EP2122647B1 - Réseau électrique à courant continu pour navires et installations en mer présentant une sécurité de coupure accrue - Google Patents

Réseau électrique à courant continu pour navires et installations en mer présentant une sécurité de coupure accrue Download PDF

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Publication number
EP2122647B1
EP2122647B1 EP08701641.6A EP08701641A EP2122647B1 EP 2122647 B1 EP2122647 B1 EP 2122647B1 EP 08701641 A EP08701641 A EP 08701641A EP 2122647 B1 EP2122647 B1 EP 2122647B1
Authority
EP
European Patent Office
Prior art keywords
direct current
switch
pole
commutation
current network
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.)
Not-in-force
Application number
EP08701641.6A
Other languages
German (de)
English (en)
Other versions
EP2122647A1 (fr
Inventor
Gerd Ahlf
Werner Hartmann
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.)
Siemens AG
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Siemens AG
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Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP2122647A1 publication Critical patent/EP2122647A1/fr
Application granted granted Critical
Publication of EP2122647B1 publication Critical patent/EP2122647B1/fr
Not-in-force 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
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
    • H01H33/596—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle for interrupting dc
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/08—Propulsion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/22—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing
    • B63H23/24—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric

Definitions

  • the invention relates to an electrical DC network for watercraft, especially for underwater vehicles, as well as for offshore installations according to the preamble of claim 1;
  • Such an electrical DC network is for example from the DE 10 2005 031 761 B3 known.
  • the commutation device acts on the vacuum switch immediately after the generation of the arc with an oppositely directed current which compensates for the current flowing in the arc or at least reduces it to such an extent that the arc is extinguished.
  • the commutation device has a commutation circuit lying parallel to the vacuum switch and comprising a switch and a charge store, for example a capacitor.
  • a control device ensures that immediately after the opening of the vacuum switch, the switch is controlled so that the charge storage parallel to the vacuum circuit breaker and reversed polarity is switched to extinguish the arc resulting when opening the arc.
  • a charge generator such as an electric coil, may be provided, which is controlled by the control device so that it generates a compensation current after opening the vacuum switch, which extinguishes the resulting arc when opening the vacuum switch.
  • the switch-off device for at least one of the two switching poles has a commutation device for extinguishing an arc generated in this switching pole, because by switching off the current in this one switching pole is usually de-energized due to the current zero crossing of the other switching pole momentarily, so that he also experiences a current zero crossing, which leads to a deletion of the arc in this switching pole.
  • the turn-off device can also have its own commutation device for each of the two switching poles. hereby even a shutdown of a double ground fault in a DC network is possible.
  • the vacuum switch to a further, third switching pole, which is mechanically coupled to the first and the second switching pole and which is connected in series with the second switching pole in the current branch from the negative pole of the DC power source to the consumer.
  • the second switching pole and the third switching pole each have their own commutation. It is sufficient if the second switching pole and the third switching pole have a common commutation device, i. the commutation device is connected in parallel with the series connection of the two switching poles. It is also sufficient if the second switching pole has a commutation device, whereas the third switching pole has no commutation device, i. only to the second switching pole is connected in parallel a commutation device. If this commutation extinguishes the arc in the second switching pole, there is also an interruption of the current flow and thus a deletion of the arc in the third switching pole.
  • the contact gap with an open switching pole between 1.5 mm and 15 mm, preferably between 2 and 5 mm. In this way, a particularly stable magnetic field in the switching pole and thus a particularly good breaking capacity can be achieved.
  • a further increase in the switch-off safety is possible in that a commutation pulse is triggered in a commutation device only at a predetermined minimum contact gap in the switching pole (for example minimum contact gap of 3 mm). This can be made possible, for example, by a delay of the triggering pulse of the commutation device by a time corresponding to the vacuum switch.
  • the total inductance of a commutation circuit of a commutation device is preferably at most 0.5 ⁇ H.
  • a commutation pulse is triggered only after a minimum arc duration has expired. This can ensure that the arc is sufficiently diffused and thus a safe shutdown is possible.
  • transient recovery voltages at the switching pole can be limited to values below 500 V / ⁇ s.
  • the switch-off device preferably has a device for measuring tripping characteristics in the DC network and for generating a tripping pulse for a mechanical opening mechanism of the vacuum switch and for the commutation device from one or more of these tripping characteristics.
  • the shutdown device has at least one overcurrent release for the vacuum switch, as an overcurrent release both instantaneous overcurrent release (ie delay of the overcurrent trip only by the proper time of the switch) and delayed overcurrent release (ie delay of the overcurrent trip through the proper time of the switch and one in the overcurrent release adjustable Time) can be used.
  • an overcurrent release both instantaneous overcurrent release (ie delay of the overcurrent trip only by the proper time of the switch) and delayed overcurrent release (ie delay of the overcurrent trip through the proper time of the switch and one in the overcurrent release adjustable Time) can be used.
  • instantaneous overcurrent release ie delay of the overcurrent trip only by the proper time of the switch
  • delayed overcurrent release ie delay of the overcurrent trip through the proper time of the switch and one in the overcurrent release adjustable Time
  • FIG. 1 in a particularly simplified representation shown DC network 1 has a DC power source 2, an electrical load 3 and a turn-off device 4 for switching off a current flowing between the DC power source 2 and the load 3 current.
  • the switch-off device 4 has a switched between the DC power source 2 and the consumer 3 vacuum switch 5 with three switching poles (ie three switching paths) 5a, 5b, 5c.
  • the switching poles are in this case mechanically coupled to each other and have a common mechanical drive, ie an opening or closing of the three switching poles always takes place simultaneously.
  • the switching pole 5a is connected in a current branch 6, which connects a positive pole of the DC power source 2 to the consumer 3.
  • the switching poles 5b and 5c are connected in series in a current branch 7, which connects a negative pole of the DC power source 2 to the load 3.
  • the turn-off device 4 has a first commutation device 8, which is connected in parallel with the switching pole 5a and serves to extinguish arcs in the switching pole 5a by applying a countercurrent to the switching pole 5a. Furthermore, the turn-off device 4 has a second commutation device 9, which is connected in parallel with the series connection of the two switching poles 5b and 5c.
  • the turn-off device 4 may also have only the commutation device 8 or only the commutation device 9.
  • a measuring device 19 is used to measure Auslensekenngrö ⁇ en in the DC network 1 and to generate a trigger pulse for a mechanical opening mechanism 21 of the vacuum switch 5 and the commutation devices 8, 9 from one or more of these tripping characteristics.
  • the measuring device 19 is connected via control lines 20 to the opening mechanism 21 and the commutation devices 8, 9.
  • the turn-off device 4 shown with two commutation devices 8, 9 and a total of three series-connected and mechanically coupled switching poles (or switching paths) 5a, 5b, 5c is characterized by a particularly high breaking capacity and a particularly high shutdown safety with great compactness. Due to the two commutation devices 8, 9 even a shutdown of a double ground fault in the DC network 1 is possible.
  • a high-power semiconductor switch 11 for high pulse currents such as a thyristor
  • a surge capacitor 12 for charging the capacitor 12
  • an igniter 14 for igniting the high-power semiconductor switch 11.
  • FIG. 3 shows a side view of an advantageous embodiment of the turn-off device 4 according to Fig. 1 ,
  • the vacuum circuit breaker 5 is arranged above the commutation device 8 or 9, which is formed essentially by the high-performance thyristor 11 and the capacitor 12.
  • the vacuum interrupters 15 of the vacuum circuit breaker 5 are connected via insulators 16 to a housing of the switch drive 17.
  • the capacitor 12 and the high-performance thyristor 11 are connected via current paths 18 in parallel to the vacuum interrupter 15.
  • switching tubes 15 and insulators 16 are used for low nominal voltages, which allow a much more compact and lighter design.
  • FIG. 4 shows a front view of in FIG. 3 shown in side view advantageous embodiment of the shutdown device 4 according to Fig. 1 ,
  • the three vacuum interrupters 15 of the three poles 5a, 5b, 5c of the switch 5 are - as already in FIG. 3 shown - arranged over the commutation devices 8, 9 and connected via insulators with the housing of the switch drive 17. The current paths are not shown for reasons of clarity.
  • the commutation device 8 is connected in parallel with the switching pole 5a and the commutation device 9 in parallel with the series connection of the switching poles 5b and 5c.
  • the commutation devices 8, 9 each have a high-power thyristor 11 and a capacitor 12.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Claims (12)

  1. Réseau (1) électrique à courant continu pour des bâtiments de navigation sous l'eau et sur l'eau ainsi que pour des installations en mer, à sécurité de coupure améliorée, comprenant au moins une source ( 2 ) de courant continu, notamment une installation à accumulateur et/ou à pile à combustible, au moins un utilisateur ( 3 ) électrique, par exemple un moteur électrique de propulsion ou un réseau de bord, et au moins un dispositif ( 4 ) de coupure, pour couper un courant continu passant dans le réseau ( 1 ) à courant continu, le dispositif ( 4 ) de coupure ayant un interrupteur ( 5 ) à vide, monté dans le réseau, et un dispositif ( 8 ou 9 ) de commutation, par lequel un arc électrique, produit à l' ouverture de l' interrupteur ( 5 ), peut être éteint, caractérisé en ce que l' interrupteur ( 5 ) à vide a un premier pôle ( 5a ) d' interruption et un deuxième pôle ( 5b ) d' interruption, le premier pôle ( 5a ) d' interruption étant monté dans une branche ( 6 ) de courant allant d' un pôle plus de la source ( 2 ) de courant continu à l' utilisateur ( 3 ) et le deuxième pôle ( 5b ) d' interruption dans une branche ( 7 ) de courant allant d' un pôle moins de la source ( 2 ) de courant continu à l' utilisateur ( 3 ), dans lequel les deux pôles ( 5a, 5b ) d' interruption sont couplés mécaniquement l' un à l'autre et le dispositif ( 4 ) de coupure a, pour au moins l'un des deux pôles ( 5a, 5b ) d' interruption, un dispositif ( 8 ou 9 ) de commutation pour éteindre un arc électrique produit dans ce pôle ( 5a ou 5b ) d' interruption.
  2. Réseau ( 1 ) à courant continu suivant la revendication 1, caractérisé en ce que le dispositif ( 4 ) de coupure a, pour chacun des deux pôles ( 5a, 5b ) d' interruption, un dispositif ( 8 ou 9 ) de commutation qui lui est propre respectivement.
  3. Réseau ( 1 ) à courant continu suivant l'une des revendications précédentes, caractérisé en ce que l' interrupteur ( 5 ) à vide a un troisième autre pôle ( 5c ) d' interruption, qui est couplé mécaniquement au premier et au deuxième pôle ( 5a, 5b ) d" interruption et qui est monté en série avec le deuxième pôle ( 5b ) d" interruption dans la branche ( 8 ) de courant allant du pôle moins de la source ( 2 ) de courant continu à l' utilisateur ( 3 ).
  4. Réseau ( 1 ) à courant continu suivant la revendication 3, caractérisé en ce que le deuxième pôle ( 5b ) d' interruption et le troisième pôle ( 5c ) d' interruption ont un dispositif ( 9 ) de commutation commun.
  5. Réseau ( 1 ) à courant continu suivant la revendication 3, caractérisé en ce que le deuxième pôle d' interruption a un dispositif de commutation et le troisième pôle d'interruption n' a pas de dispositif de commutation.
  6. Réseau (1 à courant continu suivant l'une des revendications précédentes, caractérisé en ce que l' intervalle de contact, pour un pôle (5a, 5b, 5c) d' interruption ouvert, est compris entre 1,5 mm et 15 mm, et de préférence entre 2 et 5 mm.
  7. Réseau ( 1 ) à courant continu suivant l'une des revendications précédentes, caractérisé en ce qu'un déclenchement d'une impulsion de commutation dans le dispositif ( 8, 9 ) de commutation d'un pôle ( 5a, 5b, 5c ) d' interruption n' a lieu que pour un intervalle de contact minimum donné à l'avance dans le pôle ( 5a, 5b, 5c ) d' interruption.
  8. Réseau ( 1 ) à courant continu suivant l' une des revendications précédentes, caractérisé en ce qu'un circuit ( 10 ) de commutation d' un dispositif ( 8, 9 ) de commutation a une inductance totale de 0,5 µH au maximum.
  9. Réseau ( 1 ) à courant continu suivant l'une des revendications précédentes, caractérisé en ce qu'un déclenchement d'une impulsion de commutation dans le dispositif ( 8, 9 ) de commutation n' a lieu qu'après écoulement d' une durée minimum d' arc électrique.
  10. Réseau ( 1 ) à courant continu suivant l'une des revendications précédentes, caractérisé en ce que le dispositif ( 4 ) de coupure a, pour la limitation de tensions de retour transitoires, aux pôles ( 5a, 5b, 5c ) d' interruption, des éléments RC et/ou des varistances montés en parallèle à ce pôle ( 5a, 5b, 5c ) d' interruption.
  11. Réseau ( 1 ) à courant continu suivant l' une des revendications précédentes, caractérisé en ce que le dispositif ( 4 ) de coupure a un dispositif ( 19 ) de mesure de grandeurs caractéristiques de déclenchement dans le réseau ( 1 ) à courant continu et de production d'une impulsion de déclenchement d' un mécanisme ( 21 ) d' ouverture mécanique de l' interrupteur ( 5 ) à vide ainsi que du dispositif ( 8, 9 ) de commutation à partir d' une ou de plusieurs de ces grandeurs caractéristiques de déclenchement.
  12. Réseau ( 1 ) à courant continu suivant l'une des revendications précédentes, caractérisé en ce que le dispositif ( 4 ) de coupure a au moins un déclencheur à maximum de courant de l' interrupteur ( 5 ) à vide.
EP08701641.6A 2007-01-24 2008-01-23 Réseau électrique à courant continu pour navires et installations en mer présentant une sécurité de coupure accrue Not-in-force EP2122647B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710004528 DE102007004528B3 (de) 2007-01-24 2007-01-24 Elektrisches Gleichstromnetz für Wasserfahrzeuge sowie für Offshoreanlagen mit erhöhter Abschaltsicherheit
PCT/EP2008/050759 WO2008090175A1 (fr) 2007-01-24 2008-01-23 Réseau électrique à courant continu pour navires et installations en mer présentant une sécurité de coupure accrue

Publications (2)

Publication Number Publication Date
EP2122647A1 EP2122647A1 (fr) 2009-11-25
EP2122647B1 true EP2122647B1 (fr) 2014-11-26

Family

ID=39316425

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Application Number Title Priority Date Filing Date
EP08701641.6A Not-in-force EP2122647B1 (fr) 2007-01-24 2008-01-23 Réseau électrique à courant continu pour navires et installations en mer présentant une sécurité de coupure accrue

Country Status (5)

Country Link
EP (1) EP2122647B1 (fr)
KR (1) KR101140428B1 (fr)
DE (1) DE102007004528B3 (fr)
ES (1) ES2527061T3 (fr)
WO (1) WO2008090175A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11049677B2 (en) * 2016-12-21 2021-06-29 Korea Electro Technology Research Institute Inverse current injection-type direct current blocking device and method using vacuum gap switch

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010052136A1 (de) * 2010-11-22 2012-05-24 Siemens Aktiengesellschaft Schaltungsanordnungen für elektronisch gesteuerte DC-Netze
CN107867384B (zh) * 2017-10-28 2019-07-26 中车永济电机有限公司 5000吨内河运输船用电推进系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3548256A (en) * 1968-07-05 1970-12-15 Gen Electric High voltage d-c circuit breaker
JP3114328B2 (ja) * 1992-02-20 2000-12-04 株式会社日立製作所 直流遮断器
DE19525288C2 (de) * 1995-07-03 2002-08-01 Siemens Ag Mehrpoliger Vakuumschalter mit parallelen Polen
JP4403782B2 (ja) 2003-11-17 2010-01-27 株式会社日立製作所 真空スイッチギヤ
DE102005031761B3 (de) * 2005-07-07 2006-08-24 Howaldtswerke-Deutsche Werft Gmbh Wasserfahrzeug

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11049677B2 (en) * 2016-12-21 2021-06-29 Korea Electro Technology Research Institute Inverse current injection-type direct current blocking device and method using vacuum gap switch

Also Published As

Publication number Publication date
KR101140428B1 (ko) 2012-04-30
WO2008090175A1 (fr) 2008-07-31
ES2527061T3 (es) 2015-01-20
EP2122647A1 (fr) 2009-11-25
DE102007004528B3 (de) 2008-08-07
KR20090106627A (ko) 2009-10-09

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