CN1274468A - Blow-out coil for gas-insulated load-break switches - Google Patents
Blow-out coil for gas-insulated load-break switches Download PDFInfo
- Publication number
- CN1274468A CN1274468A CN99801182A CN99801182A CN1274468A CN 1274468 A CN1274468 A CN 1274468A CN 99801182 A CN99801182 A CN 99801182A CN 99801182 A CN99801182 A CN 99801182A CN 1274468 A CN1274468 A CN 1274468A
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- CN
- China
- Prior art keywords
- contact
- coil
- petersen
- winding
- fixed contact
- 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.)
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Classifications
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- 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
- H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
- H01H33/187—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet comprising a hollow annular arc runner and a central contact between which a radially drawn arc rotates
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Gas-Insulated Switchgears (AREA)
- Transformer Cooling (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to a blow-out coil for gas-insulated load-break switches whose phases have one fixed and one mobile contact, comprising a winding body supporting a single- or multi-layer winding connected to a fixed contact potential, and a field-control electrode. According to the invention the blow-out coil is configured in such a way that it can be used at lower cost and almost universally in load-break switches or switches requiring a load switching capacity. To this end the turn (9; 24) of the winding (6; 19) facing the contacts (2/4; 2a/4a; 15/25) is uninsulated, the end section (10; 23) of said turn (9; 24) is pointed towards the fixed-contact-side base of the electric arc and the free end of the end section (10; 23) is positioned at a minimum distance to said base and to the mobile contact (4; 4a; 25) which can be moved past said end.
Description
The present invention relates to a kind of by claim 1 Petersen coil that is used for gas isolated on-load switch as described in the preamble.
The applied load switch is known in the pressure-controlled derailing switch in gas isolated, and the heterogeneous Petersen coil that is equipped with of this on-load switch is to guarantee switch.Switch particularly guaranteed like this, and is promptly as far as possible little and extinguish as quickly as possible by the electric arc that forms between the movable switch contact of each phase and fixed contact in switching process, and prevents the scaling loss of contact thus most possibly.Petersen coil has one to have the metal-cored of a single or multiple lift winding usually, electric arc be conducted into described metal-cored in, and rotate therein until the magnetic field that is produced therefrom and extinguish.
The method of guaranteeing switch is, described Petersen coil have one with described fixed contact at a distance of auxiliary contact (EP 0313106 A2 of certain distance, EP 0676782 A2) or one the commutation parts (GB 2196794 A), electric arc is at the cardinal extremity of switch contact side or at the cardinal extremity of fixed contact side, enter coil via auxiliary contact or commutation parts, electric arc extinguishes therein then.Switch contact directly contacts with the auxiliary contact that forms on corresponding core body in this process.
The theme that relates among EP 0021577 A1 also is an on-load switch, the heterogeneous Petersen coil that has with a winding body (coil core) and a single layer winding of this switch.Be provided with one in the inside of winding body and be used for a defeated contact that helps that puts in the switch contact of winding body, it contact with switch contact in switching process before main contact is opened and closed, so that it is little and pass through the shortest path extinguish arcs to produce electric arc.Auxiliary contact is as parts that limit the path of the electric arc between switch contact and coil windings body in this process, and wherein the inner surface of winding body is as a contact-making surface of electric arc.In addition, winding body has the electrode of the electric field of a control break-make spacing in the contact side.
In addition, Wo 98/06120 has disclosed a switchgear that has on-load switch as transformer switch, described switch have a Petersen coil mutually.This Petersen coil has the winding body that the electric arc conduction is entered the conducting parts of coil with, this conducting parts is stretched and the closely adjacent zone of fixed contact, and tangent, and bear the cardinal extremity of (reception) electric arc in the fixed contact side with the free-ended motion path of switch contact.
Described Petersen coil is a single or multiple lift winding on a metal winding body, and has a conducting parts of bearing (reception) as the cardinal extremity of electric arc, it is connected electrically on the winding and stretches and arrive the closely adjacent zone of described fixed contact, and tangent with the free-ended motion path of switch contact.Therefore described conducting parts does not need forcibly the cardinal extremity orientation towards electric arc.For near the motion path of fixed contact and switch contact described conducting parts is set, Petersen coil must be configured to become with switch contact obtuse angle or right angle.Winding body is made by a nonmagnetic metal, and described winding made by a copper strips that has heat insulating lamella between the belt usually, wherein the top of copper strips preferably by brazing filler metal, rivet or be spirally connected and mechanically and therefore electrically be connected on the winding body.
Conducting parts is a conducting plate that switch cutter width is arranged, and conducting plate is the form of a biswitch cutter, and is used in described this a kind of switching device with known mode.And receive two at a distance of the fixed contact between the switch cutter of certain distance at " opening " state.So meaning is showing that described conducting plate has a sizable width.Herein, this conducting plate is an independent sector that is electrically connected by described winding body and coil windings.
Because this layout of conducting plate on the winding body of Petersen coil and structure and because the geometrical condition that is used to settle Petersen coil self that produces therefrom makes coil cost an arm and a leg on the one hand can not obtain extensive use on the other hand.
The purpose of this invention is to provide a kind ofly according to claim 1 Petersen coil that is used for the gas-insulated on-load switch as described in the preamble, it is with low cost and farthest be widely used in on-load switch or requirement has in the switch of load switch ability.
In the described Petersen coil according to claim 1, this purpose can realize by its feature, has provided good embodiment in remaining dependent claims.
Comprise a winding body with a kind of known mode, a single or multiple lift winding that is connected to described fixed contact, the Petersen coil of an electrode for field control is according to the present invention's design and setting like this, promptly make on-load switch each mutually in towards the end coil exposed metal/bare metal of contact (fixed contact and a movable contact), the terminal part of this coil is towards the cardinal extremity orientation of electric arc in the fixed contact side, produce electric arc at this cardinal extremity in the switch motion of motion contact, the free end of this end segments is apart from this cardinal extremity and move the spacing that a minimum is arranged through the motion contact of this end.The end coil that deviates from described contact winding links to each other with the fixed contact current potential.Electric arc passes through on end coil.
With this structure and design, described Petersen coil can have nothing to do with the steric requirements in construction of switch and make and break contact zone and be used for all on-load switches that requirement has the on-load switch ability.
The expense of Petersen coil of making the previously described relatively prior art of the expense field of described coil is to reduce.
Described winding body can be made and had an electrode for field control in the contact side by a conductive plastic material.
Owing to not producing the metal-cored of strong demagnetizing action, can use few several coils that electric arc is carried out enough electric arc driving action as short-circuited coil.Thereby can use a single layer winding.According to the present invention, last coil be expose and as a contact surface of electric arc.
It is favourable that a cap rock of being made by conductive plastics is set on winding, and this cap rock has an electrode for field control element equally in the contact side.Be provided with so described winding wire the end so that the ARC commutating that between described contact, produces enter in the described Petersen coil.Thus, can be fixed on the described arc electrodes of forming by two electrode members with a kind of simple mode at the free end of the end coil of contact side predeterminedly, and with its orientation independent of determining by the fixed contact position.
Because its mechanical property, plastic material can be preferably a kind of thermoplastic, and it preferably has the impedance of one 50 to 5000 Ω resistance value.
Described plastic material can have a kind of composition that extinguishes gas that discharges under the situation that produces the rising of described electric arc and relevant temperature, thus, the described concentration of gas in Petersen coil and switch distance areas of extinguishing increases, and the arc extinguishing ability of this Petersen coil is improved.
The free end of described coil contact side also can have a capping with anti-flammability of reinforcement, to improve described Petersen coil useful life, the pipe box that this capping is preferably compressed into.
For the ease of Petersen coil is installed, winding body is preferably with a fixture that is shaped according to (one) of switchtype and steric requirements regulation separately in a side that deviates from described contact.Described fixture also can be used for the clamping that deviates from contact end and the guiding of winding simultaneously, and it mechanically and electrically is connected on separately the contact element jointly, for example on busbar (busbar).For this reason, described fixture has the groove that is pressed into of an end that is used for winding.
Present invention is described by two embodiment below, and part schematically He illustrates with analysing and observe among the figure:
Fig. 1 a: Petersen coil that has fixed contact by center of the present invention
Fig. 2: a center has the another kind of structure of the Petersen coil of fixed contact,
Fig. 3: second embodiment that is arranged on the Petersen coil on fixed contact next door.
Fig. 1 shows one and surrounds fixed contact 2, and therewith is arranged on the Petersen coil 1 on the fixed contact carriage 3, and this carriage links to each other with a busbar (not shown).A movable switch contact 4 links to each other with these fixed contact 2 effects.Petersen coil 1 comprises one and is roughly winding body that the conductive plastic material (POM-polyformaldehyde) of 4000 Ω resistance values constitutes 5, a single layer winding 6 and a cap rock 7 that covers described winding 6 and made by same plastic material by conductivity.In a side of contact 2 and 4 on winding body 5 and cap rock 7, respectively (one) be formed with an electrode (8,8a) in order to the electric field of control break-make spacing.
The free end that Fig. 2 illustrates movable contact 4a (biswitch cutter) is arranged on 1 li of Petersen coil in make position and a fixed contact 2a.Facing to the end region 10 of the end coil 9 of contact 2a and 4a in the wobble area of movable contact 4 and closely adjacent with fixed contact 2a between its switch cutter.
If contact 4 (4a) turns to its open position, it leaves fixed contact 2, can be at electric arc of generation between the zone line of the upper limb of this fixed contact 2 (2a) and the movable contact 4 (4a).If contact 4 (4a) is through end 10, then described electric arc is born (reception) at the cardinal extremity of described fixed contact side by described end 10, and this electric arc is conducted in the winding 6 and extinguishes in known manner.
Fig. 3 shows the another kind of a Petersen coil 14 of going up mutually one of an on-load switch by the present invention and implements structure and layout.Petersen coil 14 is arranged on the fixed contact carriage 16 adjacent with fixed contact 15, and its axis A becomes 30 ° of angles with respect to the fixed contact carriage, described Petersen coil comprises a winding body 17 that has at the electrode piece 18 that deviates from the formation of fixed contact carriage 16 sides, 19, one of a single layer winding has cap rock 20 and molded fixture 22 of an electrode piece 21.Towards the fixed contact cardinal extremity orientation at the electric arc that movable and contact 25 that be biswitch knife-edge formula and fixed contact 15 are produced separately the time, the afterbody of its medial end portions 23 and the spacing of this fixed contact are 3mm in the end 23 of the end coil 24 of the exposed metal/bare metal of contact side.This end 23 is with respect to 30 ° of angles of axis A bending, and supported by the cradle member 26 that on cap rock 20 (one) forms.On winding body 17, be formed with retaining element 22 in the fixed contact bracket side, the end regions 27 towards fixed contact carriage 16 of winding 19 is directed to this retaining element, and with this retaining element by using hold-down screw 28 machineries and electrically being fixed on the fixed contact carriage 16.
In the structure and layout of this Petersen coil, the electric arc that produces between movable contact 25 and fixed contact 16 in the motion of the switch of movable contact imports into the shortest path the described winding 19 from fixed contact 15 by the end 23 of winding 19 and is also extinguished there, and this winding 19 is arranged on the plane of fixed contact 15 and in the zone between the switch cutter.
Claims (12)
1. the Petersen coil that is used for gas isolated on-load switch, each of described on-load switch has a fixed contact (2 mutually, 2a, 15) and a movable contact (4,4a, 25), described Petersen coil has the winding body (5 of the single or multiple lift winding (6,19) that links to each other with described fixed contact electromotive force of supporting, 17), an electrode for field control (8,18) and one stretch and to described fixed contact (2,2a, 15) transport element of tight adjacent region, it is characterized in that: described winding body (5,17) is made by a kind of conductive plastic material, and described winding (6,19) towards described contact (2/4, the end of coil (9,24) 2a/4a, 15/25) forms transport element, wherein said coil (9,24) exposed metal/bare metal and towards the cardinal extremity orientation of described fixed contact side, the free end of described end (10,23) be cardinal extremity and move described movable contact (4 through this end therewith; 4a; The spacing that a minimum is arranged 25).
2. by the described Petersen coil of claim 1, it is characterized in that: described winding (6,19) has a cap rock of being made by conductive plastic material (7,20).
3. by the described Petersen coil of claim 1, it is characterized in that: described winding body (5,17) has an electrode for field control element (8,18) in the contact side.
4. by the described Petersen coil of claim 2, it is characterized in that: described cap rock (7,20) has an electrode for field control element (8a, 21) in described contact side.
5. by the described Petersen coil of claim 2, it is characterized in that: described plastic material is a thermoplastic.
6. by claim 1 or 5 described Petersen coils, it is characterized in that: described plastic material has the conductivity of 50 to 5000 Ω resistance values.
7. by claim 1,2,5 or 6 described Petersen coils is characterized in that: described plastic material contains the part that gas is extinguished in release.
8. by the described Petersen coil of claim 1, it is characterized in that: the end (10,23) of described coil (9,24) has one and has the capping that strengthens anti-flammability.
9. by the described Petersen coil of claim 8, it is characterized in that: described capping is made of a pipe box of compressing into end (10,23).
10. by claim 1 or 3 described Petersen coils, it is characterized in that: described winding body (5,17) has a fixture (12,22) deviating from described contact (2/4,2a/4a, 15/25) side.
11. by the described Petersen coil of claim 10, it is characterized in that: described fixture (12,22) as described winding (6,19) deviate from the end regions (11 of contact (2/4,2a/4a, 15/25) side, 27) clamping and guiding, thereby with described winding (6,19) but mechanical fixation and can being connected electrically to thus on the described fixed contact carriage (3,16) together.
12. by claim 10 or 11 described Petersen coils, it is characterized in that: described fixture (12,22) has the groove that is pressed into of a described end regions (11,27) that is used for described winding (6,19).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813217A DE19813217C1 (en) | 1998-03-26 | 1998-03-26 | Quenching coil for gas-insulated switch disconnectors |
| DE19813217.4 | 1998-03-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1274468A true CN1274468A (en) | 2000-11-22 |
| CN1120511C CN1120511C (en) | 2003-09-03 |
Family
ID=7862320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99801182A Expired - Fee Related CN1120511C (en) | 1998-03-26 | 1999-03-19 | Blow-out coil for gas-insulated load-break switches |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP1064663B1 (en) |
| CN (1) | CN1120511C (en) |
| AT (1) | ATE210886T1 (en) |
| BR (1) | BR9908370A (en) |
| CZ (1) | CZ296224B6 (en) |
| DE (2) | DE19813217C1 (en) |
| ES (1) | ES2168857T3 (en) |
| NO (1) | NO317375B1 (en) |
| PL (1) | PL191260B1 (en) |
| WO (1) | WO1999049488A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710947A (en) * | 2017-02-07 | 2017-05-24 | 平高集团有限公司 | Direct-acting type three-station load switch and switch cabinet with load switch |
| CN107910225A (en) * | 2017-11-24 | 2018-04-13 | 周敬存 | A kind of arc-control device and its arc-suppressing method on ring main unit |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008031468B3 (en) * | 2008-07-01 | 2010-04-08 | Siemens Aktiengesellschaft | Switch-disconnector with an arc-extinguishing device |
| US8878092B2 (en) | 2009-06-25 | 2014-11-04 | Mitsubishi Electric Corporation | Gas-insulated switchgear |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE6556T1 (en) * | 1979-05-25 | 1984-03-15 | South Wales Switchgear Limited | ELECTRICAL SWITCHGEAR OF THE ROTATING ARC TYPE WITH DOUBLE BREAKDOWN. |
| FI78195C (en) * | 1986-10-27 | 1989-06-12 | Stroemberg Oy Ab | Switch |
| ATE83586T1 (en) * | 1987-03-12 | 1993-01-15 | Merlin Gerin Ltd | ELECTRICAL SWITCHGEAR. |
| US5464956A (en) * | 1994-04-08 | 1995-11-07 | S&C Electric Company | Rotating arc interrupter for loadbreak switch |
| DE19631817C1 (en) * | 1996-08-07 | 1998-03-12 | Felten & Guilleaume Energie | SF¶6¶ gas-insulated switchgear for distribution networks |
-
1998
- 1998-03-26 DE DE19813217A patent/DE19813217C1/en not_active Expired - Fee Related
-
1999
- 1999-03-19 CN CN99801182A patent/CN1120511C/en not_active Expired - Fee Related
- 1999-03-19 PL PL341863A patent/PL191260B1/en unknown
- 1999-03-19 CZ CZ20000918A patent/CZ296224B6/en not_active IP Right Cessation
- 1999-03-19 BR BR9908370-1A patent/BR9908370A/en not_active IP Right Cessation
- 1999-03-19 WO PCT/EP1999/001828 patent/WO1999049488A1/en active IP Right Grant
- 1999-03-19 EP EP99910366A patent/EP1064663B1/en not_active Expired - Lifetime
- 1999-03-19 DE DE59900543T patent/DE59900543D1/en not_active Expired - Lifetime
- 1999-03-19 AT AT99910366T patent/ATE210886T1/en not_active IP Right Cessation
- 1999-03-19 ES ES99910366T patent/ES2168857T3/en not_active Expired - Lifetime
-
2000
- 2000-02-09 NO NO20000646A patent/NO317375B1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710947A (en) * | 2017-02-07 | 2017-05-24 | 平高集团有限公司 | Direct-acting type three-station load switch and switch cabinet with load switch |
| CN107910225A (en) * | 2017-11-24 | 2018-04-13 | 周敬存 | A kind of arc-control device and its arc-suppressing method on ring main unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CZ296224B6 (en) | 2006-02-15 |
| NO317375B1 (en) | 2004-10-18 |
| CN1120511C (en) | 2003-09-03 |
| DE19813217C1 (en) | 1999-11-25 |
| ES2168857T3 (en) | 2002-06-16 |
| NO20000646L (en) | 2000-09-26 |
| DE59900543D1 (en) | 2002-01-24 |
| PL191260B1 (en) | 2006-04-28 |
| NO20000646D0 (en) | 2000-02-09 |
| EP1064663A1 (en) | 2001-01-03 |
| PL341863A1 (en) | 2001-05-07 |
| EP1064663B1 (en) | 2001-12-12 |
| ATE210886T1 (en) | 2001-12-15 |
| WO1999049488A1 (en) | 1999-09-30 |
| CZ2000918A3 (en) | 2000-07-12 |
| BR9908370A (en) | 2000-11-21 |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: OMAR SARWAR EQUIPMENT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: FELTEN A GUILLEAUME CO., LTD. Effective date: 20060512 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20060512 Address after: German Clay Field Patentee after: Ormazabal Equipment Technology S A Address before: Cologne, Germany Patentee before: Felten & Guilleaume Energietechnic AG |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030903 Termination date: 20180319 |