EP2913835B1 - Réglette de sectionnement pour fusibles basse tension grande puissance - Google Patents

Réglette de sectionnement pour fusibles basse tension grande puissance Download PDF

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Publication number
EP2913835B1
EP2913835B1 EP14156859.2A EP14156859A EP2913835B1 EP 2913835 B1 EP2913835 B1 EP 2913835B1 EP 14156859 A EP14156859 A EP 14156859A EP 2913835 B1 EP2913835 B1 EP 2913835B1
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
load
fuse
breaker assembly
housing
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
EP14156859.2A
Other languages
German (de)
English (en)
Other versions
EP2913835B3 (fr
EP2913835A1 (fr
Inventor
Philipp Steinberger
Joram Masel
Hans-Juergen Henning
Christopher Curth
Daniel Steiner
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.)
Woehner GmbH and Co KG Elektrotechnische Systeme
Original Assignee
Woehner GmbH and Co KG Elektrotechnische Systeme
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
Priority to SI201430153A priority Critical patent/SI2913835T1/sl
Application filed by Woehner GmbH and Co KG Elektrotechnische Systeme filed Critical Woehner GmbH and Co KG Elektrotechnische Systeme
Priority to EP14156859.2A priority patent/EP2913835B3/fr
Priority to PL14156859T priority patent/PL2913835T6/pl
Priority to DK14156859.2T priority patent/DK2913835T3/en
Priority to CN201510087850.4A priority patent/CN104868366B/zh
Priority to US14/631,034 priority patent/US9721745B2/en
Priority to BR102015004257-4A priority patent/BR102015004257B1/pt
Publication of EP2913835A1 publication Critical patent/EP2913835A1/fr
Application granted granted Critical
Publication of EP2913835B1 publication Critical patent/EP2913835B1/fr
Publication of EP2913835B3 publication Critical patent/EP2913835B3/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/43—Means for exhausting or absorbing gases liberated by fusing arc, or for ventilating excess pressure generated by heating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/10—Adaptation for built-in fuses
    • H01H9/102—Fuses mounted on or constituting the movable contact parts of the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/12—Adaptation for built-in fuse
    • H01H31/122—Fuses mounted on, or constituting the movable contact parts of, the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/47—Means for cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2213/00—Venting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/342—Venting arrangements for arc chutes

Definitions

  • Fuse-fuse disconnectors are used as power distribution components for the electrical power supply within buildings, such as office centers or businesses, as well as electricity supply companies.
  • Fuse load disconnectors are used as power distribution components for high current amplitude currents.
  • the fuse switch disconnectors can be mounted on busbars for different phases of a multi-phase power supply system.
  • the busbars are usually horizontal and the fuse switch disconnectors are mounted transversely or vertically on the busbars.
  • Within the housing of the fuse switch disconnector a fuse contact pair for receiving a fuse link is provided for each current phase to be separated.
  • the fuses or fuse links are thus arranged after mounting on the busbars in a row substantially perpendicular to each other.
  • a disadvantage with conventional fuse switch disconnectors is that power dissipation heat generated by the fuse links or fuses flows upwardly within the housing of the fuse switch disconnect so that heat buildup can occur in the upper region within the housing, through which those located in that area Fuse inserts can be heated inadmissible.
  • the accumulation of heat in the upper region of the housing of the fuse switch disconnector strip can cause the fuse links located there due to the increased temperature to age, causing uncontrolled tripping the affected fuse links can not be excluded.
  • a fuse-load switching device which, inter alia, has at least one insulating material, at least one movable fuse holder for a fuse link and at least one equipped with contact means terminal space for receiving the fuse link.
  • a switching device for separating three conductors and a neutral conductor is used to disconnect the three conductors and a second switching device with a separator the separation of the neutral conductor.
  • EP 1 045 414 A1 discloses a safety strip holder in strip design for NH fuses.
  • the switch has a strip lower part, which has, inter alia, means for the power supply and contact delivery to the fuses, means for securing the switch on the rail system and means for clamping connection lines.
  • the invention accordingly provides a fuse switch disconnect strip for low-voltage high-performance fuses, wherein a fuse contact pair for receiving a fuse link is provided within a housing of the fuse load disconnect strip for each current phase to be separated, wherein the fuse load disconnector is characterized in that a power loss generated by the fuse links in at least one is derived laterally provided on the housing of the fuse load disconnect strip heat dissipation.
  • switching gases are discharged into a switching-gas discharge channel provided laterally on the housing of the fuse-load disconnect strip and separated from the heat-dissipation channel.
  • each fuse contact pair on two fuse contacts which are each covered by a contact guard.
  • the contact guard is preferably symmetrical and has two hood heads.
  • the two hood heads of the contact protection hood each have outlet openings for the delivery of heat into the heat dissipation channel and for the delivery of switching gases into the switching gas discharge channel.
  • the fuse switch disconnector strip is mounted transversely on substantially horizontally extending busbars, wherein a plurality of fuse links provided for the various busbars within the housing of the assembled fuse switch disconnector are arranged in line with each other.
  • a vertically extending heat dissipation duct is provided on one of the two side walls of the housing of the fuse switch disconnector mounted on the busbars through which the power loss heat generated by the fuse links escapes.
  • a vertically extending Wegmanitkanal for discharging a switching gas generated during switching is provided on one or both side walls of the housing mounted on the busbars fuse load disconnector.
  • a fuse contact of a fuse contact pair is via a fuse contact angle and two parallel flat outlet rail parts connected to a connection bracket.
  • the fuse contact angle is fastened to a first end of the two parallel outgoing busbar sections between the two outgoing-busbar sections.
  • connection angle is fastened to a second end of the two parallel outgoing rail parts between the two outgoing rail parts.
  • the outgoing busbar sections running in parallel are inserted in an inner guide channel extending parallel to the side walls of the housing within the housing of the fuse isolator.
  • At least one further parallel outer guide channel for receiving electrical lines is provided between the side walls of the housing and the inner guide channel.
  • the guide channels run essentially vertically within the housing of the fuse-load disconnect strip mounted on the busbars, the heat loss of the outgoing busbars and / or the electrical leads is discharged upward through openings of the housing to the outside.
  • the heat dissipation channel and the Weggasableitkanal each extend as a trough-shaped depression on the side walls of the housing of the fuse load disconnect bar and form together with a heat dissipation and a switching gas channel directly adjacent another fuse load disconnect two closed channels for the separate dissipation of power loss heat and the switching gases.
  • the corresponding fuse-link can be swung out of the associated fuse contact pair to disconnect a current phase.
  • a plurality of current phases can be separated simultaneously by means of a centrally arranged manually operable switching handle.
  • the manually operable switch handle is attached to a push rod located in the housing of the fuse switch disconnector, which swings the fuse links out of the fuse contact pairs associated with the current phases.
  • the invention further provides a power distribution arrangement having the features specified in claim 17.
  • the invention accordingly provides a power distribution arrangement with a plurality of substantially horizontally extending current busbars for different current phases of a multi-phase power supply system, wherein at least one fuse-load disconnect strip for low-voltage high-power fuses is mounted on the busbars, wherein the fuse load disconnect bar has a housing and within the housing of the fuse load disconnect bar for each current phase to be separated a fuse contact pair is provided for receiving a fuse link, wherein a power loss heat generated by the fuse links in at least one laterally provided on the housing of the fuse switch disconnector heat sink is derived.
  • the power distribution arrangement is designed for rated currents of more than 600 amperes.
  • the busbars are arranged at a rail spacing of 185 mm.
  • the busbars each have a busbar width of up to 120 mm.
  • the fuses or fuse links are NH fuses.
  • the fuses or fuse links are UL fuses.
  • the fuse load disconnect bar can be switched in unipolar fashion.
  • the fuse load disconnect strip can be switched in multiple poles.
  • Fig. 1 shows an embodiment of a fuse load disconnect strip 1 according to the invention for low-voltage high-performance fuses.
  • the fuse load disconnector 1 is three-pole and serves to accommodate three low-voltage high-performance fuses for three different power phases.
  • the fuse load disconnector 1 is multi-pole switchable, ie, all current phases are separated simultaneously by actuation of a control handle.
  • the fuse switch disconnector strip 1 can be switched in unipolar fashion, ie each current phase L1, L2, L3 to be disconnected can be separated separately by means of an associated switching handle 4.
  • the fuse load disconnector 1 has a housing 2.
  • the housing 2 is preferably composed of a plurality of housing components.
  • a fuse contact pair for receiving an associated fuse link 5A, 5B, 5C is provided for each current phase to be separated.
  • a power loss heat generated by the fuse links 5A, 5B, 5C is thereby dissipated in a heat dissipation channel 3 provided laterally on the housing 2 of the fuse load disconnect strip 1, as described in US Pat Fig. 1 is shown.
  • a manually operable handle 4 is centrally provided on the housing 2 of the fuse switch disconnector 1, a manually operable handle 4 is centrally provided.
  • the switching handle 4 is preferably attached to a located in the housing 2 of the fuse switch disconnector 1 movable push rod, which pivots out the fuse links 5A, 5B, 5C from belonging to the current phases L1, L2, L3 fuse contact pairs.
  • Fig. 2 shows the fuse load disconnector 1 after pressing the handle 4 in the open position switch.
  • the swung-out fuse links 5A, 5B, 5C for the three current phases L1, L2, L3.
  • Fig. 2 the three pivoted cover 6A, 6B, 6C for the three power inserts 5A, 5B, 5C.
  • the switching handle 4 is attached to the single-pole switching of the current phase to the middle cover 6B. How to get out Fig. 2 can recognize the pivoted-out fuse links 5A, 5B, 5C are easily accessible to an operator and can be easily replaced.
  • the Fig. 2 shows the fuse load disconnector 1 after pressing the handle 4 in the open position switch.
  • multipolar switchable fuse switch disconnector 1 can be mounted transversely on substantially horizontally extending busbars. After assembly, the various provided for the busbar fuse links 5A, 5B, 5C within the housing 2 of the assembled fuse load disconnect strip 1 are arranged in a row with each other. How to get in Fig. 1, 2 can recognize, is provided on one or preferably on both side walls of the housing 2 of the fuse busbar mounted fuse switch 1, a vertically extending heat sink 3, through which the heat generated by the fuse links 5A, 5B, 5C in a vertical upward direction towards a the upper end face 2A of the housing 2 escapes.
  • two are provided as trough-shaped depressions on the two side walls of the housing 2 of the fuse load disconnect strip 1. If in this case several fuse switch disconnectors 1 mounted side by side on the busbars, forms the trough-shaped recess of the heat sink 3 together with the trough-shaped depression of the heat sink 3 'of the immediate adjacent fuse load disconnector 1 'together a closed channel through which the power loss heat can escape upwards.
  • the housing 2 has slots or openings 12 on a lower end side 2B, so that the heat dissipation channel 3 effectively forms a chimney, through which the heated air is directed upward through extraction openings 36-1, 36-2 on the upper end side 2A can escape, as in Fig. 5 recognizable.
  • the housing 2 laterally for the various fuse links 5A, 5B, 5C each heat dissipation slits 7A, 7B, 7C, through which heat or thermal energy from the interior of the housing 2 can escape into the heat dissipation channel 3, from there is transported upward through exhaust holes on the front side 2A.
  • cool air is supplied to the heat dissipation duct 3 via the openings provided on the lower end side 2B, which inevitably conveys the laterally emerging backup heat upwards.
  • the fuse links 5A, 5B, 5C can be NH fuses or UL fuses.
  • the busbars are arranged at a rail spacing of 185 mm.
  • the busbars may have a busbar width of up to 120 mm.
  • the fuse load disconnector 1 can be pulled under load, with the manually operable handle 4, as in Fig. 2 represented, is preferably pivoted downwards.
  • the switching linkage located in the housing 2 is actuated, with the fuse links 5A, 5B, 5C being swung out of contact of the associated safety contact pair for disconnecting the associated current phase L1, L2, L3.
  • the covers 6A, 6B, 6C opens the shift linkage the covers 6A, 6B, 6C, so that the pivoted-out fuse links 5A, 5B, 5C, as in Fig. 2 displayed, visible and can be exchanged.
  • switching gases in particular ionized air
  • contact material particles in particular copper particles.
  • the switching gases with the metallic particles contained therein can be electrically conductive.
  • the resulting switching gases are derived in a laterally provided on the housing 2 of the fuse load disconnect strip 1 and separated from the heat sink 3 Wegmannableitkanal 8A, 8B, 8C, as in the FIGS. 1, 2 shown.
  • a separate Weggasableitkanal 8A, 8B, 8C is provided for discharging the switching gases for each fuse link or each fuse contact pair.
  • each Weg. 1 and 2 are provided in the inner housing 2 of the fuse load disconnect strip 1 for each GmbHgasableitkanal 8 A, 8 B, 8 C slots or openings 9 A, 9 B, 9 C, which connect the Weggasableitkanal 8 A, 8 B, 8 C with the interior of the housing 2.
  • each Weggasableitkanal 8A, 8B, 8C outlet channels or outlet slots have, through which the explosive switching gases from the interior of the housing 2 in the Weggasableitkanal 8A, 8B, 8C exit.
  • these outlet openings can have angled fins which are the result of the explosion Redirect the gas, slowing down the exhausted gas. As a result, for example, a distance to earthed components can be reduced.
  • the outlet channels for the switching gases can be dispensed with quenching plates or the like in a possible embodiment.
  • Fig. 3 shows a view of a fuse load disconnector 1 from diagonally below.
  • the fuse switch disconnector 1 is located in Fig. 3 in the closed position.
  • a heat dissipation channel 3 and separate Weggasableitkanäle 8A, 8B, 8C.
  • cable lugs 10 are shielded by a veneer 11.
  • Fig. 4 shows a further view of a fuse load disconnect strip 1 obliquely from above, wherein an upper part of the housing 2 is separated with the handle 4, so that the located within the housing 2 fuse links are not visible in the swung-out state.
  • the fuse links 5A, 5B, 5C are, for example, NH fuses, which are intended for rated currents up to 630 amperes.
  • a fuse contact pair for receiving a fuse or a fuse 5A, 5B, 5C is provided.
  • the thermal energy generated by the fuse links 5A, 5B, 5C is discharged to the heat dissipating passage 3 laterally through the slits 7A, 7B, 7C.
  • the fuse links 5A, 5B, 5C can be swung out by actuation of the control handle 4 for disconnecting the respective current phase L1, L2, L3.
  • the switching gases generated during switching are delivered to the Wegabgasleitkanäle 8A, 8B, 8C.
  • the Heat dissipation channel 3 the power loss heat of the fuse links 5A, 5B, 5C is kept low, in each case it is ensured that the temperature limits are not exceeded in accordance with the standard.
  • Fig. 5 shows a further view of an embodiment of the fuse-switch-disconnector strip 1 according to the invention, wherein one compared to Fig. 4 another part, namely the last upper part, is removed.
  • At the lower end face 2B of the housing 2 are in Fig.
  • the fuse link 5A, 5B, 5C preferably has two associated switch contact blades 13, 14, as in FIG Fig. 5 shown. Each fuse link 5A, 5B, 5C has an upper switch contact blade 13A, 13B, 13C and a lower switch contact blade 14A, 14B, 14C. In the non-pivoted state, the switch contact blades 13A, 13B, 13C, 14A, 14B, 14C are inserted into an associated fuse contact.
  • a fuse contact pair 27A, 28A, 27B, 28B, 27C, 28C is provided with two fuse contacts, wherein the two fuse contacts in the closed position of the fuse load disconnector 1 with the switch contact blades 13A, 13B, 13C, 14A, 14B, 14C are in contact.
  • FIG. 6 shows a further view of an embodiment of the fuse-load disconnect strip 1 according to the invention, wherein the Fuse links 5A, 5B, 5C are removed.
  • Each fuse contact pair of a fuse link 5A, 5B, 5C has two fuse contacts, which are covered by a symmetrical contact protection hood 15A, 15B, 15C.
  • Each touch guard 15A, 15B, 15C has two hood heads 16A, 17A, 16B, 17B, 16C, 17C.
  • the contact protection covers 15A, 15B, 15C need not be removed from the last part. The complete lower part of the strip is turned when the connection direction has to be changed.
  • the top part is placed unchanged on the lower part of the bar and locked so that the operating direction is maintained, as in the Figures 11a, 11b, 11c shown.
  • the hood heads 16A, 16B, 16, 17A, 17B, 17C on the touch guards 15A, 15B, 15C have heat exhaust ports 18A, 18B, 18C and 19A 19B, 19C, and switching gas exhaust ports 20A, 20B, 20C, 21A, 21B, 21C, as in FIG Fig. 6 shown.
  • the upper hood heads 16A, 16B, 16C and lower hood heads 17A, 17B, 17C each have slots for enclosing the fuse contacts into which the fuse links in Figs Fig.
  • switch blades 13A, 13B, 13C, 14A, 14B, 14C can be inserted.
  • Fig. 6 One recognizes the existing in the upper hood heads 16A, 16B, 16C contact slots 22A, 22B, 22C and existing in the lower hood heads 17A, 17B, 17C contact slots 23A, 23B, 23C.
  • the switching gases generated during switching are discharged through the switching gas outlet slots 20A, 20B, 20C into the switching gas discharge channels 8A, 8B, 8C.
  • the heated air discharged through the heat-dissipating slots 18A, 18B, 18C, 19A, 19B, 19C enters the two laterally-disposed heat-dissipating passages 3 Fig.
  • Fig. 7 shows a further view of a possible embodiment of the fuse load disconnect strip 1 according to the invention, wherein the last part is shown.
  • Contact pairs 27A, 28A, 27B, 28B, 27C, 28C for inserting the fuse links 5A, 5B, 5C.
  • a fuse contact of the fuse contact pair 27A, 28A, 27B, 28, 27C, 28C is connected via a fuse contact angle and an output rail with a connection angle or a contact lug 24, 25, 26.
  • Fig. 8 clarified.
  • the fuse contact 27B located at the top in the mounted state of the fuse switch disconnect strip 1 contacts an associated busbar via an access rail 39B in the installed state.
  • the upper fuse contact 27B forms an input contact for the fuse contact pair 27B, 28B of the second current phase L2.
  • the access contact 27B is confronted by an outgoing contact 28B, which is connected via a feeder rail 29B with a connection angle or with the lug 25 provided for the current phase L2.
  • the outlet rail 29B may, as in Fig. 8 shown connected with two parallel flat outlet rail parts with the connection angle 25.
  • the outlet rail 29B is designed as two parallel rails.
  • the connection angle 25 is fixed between the two outlet rail parts.
  • Fig. 8 shown connected with two parallel flat outlet rail parts with the connection angle 25.
  • FIG. 8 illustrated embodiment has the advantage that by means of a clinching or punching bending method riveting without additional element sufficient for installation.
  • the division of the outlet rail 29B in Two outlet rail parts allow an easy-to-perform surface refinement of the connection angles or connection lugs.
  • the two outlet rail parts themselves remain unaltered. How to get in Fig. 8 can also recognize the fuse contacts, such as in Fig. 8 illustrated outlet contact 28B, contact springs 30B, 31B have.
  • the in Fig. 8 illustrated fuse contact angle 32 B is attached to a first end of the two parallel outgoing rail parts of the outlet rail 29 B between the two outlet rail parts.
  • the connection angle 25 is located at a second end of the two parallel outgoing rail parts and is also attached in a simple manner between the two outlet rail parts.
  • the two parallel outgoing rail parts of the outlet rail 29B are inserted into a running within the housing 2 of the fuse load disconnect strip 1 parallel to the two side walls of the housing 2 inner guide channel 33-1.
  • the two inner guide channels 33-1, 33-2 each at least one further parallel outer guide channel 34-1, 34-2 for receiving electrical lines.
  • the two inner guide channels 33-1, 33-2 and the two outer guide channels 34-1, 34-2 within the housing 2 extend in the mounted state of the fuse load disconnect bar 1 substantially vertically, so that the power loss heat of the outlet rails 29A, 29B, 29C and the electrical leads is discharged through openings at the upper end face 2A of the housing 2 through the outside.
  • Fig. 9 shows a view of the upper end face 2A of the housing 2 of the fuse load disconnector 1. It can be seen in Fig. 9 Schutzgasauslassö réelleen 35-1, 35-2 and outlet openings 36-1, 36-2 for discharging the heated air, which escapes from the two bathableitkanälen 3-1, 3-2. Furthermore, one recognizes openings 37-1, 37-2 for the two outer guide channels 34-1, 34-2 and openings 38-1, 38-2 for the two inner guide channels 33-1, 33-2.
  • Fig. 10 shows a view of an embodiment of the fuse-load disconnect bar 1 according to the invention from above, with the upper part of the housing 2 is removed, as in Fig. 5 represented, and the fuse links used 5A, 5B, 5C can be seen.
  • outlet rail 29B and the other two outlet rails 29A, 29C may be integrally formed in a possible embodiment.
  • the exit rails 29A, 29B, 29C consist of parallel exit rail sections. The arrangement of the parallel outgoing rail parts, the heat dissipation is increased due to the larger surface, in addition, a cross-sectional reduction is achieved to save copper material.
  • the contact protection hoods 15A, 15B, 15C have for this purpose specially provided switching gas outlet openings 20A, 20B, 20C, 21A, 21B, 21C, which are present in an upper region of the contact protection hoods 15A, 15B, 15C.
  • this can be completed in the open and / or closed position. Lockability in the open position ensures e.g. During a maintenance process, that no unintentional reconnection can take place.
  • the fuse links 5A, 5B, 5C are formed as fuses and generate a relatively high power dissipation of, for example, more than 60 watts, so that a total of more than 180 watts heat dissipation heat is produced.
  • the heat dissipation channel 3 is preferably dimensioned such that it reliably removes such a high heat loss power without exceeding the temperature limits of the corresponding standard.

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  • Fuses (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Claims (21)

  1. Réglette de sectionnement à fusibles (1) pour fusibles à basse tension et à haute puissance,
    dans laquelle, à l'intérieur d'un boîtier (2) de la réglette de sectionnement à fusibles (1) pour chaque phase de courant à sectionner, une paire de contacts à fusible est prévue pour recevoir un fusible (5A, 5B, 5C), caractérisée en ce qu'une chaleur de dissipation d'énergie générée par les fusibles (5A, 5B, 5C) est dérivée latéralement par des fentes de dérivation de chaleur (7A, 7B, 7C) dans au moins un canal de dérivation de chaleur (3) prévu latéralement sur le boîtier (2) de la réglette de sectionnement à fusibles (1) et évacuée par des orifices d'évacuation sur la face frontale (2A) du boîtier (2).
  2. Réglette de sectionnement à fusibles selon la revendication 1,
    dans laquelle des gaz de commutation sont dérivés dans au moins un canal de dérivation des gaz de commutation (8A, 8B, 8C) prévu latéralement sur le boîtier (2) de la réglette de sectionnement à fusibles (1) et séparé du canal de dérivation de chaleur.
  3. Réglette de sectionnement à fusibles selon la revendication 1 ou 2,
    dans laquelle chaque paire de contacts à fusibles présente deux contacts à fusibles qui sont chacun recouverts de deux têtes de capot (16A, 16B, 16C ; 17A, 17B, 17C) par l'intermédiaire d'un capot de protection contre les contacts (15A, 15B, 15C) symétrique.
  4. Réglette de sectionnement à fusibles selon la revendication 3,
    dans laquelle les têtes (16A, 16B, 16C ; 17A, 17B, 17C) des capots de protection contre les contacts (15A, 15B, 15C) présentent des orifices de sortie de chaleur (18A, 18B, 18C, 19A, 19B, 19C) et des orifices de commutation de gaz (20A, 20B, 20C, 21A, 21B, 21C) séparés de ceux-ci.
  5. Réglette de sectionnement à fusibles selon une des revendications précédentes 1 à 4,
    dans laquelle la réglette de sectionnement à fusibles (1) est montée transversalement sur des barres omnibus s'étendant sensiblement horizontalement et plusieurs fusibles (5A, 5B, 5C) prévus pour les différentes barres omnibus à l'intérieur du boîtier (2) de la réglette de sectionnement à fusibles montée (1) sont disposés en rangée les uns en dessous des autres.
  6. Réglette de sectionnement à fusibles selon la revendication 5,
    dans laquelle, sur une ou les deux parois latérales du boîtier (2) de la réglette de sectionnement à fusibles (1) montée sur les barres omnibus, au moins un canal de dérivation de chaleur (3) s'étendant verticalement est prévu, par lequel s'échappe la chaleur de dissipation d'énergie générée par les fusibles (5A, 5B, 5C).
  7. Réglette de sectionnement à fusibles selon la revendication 5 ou 6,
    dans laquelle, sur une ou les deux parois latérales du boîtier (2) de la réglette de sectionnement à fusibles (1) montée sur les barres omnibus (1), au moins un canal de dérivation de gaz de commutation (8A, 8B, 8C) s'étendant verticalement est prévu pour dériver un gaz de commutation généré lors de la commutation.
  8. Réglette de sectionnement à fusibles selon une des revendications précédentes 1 à 7,
    dans laquelle un contact à fusible d'une paire de contacts à fusible (27A, 27B, 27C, 28A, 28B, 28C) est reliée, par le biais d'une équerre de contact à fusible (32A, 32B, 32C) et de deux parties plates d'un rail de sortie (29A, 29B, 29C) s'étendant parallèlement, à une équerre de raccordement correspondant (24, 25, 26).
  9. Réglette de sectionnement à fusibles selon la revendication 8,
    dans laquelle l'équerre de contact à fusible (32A, 32B, 32C) est fixée à une première extrémité des deux parties de rail de sortie s'étendant parallèlement entre les deux parties du rail de sortie correspondant (29A, 29B, 29C).
  10. Réglette de sectionnement à fusibles selon la revendication 8 ou 9,
    dans laquelle l'équerre de raccordement (24, 25, 26) est fixée à une seconde extrémité des deux parties de rail de sortie s'étendant parallèlement entre les deux parties du rail de sortie correspondant (29A, 29B, 29C).
  11. Réglette de sectionnement à fusibles selon une des revendications précédentes 1 à 10,
    dans laquelle les parties des rails de sortie (29A, 29B, 29C) s'étendant parallèlement sont chacune insérées dans un canal de guidage (33) intérieur s'étendant à l'intérieur d'une partie inférieure (2C) du boîtier (2) de la réglette de sectionnement à fusibles (1) parallèlement aux parois latérales du boîtier (2).
  12. Réglette de sectionnement à fusibles selon une des revendications précédentes 1 à 11,
    dans laquelle, entre les parois latérales du boîtier (2) et le canal de guidage intérieur (33), au moins un autre canal de guidage (34) s'étendant parallèlement est prévu pour recevoir des lignes électriques.
  13. Réglette de sectionnement à fusibles selon la revendication 11 et 12,
    dans laquelle les canaux de guidage (33, 34) s'étendent sensiblement verticalement à l'intérieur du boîtier (2) de la réglette de sectionnement à fusibles (1) montée sur les barres omnibus,
    dans laquelle la chaleur dissipée des rails de sortie (29A, 29B, 29C) et/ou des lignes électriques est évacuée vers le haut par des orifices du boîtier (2) traversant vers l'extérieur.
  14. Réglette de sectionnement à fusibles selon une des revendications précédentes 1 à 13,
    dans laquelle le canal de dérivation de chaleur (3) et le canal de dérivation de gaz de commutation (8A, 8B, 8C) s'étendent chacun sous la forme d'un creux en forme de bac sur la longueur des parois latérales du boîtier (2) de la réglette de sectionnement à fusibles (1) et forment, avec un canal de dérivation de chaleur et une conduite de gaz de commutation d'une autre réglette de sectionnement à fusibles disposée directement à côté, deux canaux fermés pour dériver de manière séparée la chaleur de dissipation d'énergie et les gaz de commutation.
  15. Réglette de sectionnement à fusibles selon une des revendications précédentes 1 à 14,
    dans laquelle, pour sectionner une phase de courant (L1, L2, L3), le fusible correspondant (5A, 5B, 5C) peut basculer en dehors de la paire de contacts à fusible correspondante.
  16. Réglette de sectionnement à fusibles selon une des revendications précédentes 1 à 15,
    dans laquelle plusieurs phases de courant (L1, L2, L3) sont sectionnables simultanément au moyen d'une poignée de commutation (4) actionnable manuellement et disposée centralement, la poignée de commutation (4) étant disposée sur une barre d'entraînement située dans le boîtier (2) de la réglette de sectionnement à fusibles (1), qui ouvre le couvercle (6A, 6B, 6C) pour les inserts de fusibles (5A, 5B, 5C), les inserts de fusibles (5A, 5B, 5C) étant basculés en dehors des paires de contacts à fusibles (27A, 28A ; 27B, 28B ; 27C, 28C) associées aux phases de courant (L1, L2, L3).
  17. Dispositif de distribution de courant comportant plusieurs barres omnibus s'étendant sensiblement horizontalement pour différentes phases de courant (L1, L2, L3) d'un système d'alimentation en courant polyphasé,
    dans lequel au moins une réglette de sectionnement à fusibles (1) pour des fusibles à basse tension et à haute puissance (5A, 5B, 5C) selon une des revendications précédentes 1 à 16 est montée sur les barres omnibus.
  18. Dispositif de distribution de courant selon la revendication 17,
    dans lequel le dispositif de distribution de courant est conçu pour des courants nominaux supérieurs à 600 ampères.
  19. Dispositif de distribution de courant selon une des revendications précédentes 17 à 18,
    dans lequel les barres omnibus sont disposées à une distance de barres de 185 mm et présentent chacune une largeur de barre omnibus jusqu'à 120 mm.
  20. Dispositif de distribution de courant selon une des revendications précédentes 17 à 19,
    dans lequel les fusibles (5A, 5B, 5C) sont des fusibles NH ou des fusibles UL.
  21. Dispositif de distribution de courant selon une des revendications précédentes 17 à 20,
    dans lequel la réglette de sectionnement à fusibles (1) est commutable de manière unipolaire ou multipolaire.
EP14156859.2A 2014-02-26 2014-02-26 Réglette de sectionnement pour fusibles basse tension grande puissance Active EP2913835B3 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP14156859.2A EP2913835B3 (fr) 2014-02-26 2014-02-26 Réglette de sectionnement pour fusibles basse tension grande puissance
PL14156859T PL2913835T6 (pl) 2014-02-26 2014-02-26 Bezpiecznikowy rozłącznik listwowy do niskonapięciowych bezpieczników dużych mocy
DK14156859.2T DK2913835T3 (en) 2014-02-26 2014-02-26 Circuit breaker separator for low voltage high power fuses
SI201430153A SI2913835T1 (sl) 2014-02-26 2014-02-26 Varovalna letev za ločitev bremena za nizkonapetostne močnostne varovalke
CN201510087850.4A CN104868366B (zh) 2014-02-26 2015-02-25 用于低电压高功率熔断器的熔断器负载断路开关
US14/631,034 US9721745B2 (en) 2014-02-26 2015-02-25 Fuse load-break switch for low-voltage high-power fuses
BR102015004257-4A BR102015004257B1 (pt) 2014-02-26 2015-02-26 Disjuntor de fusível para fusíveis de baixa tensão e alta potência e disposição de distribuição de corrente

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14156859.2A EP2913835B3 (fr) 2014-02-26 2014-02-26 Réglette de sectionnement pour fusibles basse tension grande puissance

Publications (3)

Publication Number Publication Date
EP2913835A1 EP2913835A1 (fr) 2015-09-02
EP2913835B1 true EP2913835B1 (fr) 2016-12-07
EP2913835B3 EP2913835B3 (fr) 2021-05-19

Family

ID=50156682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14156859.2A Active EP2913835B3 (fr) 2014-02-26 2014-02-26 Réglette de sectionnement pour fusibles basse tension grande puissance

Country Status (7)

Country Link
US (1) US9721745B2 (fr)
EP (1) EP2913835B3 (fr)
CN (1) CN104868366B (fr)
BR (1) BR102015004257B1 (fr)
DK (1) DK2913835T3 (fr)
PL (1) PL2913835T6 (fr)
SI (1) SI2913835T1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP4102530A1 (fr) 2021-06-07 2022-12-14 Jean Müller GmbH Elektrotechnische Fabrik Baguette de commutation pourvue de plusieurs couvercles de sécurité pivotants ensemble dans la baguette de commutation

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EP3540752B1 (fr) * 2018-03-15 2022-05-11 Wöhner GmbH & Co. KG Elektrotechnische Systeme Disjoncteur-sectionneur à nh-fusibles

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DE611040C (de) * 1931-06-02 1935-03-21 Fritz Driescher Schaltvorrichtung fuer Kabelverteilungssystem mit von Hand abschaltbaren, in ihrer Laengsrichtung senkrecht uebereinander angeordneten, schalthebelartig an einer Grundplatte angelenkten, zu einem Stromkreis gehoerenden Sicherungen
AT403226B (de) 1996-01-18 1997-12-29 Schneider Schaltgeraetebau Und Lastschaltleiste
EP0926692B1 (fr) * 1996-02-28 2001-08-08 Wermelinger AG Fusible-interrupteur et/ou fusible-sectionneur
GB9825900D0 (en) * 1998-11-27 1999-01-20 Schneider Ltd Fuse handler
JP2000223001A (ja) * 1999-01-27 2000-08-11 Yazaki Corp 電源遮断装置
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DE102006022374B4 (de) * 2006-05-12 2014-07-03 Wöhner GmbH & Co. KG Elektrotechnische Systeme Schaltgerät
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DE102010028685B4 (de) * 2010-05-06 2015-07-23 Wöhner GmbH & Co. KG Elektrotechnische Systeme Vorrichtung zur Aufnahme einer zylindrischen Sicherung und Schaltgerät
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EP4102530A1 (fr) 2021-06-07 2022-12-14 Jean Müller GmbH Elektrotechnische Fabrik Baguette de commutation pourvue de plusieurs couvercles de sécurité pivotants ensemble dans la baguette de commutation

Also Published As

Publication number Publication date
EP2913835B3 (fr) 2021-05-19
BR102015004257A2 (pt) 2015-12-22
PL2913835T6 (pl) 2022-05-30
SI2913835T1 (sl) 2017-03-31
US20150243467A1 (en) 2015-08-27
US9721745B2 (en) 2017-08-01
CN104868366B (zh) 2018-04-17
EP2913835A1 (fr) 2015-09-02
DK2913835T3 (en) 2017-03-20
BR102015004257B1 (pt) 2022-07-12
PL2913835T3 (pl) 2018-04-30
CN104868366A (zh) 2015-08-26

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