EP2200060A1 - Zelle zur Verteilung von Strom mittlerer Spannung - Google Patents

Zelle zur Verteilung von Strom mittlerer Spannung Download PDF

Info

Publication number: EP2200060A1
Authority: EP; European Patent Office
Prior art keywords: current; parts; cell according; electrical distribution; distribution cell
Prior art date: 2008-12-18
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

EP09354042A

Other languages

English (en)

French (fr)

Other versions

EP2200060B1 (de

Inventor

Hans Schellekens

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.)

Schneider Electric Industries SAS

Original Assignee

Schneider Electric Industries 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.)

2008-12-18

Filing date

2009-10-20

Publication date

2010-06-23

2009-10-20 Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS

2010-06-23 Publication of EP2200060A1 publication Critical patent/EP2200060A1/de

2011-08-10 Application granted granted Critical

2011-08-10 Publication of EP2200060B1 publication Critical patent/EP2200060B1/de

Status Active legal-status Critical Current

2029-10-20 Anticipated expiration legal-status Critical

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
- H01H31/003—Earthing 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
- H01H33/60—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
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
- H01H31/32—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with rectilinearly-movable contact
- 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
- H01H33/6662—Operating arrangements using bistable electromagnetic actuators, e.g. linear polarised electromagnetic actuators

Definitions

the present invention relates to a medium voltage electrical distribution cell intended to be interposed between two parts of an electrical circuit so as to provide the functions respectively of current flow between the two parts, of interruption of the current between the two parts, of severing the voltage and grounding of one of the parts of said circuit.
the vacuum bulbs are used to perform the switch and breaker functions while the air or gas insulated devices are most often used to perform the functions of sectioning or switching. Earth.
These functions can be combined in different ways to realize functional units providing both power interruption, sectioning and grounding functions.
a functional unit consisting of a three-position switchgear respectively performing the functions switch, disconnector and earthing switch or a functional unit consisting of a switch-disconnector combined with a disconnector earth, or a functional unit consisting of a two-position switch including grounding combined with a switch or circuit breaker.
a functional unit consisting of the combination of three devices respectively performing the functions of disconnector, earthing switch and switch.
the present invention aims to provide a medium voltage electrical distribution cell for performing at least the circuit breaker (switch) and disconnector functions by means of insulation technology using the vacuum so as to eliminate the use of gas, while maintaining a certain compactness of the cell.
the subject of the present invention is an electrical distribution cell of the kind mentioned above, this cell being characterized in that the current-passing, interruption and sectioning functions of the above-mentioned voltage are realized in vacuum, and in that it further comprises an additional separation means placed in the ground connection circuit, said means being able to add an additional sectioning gap in the earth circuit in the transit position. current and interruption of the current and to remove this additional sectioning interval in the disconnected position of the voltage between the two parts and during the grounding of one of the aforementioned parts.
the above grounding function is also performed in a vacuum.
this cell comprises a switch (or circuit breaker) with three positions, respectively a position for passing the current between the two parts, a position for interrupting the current and for disconnecting the voltage between the two parts and a position
This switch / circuit breaker is housed in a vacuum interrupter.
this additional separation means is realized with technology of cut in the air, in the gas, in the oil or in the vacuum.
this bulb comprises an envelope inside which are mounted a first fixed contact electrically connected to the aforesaid first portion of current, a movable contact electrically connected to the aforementioned second circuit part and a second fixed contact which works either as a floating screen or as a contact, and electrically connected to ground.
the additional separation means comprises a switch to connect or not the second fixed contact to ground.
the aforementioned first circuit portion is a busbar while the second circuit portion is a cable.
the second fixed contact is located substantially in the center of the bulb.
this cell comprises means for detecting the leakage current in the bulb (s). This makes it possible to detect a loss of vacuum, to make a diagnosis of the vacuum level, or to diagnose a loss of tightness of the bulb.
this means comprises means for continuously measuring the voltage or current flowing through the second fixed contact.
a medium voltage distribution cell C intended to be placed between a busbar 1 and a cable 2 to ensure between these two elements, or the passage of the current (position a on the figure 1 ), either an interruption of the current following a cut, or a disconnection of the voltage (b), or an earthing of the (of) cables (position c).
This cell C comprises a vacuum interrupter A and a connection circuit 3 to earth T comprising an air switch (or switch) 4.
This bulb A houses a circuit breaker 5 which can take three different positions, namely a service position (as shown in FIG.
FIG 2 allowing the passage of the current of service, an open position following a power failure ( figure 3 ), a sectioning position ( fig.4 ) and a grounding position ( fig.5 ).
the switcher 4 can take two positions (e, f on the figure 1 ), namely a first position e in which it electrically connects the connection point R to the earth of the bulb, to the ground T, and a position (f) in which it interposes between this connection point R and the ground T, an additional sectioning interval I.
said bulb A comprises an enclosure 6 of substantially cylindrical shape filled with vacuum and housing a first fixed contact 7 electrically connected to the busbar, a movable contact 8 electrically connected to the cable and a second fixed contact 9 electrically connected by the intermediate of the aforementioned connection point R at the aforementioned switch 4, said switch being able to connect the aforementioned connection point R to T.
the operation of the aforementioned distribution cell will be described in the following with reference to the figures.
the bulb A In the position illustrated on the figure 2 , or service position, the bulb A is in the closed position to allow the passage of the service current.
the switch 4 is in the open position.
the first fixed contact 7 and the movable contact 8 are separated, the passage of the current is interrupted.
the transition from position a to position b corresponds to an opening of the electric circuit associated with a power failure.
the use of bulb A in these two positions is conventional.
the second fixed contact 9 inside the bulb A behaves like a floating screen. The fact that this screen is floating facilitates the dielectric strength during the cutoff phase by reducing the risk of dielectric breakdown.
the cell On the figure 4 the cell is in the so-called sectioning position. The closing of the switch 4 has been achieved, causing the grounding of the second fixed contact 9. As a result, the electric field inside the bulb changes drastically. A virtual barrier now prevents direct boots between contacts.
the bulb then functions as a disconnector.
the earthing switch in the closed position strengthens the sectioning function in the bulb.
the moving contact 8 has been brought into contact with the second fixed contact 9 of the bulb A.
the cell is then in the grounding position. Empty technology makes it possible to reliably achieve the closing power.
the invention is not limited to the embodiment described and illustrated which has been given by way of example.
the switchgear making the interruption of the current inside the bulb can be a switch or a circuit breaker.
the different functions can be placed in different bulbs, one for each function.

Landscapes

Gas-Insulated Switchgears (AREA)
Emergency Protection Circuit Devices (AREA)
High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

EP09354042A 2008-12-18 2009-10-20 Zelle zur Verteilung von Strom mittlerer Spannung Active EP2200060B1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR0807109A FR2940543A1 (fr)	2008-12-18	2008-12-18	Cellule de distribution electrique moyenne tension

Publications (2)

Publication Number	Publication Date
EP2200060A1 true EP2200060A1 (de)	2010-06-23
EP2200060B1 EP2200060B1 (de)	2011-08-10

Family

ID=40863748

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09354042A Active EP2200060B1 (de)	2008-12-18	2009-10-20	Zelle zur Verteilung von Strom mittlerer Spannung

Country Status (5)

Country	Link
EP (1)	EP2200060B1 (de)
CN (1)	CN101752799B (de)
AT (1)	ATE520138T1 (de)
ES (1)	ES2368610T3 (de)
FR (1)	FR2940543A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2012072181A1 (de) *	2010-11-30	2012-06-07	Maschinenfabrik Reinhausen Gmbh	Stufenschalter und vakuumschaltröhre für einen solchen stufenschalter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2001099132A1 (de) *	2000-06-23	2001-12-27	Siemens Aktiengesellschaft	Vakuumschaltröhre mit zwei kontaktsystemen
JP2003308767A (ja) *	2002-04-12	2003-10-31	Toshiba Corp	真空開閉装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL154369B (nl) *	1973-12-21	1977-08-15	Hazemeijer Bv	Elektrische hoogspanningsschakelaar met twee in serie geschakelde schakeltrajecten.
US6144005A (en) *	1997-07-23	2000-11-07	Hitachi, Ltd.	Vacuum switch and a vacuum switchgear using the same

2008
- 2008-12-18 FR FR0807109A patent/FR2940543A1/fr active Pending
2009
- 2009-10-20 ES ES09354042T patent/ES2368610T3/es active Active
- 2009-10-20 EP EP09354042A patent/EP2200060B1/de active Active
- 2009-10-20 AT AT09354042T patent/ATE520138T1/de not_active IP Right Cessation
- 2009-12-15 CN CN200910261462.8A patent/CN101752799B/zh active Active

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2001099132A1 (de) *	2000-06-23	2001-12-27	Siemens Aktiengesellschaft	Vakuumschaltröhre mit zwei kontaktsystemen
JP2003308767A (ja) *	2002-04-12	2003-10-31	Toshiba Corp	真空開閉装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2012072181A1 (de) *	2010-11-30	2012-06-07	Maschinenfabrik Reinhausen Gmbh	Stufenschalter und vakuumschaltröhre für einen solchen stufenschalter
US9607781B2 (en)	2010-11-30	2017-03-28	Siemens Aktiengesellschaft	Tap changer and vacuum interrupter for a tap changer of this kind

Also Published As

Publication number	Publication date
EP2200060B1 (de)	2011-08-10
ES2368610T3 (es)	2011-11-18
CN101752799B (zh)	2015-01-21
FR2940543A1 (fr)	2010-06-25
CN101752799A (zh)	2010-06-23
ATE520138T1 (de)	2011-08-15

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EP2575154B1 (de)	2015-07-29	Zelle zur Verteilung von Strom mittlerer Spannung
EP2628221B1 (de)	2014-11-05	Erdungsschaltervorrichtung und hochspannungsschaltanlage mit einer solchen vorrichtung
EP3227897B1 (de)	2018-10-24	Elektrische tripout-vorrichtung mit einem schutzschalter und isolator
FR2823002A1 (fr)	2002-10-04	Interrupteur/sectionneur multifonctionnel pour poste de distribution electrique
EP2743957B1 (de)	2015-05-06	Gerät zur Stromunterbrechung, insbesondere Anschluss-Überlastschalter
EP2735012A1 (de)	2014-05-28	Trennschalter für eine gasisolierte anlage mit einer vakuumlampe
EP2711951A1 (de)	2014-03-26	Schaltvorrichtung für einen elektrischen Schaltkreis, die elektrische Signalgebungsmittel umfasst
FR2881571A1 (fr)	2006-08-04	Appareil de protection electrique haute ou moyenne tension
FR3012690A1 (fr)	2015-05-01	Module pour psem

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