EP0135789A2 - Sectionneur haute tension, en particulier sectionneur monocolonne, capable de commuter des courants - Google Patents

Sectionneur haute tension, en particulier sectionneur monocolonne, capable de commuter des courants Download PDF

Info

Publication number: EP0135789A2
Authority: EP; European Patent Office
Prior art keywords: contact; isolating switch; voltage; piece; switching
Prior art date: 1983-08-27
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.): Granted

Application number

EP84109850A

Other languages

German (de)

English (en)

Other versions

EP0135789B1 (fr

EP0135789A3 (en

Inventor

Wolfgang Dipl.-Ing. Eberhardt

Kurt Freitag

Dietrich Dipl.-Ing. Hoffmann

Erwin Rohde

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.)

Licentia Patent Verwaltungs GmbH

Original Assignee

Licentia Patent Verwaltungs 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.)

1983-08-27

Filing date

1984-08-18

Publication date

1985-04-03

1984-08-18 Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH

1984-08-18 Priority to AT84109850T priority Critical patent/ATE44422T1/de

1985-04-03 Publication of EP0135789A2 publication Critical patent/EP0135789A2/fr

1986-10-29 Publication of EP0135789A3 publication Critical patent/EP0135789A3/de

1989-07-05 Application granted granted Critical

1989-07-05 Publication of EP0135789B1 publication Critical patent/EP0135789B1/fr

Status Expired legal-status Critical Current

Links

Images

Classifications

- 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
- H01H31/34—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact adapted to engage an overhead transmission line, e.g. for branching
- H01H31/36—Contact moved by pantograph
- 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
- H01H33/126—Load break switches comprising a separate circuit breaker being operated by the distal end of a sectionalising contact arm

Definitions

the invention relates to a high-voltage disconnector according to the features of the preamble of claim 1.
the invention is therefore based on the object of specifying a device on high-voltage disconnectors of the type mentioned at the outset which, when switching commutating currents, reliably avoids burnout marks on the main contacts.
the second problem which arises when the isolator is switched on due to the slow ( ⁇ creeping '') switching on of the contacts of the second contact device, can be solved by installing a further contact device arranged parallel to this contact device, which is just before touching of the contacts of the second switching device switches on the circuit and thus relieves of the risk of scorching.
This first contact device is designed in such a way that, even with slow movement, it quickly comes from the state of the first contact with the contact load zero to the state of full current carrying capacity with a corresponding contact load.
the switching contacts 8a, 8b which can be single or double, are closed against the spring force in the switching device accommodated under a hood 9 before the main contacts 3a, 3b and 4 of the disconnector touch.
the spring uses a lever system 11 with an insulated pivot bearing 10 to ensure that the contact brackets follow the moving main contact 3a, 3b of the scissors and thereby the contact separation in the switching device with the subsequent arc extinguishing in the extinguishing tube 12 bring about.
FIG. 3 shows a switching device in which the main contacts (not shown) conduct the current when the disconnector is in the switched on position, and the likewise closed contacts of a second contact device 13, 14 and a first contact device 15, 16 are electrically parallel to the main contact contacts .
the disconnector When the disconnector is opened after the main contacts mentioned have separated, the current initially shifts to the still closed first contact device with the elastic contact fingers 15 and the movable contact piece 16. After a short stroke, the first contact device also disconnects (FIG. 3a) and the current to be switched off now only flows via the contact pieces 13, 14 of the second contact device, namely via the tear-off pin 13 firmly connected to the contact piece 16 and that in the housing 17th axially movably mounted contact 14.
the circuit is closed by the first contact device, after the contact fingers 15 slide over a conical run-up slope 25 made of insulating material in the course of the row switching movement, whereby they receive the pretension required for the required contact load, and finally in contact with the contact path of the contact piece 16 arrive (Fig. 3). Only after this contact has been made does the abrasion pin 13 lying inside the extinguishing tube 23 come into contact with the contact 14, so that no welding can occur here.
An electrically high-quality plastic with a low coefficient of friction such as e.g. an acetal resin can be used.
a copper alloy with good erosion resistance can be used as the contact surface for the contact piece 16.

Landscapes

Arc-Extinguishing Devices That Are Switches (AREA)
Electric Propulsion And Braking For Vehicles (AREA)
Mechanisms For Operating Contacts (AREA)

EP84109850A 1983-08-27 1984-08-18 Sectionneur haute tension, en particulier sectionneur monocolonne, capable de commuter des courants Expired EP0135789B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT84109850T ATE44422T1 (de)	1983-08-27	1984-08-18	Hochspannungstrennschalter, insbesondere einsaeulen-trennschalter, zum schalten kommutierender stroeme.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3331024		1983-08-27
DE3331024A DE3331024A1 (de)	1983-08-27	1983-08-27	Hochspannungstrennschalter, insbesondere einsaeulen-trennschalter, zum schalten kommutierender stroeme

Publications (3)

Publication Number	Publication Date
EP0135789A2 true EP0135789A2 (fr)	1985-04-03
EP0135789A3 EP0135789A3 (en)	1986-10-29
EP0135789B1 EP0135789B1 (fr)	1989-07-05

Family

ID=6207654

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP84109850A Expired EP0135789B1 (fr)	1983-08-27	1984-08-18	Sectionneur haute tension, en particulier sectionneur monocolonne, capable de commuter des courants

Country Status (3)

Country	Link
EP (1)	EP0135789B1 (fr)
AT (1)	ATE44422T1 (fr)
DE (2)	DE3331024A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0283949A2 (fr) *	1987-03-24	1988-09-28	Asea Brown Boveri Aktiengesellschaft	Sectionneur sous charge à plusieurs positions pour installations à haute et moyenne tension
GB2254488A (en) *	1991-03-29	1992-10-07	Dauphinoise Const Elect Mec	High voltage switch

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE946638C (de) *	1951-04-06	1956-08-02	Sachsenwerk Licht & Kraft Ag	Schubtrennschalter fuer zusaetzliche Lastabschaltung
DE1240158B (de) *	1960-12-10	1967-05-11	Sachsenwerk Licht & Kraft Ag	Lasttrennschalter
DE1240973B (de) *	1958-11-15	1967-05-24	Sachsenwerk Licht & Kraft Ag	Lasttrennschalter
DE2809499A1 (de) *	1978-03-06	1979-09-13	Licentia Gmbh	Hochspannungstrennschalter
EP0062603A1 (fr) *	1981-03-20	1982-10-13	Siemens Aktiengesellschaft	Sectionneur à coupure en charge avec un bras de commutation pivotant et avec un dispositif d'extinction

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1941383C3 (de) *	1969-08-14	1974-08-22	Felten & Guilleaume Schaltanlagen Gmbh, 4150 Krefeld	Lasttrennschalter mit gasabgebender Rohrlöschkammer
DE2907574C2 (de) *	1979-02-27	1984-05-17	Concordia Sprecher-Schaltgeräte GmbH, 7024 Filderstadt	Löschkammer
DE3122442A1 (de) *	1981-06-02	1982-12-23	Siemens AG, 1000 Berlin und 8000 München	Trennschalter fuer hochspannungsanlagen

1983
- 1983-08-27 DE DE3331024A patent/DE3331024A1/de not_active Withdrawn
1984
- 1984-08-18 EP EP84109850A patent/EP0135789B1/fr not_active Expired
- 1984-08-18 DE DE8484109850T patent/DE3478883D1/de not_active Expired
- 1984-08-18 AT AT84109850T patent/ATE44422T1/de not_active IP Right Cessation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE946638C (de) *	1951-04-06	1956-08-02	Sachsenwerk Licht & Kraft Ag	Schubtrennschalter fuer zusaetzliche Lastabschaltung
DE1240973B (de) *	1958-11-15	1967-05-24	Sachsenwerk Licht & Kraft Ag	Lasttrennschalter
DE1240158B (de) *	1960-12-10	1967-05-11	Sachsenwerk Licht & Kraft Ag	Lasttrennschalter
DE2809499A1 (de) *	1978-03-06	1979-09-13	Licentia Gmbh	Hochspannungstrennschalter
EP0062603A1 (fr) *	1981-03-20	1982-10-13	Siemens Aktiengesellschaft	Sectionneur à coupure en charge avec un bras de commutation pivotant et avec un dispositif d'extinction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0283949A2 (fr) *	1987-03-24	1988-09-28	Asea Brown Boveri Aktiengesellschaft	Sectionneur sous charge à plusieurs positions pour installations à haute et moyenne tension
EP0283949A3 (en) *	1987-03-24	1990-08-29	Asea Brown Boveri Aktiengesellschaft	Multiposition load break switch for high and middle tension installations
GB2254488A (en) *	1991-03-29	1992-10-07	Dauphinoise Const Elect Mec	High voltage switch
GB2254488B (en) *	1991-03-29	1994-11-30	Dauphinoise Const Elect Mec	High voltage switch adapted to establish and cut off the bar transfer currents in a looped circuit

Also Published As

Publication number	Publication date
ATE44422T1 (de)	1989-07-15
DE3331024A1 (de)	1985-03-14
EP0135789B1 (fr)	1989-07-05
DE3478883D1 (en)	1989-08-10
EP0135789A3 (en)	1986-10-29

Legal Events

Date	Code	Title	Description
1985-02-01	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1985-04-03	17P	Request for examination filed	Effective date: 19840903
1985-04-03	AK	Designated contracting states	Designated state(s): AT BE CH DE FR GB IT LI LU NL SE
1986-09-12	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1986-10-29	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE
1987-11-11	17Q	First examination report despatched	Effective date: 19870928
1989-05-20	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
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1989-09-08	ET	Fr: translation filed
1989-10-04	ITF	It: translation for a ep patent filed	Owner name: MODIANO & ASSOCIATI S.R.L.
1990-05-03	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1990-05-03	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1990-06-20	26N	No opposition filed
1991-07-23	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19910723 Year of fee payment: 8
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1992-01-16	EPTA	Lu: last paid annual fee
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1993-02-28	BERE	Be: lapsed	Owner name: LICENTIA PATENT-VERWALTUNGS G.M.B.H. Effective date: 19920831
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1993-04-14	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19920818
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