mit dem bewegbaren Kontakt (32) verbundenen zweiten leitfähigen Lichtbogenhorn (53), das dem ersten leitfähigen Lichtbogenhorn (52) gegenüberliegend angeordnet ist;
    dadurch gekennzeichnet, dass wenigstens ein auf die vorbestimmten Stromführungszustände ansprechender Teil eines ringförmigen Belags (40, 103) eines Stromwandlers (35, 102) gegenüber einem zur Rückseite (13) und zur Lichtbogenlöschkammer (51) geneigten Abschnitt (60) des zweiten leitfähigen Lichtbogenhorns (53)
    - an der Rückseite (13); und
    - senkrecht zu dem geneigten Abschnitt (60) des zweiten leitfähigen Lichtbogenhorns (53) in einer von vorne nach hinten verlaufenden Richtung (55) angeordnet ist, das heißt einer Richtung, die parallel zu den Hauptstirnseiten (11, 12) sowie zur Oberseite (14) und zur Unterseite (16) ist.
  2. Schutzapparat nach Anspruch 1,
    dadurch gekennzeichnet, dass er ferner eine Platine (43) aufweist, die mit einer Wicklung (39, 104) des Stromwandlers (35, 102) und mit einem Auslöserelais (45) verbunden ist, welches das Auslöseorgan bildet.
  3. Schutzapparat nach einem der Ansprüche 1 oder 2,
    dadurch gekennzeichnet, dass das zweite Lichtbogenhorn (53) außer dem geneigten Abschnitt (60) einen aufrechten Abschnitt (61) aufweist, an den sich der geneigte Abschnitt (60) mit seinem von der Lichtbogenlöschkammer (51) am weitesten entfernten Ende anschließt, wobei der ringförmige Belag (40, 102) ferner einen Teil umfasst, der gegenüber dem aufrechten Abschnitt (61)
    - an der Vorderseite (13); und
    - senkrecht zu dem aufrechten Abschnitt (61) des zweiten leitfähigen Lichtbogenhorns (53) in einer von vorne nach hinten verlaufenden Richtung (55) angeordnet ist.
  4. Schutzapparat nach einem der Ansprüche 1 bis 3,
    dadurch gekennzeichnet, dass der ringförmige Belag (40) eine axiale Ausrichtung hat, die in einer Ebene liegt, welche in einer von vorne nach hinten verlaufenden Richtung (55) und in einer von oben nach unten verlaufenden Richtung (57) ausgerichtet ist, das heißt eine parallel zur linken Stirnseite (11) und zur rechten Stirnseite (12) verlaufende axiale Ausrichtung.
  5. Schutzapparat nach Anspruch 4,
    dadurch gekennzeichnet, dass die axiale Ausrichtung des ringförmigen Belags (40) zur Lichtbogenlöschkammer (51) und nach vorne geneigt ist.
  6. Schutzapparat nach einem der Ansprüche 4 oder 5,
    dadurch gekennzeichnet, dass er zwischen dem ersten Stromführungskreis und dem zweiten Stromführungskreis eine Isoliertrennwand (93) aufweist, wobei der ringförmige Belag (40) auf der Isoliertrennwand (93) aufsitzt.
  7. Schutzapparat nach einem der Ansprüche 1 bis 3,
    dadurch gekennzeichnet, dass der ringförmige Belag (40, 103) eine axiale Ausrichtung in einer von links nach rechts verlaufenden Richtung (56) hat, das heißt eine quer zur linken Stirnseite (11) und zur rechten Stirnseite (12) verlaufende axiale Ausrichtung
  8. Schutzapparat nach Anspruch 7,
    dadurch gekennzeichnet, dass er zwischen dem ersten Stromführungskreis und dem zweiten Stromführungskreis eine Isoliertrennwand (93) aufweist, wobei der ringförmige Belag (40, 103) vollständig auf ein und derselben Seite der Isoliertrennwand (93) liegt.
  9. Schutzapparat nach einem der Ansprüche 1 bis 8,
    dadurch gekennzeichnet, dass der Stromwandler ein Transformator (35) zur Erkennung von Fehlerstrom ist, für den die vorbestimmten Stromführungszustände ein Fehlerstrom sind; und dass er ferner ein magnetisches Auslöseorgan (30) und ein thermisches Auslöseorgan (33) umfasst.
  10. Schutzapparat nach einem der Ansprüche 1 bis 8,
    dadurch gekennzeichnet, dass er zwei sogenannte Stromwandler umfasst, nämlich einen ersten sogenannten Stromwandler, der ein Transformator (35) zur Erkennung von Fehlerstrom ist, für den die vorbestimmten Stromführungszustände ein Fehlerstrom sind, und einen zweiten sogenannten Stromwandler, der ein Transformator (103) zum Messen der Stromstärke ist, für den die vorbestimmten Stromführungszustände ein anhaltender Überstrom sind; und dass er ferner ein magnetisches Auslöseorgan (30) umfasst.
EP16207238.3A 2015-12-29 2016-12-29 Elektrische schutzvorrichtung fur den leistungsschutz Active EP3188211B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16207238T PL3188211T3 (pl) 2015-12-29 2016-12-29 Elektryczne urządzenie zabezpieczające o formacie modułowym

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1563427A FR3046289B1 (fr) 2015-12-29 2015-12-29 Appareil electrique de protection au format modulaire

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EP3188211A1 EP3188211A1 (de) 2017-07-05
EP3188211B1 true EP3188211B1 (de) 2019-10-02

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CN (1) CN106935452B (de)
AU (1) AU2017200005B2 (de)
FR (1) FR3046289B1 (de)
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RU (1) RU2719326C2 (de)

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FR3093869B1 (fr) * 2019-03-14 2021-04-09 Legrand France Appareil électrique pour alimenter ou non une charge en fonction de l’état passant ou bloqué d’un organe de commande
FR3102292B1 (fr) 2019-10-16 2021-11-05 Legrand France Appareil de protection d’une installation électrique en courant alternatif
FR3102293B1 (fr) 2019-10-16 2021-11-12 Legrand France Appareil de protection d’une installation électrique en courant alternatif
FR3118334B1 (fr) 2020-12-18 2022-12-23 Legrand France Appareil électrique de protection d’une installation électrique en courant alternatif

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FR2700636B1 (fr) * 1993-01-18 1995-03-31 Merlin Gerin Disjoncteur différentiel modulaire.
FR2752479B1 (fr) * 1996-08-13 1998-09-25 Schneider Electric Sa Disjoncteur differentiel electronique
AU2002248108A1 (en) * 2001-03-30 2002-10-15 Pdl Holdings Limited An electrical circuit device with compact terminal configuration
FR2828329B1 (fr) * 2001-07-31 2003-12-12 Legrand Sa Dispositif pour l'extinction d'un arc electrique
GB2381968B (en) * 2001-10-22 2005-04-27 Circuit Breaker Ind Circuit breaker
PL2019407T3 (pl) * 2007-07-26 2010-10-29 Bticino Spa Urządzenie prądu szczątkowego do wyłącznika elektrycznego
FR2925756B1 (fr) * 2007-12-20 2010-02-26 Schneider Electric Ind Sas Appareil de protection electrique modulaire comportant une fonction electrique complementaire telle la fonction protection differentielle
CN101645379B (zh) * 2009-09-01 2011-06-08 方华朋 一种带漏电、过载、短路保护的小型断路器
ITBG20100062A1 (it) * 2010-11-17 2012-05-18 Abb Spa Dispositivo di commutazione elettrica.
CN102760622B (zh) * 2012-07-23 2016-03-16 乐清市智顺电气有限公司 无加长宽度为18mm多功能漏电断路器
DE102014208564A1 (de) * 2014-05-07 2015-11-12 Siemens Aktiengesellschaft Schutzschaltgerät mit zwei Auslösemechaniken mit unterschiedlichen Hebelverhältnissen

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Publication number Publication date
FR3046289B1 (fr) 2018-02-16
EP3188211A1 (de) 2017-07-05
PL3188211T3 (pl) 2020-04-30
CN106935452A (zh) 2017-07-07
RU2016150823A3 (de) 2020-02-14
CN106935452B (zh) 2020-07-07
RU2719326C2 (ru) 2020-04-17
FR3046289A1 (fr) 2017-06-30
RU2016150823A (ru) 2018-06-26
AU2017200005B2 (en) 2021-04-08
AU2017200005A1 (en) 2017-07-13

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