EP0634049A1 - Elektrischer hochspannungs-leistungsschalter. - Google Patents
Elektrischer hochspannungs-leistungsschalter.Info
- Publication number
- EP0634049A1 EP0634049A1 EP93903797A EP93903797A EP0634049A1 EP 0634049 A1 EP0634049 A1 EP 0634049A1 EP 93903797 A EP93903797 A EP 93903797A EP 93903797 A EP93903797 A EP 93903797A EP 0634049 A1 EP0634049 A1 EP 0634049A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- compression
- circuit breaker
- space
- voltage circuit
- 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
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
- H01H33/70—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
- 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
- H01H2033/906—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 with pressure limitation in the compression volume, e.g. by valves or bleeder openings
-
- 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
- H01H2033/908—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 using valves for regulating communication between, e.g. arc space, hot volume, compression volume, surrounding volume
-
- 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
- H01H33/901—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 making use of the energy of the arc or an auxiliary arc
Definitions
- the invention relates to an electrical high-voltage circuit breaker with a self-generated quenching gas flow and with a compression device for blowing arcs, in which a pressure chamber which can be heated by the arc energy and is directly adjacent to the isolating section and has a compression space associated with the compression device. possibly valve-controlled, is connected, and in which the compression chamber is connected to a low-pressure chamber via a pressure relief valve having a movable valve plate on the one hand and a refill valve having a movable valve plate on the other hand.
- the invention has for its object to simplify the assembly effort for the valve control in an electrical high-voltage circuit breaker of the type mentioned.
- this is achieved in that the two valve plates of the valves arranged between the compression space and the low-pressure space as two directly adjacent concentric washers of different diameters with partial overlap are formed and combined into a single valve device.
- the first of the ring disks with a smaller diameter is pressed on the side facing the low-pressure chamber under spring load against a stationary stop as a valve seat and lifts when a predetermined one is created in the compression chamber
- the other of the ring disks with a larger diameter lies against the first ring disk as a rattling valve with its inner opening edge and lies with its outer edge against a stationary stop as a valve seat, such that this other ring disk moves when the compression device moves in the switch-on direction releases the passage cross section between the compression space and the low pressure space for refilling the compression space.
- the spring loading of the first ring washer is advantageously adjustable.
- the two annular disks can surround a switch rod which penetrates the compression space and the low pressure space and moves the compression device.
- the high-voltage circuit breaker shown schematically in FIG. 1 has a fixed contact 1, which is in engagement with a movable contact 2. To separate the two contact pieces, contact piece 2 is moved in the direction of arrow 3. A pressure chamber 5 formed by a nozzle 4 for guiding the extinguishing gas flow is rigidly moved with the movable switching element and is delimited by a base 6 rigidly connected to the switching element 2. A movable part of the compression device and the cylinder 7 shown in FIG. 1 delimit a compression space 8 together with a piston crown 9, which is arranged in a stationary manner and delimits a low-pressure space 10 relative to the compression space 8.
- the stationary piston head 9 has through openings for a pressure relief valve on the one hand and a refill valve on the other hand.
- valve device 11 consists of two concentric annular disks 12, 13 lying directly against one another, which have different diameters and partially overlap one another in area A.
- the annular disk 12 forms the valve disk for the pressure relief valve arranged between the compression space 8 and the low pressure space 10.
- This first washer 12 has a smaller diameter than the other washer 13. It is on the side facing the low-pressure chamber 10 under the load of coil springs 14, which are distributed uniformly over the circumference. parts are arranged, pressed against a stationary stop 15 as a valve seat, and lifts off from the valve seat 15 when a predetermined excess pressure arises in the compression space 8.
- the other ring disk 13 has a larger diameter and is designed as a so-called rattling valve. It lies with its inner opening edge 16 sealingly against the first ring disk 12 and lies with its outer edge 17 against a fixed stop 18 as a valve seat.
- the springs 14 are pretensioned by screws 19, and the spring loading of the first ring disk 12 can be made adjustable by turning the screws 19.
- the two annular disks 12, 13 surround the shift rod 20 which passes through the compression chamber 8 and the low-pressure chamber 10 and moves the compression device 7.
Landscapes
- Circuit Breakers (AREA)
- Safety Valves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4211159A DE4211159A1 (de) | 1992-03-31 | 1992-03-31 | Elektrischer Hochspannungs-Leistungsschalter |
DE4211159 | 1992-03-31 | ||
PCT/DE1993/000129 WO1993020573A1 (de) | 1992-03-31 | 1993-02-09 | Elektrischer hochspannungs-leistungsschalter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0634049A1 true EP0634049A1 (de) | 1995-01-18 |
EP0634049B1 EP0634049B1 (de) | 1996-05-15 |
Family
ID=6455951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93903797A Expired - Lifetime EP0634049B1 (de) | 1992-03-31 | 1993-02-09 | Elektrischer hochspannungs-leistungsschalter |
Country Status (5)
Country | Link |
---|---|
US (1) | US5589673A (de) |
EP (1) | EP0634049B1 (de) |
CA (1) | CA2133330C (de) |
DE (2) | DE4211159A1 (de) |
WO (1) | WO1993020573A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19536673A1 (de) * | 1995-09-30 | 1997-04-03 | Asea Brown Boveri | Leistungsschalter |
DE19910166C2 (de) * | 1999-02-24 | 2001-01-25 | Siemens Ag | Hochspannungsleistungsschalter mit einer Kompressionseinrichtung |
ATE456857T1 (de) * | 2006-05-29 | 2010-02-15 | Abb Technology Ag | Blaskolbenschalter mit einem überdruckventil |
ATE523889T1 (de) * | 2006-11-27 | 2011-09-15 | Abb Technology Ag | Puffer leistungsschalter mit reduziertem puffervolumendruck |
US8091429B2 (en) * | 2009-08-14 | 2012-01-10 | The Johns Hopkins University | Apparatus and method for high frequency low pressure arc flash sensor |
EP2299464B1 (de) * | 2009-09-17 | 2016-08-31 | ABB Schweiz AG | Selbstblasschalter mit Füll- und Überdruckventil |
WO2012123032A1 (de) | 2011-03-17 | 2012-09-20 | Abb Technology Ag | Gasisolierter hochspannungs-leistungsschalter |
KR101657454B1 (ko) * | 2014-09-25 | 2016-09-21 | 현대중공업 주식회사 | 가스절연 차단기 |
EP3419039B1 (de) | 2017-06-20 | 2020-08-26 | General Electric Technology GmbH | Elektrischer hochspannungsschutzschalter |
DE102019212109A1 (de) * | 2019-08-13 | 2021-02-18 | Siemens Aktiengesellschaft | Elektrische Schalteinrichtung |
EP3979287A1 (de) * | 2020-09-30 | 2022-04-06 | Siemens Energy Global GmbH & Co. KG | Schutzschalter, ventilanordnung und betriebsverfahren dafür |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4426561A (en) * | 1982-01-19 | 1984-01-17 | Westinghouse Electric Corp. | Puffer-type compressed-gas circuit-interrupter |
DE3720816A1 (de) * | 1987-06-24 | 1989-01-05 | Licentia Gmbh | Schalter mit selbsterzeugter loeschgasstroemung |
FR2646013B1 (fr) * | 1989-04-17 | 1996-02-23 | Alsthom Gec | Disjoncteur a moyenne tension a gaz de soufflage |
DE4015179C2 (de) * | 1990-05-11 | 1994-03-10 | Licentia Gmbh | Druckgasschalter |
-
1992
- 1992-03-31 DE DE4211159A patent/DE4211159A1/de not_active Withdrawn
-
1993
- 1993-02-09 US US08/313,086 patent/US5589673A/en not_active Expired - Lifetime
- 1993-02-09 DE DE59302616T patent/DE59302616D1/de not_active Expired - Lifetime
- 1993-02-09 EP EP93903797A patent/EP0634049B1/de not_active Expired - Lifetime
- 1993-02-09 CA CA002133330A patent/CA2133330C/en not_active Expired - Lifetime
- 1993-02-09 WO PCT/DE1993/000129 patent/WO1993020573A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9320573A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2133330A1 (en) | 1993-10-01 |
US5589673A (en) | 1996-12-31 |
WO1993020573A1 (de) | 1993-10-14 |
DE59302616D1 (de) | 1996-06-20 |
EP0634049B1 (de) | 1996-05-15 |
DE4211159A1 (de) | 1993-10-07 |
CA2133330C (en) | 1999-04-27 |
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