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EP1347482B1 - Réseau de distribution du courant - Google Patents

Réseau de distribution du courant Download PDF

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Publication number
EP1347482B1
EP1347482B1 EP20020405200 EP02405200A EP1347482B1 EP 1347482 B1 EP1347482 B1 EP 1347482B1 EP 20020405200 EP20020405200 EP 20020405200 EP 02405200 A EP02405200 A EP 02405200A EP 1347482 B1 EP1347482 B1 EP 1347482B1
Authority
EP
European Patent Office
Prior art keywords
distribution network
switching
power distribution
circuit breaker
voltage
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.)
Revoked
Application number
EP20020405200
Other languages
German (de)
English (en)
Other versions
EP1347482A1 (fr
Inventor
Michael Pohle
Martin Kriegel
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.)
ABB Schweiz AG
Original Assignee
ABB Schweiz AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27771978&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1347482(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ABB Schweiz AG filed Critical ABB Schweiz AG
Priority to EP20020405200 priority Critical patent/EP1347482B1/fr
Priority to AT02405200T priority patent/ATE341829T1/de
Priority to DE50208334T priority patent/DE50208334D1/de
Priority to US10/378,849 priority patent/US20030173831A1/en
Priority to RU2003107070A priority patent/RU2321129C2/ru
Priority to CNB031199658A priority patent/CN100365902C/zh
Publication of EP1347482A1 publication Critical patent/EP1347482A1/fr
Publication of EP1347482B1 publication Critical patent/EP1347482B1/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • H01H33/60—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
    • H01H33/666—Operating arrangements
    • H01H33/6661—Combination with other type of switch, e.g. for load break switches
    • 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
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H01H33/121—Load break switches
    • H01H33/125—Load break switches comprising a separate circuit breaker
    • 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
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
    • H01H33/143—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc of different construction or type

Definitions

  • the invention is based on a multi-phase electrical power distribution network according to the preamble of claim 1:
  • a high voltage operated, three-phase power distribution network is known.
  • This power distribution network has overhead lines connecting various substations and consumers.
  • circuit breakers are provided, which among other things serve to protect the cables and consumers against consequential damage caused by a short circuit. These circuit breakers selectively switch off the faulty areas of the power distribution network in the event of damage.
  • a commercial circuit breaker usually dominates the switching cases occurring in the power distribution network.
  • the power distribution network has a comparatively high short-circuit power with fault currents in the range above about 40 kA to 50 kA, then it is possible that the commercial circuit breaker not master the special case of the short-circuit in each case safe.
  • each of the capacitors has an insulation path to ground that must be serviced, thereby incurring additional costs, and the time required for this maintenance somewhat limits the availability of the power distribution network.
  • the installation of additional capacitors can change the natural frequency of the power distribution network so that ferron resonances are possible. Due to these ferroresonances undesired overvoltages can occur during switching operations in the network.
  • the invention solves the problem of providing a multi-phase power distribution network in which no additional capacitors for the reduction of the system-related slope of the recurrent voltage are needed.
  • a hybrid circuit breaker according to the preamble of claim 1 is provided.
  • the advantages achieved by the invention can be seen in the fact that the additional capacitors omitted, whereby the space required for the substations of the power distribution network is reduced, so that the construction costs for the creation of the power distribution network are advantageously reduced.
  • these capacitors also eliminates the additional insulating bridged distances and thus the cost of the regular cleaning of this isolation. With the elimination of the additional capacitors and the risk of the occurrence of unwanted Ferroresonanzen is banned in the power distribution network.
  • FIG. 1 shows a greatly simplified single-phase equivalent circuit diagram of a conventionally constructed power distribution network 1.
  • the usually always existing shear separator, earth electrode and transducer are not shown, as well as the energy generator.
  • This power distribution network 1 has a high-voltage part 2 lying at potential and a grounded part 3. Between an arranged in the high voltage part 2 terminal 4 and arranged in grounded part 3 terminal 5, a resistor 6 is connected in series with a capacitor 7.
  • the resistor 6 represents the ohmic portion of the network impedance, the capacitor 7 represents the capacitive component of the network impedance, and the terminal 4 upstream Inductance 8 represents the inductive component of the network impedance.
  • From the terminal 4 is an overhead line 9 from. At the beginning of this overhead line 9, as well as at the other end, not shown, a circuit breaker 10 is provided, these two circuit breaker switch off the overhead line 9 in case of failure.
  • a terminal 11 is provided. Between this terminal 11 and a terminal 12 arranged in the earthed terminal 12, an additional capacitor 13 is connected. A similar additional capacitor is also provided at the other end of the overhead line 9. If, for example, triggered by a lightning strike, a ground fault 15 occurs in a fault location 14, the two circuit breakers must switch off the overhead line 9. If the fault location 14 is comparatively close to the power switch 10, ie in the region in which, referred to this circuit breaker 10, the occurrence of a distance short circuit can be spoken, then the slope of the rise of the recurrent voltage is limited to such values by the additional capacitor 13, which can control the circuit breaker 10 properly. The traveling wave processes caused by the short-circuit on the length of the overhead line 9 between the circuit breaker 10 and the fault location 14 can then cause no disturbance.
  • FIG. 2 shows a greatly simplified, single-phase equivalent circuit diagram of a power distribution network 1 constructed in a simplified manner according to the invention.
  • the shearing separators, earth electrodes and measuring transducers, which are generally always present, are not shown, nor are the energy generators.
  • This power distribution network 1 has a high-voltage part 2 lying at potential and a grounded part 3. Between a arranged in the high-voltage part 2 terminal 4 and arranged in grounded part 3 terminal 5 is an ohmic Resistor 6 connected in series with a capacitor 7.
  • the resistor 6 represents the resistive component of the network impedance, the capacitor 7 represents the capacitive component of the network impedance, and the terminal 4 upstream inductance 8 represents the inductive component of the network impedance. From the terminal 4 is an overhead line 9 from.
  • a hybrid circuit breaker 16 is provided, these two hybrid circuit breaker switch off the overhead line 9 in case of failure. If, for example, triggered by a lightning strike, an earth fault 15 occurs in a fault location 14, the two hybrid circuit breakers switch off the overhead line 9 properly. They switch off the overhead line 9 even in case of error "distance short circuit" problem-free, since they dominate all possible in power distribution networks 1 steepnesses of the increase in the recurring voltage. Capacitors for reducing the increase in the recurrent voltage are therefore not necessary here.
  • the hybrid circuit breaker 16 has in a preferred embodiment, two series-connected switching chambers 17 and 18, of which the first switching chamber 17 is formed as filled with an insulating gas chamber, while the second switching chamber 18 is formed as a vacuum interrupter chamber.
  • the first switching chamber 17 is designed for permanent control of high holding voltages (operating voltages).
  • the second switching chamber 18 is designed for the control of relatively high initial slopes of the recurring voltage, it takes over in the period shortly after the extinction of the Ausschaltlichtbogens the comparatively large slope of the increase in the recurrent voltage. During this period, the switching path of the first switching chamber 17 is further blown and cleaned of conductive switching residues, so that thereafter a sufficient reached dielectric strength to withstand the further increase of the recurring voltage and then the operating voltage.
  • the hybrid power switch 16 is also provided with an effective voltage control, which ensures that neither of the two switching chambers 17 and 18 is dielectrically overloaded during the turn-off operation and during normal operation.
  • the elimination of the additional capacitors has the great advantage that the natural frequency of the power distribution network is with great certainty far enough away from the area in which harmful Ferroresonanzen can occur.
  • the reliability and availability of the power distribution network is thereby advantageously increased.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Gas-Insulated Switchgears (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Hybrid Cells (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Claims (2)

  1. Réseau de distribution de courant avec au moins une ligne aérienne polyphasée (9), avec au moins un disjoncteur de puissance sous la forme d'un disjoncteur de puissance hybride (16) pour la protection d'au moins une ligne aérienne (9), le disjoncteur de puissance hybride (16) comportant au moins deux chambres de commutation (17, 18) exploitées par des moyens d'extinction différents, une première au moins de ces chambres de commutation (17) étant conçue pour la maîtrise durable de hautes tensions de maintien, et une deuxième au moins de ces chambres de commutation (18) étant une chambre de commutation à vide, caractérisé en ce que la chambre de commutation à vide est conçue pour la maîtrise du début des pentes du retour de la tension, et en ce qu'aucun condensateur supplémentaire n'est prévu entre un potentiel à haute tension du réseau de distribution de courant et la terre, pour la réduction de la montée du retour la tension.
  2. Réseau de distribution de courant selon la revendication 1, caractérisé en ce que dans la période après l'extinction de l'arc électrique de coupure, la distance d'isolement de la première chambre de commutation (17) est encore soumise au soufflage et au nettoyage des résidus de commutation conducteurs.
EP20020405200 2002-03-15 2002-03-15 Réseau de distribution du courant Revoked EP1347482B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP20020405200 EP1347482B1 (fr) 2002-03-15 2002-03-15 Réseau de distribution du courant
AT02405200T ATE341829T1 (de) 2002-03-15 2002-03-15 Energieverteilungsnetz
DE50208334T DE50208334D1 (de) 2002-03-15 2002-03-15 Energieverteilungsnetz
US10/378,849 US20030173831A1 (en) 2002-03-15 2003-03-05 Power distribution network
RU2003107070A RU2321129C2 (ru) 2002-03-15 2003-03-14 Распределительная энергосеть
CNB031199658A CN100365902C (zh) 2002-03-15 2003-03-14 能量分配网

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20020405200 EP1347482B1 (fr) 2002-03-15 2002-03-15 Réseau de distribution du courant

Publications (2)

Publication Number Publication Date
EP1347482A1 EP1347482A1 (fr) 2003-09-24
EP1347482B1 true EP1347482B1 (fr) 2006-10-04

Family

ID=27771978

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020405200 Revoked EP1347482B1 (fr) 2002-03-15 2002-03-15 Réseau de distribution du courant

Country Status (6)

Country Link
US (1) US20030173831A1 (fr)
EP (1) EP1347482B1 (fr)
CN (1) CN100365902C (fr)
AT (1) ATE341829T1 (fr)
DE (1) DE50208334D1 (fr)
RU (1) RU2321129C2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9054530B2 (en) 2013-04-25 2015-06-09 General Atomics Pulsed interrupter and method of operation
CN110224379B (zh) * 2018-03-01 2021-07-27 郑州大学 基于真空与sf6灭弧室串联的高压直流断路器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814882A (en) * 1973-07-25 1974-06-04 Westinghouse Electric Corp Hybrid circuit interrupter
US4087664A (en) * 1975-08-29 1978-05-02 I-T-E Imperial Corporation Hybrid power circuit breaker
US4204101A (en) * 1977-06-22 1980-05-20 Gould Inc. Hybrid circuit breaker with varistor in parallel with vacuum interrupter
JPH06310000A (ja) * 1993-04-20 1994-11-04 Hitachi Ltd 接地開閉装置
DE19511168A1 (de) * 1995-03-28 1996-10-02 Abb Management Ag Schaltvorrichtung
GB2341737B (en) * 1998-09-17 2003-03-05 Alstom Uk Ltd Fault protection apparatus
DE19912022B4 (de) * 1999-03-17 2009-02-12 Abb Ag Hochspannungsschaltgerät mit Serienschaltung von mindestens zwei Vakuumschaltkammern und Verfahren zum Betrieb des Hochspannungsschallgerätes
DE10022415A1 (de) * 1999-10-09 2001-05-03 Abb Patent Gmbh Hochspannungsschaltgerät mit Serienschaltung von mindestens zwei Schaltgeräten und Verfahren zum Betrieb eines Hochspannungsschaltgerätes
DE19958646C2 (de) * 1999-12-06 2001-12-06 Abb T & D Tech Ltd Hybridleistungsschalter
JP3799924B2 (ja) * 2000-01-11 2006-07-19 株式会社日立製作所 電力用遮断器および発電所電気回路装置

Also Published As

Publication number Publication date
DE50208334D1 (de) 2006-11-16
RU2321129C2 (ru) 2008-03-27
EP1347482A1 (fr) 2003-09-24
US20030173831A1 (en) 2003-09-18
CN1445899A (zh) 2003-10-01
CN100365902C (zh) 2008-01-30
ATE341829T1 (de) 2006-10-15

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