EP3815124B1 - Utilisation d'une fusible pour une transmission de courant continu - Google Patents

Utilisation d'une fusible pour une transmission de courant continu Download PDF

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Publication number
EP3815124B1
EP3815124B1 EP19805655.8A EP19805655A EP3815124B1 EP 3815124 B1 EP3815124 B1 EP 3815124B1 EP 19805655 A EP19805655 A EP 19805655A EP 3815124 B1 EP3815124 B1 EP 3815124B1
Authority
EP
European Patent Office
Prior art keywords
fuse
direct current
voltage
fusible conductor
rated
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
EP19805655.8A
Other languages
German (de)
English (en)
Other versions
EP3815124A1 (fr
Inventor
Dirk Wilhelm
Jens Weber
Johannes-Georg GÖDEKE
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.)
Siba Fuses GmbH
Original Assignee
Siba Fuses 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
Application filed by Siba Fuses GmbH filed Critical Siba Fuses GmbH
Priority to SI201930283T priority Critical patent/SI3815124T1/sl
Publication of EP3815124A1 publication Critical patent/EP3815124A1/fr
Application granted granted Critical
Publication of EP3815124B1 publication Critical patent/EP3815124B1/fr
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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
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/042—General constructions or structure of high voltage fuses, i.e. above 1000 V
    • 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
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/05—Component parts thereof
    • H01H85/143—Electrical contacts; Fastening fusible members to such contacts
    • H01H85/157—Ferrule-end contacts
    • 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
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/05—Component parts thereof
    • H01H85/165—Casings
    • 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
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/05—Component parts thereof
    • H01H85/055—Fusible members
    • H01H85/12—Two or more separate fusible members in parallel

Definitions

  • the invention relates to the use of a fuse for direct current transmission.
  • a direct current transmission in particular a high-voltage direct current transmission connection (HVDC connection) and/or a medium-voltage direct current transmission connection (MGDC connection), is preferred for power transmission over comparatively long distances, for example over 100 km, in view of the reduced transmission losses from a technical point of view.
  • HVDC connection high-voltage direct current transmission connection
  • MGDC connection medium-voltage direct current transmission connection
  • fuses for use in DC voltage circuits are known in the prior art. However, these are not suitable or usable for the high-voltage and/or medium-voltage direct current range.
  • the EP 3 270 403 A1 relates, for example, to such a low-voltage fuse for a DC voltage circuit.
  • the US 3,851,290A relates to a fuse for protecting direct current.
  • the CN 207 303 028 U relates to a fuse for protecting DC networks for a traction power network.
  • the PL 64 376 Y1 relates to a DC fuse that can be used to protect a high voltage.
  • the EP 2 874 174 A1 relates to a fuse for protecting a photovoltaic system.
  • the object of the present invention is now to avoid or at least substantially reduce the aforementioned disadvantages in the prior art.
  • the aforementioned object is at least essentially achieved in that a high-voltage, high-performance fuse is used to secure a direct current transmission, the direct voltage of the direct current and/or the rated voltage of the HH fuse being greater than 4 kV.
  • the high-voltage, high-performance fuse is referred to below as the HV HRC fuse. Consequently, the HV HRC fuse is used in particular in a DC voltage circuit.
  • HH fuses are known in practice for securing alternating current. They are used in particular to protect AC voltages of more than 1 kV, preferably between 1 kV and 100 kV. Such HH fuses are now used according to the invention for direct current transmission.
  • HV HRC fuses are particularly suitable for direct current transmission, in particular for HVDC links or MGDC links.
  • high direct currents and/or high direct voltages can be secured with the HV HRC fuse will.
  • the prior art has refrained from using the HH fuse known from the field of alternating current transmission for direct current transmission.
  • securing in the medium-voltage and/or high-voltage area is associated with a large number of requirements and standards that must be observed.
  • a high level of sensitivity and caution with regard to the potential danger resulting from high voltages or currents has meant that known fuses have not been used "randomly" for the transmission of different types of current.
  • fuses Up to now, fuses have always been used for a special, correspondingly declared purpose. In particular, there has not been a sufficient solution for direct current transmission due to the expected problems.
  • a fuse can therefore be provided which can be used for direct current transmission in the medium-voltage and/or high-voltage level.
  • Sections of the direct current network can preferably be protected by means of HV HRC fuses.
  • the HV HRC fuse used according to the invention is a fuse which, as an overcurrent protection device, interrupts the circuit by melting a fusible conductor if the current intensity exceeds a specific value for a sufficient period of time.
  • the time required to switch the fuse is preferably very short, in particular in the millisecond range.
  • the HV HRC fuse has a fuse housing that is at least partially open on two end faces. At least one contact cap designed for electrical contacting is arranged on the front side of the fuse housing. At least one fusible conductor wound spirally and/or in a helix shape around a star-shaped fusible conductor carrier is arranged in the fuse housing.
  • the length of the HH fuse can be kept as short as possible by winding the at least one fusible conductor, since the length of the fusible conductor can be increased by the helical and/or spiral winding.
  • the required length of the fusible conductor is used to transmit the DC voltage, which does not correspond to the length of the entire HV HRC fuse because the fusible conductor is wound around the fusible conductor carrier. Ultimately, the length of the fusible conductor is greater or much greater than the length of the HH fuse.
  • the fusible conductor carrier is preferably designed in such a way that the fusible conductor rests at certain points—possibly at a plurality of contact points—in particular at least essentially with each turn. Accordingly, the fusible conductor carrier can have projections and depressions resulting between the projections. An at least essentially star-shaped configuration of the fusible conductor carrier is very particularly preferred.
  • the characteristic values and/or rated values are to be determined or ascertained for the respective HV HRC fuse that is to be used in a DC voltage circuit. These characteristics preferably differ from the characteristics of an AC HV HRC fuse.
  • the measurement voltage and/or the rated current range of the HV HRC fuse according to the invention is preferably more than 20%, preferably more than 30%, more preferably more than 50%, and/or between 10% and 90%, preferably between 20% and 80% %, more preferably between 40% and 70%, reduced or reduced in comparison to an AC voltage HH fuse of the same design.
  • the DC voltage of the transmitted direct current and/or the rated voltage or the rated voltage range of the HV HRC fuse is preferably greater than 5 kV, preferably greater than 10 kV, more preferably greater than 15 kV.
  • the DC voltage and/or the rated voltage of the HH fuse is less than 150 kV, preferably less than 100 kV, more preferably less than 75 kV, more preferably more less than 52 kV and/or between 4 kV and 100 kV, preferably between 5 kV to 80 kV, more preferably between 10 kV to 52 kV.
  • the rated voltage or the rated voltage range of the HV HRC fuse is to be understood in particular as the voltage or the voltage range at which the fuse is used and/or has been tested for the fuse.
  • a basic distinction must be made between an upper rated voltage and a lower rated voltage, with the lower rated voltage specifying the voltage at which the HV HRC fuse still switches, while the upper rated voltage represents the upper limit for the DC voltage to be transmitted. Consequently, the rated voltage or the rated voltage range specifies the permissible voltage range of the HV HRC fuse.
  • the rated voltage range corresponds to the DC voltage range that can be protected by the HV HRC fuse.
  • the smallest breaking current of the HH fuse is greater than 3 A, preferably greater than 5 A, more preferably greater than 10 A.
  • the smallest breaking current of the HH fuse is less than 1 kA, preferably less than 500 A, more preferably less than 300 A, and/or between 3 A and 700 A, preferably between 5 A and 500 A, more preferably between 15 A to 300 A.
  • the rated value of the minimum breaking current is to be understood as the smallest breaking current. From this current level, the HH fuse is able to switch the overcurrent.
  • the electrical components customers, direct current source, etc.
  • the electrical components must be arranged and/or designed on the HV HRC fuse(s) in such a way that no overcurrent can occur at the inlet point of the fuse that falls below the smallest breaking current.
  • the smallest breaking current can depend on the selected design of the HV HRC fuse. Accordingly, it is possible according to the invention to switch off comparatively low currents of the direct current at a high direct voltage.
  • the rated switching capacity is preferably greater than 1 kA, preferably greater than 10 kA, more preferably greater than 20 kA, and/or is between 1 kA and 100 kA, preferably between 10 kA and 80 kA, more preferably between 10 kA and 50 kA .
  • the rated switching capacity of the HV HRC fuse is to be understood in particular as the rated value of the largest breaking current. The largest breaking current is the maximum direct current that the fuse can still switch. Consequently, the rated switching capacity of the HV HRC fuse should be greater than the maximum short-circuit current at the point of use of the HV HRC fuse.
  • the direct current that is transmitted and secured by the HV HRC fuse and/or the rated current range is greater than 5 A, preferably greater than 10 A, more preferably greater than 15 A.
  • the direct current is between 10 A and 75 kA, preferably between 15 A and 50 kA.
  • the current strength range of the direct current to be transmitted is specified as a function of the rated switching capacity and the smallest breaking current of the HV HRC fuse.
  • HV HRC fuses can also be provided, which can be designed for the respective application.
  • the design of the HV HRC fuse can be selected depending on the direct current to be transmitted and/or the direct voltage.
  • the product (mathematical multiplication) of the direct current secured by the HH fuse and the direct voltage is preferably larger than 5 kW, preferably greater than 50 kW, more preferably greater than 700 kW.
  • the product of the direct current secured by the HV HRC fuse and the direct voltage is less than 3000 MW, preferably less than 2000 MW, more preferably less than 1000 MW, and/or between 5 kW and 3000 MW, preferably between 500 kW and 2000 MW, more preferably between 700 kW and 1000 MW.
  • the product of the direct current secured by the HV HRC fuse and the DC voltage can correspond to the power of the consumer and/or consumers secured by the HV HRC fuse (total power).
  • the aforementioned product corresponds in particular to the performance that can be secured by the HV HRC fuse.
  • the HH fuse has at least two fusible conductors, preferably between 2 and 10 fusible conductors, more preferably between 3 and 5 fusible conductors, which are arranged in the fuse housing.
  • the fusible conductors are electrically connected to one another and/or to the contact cap.
  • the direct current transmission is particularly preferably a medium-voltage direct current transmission (MGDC) and/or a high-voltage direct current transmission (HVDC), preferably in a decentralized supply network. Consequently, the HV HRC fuse can be used in networks that are arranged in the medium-voltage direct current range and/or in the high-voltage direct current range.
  • a medium-voltage direct current range is to be understood in particular as a direct voltage of greater than 1 kV, preferably greater than 2 kV, more preferably greater than 4 kV, and/or less than 50 kV, preferably less than 40 kV, more preferably less than 30 kV.
  • a high-voltage direct current range is to be understood in particular as a voltage range of more than 60 kV, preferably more than 100 kV, more preferably more than 200 kV.
  • the HV HRC fuse is preferably provided for use in a decentralized supply network, with which industrial plants, large complexes, for example shopping centers or the like, and/or a plurality of households are supplied with electricity.
  • at least one energy conversion system for generating electricity can be arranged in the decentralized supply network, by means of which the industrial plants, large complexes and/or households can be supplied.
  • the decentralized supply networks form so-called isolated solutions, which are preferably independent of the public power grid.
  • the HH fuse can preferably be arranged in a medium-voltage direct current transmission network, in particular in a medium-voltage direct current system.
  • At least one direct current device in particular an MVDC device (Medium Voltage Direct Current Device, in German: medium-voltage direct current device), can be arranged in the medium-voltage direct current transmission network.
  • the direct current can be made available to the medium-voltage direct current transmission network by an energy conversion plant.
  • the direct current comes from a photovoltaic system and/or a photovoltaic area system, in particular a solar park, and/or a wind power plant and/or a wind farm, in particular an offshore wind farm.
  • the current originating in particular from at least one of the aforementioned energy conversion systems is used to supply a self-contained or encapsulated medium-voltage and/or high-voltage network.
  • direct currents originating from renewable energies can be used to supply consumers.
  • the electricity generated in the aforementioned systems is direct current, which preferably does not have to be converted into alternating current before it is fed into the grid.
  • the fuse housing of the HH fuse is preferably designed in the form of a hollow cylinder and/or tubular.
  • the top and bottom of the fuse housing is in particular designed to be open, at least in certain areas.
  • the fuse housing can be closed, preferably firmly, by the contact cap.
  • the contact cap is placed on the fuse housing at the front.
  • the contact cap is used for electrical contacting, with the fusible conductor being electrically connected to the contact cap.
  • At least one contact cap preferably covers at least a partial area of the fuse housing, in particular a partial area of the lateral surface in the front area. Due to the area-wise overlap in the front area of the fuse housing a fixed arrangement of the contact cap on the fuse housing can be ensured.
  • another upper cap is arranged in front of the contact cap, which is placed on the contact cap and/or at least partially covers the contact cap.
  • the inner contact cap can be designed as an auxiliary cap.
  • the fuse housing has and/or consists of a ceramic material.
  • Ceramic material is to be understood in particular as meaning a large number of inorganic, non-metallic materials, which can preferably be divided into the types of earthenware, earthenware, stoneware, porcelain and/or special materials. Electroceramics and/or high-temperature special masses are preferably provided as special ceramic masses.
  • An extinguishing agent in particular an extinguishing sand filling, preferably quartz sand, and/or air can be provided in the fuse housing.
  • the extinguishing agent is used to extinguish an arc and/or to cool down the possibly melted fusible conductor or the remains of the fusible conductor.
  • the fusible conductor can be at least partially embedded in the extinguishing agent or surrounded by the extinguishing agent, so that the extinguishing agent can act on the fusible conductor, in particular when the fusible conductor melts.
  • the fusible conductor can consist of the aforementioned materials.
  • the fusible conductor is preferably designed as a fine silver strip and/or in the form of a strip.
  • the fuse housing is at least essentially hermetically encapsulated.
  • a hermetic encapsulation or blocking is to be understood as meaning an airtight and/or gas-tight sealing of the system, in particular one protected against water and/or liquids.
  • the fusible conductors are electrically connected in parallel and/or are wound at least essentially helically around the fusible conductor carrier.
  • the parallel electrical connection of the fusible conductors is advantageous with a plurality of fusible conductors in the event of a short circuit or the triggering of the HRC fuse, since the triggering of only one fusible conductor is sufficient for switching. Due to the helical winding of the fusible conductor, the length of the fusible conductor required for the fuse can be enclosed in the fuse housing.
  • the fusible conductor carrier can be formed in one piece or from several elements.
  • the fuse element carrier has and/or consists of hard porcelain as the material.
  • the fusible conductor carrier can be designed in such a way that a plurality of chambers are formed, in particular in which case a cross-sectional constriction can be provided in one chamber. Due to the constricted cross-section, a large number of partial arcs can occur on each fusible conductor when the fuse responds, so that the amount of heat converted during the opening process can be distributed evenly over the entire length of the fuse tube.
  • the HH fuse has a triggering device.
  • the tripping device can be designed for switching a device arranged on the HV HRC fuse, in particular a transformer switch and/or a load switch, preferably with trip-free release, and/or arranged in a contact cap.
  • the triggering device has a firing pin triggering mechanism. When the firing pin release mechanism is triggered, it is provided that the firing pin, which is in particular at least essentially cylindrical, pierces through the contact cap, preferably a tightly soldered copper foil.
  • the firing pin of the firing pin triggering mechanism of the triggering device can be triggered by an auxiliary fuse element.
  • the firing pin is triggered in the event of a short circuit.
  • a prestressed spring is preferably assigned to the firing pin, the spring being able to be designed in such a way that when the auxiliary fuse element is triggered, in particular in the event of a short circuit, the firing pin emerges from the end face of one of the contact caps.
  • the firing pin can act on a load switch, which can then switch off the faulty current on all poles.
  • auxiliary fusible conductor to run over the entire length of the fuse housing and/or axially through the center of the fusible conductor carrier. Accordingly, the auxiliary fusible conductor does not have to be wound around the fusible conductor carrier.
  • auxiliary fusible conductor can be connected in parallel to the fusible conductor and/or the fusible conductors, in particular so that when a fusible conductor melts, a current flows through the auxiliary fusible conductor, which leads to activation of the firing pin.
  • a safety device can preferably be assigned to the triggering device, which is designed in such a way that after the trigger pin has been triggered, it can no longer be pressed and/or displaced into the fuse housing. Accordingly, if the firing pin is triggered, the safety device prevents the firing pin from being able to resume the position it was in before it was released. In this way, the load switch to be arranged on the firing pin can be permanently actuated by the firing pin in the event of a short circuit—in particular as long as the direct current is to be capped or switched off.
  • At least one display device can be assigned to the HH fuse.
  • the display device is designed for the optical display of a state.
  • the display device can also be arranged in the contact cap.
  • the display device can be used as an alternative to the firing pin triggering mechanism and display the triggering of the fuse by means of an optical and/or acoustic signal.
  • the display device is used to inform the operating personnel that the HH fuse has tripped.
  • the contact caps have a galvanic coating and/or a silver coating.
  • the contact caps can have electrolytic copper and/or aluminum as the material and/or consist of it. The aforementioned materials enable good electrical contact.
  • the fusible conductor in particular in the form of a strip, is designed with a corrugated and/or zigzag shape and/or wave shape, preferably in cross section.
  • the corrugated or corrugated fusible conductor can be wound helically around the fusible conductor carrier.
  • the invention relates to a system with a consumer that can be supplied with direct current and with at least one HV HRC fuse.
  • the direct current is transmitted to the consumer, whereby the direct current can be secured by the HH fuse.
  • a consumer is preferably provided as the recipient.
  • the customer which can in particular also be formed from a plurality of customers, has a (total) output of between 50 kW and 300 MW, preferably between greater than 50 kW, more preferably greater than 700 kW, and/or a (Total) power of less than 3000 MW, preferably less than 2000 MW, more preferably less than 1000 MW.
  • the output of the consumer can be between 50 kW and 3000 MW, preferably between 50 kW and 2000 MW, more preferably between 700 kW and 1000 MW. Consequently, consumers with a high power can also be supplied by the direct current transmission network, which is protected according to the invention by at least one HV HRC fuse.
  • intervals and range limits contain any intermediate intervals and individual values contained therein and are to be regarded as disclosed as essential to the invention, even if these intermediate intervals and individual values are not specifically specified.
  • FIG 1A shows the use of a high-voltage, high-performance fuse 1 (HVF fuse 1) to secure a DC transmission.
  • HVF fuse 1 high-voltage, high-performance fuse 1
  • the HH fuse 1 is arranged between a direct current source 15 and a customer 8 .
  • the direct current that is transmitted to the consumer or consumers 8 flows through the HV HRC fuse 1.
  • the direct voltage of the direct current and/or the rated voltage of the HV HRC fuse 1 is greater than 4 kV.
  • the fuse housing 3 is at least essentially open at the two end faces 2.
  • the contact caps 4 are used for electrical contact.
  • the fuse box 3 is like out 3
  • at least one fusible conductor 6 is arranged, which is wound around a fusible conductor carrier 5 in a spiral or helical form.
  • the Figures 3 and 4 show that the fusible conductor carrier 5 is at least essentially star-shaped.
  • the star-shaped formation of the fusible conductor carrier 5 is also figure 5 apparent.
  • the fusible conductor carrier 5 has—seen in cross section—projections 13 or webs, with recesses or depressions 14 being provided between the projections 13 or webs.
  • the projections 13 are designed in such a way that they can be used to support the fusible conductor 6 at least essentially at certain points.
  • the fusible conductor 6 does not rest on the surface of the fusible conductor carrier 5 between the projections 13 .
  • the DC voltage of the direct current is greater than 4 kV and less than 80 kV.
  • the DC voltage can be between 4 kV and 52 kV.
  • the rated voltage or the rated voltage range of the HV HRC fuse 1 is greater than 5 kV and/or less than 100 kV and/or is between 4 kV and 100 kV, preferably between 5 kV and 80 kV.
  • the smallest breaking current of the HV HRC fuse 1 is 1 50 A ⁇ 20 A.
  • the smallest breaking current of the HV HRC fuse 1 can be greater than 3 A and/or less than 500 A and/or between 3 A and 700 A, preferably between 5 A and 500 A.
  • the rated switching capacity or the maximum breaking current of the HV HRC fuse 1 is in the in 3 illustrated embodiment greater than 1 kA and / or is between 20 kA to 50 kA.
  • the direct current source 15 shown provides direct current with a current greater than 5 amps.
  • the amperage of the direct current and/or the rated amperage range is between 10 A and 75 kA.
  • the product of the direct current secured by the HV HRC fuse 1 and the direct voltage can vary.
  • the aforementioned product is 1000 kW ⁇ 500 kW.
  • the product (mathematical multiplication) of the direct current secured by the HV HRC fuse 1 and the direct voltage can be between 5 kW and 3000 MW, in particular between 700 kW and 1000 MW.
  • the direct current transmission is a medium-voltage direct current transmission (MGDC) and/or a high-voltage direct current transmission (HVDC), in particular in a decentralized supply network.
  • Medium-voltage direct current transmission has a direct voltage of up to 30 kV.
  • a high-voltage direct current transmission has a direct voltage of over 50 kV.
  • the HV HRC fuse 1 can also be arranged in a medium-voltage direct current transmission network, in particular in a medium-voltage direct current system with at least one MVDC device.
  • the direct current source 15 is a photovoltaic system and/or a photovoltaic area system (ie a solar park) and/or a wind power plant and/or a wind park, in particular an offshore wind park.
  • the aforementioned energy conversion systems make direct current available to the direct current network.
  • the by the aforementioned energy conversion plants The electricity generated can be electrically transmitted to consumers 8 by at least one HH fuse 1.
  • a system 7 with a customer 8 that can be supplied with direct current is shown.
  • the buyer 8 is a consumer or a plurality of consumers.
  • the system 7 has an HH fuse 1 which is designed to protect the direct current transmitted to the customer 8 . What is not shown is that the output of the consumer 8 is greater than 5 kW and/or less than 2000 MW.
  • the HH fuse 1 is used in a DC network.
  • the fuse housing 3 is in the form of a hollow cylinder or tube.
  • the fuse housing 3 is firmly closed by the contact caps 4 , it being possible for the contact cap 4 to be placed on the fuse housing 3 .
  • the contact cap 4 covers at least a partial area of the lateral surface 9 in the front area of the fuse housing 3 .
  • the contact cap 4 is assigned a further upper cap, which is placed in front of the contact cap 4 and at least partially covers the contact cap 4 .
  • the contact cap 4 represents a so-called inner auxiliary cap.
  • This in 2 Fuse housing 3 shown has a ceramic material.
  • the fuse housing 3 can consist of a ceramic material.
  • an extinguishing agent is provided in the fuse housing 3 .
  • An extinguishing sand filling, preferably quartz sand, and/or air can be used as the extinguishing agent.
  • the fusible conductor 6 is at least partially, in particular completely, embedded in the extinguishing agent or surrounded by the extinguishing agent.
  • the fusible conductor 6 is formed wavy or corrugated, so that - seen in cross section - results in a zigzag shape.
  • a non-corrugated fusible conductor 6 is in 3 illustrated embodiment provided.
  • fusible conductor 6 is provided as the material silver, in particular fine silver.
  • the fusible conductor 6 can be designed as a fine silver band.
  • the fuse element 6 has and/or consists of electrolytic copper as the material.
  • the fuse housing 3 is at least essentially hermetically encapsulated.
  • the fusible conductors 6 wound helically around the fusible conductor carrier 5 are in 4 illustrated embodiment connected in parallel.
  • the inside 4 illustrated fusible conductor carrier 5 is formed in one piece.
  • the fusible conductor carrier 5 can be constructed from a number of elements. Hard porcelain can be provided as the material for the fuse element carrier 5 .
  • the fusible conductor carrier 5 can be designed in such a way that a plurality of chambers is formed, in particular with a cross-sectional constriction being provided in at least one chamber.
  • the HH fuse 1 has a tripping device 10 .
  • the tripping device 10 is designed to switch a device arranged on the HV HRC fuse 1 . This facility is not in the in 6 illustrated embodiment shown.
  • a transformer switch and/or a load switch, preferably with a trip-free mechanism, can be provided as the device.
  • the triggering device 10 is in 6 illustrated embodiment at least partially arranged in the contact cap 4.
  • the triggering device 10 has a firing pin triggering mechanism.
  • the firing pin 11 can penetrate the upper side of the contact cap 4, which is sealed against the ingress of liquids or gases when in use.
  • the firing pin 11 is connected to an auxiliary fusible conductor 12.
  • the firing pin 11 can be triggered by the auxiliary fusible conductor 12, particularly in the event of a short circuit.
  • the firing pin 11 can be associated with a preloaded spring which is designed when the auxiliary fuse element 12 is triggered in such a way that the firing pin 11 emerges from the end face of one of the contact caps 4 .
  • the firing pin 11 can act on a load switch, which can switch off the faulty current on all poles.
  • auxiliary fuse element 12 runs over the entire length of the fuse housing 3.
  • auxiliary fusible conductor 12 is routed axially through the center of the fusible conductor carrier 5 .
  • auxiliary fusible conductor 12 is electrically connected in parallel with the fusible conductor 6 or the fusible conductors 6 .
  • a safety device is assigned to the triggering device 10 .
  • the safety device can be designed in such a way that, after the firing pin 11 has been triggered, it can no longer be pressed and/or displaced into the safety housing 3 .
  • At least one display device is assigned to the HH fuse 1 as an alternative or in addition to the firing pin triggering mechanism.
  • the display device can be designed for the optical and/or acoustic display of a state and can be triggered or activated in particular when the HH fuse 1 is triggered.
  • the display device can be arranged at least partially in a contact cap 4 .
  • the contact cap 4 has a galvanic coating and/or a silver coating and/or has and/or consists of electrolytic copper and/or aluminum as the material.

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Claims (9)

  1. Utilisation d'un fusible haute tension haute puissance, ci-après dénommé fusible HH (1), pour la sécrisation d'une transmission de courant continu, la tension continue du courant continu et/ou la tension nominale du fusible HH (1) étant supérieure à 4 kV, dans laquelle
    le fusible HH (1) présente un boîtier de fusible (3) au moins partiellement ouvert sur deux faces frontales (2), au moins un capuchon de contact (4) conçu pour la mise en contact électrique étant disposé sur chaque face frontale du boîtier de fusible (3), au moins un conducteur fusible (6) enroulé en spirale autour d'un support de conducteur fusible (5) étant disposé dans le boîtier de fusible (3), le courant continu transmis et/ou la gamme de courant nominale étant supérieure à 5 A, caractérisé en ce que le support de conducteur fusible (5) est conçu en forme d'étoile.
  2. Utilisation selon la revendication 1, caractérisée en ce que la tension continue du courant continu et/ou la tension nominale du fusible HH (1) est supérieure à 5 kV, de préférence supérieure à 10 kV, plus préférablement supérieure à 15 kV, et/ou est inférieure à 150 kV, de préférence inférieure à 100 kV, plus préférablement inférieure à 75 kV, plus préférablement encore inférieure à 52 kV, et/ou est comprise entre 4 kV à 100 kV, de préférence de 4 kV à 80 kV, plus préférablement de 10 kV à 52 kV.
  3. Utilisation selon l'une quelconque des revendications précédentes, caractérisée en ce que le plus petit courant de rupture du fusible HH (1) est conçu pour être supérieur à 3 A, de préférence supérieur à 5 A, plus préférablement supérieur à 10 A, et/ou inférieur à 1 kA, de préférence inférieur à 500 A, plus préférablement inférieur à 300 A, et/ou est compris entre 3 A à 700 A, de préférence entre 5 A à 500 A, plus préférablement entre 15 A à 300 A.
  4. Utilisation selon l'une quelconque des revendications précédentes, caractérisée en ce que le pouvoir de coupure nominal (courant de rupture maximal nominal) est conçu pour être supérieur à 1 kA, de préférence supérieur à 10 kA, plus préférablement supérieur à 20 kA, et/ou est compris entre 1 kA et 100 kA, de préférence entre 10 kA et 80 kA, plus préférablement entre 20 kA et 50 kA.
  5. Utilisation selon l'une quelconque des revendications précédentes, caractérisée en ce que le courant continu transmis et/ou la gamme de courant nominal est supérieure à 10 A, de préférence supérieure à 15 A, et/ou est comprise entre 10 A et 75 kA, de préférence entre 15 A et 50 kA.
  6. Utilisation selon l'une quelconque des revendications précédentes, caractérisée en ce que le produit du courant continu et de la tension continue protégés par le fusible HH (1) est supérieur à 5 kW, de préférence supérieur à 50 kW, plus préférablement supérieur à 700 kW, et/ou est inférieur à 3000 MW, de préférence inférieur à 2000 MW, plus préférablement inférieur à 1000 MW, et/ou est compris entre 5 kW et 3000 MW, de préférence entre 500 kW et 2000 MW, plus préférablement entre 700 kW et 1000 MW.
  7. Utilisation selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins deux conducteurs fusibles (6), de préférence entre deux à dix, plus préférentiellement entre trois à cinq, sont disposés dans le boîtier fusible (3).
  8. Utilisation selon l'une quelconque des revendications précédentes, caractérisée en ce que la transmission de courant continu est une transmission de courant continu moyenne tension et/ou une transmission de courant continu haute tension, de préférence dans un réseau électrique décentralisé, et/ou que le courant continu provient d'une centrale photovoltaïque et/ou d'une centrale à surface photovoltaïque (parc solaire) et/ou d'une centrale éolienne et/ou d'un parc éolien, en particulier offshore, et/ou que le fusible HH (1) est disposé dans un réseau de transmission de courant continu moyenne tension.
  9. Installation (7) avec un consommateur (8), en particulier un utilisateur, qui peut être alimenté en courant continu, avec au moins un fusible HH (1) avec les caractéristiques de construction selon l'une des revendications précédentes, le courant continu transmis au consommateur (8) pouvant être protégé par le fusible HH (1), la puissance du consommateur (8) étant comprise entre 50 kW et 3000 MW, de préférence entre 50 kW et 2000 MW, encore mieux entre 700 kW et 1000 MW.
EP19805655.8A 2018-11-23 2019-11-18 Utilisation d'une fusible pour une transmission de courant continu Active EP3815124B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201930283T SI3815124T1 (sl) 2018-11-23 2019-11-18 Uporaba varovalke za prenos enosmernega električnega toka

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018009183.0A DE102018009183A1 (de) 2018-11-23 2018-11-23 Verwendung einer Sicherung für eine Gleichstromübertragung
PCT/EP2019/081648 WO2020104372A1 (fr) 2018-11-23 2019-11-18 Utilisation d'un fusible pour la transmission d'un courant continu

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EP3815124A1 EP3815124A1 (fr) 2021-05-05
EP3815124B1 true EP3815124B1 (fr) 2022-05-18

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US (1) US11476073B2 (fr)
EP (1) EP3815124B1 (fr)
KR (1) KR102543812B1 (fr)
CN (1) CN113366599B (fr)
DE (1) DE102018009183A1 (fr)
DK (1) DK3815124T3 (fr)
ES (1) ES2921426T3 (fr)
HU (1) HUE059578T2 (fr)
PL (1) PL3815124T3 (fr)
PT (1) PT3815124T (fr)
SI (1) SI3815124T1 (fr)
WO (1) WO2020104372A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102022002431A1 (de) 2022-07-05 2024-01-11 Siba Fuses Gmbh Verwendung einer HH-Sicherung für ein Drop-Out-Sicherungssystem

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HUE059578T2 (hu) 2022-11-28
PL3815124T3 (pl) 2022-09-12
CN113366599A (zh) 2021-09-07
CN113366599B (zh) 2024-05-17
US11476073B2 (en) 2022-10-18
WO2020104372A1 (fr) 2020-05-28
US20210287868A1 (en) 2021-09-16
KR102543812B1 (ko) 2023-06-16
PT3815124T (pt) 2022-07-26
ES2921426T3 (es) 2022-08-25
KR20210082161A (ko) 2021-07-02
DE102018009183A1 (de) 2020-05-28
EP3815124A1 (fr) 2021-05-05
SI3815124T1 (sl) 2022-09-30
DK3815124T3 (da) 2022-07-11

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