EP3338293A1 - Mittel- oder hochspannungsschaltanlage mit einem gasdichten isolierraum - Google Patents
Mittel- oder hochspannungsschaltanlage mit einem gasdichten isolierraumInfo
- Publication number
- EP3338293A1 EP3338293A1 EP16745431.3A EP16745431A EP3338293A1 EP 3338293 A1 EP3338293 A1 EP 3338293A1 EP 16745431 A EP16745431 A EP 16745431A EP 3338293 A1 EP3338293 A1 EP 3338293A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nitrogen
- nozzle
- gas
- mass
- oxygen
- 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.)
- Granted
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000007789 gas Substances 0.000 claims abstract description 23
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 23
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000001301 oxygen Substances 0.000 claims abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 19
- 239000004033 plastic Substances 0.000 claims abstract description 17
- 229920003023 plastic Polymers 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 7
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 7
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- 239000004642 Polyimide Substances 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 239000004962 Polyamide-imide Substances 0.000 claims description 2
- 229920002312 polyamide-imide Polymers 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 description 13
- 239000004952 Polyamide Substances 0.000 description 7
- 229920002647 polyamide Polymers 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 238000005215 recombination Methods 0.000 description 4
- 230000006798 recombination Effects 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910018503 SF6 Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229920006018 co-polyamide Polymers 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical class FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/22—Selection of fluids for arc-extinguishing
-
- 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
- H01H33/021—Use of solid insulating compounds resistant to the contacting fluid dielectrics and their decomposition products, e.g. to SF6
-
- 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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
- H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle
-
- 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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/38—Means for extinguishing or suppressing arc
Definitions
- the invention relates to a medium or high voltage switch ⁇ system with a gas-tight insulating space according to the preamble of claim 1.
- Gas-insulated medium or high voltage ⁇ tion systems in particular according to the principle of the so-called blow piston switch or self-blow switch, have an inert and in particular electrically insulating gas.
- This insulating the one hand serves to insulate the current flowing in the interior of the scarf ⁇ ters electric currents from the housing and on the other hand to, in particular would be in the interior of the switchgear to extinguish an arc.
- the sulfur hexafluoride SF 6 is used for this purpose. SF 6 has very good insulating properties and very good arc extinguishing properties, but has a very high global warming potential, which is why it is being considered to replace this insulating gas.
- the object of the invention is to provide a medium or high voltage switchgear, which compared to the established SF 6 has an alternative insulating gas and ⁇ arise with fewer recombination products after extinguishing an arc that damage the operation of the system.
- the solution of the problem consists in a medium or high ⁇ voltage switchgear with the features of claim 1.
- Such a system has a gas-tight insulating space in which an insulating gas is present with overpressure. Furthermore, the system provides at least two switching contacts, which are arranged in the insulating space, wherein at least one switching ⁇ contact with respect to a nozzle is movably mounted.
- the He ⁇ invention is characterized in that the insulating gas is a mixture which consists of at least 90 mass% of nitrogen and oxygen in total, respectively, or at least 90% by mass consists of a mixture of nitrogen and carbon dioxide.
- the two alternative insulating gases mentioned are either air, in particular purified air, which may also be represented synthetically, and a so-called biogene, that is to say a mixture of nitrogen and carbon dioxide, which contains up to 40% carbon dioxide.
- the nozzle is made at least partially from a plastic material to be 65% in the sum of elements includes at least ⁇ carbon, nitrogen and oxygen. This is to say that the plastic al ⁇ le contains these three elements, and that the sum of the masses of these elements amount to at least 65% of the total mass of the Kunststoffstof ⁇ fes. More preferably, the mass of these elements is 70%, most preferably 75% of the mass of the plastic.
- the nozzle and at least one switching contact are arranged symmetrically with respect to each other with respect to a rotation axis. It causes the switching contact to be pulled out of the surrounding nozzle, thereby creating a cylindrical space in which the arc can propagate and in which, since it is a symmetrical space, it can best be extinguished.
- FIG. 1 to Figure 5 shows a switchgear, in particular the
- FIG. 1 shows a switchgear, be it a medium or high- voltage switchgear, which has an insulating space 4.
- the insulating space 4 is shown schematically by dashed lines around the switching contacts 8 and 10 around. This means that the arrangement outside the switching contacts 8 and 10 is not considered in detail.
- the switching contacts 8 and 10 are rotati ⁇ onssymmetrische components which are arranged around the rotation axis 13 around rotationally symmetrical.
- the switching contact 8 has a central mandrel 7 which is annularly surrounded by an outer switching contact 14.
- a two ⁇ ter switching contact 10 also has a central mandrel 9, which in turn is rotationally symmetrically surrounded by an outer switching contact 16, these components also represent an integrated component, which is characterized here as a switching contact 10 be ⁇ .
- the central mandrel 7 is in this case, as shown in Figure 2, in the closed state in a bore 11, which is introduced along the rotation axis 13 in the central mandrel 9 of the switching contact 10.
- the outer switching contacts 14 and 16 which represent the main current path.
- a nozzle pre ⁇ see 12 which consists of a plastic, and which also rotationally symmetrical with respect.
- the axis of rotation 13 around the cen- eral mandrel 7 of the switch contact 8 is arranged.
- the outer contacts 14 and 16 are first separated from each other, for which purpose at least one switching contact by a drive, illustrated by the arrow 22 along the rotation axis 13 is subtracted.
- the separation process takes place in total within a few milliseconds, but after the separation of the outer contacts 14 and 16, the contact between the central spines 7 and 9 first persists.
- the mandrel 7 is pulled out of the bore 11 of the mandrel 9.
- the nozzle 12 is attached to the switch contact 10 in such a way that it moves with respect to the mandrel 7 along the axis 13.
- Oxygen flows along the arrows 6 in Figure 3 around the arc 20 and extinguished it.
- the nozzle material which is a polyamide
- gas ⁇ shaped decomposition products are made on the basis of carbon, nitrogen and oxygen.
- the polyamide as the nozzle material comprises substantially the same elements as in the air.
- Special nitrogen and oxygen are essential constituents of the polyamide.
- An alternative, also particularly suitable nozzle material is a polyimide.
- the air may also be so-called Biogen, ie a mixture of stick ⁇ material and oxygen are used as an insulating gas. 6
- a typical polyamide has 39, 6% carbon, 5, 9% hydrogen, 30.6% oxygen and 6.5% nitrogen. All percentages ⁇ disclosures it these are mass%.
- fillers and fire-retardants phosphorus with 3, 6%, silicon and 8.8%, aluminum with 2.7%, calcium introduced with 1.7% and zinc with 0.6%.
- the 3 elements carbon, oxygen and nitrogen together have a mass of 76.7%.
- another polyamide is described that has 49% carbon, 8% hydrogen, 20.1% oxygen and 9.5% nitrogen.
- fillers are added, such as phosphorus at 2.6%, silicon at 5.4%, aluminum at 2.1%, calcium at 3.3%.
- the sum of the elements carbon, nitrogen and Sauer ⁇ material in this case is 78.6%.
- a co-polyamide which contains 40% carbon, 4.4% hydrogen, 29.3% oxygen and 6.5% nitrogen ⁇ .
- the sum of the elements carbon, oxygen and nitrogen is 75.8%.
- the plastic which is for the nozzle used contains at least 65% mass% of these said elements coals ⁇ material, oxygen and nitrogen three. This amount of the materials mentioned it ensures that no products are formed as decomposition products ⁇ which otherwise contaminate the one hand, the ISO liergas and the nozzle surface.
- insulating gas in turn has purified air, which may be synthetically prepared from the basic components of nitrogen and oxygen, found to be useful.
- the mixture corresponds generally holds 80% nitrogen and 20% sour ⁇ material.
- insulating gas 4 it is further also useful as insulating gas 4 to use the so-called biogen, which is also based on nitrogen and contains up to 40% carbon dioxide.
- the plastic used for the nozzle 12 contains no or only very little fluorine. Fluorine compounds form, in particular with carbon, which is contained in almost all plastics, fluorocarbon compounds which contaminate the insulating space 4 and the switching contacts 8 and 10 and the nozzle 13. It has been found that the proportion of the fluorine in the plastic we ⁇ niger than 1%, should be preferably less than 0.1%.
Landscapes
- Circuit Breakers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HRP20191975TT HRP20191975T1 (hr) | 2015-09-18 | 2019-10-30 | Srednjenaponska ili visokonaponska upravljačka sklopka s plinsko-nepropusnim izolacijskim prostorom |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015218003.4A DE102015218003A1 (de) | 2015-09-18 | 2015-09-18 | Mittel- oder Hochspannungsschaltanlage mit einem gasdichten Isolierraum |
PCT/EP2016/067405 WO2017045811A1 (de) | 2015-09-18 | 2016-07-21 | Mittel- oder hochspannungsschaltanlage mit einem gasdichten isolierraum |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3338293A1 true EP3338293A1 (de) | 2018-06-27 |
EP3338293B1 EP3338293B1 (de) | 2019-08-28 |
Family
ID=56557673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16745431.3A Active EP3338293B1 (de) | 2015-09-18 | 2016-07-21 | Mittel- oder hochspannungsschaltanlage mit einem gasdichten isolierraum |
Country Status (8)
Country | Link |
---|---|
US (1) | US10373785B2 (de) |
EP (1) | EP3338293B1 (de) |
KR (1) | KR102055694B1 (de) |
CN (1) | CN108028147B (de) |
CA (1) | CA2998974C (de) |
DE (1) | DE102015218003A1 (de) |
HR (1) | HRP20191975T1 (de) |
WO (1) | WO2017045811A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015218003A1 (de) | 2015-09-18 | 2017-03-23 | Siemens Aktiengesellschaft | Mittel- oder Hochspannungsschaltanlage mit einem gasdichten Isolierraum |
EP3349234B1 (de) * | 2017-01-17 | 2020-11-18 | General Electric Technology GmbH | Düse gegen elektrische blitzentladungen und schutzschalter mit solch einer düse |
DE102018205705A1 (de) | 2018-04-16 | 2019-10-17 | Siemens Aktiengesellschaft | Messverfahren und Hochspannungsmesswandler mit Clean Air |
EP3603773A1 (de) * | 2018-07-31 | 2020-02-05 | Siemens Aktiengesellschaft | Gasisolierte elektrische anlage |
DE102019206807A1 (de) * | 2019-05-10 | 2020-11-12 | Siemens Aktiengesellschaft | Mittelspannungs-Lasttrennschalter |
CN110794272A (zh) * | 2019-11-18 | 2020-02-14 | 广东电网有限责任公司 | 一种绝缘替代气体性能评估方法、装置和设备 |
DE102021215095A1 (de) * | 2021-12-30 | 2023-07-06 | Siemens Energy Global GmbH & Co. KG | Schaltvorrichtung mit Trenn- oder Erdungsfunktion |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57202003A (en) * | 1981-06-03 | 1982-12-10 | Hitachi Ltd | Sf6 gas insulating electric device and method of producing same |
US4958052A (en) | 1989-02-14 | 1990-09-18 | Mahieu William R | ARC severing and displacement method and apparatus for fault current interruption |
EP0673965A1 (de) * | 1994-03-25 | 1995-09-27 | Gec Alsthom T&D Ag | Stabilisierter Fluorkunststoff sowie daraus hergestellte Blasdüsen für Druckgasschalter |
DE19622753C1 (de) * | 1996-06-07 | 1997-08-28 | Daimler Benz Ag | Düse für einen Druckgasschalter eines elektrischen Hochspannungsschalters |
DE19645524A1 (de) | 1996-11-05 | 1998-05-07 | Abb Research Ltd | Leistungsschalter |
DE19645525A1 (de) * | 1996-11-05 | 1998-05-07 | Abb Research Ltd | Leistungsschalter |
JP2004220999A (ja) | 2003-01-17 | 2004-08-05 | Mitsubishi Electric Corp | 密閉型開閉装置 |
CN104054151B (zh) | 2012-02-06 | 2017-04-19 | 三菱电机株式会社 | 气体断路器 |
CN104488058B (zh) | 2012-04-11 | 2017-09-12 | Abb技术有限公司 | 断路器 |
FR2995462B1 (fr) * | 2012-09-10 | 2014-09-05 | Alstom Technology Ltd | Appareil electrique moyenne ou haute tension a faible impact environnemental et a isolation hybride |
JP5940180B2 (ja) * | 2013-02-07 | 2016-06-29 | 三菱電機株式会社 | 消弧用絶縁材料成形体、それを用いたガス遮断器 |
JP2015056239A (ja) * | 2013-09-10 | 2015-03-23 | 株式会社東芝 | 開閉器 |
JP2015060778A (ja) * | 2013-09-20 | 2015-03-30 | 株式会社東芝 | 開閉器 |
JP6219105B2 (ja) * | 2013-09-20 | 2017-10-25 | 株式会社東芝 | 開閉器 |
EP2887367A1 (de) | 2013-12-19 | 2015-06-24 | ABB Technology AB | Gasisolierter Hochspannungsschutzschalter |
FR3023649B1 (fr) * | 2014-07-08 | 2016-08-19 | Alstom Technology Ltd | Disjoncteur utilisant l'etat diphasique d'un gaz pour ameliorer les proprietes de coupure |
DE102015218003A1 (de) | 2015-09-18 | 2017-03-23 | Siemens Aktiengesellschaft | Mittel- oder Hochspannungsschaltanlage mit einem gasdichten Isolierraum |
-
2015
- 2015-09-18 DE DE102015218003.4A patent/DE102015218003A1/de not_active Withdrawn
-
2016
- 2016-07-21 CN CN201680053604.XA patent/CN108028147B/zh active Active
- 2016-07-21 KR KR1020187010375A patent/KR102055694B1/ko active IP Right Grant
- 2016-07-21 US US15/752,684 patent/US10373785B2/en active Active
- 2016-07-21 EP EP16745431.3A patent/EP3338293B1/de active Active
- 2016-07-21 WO PCT/EP2016/067405 patent/WO2017045811A1/de active Application Filing
- 2016-07-21 CA CA2998974A patent/CA2998974C/en active Active
-
2019
- 2019-10-30 HR HRP20191975TT patent/HRP20191975T1/hr unknown
Also Published As
Publication number | Publication date |
---|---|
US20180240626A1 (en) | 2018-08-23 |
CN108028147A (zh) | 2018-05-11 |
KR102055694B1 (ko) | 2019-12-13 |
WO2017045811A1 (de) | 2017-03-23 |
EP3338293B1 (de) | 2019-08-28 |
US10373785B2 (en) | 2019-08-06 |
CA2998974A1 (en) | 2017-03-23 |
CN108028147B (zh) | 2019-10-15 |
DE102015218003A1 (de) | 2017-03-23 |
KR20180051629A (ko) | 2018-05-16 |
HRP20191975T1 (hr) | 2020-02-07 |
CA2998974C (en) | 2020-03-10 |
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