NO152528B - DEVICE FOR COMPACT SWITCH - Google Patents
DEVICE FOR COMPACT SWITCH Download PDFInfo
- Publication number
- NO152528B NO152528B NO831290A NO831290A NO152528B NO 152528 B NO152528 B NO 152528B NO 831290 A NO831290 A NO 831290A NO 831290 A NO831290 A NO 831290A NO 152528 B NO152528 B NO 152528B
- Authority
- NO
- Norway
- Prior art keywords
- fuse
- release mechanism
- release
- rear part
- housing
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 claims description 20
- 239000004020 conductor Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 6
- 229910018503 SF6 Inorganic materials 0.000 description 3
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 3
- 229960000909 sulfur hexafluoride Drugs 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/26—Arrangements of fuses, resistors, voltage arresters or the like
-
- 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
- H01H85/30—Means for indicating condition of fuse structurally associated with the fuse
- H01H85/303—Movable indicating elements
- H01H85/306—Movable indicating elements acting on an auxiliary switch or contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/122—Automatic release mechanisms with or without manual release actuated by blowing of a fuse
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fuses (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Push-Button Switches (AREA)
- Switches With Compound Operations (AREA)
Description
Foreliggende oppfinnelse angår en anordning ved kompaktbryteranlegg med sikringer som har meldeknapper som kan påvirke bryteranleggets utløsermekanisme. The present invention relates to a device for compact switch systems with fuses that have notification buttons that can affect the switch system's release mechanism.
Gassisolerte kompaktbryteranlegg anvendes for spenninger Gas-insulated compact switch systems are used for voltages
opp til 36 000 kV og bryteranleggene har mekanismer for utløsning av en transformatorbryter etter sikringsbrudd. up to 36,000 kV and the switchgear has mechanisms for tripping a transformer breaker after a fuse failure.
Det er vanlig å plassere utløsermekanismen i fronten av bryteranlegget og sikringene som har meldeknapper er anbragt slik at meldeknappene også vender mot fronten. Utløser-hendelen vil da stenge for sikringen ved skifte av denne. It is common to place the release mechanism in the front of the switchgear and the fuses that have notification buttons are arranged so that the notification buttons also face the front. The release lever will then close the fuse when it is replaced.
En slik plassering medfører at krypestrømmer har kort vei Such a location means that creepage currents have a short path
til jord over overføringsleddene i mekanismen og det skaper problemer når sikringen skal skiftes. to earth across the transmission links in the mechanism and it creates problems when the fuse needs to be replaced.
En annen ulempe er at sikringshuset blir vanskeligere å Another disadvantage is that the fuse housing becomes more difficult to
holde tett med dermed følgende gasslekkasjer og nedsatt isolasjon. Årsaken til dette er at mekanismen ofte er ført gjennom bryteranleggets lokk. I tillegg er det en ulempe at eventuelle tetninger rundt mekanismens overfør-ingsledd kan resultere i utilsiktet utløsning av utløser-mekanismen på grunn av trykkforskjeller som oppstår ved temperatursvingninger. keep tight with the resulting gas leaks and reduced insulation. The reason for this is that the mechanism is often routed through the cover of the switchgear. In addition, it is a disadvantage that any seals around the mechanism's transfer link can result in the unintended release of the release mechanism due to pressure differences that occur during temperature fluctuations.
Formålet med foreliggende oppfinnelse er i første rekke The purpose of the present invention is primarily
å oppheve de ovennevnte ulemper ved å frembringe en anordning ved kompaktbryteranlegg der krypestrømmenes vei til jord blir lenger og der gasslekkasjer unngås. Dessuten skal det være enklere å skifte sikringer. to eliminate the above-mentioned disadvantages by producing a device for compact circuit breaker systems where the creepage currents' path to earth is longer and where gas leaks are avoided. It should also be easier to change fuses.
I henhold til oppfinnelsen er dette oppnådd ved at utløser-armen for bryteranleggets utløsermekanisme er anbragt i bakkant av sikringshuset. Utløserarmen skal påvirkes av sikringens meldeknapp og sikringen har derfor enden med meldeknapp vendt fra bryteranleggets forside. Den bakre del av sikringshuset er laget av ledende materiale og mekanismen blir dermed liggende i et potensialfritt rom uten fare for krypestrømmer og utladninger. Potensial-forskjellen blir tatt opp i det omkringliggende gassrom der det vanligvis benyttes SF6-gass som isolasjon mot jord og mellom faser. According to the invention, this is achieved by the release arm for the switch system's release mechanism being placed at the back of the fuse housing. The release arm must be affected by the fuse's notification button and the fuse therefore has the end with the notification button facing away from the front of the switchgear. The rear part of the fuse housing is made of conductive material and the mechanism is thus located in a potential-free space without the risk of creepage currents and discharges. The potential difference is taken up in the surrounding gas space where SF6 gas is usually used as insulation against earth and between phases.
Forbindelsen mellom utløserarm eller hendel er ført frem til utløsermekanismen i et rør gjennom gassrommet frem til fronten av bryteranlegget, noe som gir så lang vei for krypestrømmen at disse ikke skaper problemer. The connection between the release arm or lever is led to the release mechanism in a pipe through the gas space to the front of the switch system, which gives such a long path for the creepage current that these do not cause problems.
Tetning mot luft er dessuten mindre problematisk, da ingen deler av mekanismen behøver frigjøres når det er behov for å skifte sikringer. Overføringen fra utløserarmen til ut-løsermekanismen kan i en enkel form være et wiretrekk, men i prinsippet kan hydraulisk overføring med isolerende væske eller pneumatisk overføring benyttes fra sikringshuset til utløsermekanismen. Sealing against air is also less problematic, as no part of the mechanism needs to be released when there is a need to change fuses. The transmission from the release arm to the release mechanism can in a simple form be a wire pull, but in principle hydraulic transmission with insulating liquid or pneumatic transmission can be used from the fuse housing to the release mechanism.
Oppfinnelsen er kjennetegnet ved de i kravene gjengitte trekk og vil i det følgende bli forklart nærmere under hen-visning til tegningene, der The invention is characterized by the features reproduced in the claims and will be explained in more detail below with reference to the drawings, where
figur 1 viser et kompaktbryteranlegg sett fra siden og delvis figure 1 shows a compact circuit breaker system seen from the side and partially
i snitt, og on average, and
figur 2 viser et snitt gjennom den del av et sikringshus figure 2 shows a section through that part of a fuse housing
med sikring, som vender fra bryteranleggets front. with fuse, facing from the front of the switchgear.
Hcveckomponentene som utgjør kompaktbryteranlegget på The hcvec components that make up the compact circuit breaker system on
figur 1 er et lastbryterkammer 1, en utløsermekanisme 2, Figure 1 is a switch chamber 1, a release mechanism 2,
og tre sikringshus som inneholder sikringer. Fra den bakre del av hvert sikringshus fører det rør 4 for overføring av bevegelsen av en utløserarm i den bakre del 5 av hvert sikringshus 3. Overføringen kan f.eks. være et wiretrekk som påvirker en betjeningsdel 6 for utløsermekanismen 2 and three fuse boxes containing fuses. From the rear part of each fuse housing there is pipe 4 for transmitting the movement of a trigger arm in the rear part 5 of each fuse housing 3. The transmission can e.g. be a wire pull that affects an operating part 6 for the release mechanism 2
som sørger for at strømmen brytes når en sikring går. "Den bakre del 5 er av ledende materiale og har en kontakt 7 which ensures that the current is interrupted when a fuse blows. "The rear part 5 is made of conductive material and has a contact 7
for den ene endekontakt 8 på en sikring 9. Sikringen har for one end contact 8 on a fuse 9. The fuse has
en meldeknapp 10 og en utløserarm 11 ligger i anlegg mot meldeknappen 10. Utløserarmen 11 står som forklart tid-ligere ved hjelp av wiretrekk gjennom det isolerende rør 4 i forbindelse med utløsermekanismen 2 (figur 1). Hvis sikringen går vil meldeknappen forskyves til høyre på a reporting button 10 and a release arm 11 lie in abutment against the reporting button 10. The release arm 11 is, as explained earlier, supported by a wire pull through the insulating tube 4 in connection with the release mechanism 2 (figure 1). If the fuse trips, the notification button will shift to the right on
figur 2, f.eks. av en spent fjær og utløserarmen 11 vil bli ført til den stilling som er vist med stiplede linjer. Denne bevegelse fører til at wiren 12 i over-føringen 4, 12 vil trekke i utløserdelen for utløser-mekanismen 2 og bryteren vil bli utløst. Man ser av figur 1 at sikringshusene 3 er lett tilgjengelige fra kompaktbryteranleggets front som er til venstre på figur 1 når lokket 13 fjernes og en sikring er da lett å skifte ut. Rørene 4 av isolasjonsmaterialet er i begge de åpne ender i forbindelse med den omgivende luft og strekker seg gjennom rom som er fylt med isolerende gass, f.eks. svovel-heksafluorid (SF6) og problemene med tetning av dette rom mot omgivelsene der rørene 4 går ut av rommet er ubetyde- figure 2, e.g. by a tensioned spring and the trigger arm 11 will be moved to the position shown by dashed lines. This movement causes the wire 12 in the transmission 4, 12 to pull the release part for the release mechanism 2 and the switch will be released. It can be seen from Figure 1 that the fuse housings 3 are easily accessible from the front of the compact switch system which is on the left in Figure 1 when the lid 13 is removed and a fuse is then easily replaced. The pipes 4 of the insulating material are at both open ends in connection with the surrounding air and extend through spaces filled with insulating gas, e.g. sulfur hexafluoride (SF6) and the problems with sealing this room against the surroundings where the pipes 4 exit the room are insignificant
lige idet man her har forbindelse mellom komponenter som ikke beveger seg i forhold til hverandre. Den bakre del 5 av hvert sikringshus 3 er av ledende materiale som ligger på jordpotensial. just as here you have a connection between components that do not move in relation to each other. The rear part 5 of each fuse housing 3 is made of conductive material which is at ground potential.
Claims (4)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO831290A NO152528C (en) | 1983-04-12 | 1983-04-12 | DEVICE FOR COMPACT SWITCH. |
DE19843413219 DE3413219A1 (en) | 1983-04-12 | 1984-04-07 | Device for compact-switch installations |
SE8401972A SE455357B (en) | 1983-04-12 | 1984-04-09 | DEVICE FOR COMPACT SWITCHING PLANT |
DK186084A DK154377C (en) | 1983-04-12 | 1984-04-11 | COMPACT SWITCH |
NL8401156A NL8401156A (en) | 1983-04-12 | 1984-04-11 | APPARATUS WITH COMPACT SWITCH INSTALLATION. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO831290A NO152528C (en) | 1983-04-12 | 1983-04-12 | DEVICE FOR COMPACT SWITCH. |
Publications (3)
Publication Number | Publication Date |
---|---|
NO831290L NO831290L (en) | 1984-10-15 |
NO152528B true NO152528B (en) | 1985-07-01 |
NO152528C NO152528C (en) | 1985-10-09 |
Family
ID=19887045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO831290A NO152528C (en) | 1983-04-12 | 1983-04-12 | DEVICE FOR COMPACT SWITCH. |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE3413219A1 (en) |
DK (1) | DK154377C (en) |
NL (1) | NL8401156A (en) |
NO (1) | NO152528C (en) |
SE (1) | SE455357B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI102329B1 (en) | 1997-02-06 | 1998-11-13 | Abb Transmit Oy | Switch to disconnect an electrical appliance from an electrical mains |
DE19836270B4 (en) * | 1998-08-11 | 2010-11-25 | Efen Gmbh | Protective device against the thermal overload of a switchgear |
US9583297B2 (en) | 2014-04-04 | 2017-02-28 | Eaton Corporation | Remote fuse operation indicator assemblies and related systems and methods |
EP3787000B1 (en) | 2019-08-29 | 2022-05-25 | Hitachi Energy Switzerland AG | Electrical assembly comprising blown fuse indication system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE955442C (en) * | 1953-01-31 | 1957-01-03 | Concordia Maschinen & Elek Zit | Combined fuse switch disconnector |
DE1191892B (en) * | 1962-06-15 | 1965-04-29 | Siemens Ag | Metal-enclosed high-voltage switchgear |
NL127690C (en) * | 1965-02-05 | |||
DE2920153A1 (en) * | 1979-05-18 | 1980-11-27 | Krone Gmbh | Medium voltage switching unit using insulating gas, or liq. - has fuse support housing with side outlets carrying caps forced off by gas pressure |
-
1983
- 1983-04-12 NO NO831290A patent/NO152528C/en unknown
-
1984
- 1984-04-07 DE DE19843413219 patent/DE3413219A1/en not_active Withdrawn
- 1984-04-09 SE SE8401972A patent/SE455357B/en not_active IP Right Cessation
- 1984-04-11 DK DK186084A patent/DK154377C/en active
- 1984-04-11 NL NL8401156A patent/NL8401156A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO152528C (en) | 1985-10-09 |
DK186084D0 (en) | 1984-04-11 |
NO831290L (en) | 1984-10-15 |
DE3413219A1 (en) | 1984-10-18 |
SE8401972D0 (en) | 1984-04-09 |
DK154377C (en) | 1989-04-10 |
DK186084A (en) | 1984-10-13 |
DK154377B (en) | 1988-11-07 |
SE455357B (en) | 1988-07-04 |
NL8401156A (en) | 1984-11-01 |
SE8401972L (en) | 1984-10-13 |
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