EP2913835B3 - 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
EP2913835B3
EP2913835B3 EP14156859.2A EP14156859A EP2913835B3 EP 2913835 B3 EP2913835 B3 EP 2913835B3 EP 14156859 A EP14156859 A EP 14156859A EP 2913835 B3 EP2913835 B3 EP 2913835B3
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
load
housing
breaker assembly
fuse
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
EP2913835B1 (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.)
Wohner Besitz GmbH
Woehner Besitz GmbH
Original Assignee
Wohner Besitz GmbH
Woehner Besitz GmbH
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 Wohner Besitz GmbH, Woehner Besitz GmbH filed Critical Wohner Besitz GmbH
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 switch disconnectors are used as power distribution components for the electrical energy supply within buildings, for example office centers or companies, as well as in electricity supply companies. Fuse switch disconnectors are used as power distribution components for currents with high current amplitudes.
  • the fuse switch disconnectors can be mounted on busbars for different current phases of a multi-phase power supply system.
  • the busbars usually run horizontally and the fuse switch disconnectors are mounted transversely or vertically on the busbars.
  • a fuse contact pair for receiving a fuse link is provided for each current phase to be separated.
  • the fuses or fuse inserts are thus arranged in a row essentially perpendicular to one another after they have been mounted on the busbars.
  • a disadvantage of conventional fuse switch disconnectors is that heat loss generated by the fuse links or fuses flows upwards within the housing of the fuse switch disconnector, so that a build-up of heat can arise in the upper area within the housing, through which those located in this area can build up Fuse links can be heated inadmissibly.
  • the heat build-up in the upper area of the housing of the fuse switch disconnector can cause the fuse links located there to age due to the increased temperature, which means that uncontrolled triggering of the fuse links concerned cannot be ruled out.
  • a fuse switchgear device which has, inter alia, at least one insulating material housing, at least one movable fuse holder for a fuse link and at least one connection space equipped with contact means for receiving the fuse link.
  • a switching device for separating three current conductors and a neutral conductor is used to separate the three current conductors and a second switching device with a separating element is used to separate the neutral conductor.
  • the EP 1 045 414 A1 a fuse switch disconnector in strip design for NH fuses disclosed.
  • the switch has a lower strip part which has, among other things, means for conducting current and making contact to the fuses, means for fastening the switch on the rail system and means for clamping connection lines.
  • the invention accordingly creates a fuse switch disconnector for low-voltage high-performance fuses, with a fuse contact pair for receiving a fuse link being provided within a housing of the fuse switch disconnector for each current phase to be separated, the fuse switch disconnector being characterized in that a heat loss generated by the fuse links in at least one laterally provided on the housing of the fuse switch disconnector heat dissipation channel is derived.
  • switching gases are diverted into a switch gas discharge duct which is provided on the side of the housing of the fuse switch disconnector and is separated from the heat dissipation duct.
  • each fuse contact pair has two fuse contacts, each of which is covered by a protective cover.
  • the contact protection hood is preferably symmetrical and has two hood heads.
  • the two hood heads of the touch protection hood each have outlet openings for releasing heat into the heat dissipation channel and for releasing switching gases into the switching gas discharge channel.
  • the fuse switch-disconnector is mounted transversely on essentially horizontally running busbars, with several fuse inserts provided for the various busbars being arranged in a row within the housing of the mounted fuse switch-disconnector.
  • a vertical heat dissipation channel is provided on one of the two side walls of the housing of the fuse switch disconnector mounted on the busbars, through which the heat dissipation generated by the fuse links escapes.
  • a vertically running switch gas discharge channel is provided on one or both side walls of the housing of the fuse switch-disconnector mounted on the busbars to divert a switch gas generated when switching.
  • a Fuse contact of a fuse contact pair connected to a connection bracket via a fuse contact bracket and two parallel flat outgoing rail parts.
  • the fuse contact bracket is attached to a first end of the two parallel outgoing rail parts between the two outgoing rail parts.
  • connection bracket is attached to a second end of the two parallel outgoing rail parts between the two outgoing rail parts.
  • the parallel outgoing busbar parts are inserted in an inner guide channel running inside the housing of the fuse disconnector parallel to the side walls of the housing.
  • 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 switch-disconnector mounted on the busbars, with the heat loss from the output rails and / or the electrical lines being dissipated upwards through openings in the housing.
  • the heat dissipation channel and the switching gas discharge channel each run as a trough-shaped recess along the side walls of the housing of the fuse switch disconnector and, together with a heat dissipation channel and a switching gas channel, form two closed channels for the separate dissipation of heat dissipation and a switching gas channel of another fuse switch disconnector arranged directly next to it the switching gases.
  • the corresponding fuse link can be pivoted out of the associated fuse contact pair in order to separate a current phase.
  • fuse switch disconnector In a possible embodiment of the fuse switch disconnector according to the invention, several current phases can be separated simultaneously by means of a centrally arranged, manually operable switch handle.
  • the manually operated 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 also provides a power distribution arrangement having the features specified in claim 17.
  • the invention accordingly creates a power distribution arrangement with a plurality of essentially horizontally running busbars for different power phases of a multiphase power supply system, at least one fuse switch disconnector for low-voltage, high-performance fuses is mounted on the busbars, wherein the fuse switch disconnector has a housing and within the housing of the fuse switch disconnector a pair of fuse contacts is provided for each current phase to be separated to accommodate a fuse link, wherein a heat loss generated by the fuse links is dissipated in at least one heat dissipation channel provided on the side of the housing of the fuse switch disconnector.
  • the current 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 switch-disconnector can be switched on one pole.
  • the fuse switch disconnector is multi-pole switchable.
  • Fig. 1 shows an embodiment of a fuse switch disconnector 1 according to the invention for low-voltage high-performance fuses.
  • the in Fig. 1 The illustrated embodiment, the fuse switch disconnector 1 is three-pole and is used to accommodate three low-voltage high-performance fuses for three different current phases.
  • the in Fig. 1 The illustrated embodiment, the fuse switch disconnector 1 is multi-pole switchable, that is, all current phases can be separated simultaneously by operating a switch handle.
  • the fuse switch-disconnector 1 is single-pole switchable, ie each current phase L1, L2, L3 to be separated can be separated separately by means of an associated switch handle 4.
  • the fuse switch disconnector 1 has a housing 2.
  • the housing 2 is preferably composed of several 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 heat loss generated by the fuse links 5A, 5B, 5C is dissipated in a heat dissipation channel 3 provided on the side of the housing 2 of the fuse switch-disconnector 1, as shown in FIG Fig. 1 is shown.
  • a manually operable switch handle 4 is provided in the center of the housing 2 of the fuse switch-disconnector 1.
  • the switch handle 4 is preferably attached to a movable push rod located in the housing 2 of the fuse switch disconnector 1, which pivots the fuse links 5A, 5B, 5C out of the fuse contact pairs associated with the current phases L1, L2, L3.
  • Fig. 2 shows the fuse switch disconnector 1 after actuation of the switch handle 4 in the open switch position.
  • Fig. 2 the swiveled out fuse links 5A, 5B, 5C for the three current phases L1, L2, L3.
  • Fig. 2 the three swiveled out covers 6A, 6B, 6C for the three power inserts 5A, 5B, 5C.
  • the switch handle 4 for single-pole switching of the current phase is attached to the middle cover 6B. How to get out Fig. 2 can see, the swiveled-out fuse links 5A, 5B, 5C are easily accessible to an operator and can be easily exchanged.
  • Fig. 2 shows the fuse switch disconnector 1 after actuation of the switch handle 4 in the open switch position.
  • the multi-pole switchable fuse switch-disconnector 1 shown can be mounted transversely on busbars that run essentially horizontally. After assembly, the various fuse links 5A, 5B, 5C provided for the busbars are arranged in a row below one another within the housing 2 of the assembled fuse switch-disconnector 1. How to get in Fig. 1, 2 can recognize, a vertically running heat dissipation channel 3 is provided on one or preferably on both side walls of the housing 2 of the fuse switch disconnector 1 mounted on the busbars, through which the heat dissipation generated by the fuse links 5A, 5B, 5C in a vertical direction upwards towards a upper end face 2A of the housing 2 escapes.
  • two heat dissipation channels 3-1, 3-2 are provided as trough-shaped depressions on the two side walls of the housing 2 of the fuse switch disconnector 1. If, in this case, several fuse switch disconnectors 1 are mounted next to one another on the busbars, the trough-shaped recess of the heat dissipation channel 3 together with the trough-shaped recess of the heat dissipation channel 3 'of the immediately adjacent fuse switch disconnection bar 1' together form a closed channel through which the heat loss can escape upwards.
  • the housing 2 has slots or openings 12 on a lower end face 2B so that the heat dissipation channel 3 forms a chimney, so to speak, through which the heated air passes upwards through pull-out openings 36-1, 36-2 on the upper end face 2A can escape, as in Fig. 5 recognizable.
  • the housing 2 has laterally for the various fuse links 5A, 5B, 5C each heat dissipation slots 7A, 7B, 7C, through which heat or thermal energy can escape from the interior of the housing 2 in the heat dissipation channel 3, which from there is transported upwards through vent openings on the front side 2A.
  • the heat dissipation channel 3 is supplied with cool air via the openings provided on the lower end face 2B, which air inevitably transports the safety heat escaping laterally 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 can have a busbar width of up to 120 mm.
  • the fuse switch disconnector 1 can be pulled under load, whereby the manually operated switch handle 4, as in FIG Fig. 2 shown, is preferably pivoted downwards.
  • the switching linkage located in the housing 2 is actuated by this pivoting movement, the fuse links 5A, 5B, 5C being pivoted out of a contact of the associated fuse contact pair to separate the associated current phase L1, L2, L3.
  • the shift linkage opens the covers 6A, 6B, 6C so that the pivoted-out fuse links 5A, 5B, 5C, as in FIG Fig. 2 displayed, visible and exchangeable.
  • switching gases in particular ionized air, with contact material particles, in particular copper particles, are produced.
  • the switching gases can be generated at high pressure.
  • the switching gases with the metallic particles contained therein can be electrically conductive.
  • the switching gases produced are diverted in a switching gas discharge channel 8A, 8B, 8C provided on the side of the housing 2 of the fuse switch disconnector 1 and separated from the heat dissipation channel 3, as in FIG Figures 1, 2 shown.
  • a separate switching gas discharge channel 8A, 8B, 8C for discharging the switching gases is provided for each fuse link or each fuse contact pair.
  • each switching gas discharge channel 8A, 8B, 8C can have outlet channels or outlet slots, through which the explosively arising switching gases exit from the interior of the housing 2 into the switching gas discharge channel 8A, 8B, 8C.
  • these outlet openings can have angled fins which deflect the gas that is formed in an explosive manner, the gas being released being braked. In this way, for example, a distance to grounded components can be reduced.
  • the outlet channels for the switching gases make it possible to dispense with quenching plates or the like in one possible embodiment.
  • Fig. 3 shows a view of a fuse switch disconnector 1 obliquely from below.
  • the fuse switch disconnector 1 is located in Fig. 3 in the closed position.
  • the cable lugs 10 are shielded by a cover 11.
  • Fig. 4 shows a further view of a fuse switch disconnector 1 obliquely from above, with an upper part of the housing 2 being separated with the switch handle 4 so that the fuse links located within the housing 2 are visible when they are not pivoted out.
  • the fuse links 5A, 5B, 5C are, for example, NH fuses, which are intended for rated currents of up to 630 amperes.
  • a pair of fuse contacts is provided to accommodate a fuse link or fuse 5A, 5B, 5C.
  • the heat or thermal energy generated by the fuse links 5A, 5B, 5C is released laterally through the slots 7A, 7B, 7C to the heat dissipation channel 3.
  • the fuse links 5A, 5B, 5C can be swiveled out by operating the switch handle 4 to disconnect the respective current phase L1, L2, L3.
  • the switching gases produced during switching are released to the switching exhaust gas ducts 8A, 8B, 8C.
  • the Power loss heat of the fuse links 5A, 5B, 5C kept low, whereby it is ensured in any case that the temperature limit values according to the standard are not exceeded.
  • Fig. 5 shows a further view of an embodiment of the fuse switch disconnector 1 according to the invention, with a in comparison to Fig. 4 another part, namely the upper part of the bar, has been removed.
  • the heat dissipation channel 3 with the heat dissipation slots 7A, 7B, 7C provided on the side of the fuse inserts 5A, 5B, 5C.
  • the heat dissipation slots 7A, 7B, 7C are located in the immediate vicinity of the fuse links 5A, 5B, 5C and enclose them in order to dissipate as much thermal energy as possible into the heat dissipation channel 3.
  • On 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 with two fuse contacts is provided, the two fuse contacts in the closed switching position of the fuse switch-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 switch disconnector 1 according to the invention, wherein the fuse links 5A, 5B, 5C have been 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 contact protection hood 15A, 15B, 15C has two hood heads 16A, 17A, 16B, 17B, 16C, 17C.
  • the protective covers 15A, 15B, 15C do not need to be removed from the lower part of the bar. The complete lower part of the bar is rotated if the connection direction has to be changed.
  • the upper part of the bar is placed unchanged on the lower part of the bar and locked so that the operating direction is retained, as in the Figures 11a, 11b, 11c shown.
  • the hood heads 16A, 16B, 16, 17A, 17B, 17C on the contact protection hoods 15A, 15B, 15C have heat outlet openings 18A, 18B, 18C and 19A, 19B, 19C and switching gas outlet openings 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 in Fig.
  • switching contact blades 13A, 13B, 13C, 14A, 14B, 14C are insertable.
  • Fig. 6 one can see the contact slots 22A, 22B, 22C present in the upper hood heads 16A, 16B, 16C and the contact slots 23A, 23B, 23C present in the lower hood heads 17A, 17B, 17C.
  • the switching gases produced 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 released through the heat dissipation slots 18A, 18B, 18C, 19A, 19B, 19C reaches the two laterally provided heat dissipation channels 3.
  • the contact lug 26 can be provided either for the current phase L1 or for the current phase L3 depending on the positioning of the fuse switch disconnector 1.
  • Fig. 7 shows a further view of a possible embodiment of the fuse switch-disconnector 1 according to the invention, the lower part of the bar being 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 to a connection bracket or a contact lug 24, 25, 26 via a fuse contact bracket and an outgoing rail.
  • Fig. 8 made clear.
  • the fuse contact 27B located at the top in the assembled state of the fuse switch disconnector 1 touches an associated busbar via an access rail 39B in the assembled state.
  • the upper fuse contact 27B forms an access contact for the fuse contact pair 27B, 28B of the second current phase L2.
  • Opposite the access contact 27B is an outgoing contact 28B, which is connected via an outgoing rail 29B to a connection bracket or to the lug 25 provided for the current phase L2.
  • the outgoing rail 29B can, as in Fig. 8 shown, be connected to the connecting bracket 25 with two parallel flat outlet rail parts. In this embodiment, the outgoing rail 29B is designed as two parallel rails.
  • the connection bracket 25 is attached between the two outlet rail parts. In the Fig.
  • the embodiment shown offers the advantage that a riveting without an additional element is sufficient for assembly by means of a clinching process or a punching and bending process.
  • the division of the outgoing rail 29B into two outgoing rail parts permits a surface refinement of the connection angles or connection lugs that can be carried out in a simple manner.
  • the two exit rail parts themselves remain unfinished.
  • the fuse contacts such as the one in Fig. 8 Outgoing contact 28B shown, contact springs 30B, 31B have.
  • the in Fig. 8 illustrated fuse contact bracket 32B is at a first
  • the end of the two parallel outgoing rail parts of the outgoing rail 29B is fastened between the two outgoing rail parts.
  • the connection bracket 25 is located at a second end of the two parallel outgoing rail parts and is also fastened in a simple manner between the two outgoing rail parts.
  • the two parallel outgoing rail parts of the outgoing rail 29B can be inserted into an inner guide channel 33-1 running inside the housing 2 of the fuse switch-disconnector 1 parallel to the two side walls of the housing 2.
  • an inner guide channel 33-1 running inside the housing 2 of the fuse switch-disconnector 1 parallel to the two side walls of the housing 2.
  • the two inner guide channels 33-1, 33-2 in each case 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 run essentially vertically in the assembled state of the fuse switch-disconnector 1, so that the heat loss of the output rails 29A, 29B, 29C and the electrical lines are discharged to the outside through openings on the upper end face 2A of the housing 2.
  • Fig. 9 shows a view of the upper end face 2A of the housing 2 of the fuse switch disconnector 1. It can be seen in Fig. 9 Inert gas outlet openings 35-1, 35-2 and outlet openings 36-1, 36-2 for releasing the heated air which escapes from the two heat dissipation channels 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. 11 shows a view of an embodiment of the fuse switch-disconnector 1 according to the invention from above, with the upper part of the housing 2 removed, as in FIG Fig. 5 shown, and the inserted fuse links 5A, 5B, 5C can be seen.
  • the illustrated outlet rail 29B and the two further outlet rails 29A, 29C can be formed in one piece in one possible embodiment.
  • the outgoing rails 29A, 29B, 29C consist of outgoing rail parts arranged in parallel. The arrangement of the outgoing rail parts running in parallel increases the heat dissipation due to the larger surface area, whereby a cross-section reduction is also achieved in order to save copper material.
  • the contact protection hoods 15A, 15B, 15C have switching gas outlet openings 20A, 20B, 20C, 21A, 21B, 21C which are provided in an upper area of the contact protection hoods 15A, 15B, 15C.
  • this can be locked in the open and / or closed position. The lockability in the open position ensures, e.g. during a maintenance process, that no unintentional restart can take place.
  • the fuse links 5A, 5B, 5C are designed as fuses and generate a relatively high power loss of, for example, more than 60 watts, so that a total of more than 180 watts of heat loss results.
  • the heat dissipation channel 3 is preferably dimensioned in such a way that it safely removes such a high heat dissipation without exceeding the temperature limit values of the corresponding standard.

Landscapes

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

Claims (20)

  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),
    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.
  2. Réglette de sectionnement à fusibles selon la revendication 1,
    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.
  3. Réglette de sectionnement à fusibles selon la revendication 2,
    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.
  4. Réglette de sectionnement à fusibles selon une des revendications précédentes 1 à 3,
    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.
  5. Réglette de sectionnement à fusibles selon la revendication 4,
    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).
  6. Réglette de sectionnement à fusibles selon la revendication 4 ou 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 (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.
  7. Réglette de sectionnement à fusibles selon une des revendications précédentes 1 à 6,
    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).
  8. Réglette de sectionnement à fusibles selon la revendication 7,
    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).
  9. Réglette de sectionnement à fusibles selon la revendication 7 ou 8,
    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).
  10. Réglette de sectionnement à fusibles selon une des revendications précédentes 1 à 9,
    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).
  11. Réglette de sectionnement à fusibles selon une des revendications précédentes 1 à 10,
    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.
  12. Réglette de sectionnement à fusibles selon la revendication 10 et 11,
    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.
  13. Réglette de sectionnement à fusibles selon une des revendications précédentes 1 à 12,
    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.
  14. Réglette de sectionnement à fusibles selon une des revendications précédentes 1 à 13,
    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.
  15. Réglette de sectionnement à fusibles selon une des revendications précédentes 1 à 14,
    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).
  16. 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 15 est montée sur les barres omnibus.
  17. Dispositif de distribution de courant selon la revendication 16,
    dans lequel le dispositif de distribution de courant est conçu pour des courants nominaux supérieurs à 600 ampères.
  18. Dispositif de distribution de courant selon une des revendications précédentes 16 à 17,
    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.
  19. Dispositif de distribution de courant selon une des revendications précédentes 16 à 18,
    dans lequel les fusibles (5A, 5B, 5C) sont des fusibles NH ou des fusibles UL.
  20. Dispositif de distribution de courant selon une des revendications précédentes 16 à 19,
    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 EP2913835B1 (fr) 2016-12-07
EP2913835B3 true 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)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3540752B1 (fr) * 2018-03-15 2022-05-11 Wöhner GmbH & Co. KG Elektrotechnische Systeme Disjoncteur-sectionneur à nh-fusibles
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

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE19917403A1 (de) * 1999-04-16 2000-10-19 Mueller Jean Ohg Elektrotech Sicherungslasttrennschalter in Leistenbauform für NH-Sicherungen
US6650222B2 (en) * 2000-12-07 2003-11-18 Cooper Technologies Company Modular fuseholder
EP1302957B1 (fr) * 2001-10-11 2014-01-22 Weber Ag Dispositif de contact haute puissance basse tension
US7561018B2 (en) * 2006-02-09 2009-07-14 Wöhner GmbH & Co. KG Fuse strip with lateral outgoing contacts and a lateral adapter module
DE102006022374B4 (de) * 2006-05-12 2014-07-03 Wöhner GmbH & Co. KG Elektrotechnische Systeme Schaltgerät
DE102007043133B3 (de) * 2007-09-11 2009-04-09 Wöhner GmbH & Co. KG Elektrotechnische Systeme Lasttrennschalter
EP2112675B1 (fr) * 2008-04-01 2014-11-12 Wöhner GmbH & Co. KG Elektrotechnische Systeme Interrupteur-sectionneur à fusibles
US8098126B2 (en) * 2009-04-22 2012-01-17 Lg Chem, Ltd. High voltage service disconnect assembly
EP2367192B1 (fr) * 2010-03-16 2014-05-14 Jean Müller GmbH Elektrotechnische Fabrik Dispositif de commutation destiné à la séparation de trois conducteurs électriques et d'un conducteur neutre
DE102010028685B4 (de) * 2010-05-06 2015-07-23 Wöhner GmbH & Co. KG Elektrotechnische Systeme Vorrichtung zur Aufnahme einer zylindrischen Sicherung und Schaltgerät
PL2506284T3 (pl) * 2011-03-30 2016-12-30 Rozłącznik bezpiecznikowy listwowy
US9136083B2 (en) * 2013-03-15 2015-09-15 Regal Beloit America, Inc. Enclosed bus bar fuse holder

Also Published As

Publication number Publication date
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
EP2913835B1 (fr) 2016-12-07
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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