EP2077570B1 - Disjoncteur à plusieurs chambres de coupure agencées en parallèle, à transmission commune et encombrement longitudinal réduit - Google Patents

Disjoncteur à plusieurs chambres de coupure agencées en parallèle, à transmission commune et encombrement longitudinal réduit Download PDF

Info

Publication number: EP2077570B1
Authority: EP; European Patent Office
Prior art keywords: chambers; circuit breaker; tank; voltage circuit; high voltage
Prior art date: 2008-01-02
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

EP08172521A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP2077570A1 (fr

Inventor

Gwenael Marquezin

André Cimala

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.)

Grid Solutions SAS

Original Assignee

Areva T&D SAS

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.)

2008-01-02

Filing date

2008-12-22

Publication date

2011-02-09

2008-12-22 Application filed by Areva T&D SAS filed Critical Areva T&D SAS

2009-07-08 Publication of EP2077570A1 publication Critical patent/EP2077570A1/fr

2011-02-09 Application granted granted Critical

2011-02-09 Publication of EP2077570B1 publication Critical patent/EP2077570B1/fr

Status Active legal-status Critical Current

2028-12-22 Anticipated expiration legal-status Critical

Images

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
- 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
- H01H2033/6667—Details concerning lever type driving rod arrangements
- 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
- H01H2033/6668—Operating arrangements with a plurality of interruptible circuit paths in single vacuum chamber
- 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

Definitions

the invention relates to the field of circuit breakers of the high voltage and very high electrical voltage (shielded and dead tank) comprising, for each phase, at least two electrically series cut chambers and a common transmission.
Switching the interrupting chambers in series makes it possible, when the fault current is cut (short-circuit current for example), to distribute the voltage between the chambers in order to facilitate the extinction of the arc.
a high or very high voltage circuit breaker may include several, including three, cutoff chambers aligned.
tie rods external to the chambers are used to open the set of moving contacts simultaneously.
the use of such tie rods implies the need to also use cowls as well as to provide long distances of insulators, that is to say significant distances between these tie rods under tension and the metal tanks at the potential of the earth.
the disclosed structures involve a large circuit breaker length.
the mechanical parts used for transmission and their arrangement can cause difficulties. During the operation the mechanical parts are deformed, which creates a desynchronization between the chambers, even in cases where the adjustment of the circuit breaker in slow operation was correctly realized. Transmission by tie rods also implies a significant surplus of mobile mass hence dimensioning parts with larger loads. In addition, it is necessary to provide guiding, while ensuring anti-rotation and the passage of these parts provided for this purpose through the parts forming the support of the cutting chambers.
the object of the invention is then to propose another solution which makes it possible to reduce the total length of the circuit-breaker and to overcome the difficulties of transmitting the movement to all the breaking chambers.
the distance between the movement inputs of each chamber and the control (operating rod (s)) is minimized.
the overall length to be taken into consideration is the overall length including that of the operating means in the extreme open position during a break.
the transport and assembly of the circuit breaker according to the invention are facilitated.
the distribution of the voltage on at least two breaking chambers is improved in an equal manner because the parasitic capacitances between the breaking chambers and the tank are reduced.
the maneuver carried out by the rod according to the invention is exclusively a translation which separates each movable contact from the fixed contact of a given pair in the same room in translation along the axis of said chamber.
Break chambers are modules in which the main and arc contacts are coaxial.
the circuit breaker according to the invention comprises three or four breaking chambers.
each pair of contacts comprises two movable contacts, additional transmission means for mutually separating the main and arc contacts during a break being provided for each chamber.
the operating means coupled to the connecting rods and maneuvering rods can achieve at least two separate commands.
Maneuvering means coupled to the connecting rods may alternatively form a spreader adapted to be coupled to a single operating rod.
the spreader allows the coupling to the three connecting rods of identical length with concomitant transmission of the movement to the three connecting rods, with for each, a fair distribution in three of the traction force or compression generated by the operating rod.
the spreader is arranged outside the tank.
the lifter is arranged inside the vessel.
the lifter may be electrically insulating material and coupled to the actuating rod electrically conductive material.
the lifter may be electrically conductive material and coupled to the connecting rods of electrically insulating material.
the mechanical maintenance of the cut-off chambers in the tank is performed on the single side of the circuit breaker facing the rod (s) maneuvering by insulating elements forming sleeves attached to the wall of the tank.
the circuit breaker comprises electrical connection elements between the two breaking chambers which allow the output of the electric current, at least a portion of said elements being arranged parallel to the plane in which are located the ends of the breaking chambers by which the maneuver the pair of movable contacts of each chamber is realized.
the electrical connection elements comprise a metal bar also arranged in the tank parallel to the chambers, the bar being connected to the part of the electrical connection elements. arranged parallel to the plane of the ends chambers through which the operation of the pair of movable contacts of each chamber is performed.
Cutoff chambers can be made with vacuum bulbs.
the circuit breaker according to the invention can be arranged not horizontally as part of a Dead tank.
the invention also relates to the use of a circuit breaker previously described as part of a metal envelope station (PSEM).
PSEM metal envelope station
the invention finally relates to a method of mounting a circuit breaker described above, in which the pre-assembly is carried out at least two breaking chambers and operating means to be coupled to the connecting rods, on a part forming a lid of the tank and then at least the two cut-off chambers are housed in the tank by closing the tank body with the pre-assembled assembly.
the high or very high voltage circuit breaker D shown comprises, per phase, three breaking chambers Ca, Cb, Cc which constitute modules housed in a metal tank 1.
Each chamber Ca, Cb, Cc respectively comprises a pair of main contacts 2a, 3a, 2b, 3b, a pair of arcing contacts 4a, 5a; 4b, 5b each integral with one of the main contacts in part of complementary male and female forms.
Each pair of contacts comprises a single main contact 2a, 2b or arc 4a; 4b mobile. ( Figures 1A and 2 ). For the sake of clarity, all the contacts of the third chamber is not shown.
the three chambers Ca, Cb, Cc are identical.
the breaking chambers Ca, Cb, Cc are first arranged in parallel in the tank 1 ( Figures 1A and 2 ). In the illustrated embodiments, they are arranged together at an angle ⁇ of 120 ° ( Figure 1A).
the ends 6a, 6b, 6c of the chambers Ca, Cb and Cc by which the operation of the pair of movable contacts 2a, 4a; 2b, 4b of each chamber is realized are located in the same plane X.
the mechanical transmission unit by which the simultaneous motion transmission between the movable contacts 2a, 4a of the first Ca, 2b, 4b of the second Cb those of the third Cc chambers is performed, comprises three connecting rods 7a, 7b, 7c of identical length each coupled with the pair of movable contacts 2a, 4a; 2b, 4b rooms.
the assembly also comprises lifter means 8, coupled to the three connecting rods 7a, 7b, 7c and adapted to be coupled to a single external operating rod 9 to the vessel 1.
the lifter 8 is made of electrically insulating material and is arranged outside the vessel 1.
the rods 7a, 7b, 7c are also electrically insulating material, while the single operating rod 9 is metallic.
the lifter 8 may be of electrically insulating material, which allows to have only one of the three connecting rods 7a, 7b, 7c of material insulating.
the rods 7a, 7b and 7c may be of insulating material and the rudder 8 conductor (metal).
the lifter 8 can be inside the tank 1 and the rod 9 can also pass through the wall of the tank (a sealing system is provided for this purpose).
the lifter 8 can be outside the tank 1 with three systems sealing (not shown) in the extension (metal) insulating rods 7a, 7b and 7c.
the lifter 8 may be of insulating material.
the breaking chambers Ca, Cb, Cc are maintained on one side only of the circuit-breaker D facing the operating rod 9 by insulating tubes forming sleeves 11 fixed to the tank 1. More precisely, the lifter 8, the chambers Ca, Cb, Cc and the sleeves 11a, 11b, 11c are fixed in advance of mounting the circuit breaker D on a cover part 10. Then, the chambers Ca, Cb, Cc of this subset are introduced into the body of vessel 12 by positioning them so as to connect them to the usual busbars current input 13 and output current 14. The cover 10 is then fixed to the vessel body 12.
the circuit breakers shown furthermore comprise electrical connection elements 15 between the three breaking chambers Ca, Cb and Cc which allow the output of the electric current, said elements 15 being arranged parallel to the plane X in which the ends of the breaking chambers are located. 6a, 6b, 6c.
the movable arcing contacts are in the form of tulip 4a, 4b and the fixed contacts are in the form of rods 5a, 5b each extended by a tripod.
the architecture provided according to the invention allows the easy implantation of resistance inserters 16 in line as illustrated in FIG. figure 2 and, advantageously according to the longitudinal dimension (axis of symmetry) of the vessel.
the illustrated embodiments are particularly advantageous for applications with very high voltages higher than 800 kV.
the embodiment of the figure 2 allows to have a circuit breaker 1 more compact than that of Figures 1 and 1A , in that the input and output bars 14 of the current are arranged in the form of a convergent V towards the inside of the vessel 1 ( figure 2 ).
a metal electrical connection bar may be implanted in place of the third Cc breaking chamber. .
a rod of the type referenced 7c is removed.
the bar is fixed and has no mechanical connection with the operating means.
the use of a metal bar for electrical connection between the two breaking chambers is advantageous in applications where it is desired to have a determined distance between the inlet 13 and the current output 14 in the circuit breaker.
An application referred to here is a circuit breaker type live tank.
the invention is simple to implement and makes it possible to use at least two, typically three usual cutting chambers whose shape and dimensions need not be specific to the invention.

Landscapes

Gas-Insulated Switchgears (AREA)
Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Circuit Breakers (AREA)
Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

EP08172521A 2008-01-02 2008-12-22 Disjoncteur à plusieurs chambres de coupure agencées en parallèle, à transmission commune et encombrement longitudinal réduit Active EP2077570B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR0850007A FR2925976B1 (fr)	2008-01-02	2008-01-02	Disjoncteur a plusieurs chambres de coupure agencees en parallele, a transmission commune et encombrement longitudinal reduit

Publications (2)

Publication Number	Publication Date
EP2077570A1 EP2077570A1 (fr)	2009-07-08
EP2077570B1 true EP2077570B1 (fr)	2011-02-09

Family

ID=39620121

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP08172521A Active EP2077570B1 (fr)	2008-01-02	2008-12-22	Disjoncteur à plusieurs chambres de coupure agencées en parallèle, à transmission commune et encombrement longitudinal réduit

Country Status (7)

Country	Link
US (1)	US8044317B2 (zh)
EP (1)	EP2077570B1 (zh)
JP (1)	JP5583350B2 (zh)
CN (1)	CN101477913B (zh)
AT (1)	ATE498194T1 (zh)
DE (1)	DE602008004880D1 (zh)
FR (1)	FR2925976B1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8530765B2 (en) *	2010-11-19	2013-09-10	Bae Systems Controls Inc.	Hybrid vehicle high voltage multiple battery disconnect

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4531494Y1 (zh) *	1969-01-21	1970-12-03
US3691332A (en) *	1970-11-10	1972-09-12	Gen Electric	Vacuum-type electric switchgear
US3793494A (en) *	1972-11-15	1974-02-19	Westinghouse Electric Corp	Draw out type vacuum circuit breaker assembly with hinged barrier
FR2235470B1 (zh) *	1973-06-28	1976-05-07	Merlin Gerin
US4027123A (en) *	1975-03-11	1977-05-31	General Electric Company	Vacuum circuit breaker comprising series connected vacuum interrupters and capacitive voltage-distribution means
FR2458884A1 (fr)	1979-06-06	1981-01-02	Merlin Gerin	Disjoncteur blinde equipe de resistances de fermeture
JPS5741230U (zh) *	1980-08-21	1982-03-05
JPS598210U (ja) *	1982-07-05	1984-01-19	株式会社東芝	密閉形開閉装置
DE3608548C2 (de) *	1986-03-14	1994-05-19	Bbc Brown Boveri & Cie	Druckgas-isolierter, dreiphasiger gekapselter Hochspannungs-Leistungsschalter
CN2033542U (zh) *	1988-07-01	1989-03-01	上海电器厂	开关装置的操动机构
FR2682807B1 (fr) *	1991-10-17	1997-01-24	Merlin Gerin	Disjoncteur electrique a deux cartouches a vide en serie.
DE4405206A1 (de) *	1994-02-18	1995-08-24	Abb Research Ltd	Schaltvorrichtung
EP0721197B1 (fr) *	1995-01-06	2002-03-06	Gec Alsthom T & D Sa	Disjoncteur à deux chambres de coupure par pôles
JP2000113781A (ja) *	1998-10-05	2000-04-21	Mitsubishi Electric Corp	電源切換方法及び装置
EP1220397B1 (en) *	1999-09-29	2007-08-29	Hitachi, Ltd.	Gas insulated switch
JP3767355B2 (ja) *	2000-09-20	2006-04-19	株式会社日立製作所	開閉装置

2008
- 2008-01-02 FR FR0850007A patent/FR2925976B1/fr not_active Expired - Fee Related
- 2008-12-22 DE DE602008004880T patent/DE602008004880D1/de active Active
- 2008-12-22 AT AT08172521T patent/ATE498194T1/de not_active IP Right Cessation
- 2008-12-22 EP EP08172521A patent/EP2077570B1/fr active Active
- 2008-12-31 CN CN2008102463924A patent/CN101477913B/zh not_active Expired - Fee Related
- 2008-12-31 US US12/347,877 patent/US8044317B2/en active Active
2009
- 2009-01-05 JP JP2009000375A patent/JP5583350B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CN101477913A (zh)	2009-07-08
JP5583350B2 (ja)	2014-09-03
US20090166333A1 (en)	2009-07-02
JP2009165344A (ja)	2009-07-23
CN101477913B (zh)	2013-02-20
US8044317B2 (en)	2011-10-25
ATE498194T1 (en)	2011-02-15
FR2925976B1 (fr)	2010-01-29
FR2925976A1 (fr)	2009-07-03
EP2077570A1 (fr)	2009-07-08
DE602008004880D1 (en)	2011-03-24

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