EP1075006B1 - Antriebsanordnung für einen Schalter der Mittel- bzw. Hochspannung und Verfahren zum Bewegen eines ersten Kontaktstueckes - Google Patents
Antriebsanordnung für einen Schalter der Mittel- bzw. Hochspannung und Verfahren zum Bewegen eines ersten Kontaktstueckes Download PDFInfo
- Publication number
- EP1075006B1 EP1075006B1 EP00250264A EP00250264A EP1075006B1 EP 1075006 B1 EP1075006 B1 EP 1075006B1 EP 00250264 A EP00250264 A EP 00250264A EP 00250264 A EP00250264 A EP 00250264A EP 1075006 B1 EP1075006 B1 EP 1075006B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- switch
- path
- drive arrangement
- voltage
- 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.)
- Revoked
Links
- 238000000034 method Methods 0.000 title claims description 13
- 238000012545 processing Methods 0.000 claims description 30
- 238000011156 evaluation Methods 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000010891 electric arc Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/222—Power arrangements internal to the switch for operating the driving mechanism using electrodynamic repulsion
-
- 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
-
- 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
- H01H33/44—Devices for ensuring operation of the switch at a predetermined point in the AC cycle
Definitions
- the invention relates to a drive arrangement for a Switch the medium or high voltage with a first one Contact piece, which by means of a drive with variable Path-time characteristic is movable.
- Such a drive arrangement for a switch of the middle or high voltage technology is for example from the DE 41 41 564 A1 known.
- By means of such a drive arrangement is the speed of movement of a contact piece influenced.
- the present invention has for its object a To design the drive arrangement of the type mentioned in the introduction that the operation of the drive assembly to the respective switching task is customizable.
- the object is achieved in that the Power supplied by a processing device depending on the current of the switch Current and / or the voltage applied to the switch can be influenced is.
- the problem with the known drive arrangements is that that the characteristic of the switch-off behavior only through switch-specific parameters, such as the Power requirements determined depending on distance and / or time is. Regardless of whether the interruption of a short-circuit current or a nominal current, the switch works according to a predefined, non-variable characteristic.
- the acceleration generated by the drive is determined by the size and the time distribution of the drive supplied energy. By influencing the supplied It is therefore possible to use the movable contact piece with energy a selectable path-time characteristic.
- the one Power supplied by a processing device affected. The influencing can take place in such a way that caused a positive or negative acceleration becomes. This influence depends on the amperage of the current to be switched and / or the am Switch applied voltage. At least one of those two Sizes form the basis for the functions of the processing device.
- the processing device is a control device.
- the execution with a control device represents a technical simple and inexpensive variant. Additional Sensors or actuators are not required. It is imaginable, that the determination of the path-time characteristic by different Technologies. For example it is through the formation of classes, which are characterized by typical boundary conditions the respective switching task are marked, possible the number of different path-time characteristics to restrict. Taking the boundary conditions into account the respective specific switching case is assigned to one of the classes.
- the individual classes can with their characteristic Values are stored in a memory. From this store are the corresponding path-time characteristics for example readable by means of a microprocessor. imaginable is that additional or only individual information which are only saved in combination result in a complete path-time characteristic. Such Information is, for example, the target arc duration.
- the drive of such a drive arrangement can, for example be designed as an electrodynamic drive. Electrical Energy can be easily supplied and influenced.
- the drive creates a magnetic field inside, which on a movable, electromagnetically active drive piece acts. This drive acts on the switch contacts.
- Such a drive arrangement can with a sufficient Accuracy.
- Another way of determining a switching characteristic consists of the for each individual switching operation to determine the corresponding path-time characteristic. From the concrete framework conditions of the switching process, the optimal individual path-time characteristics calculated, after which controls the drive arrangement. So that's it possible in the classification of switching operations existing deviations from an optimum avoid. As such, this method is particularly useful for switches suitable with frequent and different circuits.
- the processing device is a control device that means for detecting the distance traveled by the first contact piece is present and the detected value of Control device can be fed.
- the processing device As a control device it is possible to get feedback from the controlled system to process. For this it is necessary that the covered Path of the first contact piece is measurable. The measurand is fed to the control device. This makes it possible to Capture real position of the contact piece and transmission deviations the kinematic chain or to realize the desired path-time course.
- This evaluation device can be part of the processing device or be carried out separately.
- This evaluation device can in turn be part of the processing unit or be carried out separately.
- An evaluation the temporal course of current and voltage is suitable are particularly useful for evaluating effective sizes, Phase positions or the temporal change of sizes. Values that follow a time course can easily be detected and for the control or regulation of the drive device be used.
- the invention further includes a method of moving a first contact piece of a switch of the middle or High voltage, which by means of a drive with a variable Path-time characteristic is movable.
- the method provides that measured values of the to be switched Current and / or the voltage applied to the switch be that taking into account a path-time characteristic the measured values is determined and that the first contact piece is moved according to this path-time characteristic.
- the measurement of the current to be switched and / or at the switch applied voltage forms a technically sensible Basis for determining the associated travel-time characteristics.
- the switching characteristics can be based on each dominant switching case can be optimized. After this changeable Path-time characteristic then becomes the first contact piece emotional.
- the arc burn time is for the function of the switch an essential size.
- the arc burn time is used to heat a certain amount of gas through the arc and store them temporarily in a heating volume. Is the The heating power of the arc is too low, so one can rapid movement of the drive does not provide sufficient heating being constructed. If the heating gas output is too high, it can to overfill the heating volume. With reaching a specific arc time depending on Current and voltage is avoided and a sensible one Amount of heating gas temporarily stored.
- the shows Figure the schematic representation of the drive arrangement.
- the switch has a first movable by means of a drive 1 drivable contact piece 5 and a second movable or fixed contact piece 6.
- the two contact pieces 5, 6 are part of an interrupter unit of a switch the medium or high voltage.
- the first contact piece 5 is driven by a drive 1.
- This drive 1 can for example designed as an electrodynamic drive his. It is also conceivable that both contact pieces can be driven are.
- the drive 1 is operated with electrical energy.
- the processing device 2 becomes the supplied energy 9 affected.
- the necessary information about the physical Sizes current and voltage are, for example, from Transmit transducers 4 to the processing device 2.
- Farther special evaluation devices 7, 8 are provided, which integrated into the processing device or can also be arranged separately. For evaluating the measured variables Current and voltage are the corresponding evaluation facilities 7, 8 with the processing device 2 connected.
- a displacement sensor 3 is arranged. This sensor is constantly measuring the path covered by the first contact piece 5. To one Training the control loop, the information of the Transfer sensor 3 to the processing unit 2. This regulated drive arrangement is used for the regulation of the
- Switch-off process used But it can also be used for regulation of the switch-on process can be used.
- the circuit breaker is initially switched on.
- the two contact pieces 5, 6 are electrically conductive connected with each other.
- a switch-off command is issued from the outside to the switch.
- the measured values of the through the breaker unit flowing current and the current at the switch Voltage is transferred from the converters 4 to the processing device 2 transferred.
- the processing device 2 conducts this information to the evaluation devices 7, 8 for Current and voltage continue.
- the evaluation devices 7, 8 evaluate these measured values and provide the evaluation results the processing device 2 is available.
- the processing device determines from this information 2 the present switch-off case.
- the present switch-off case becomes a switch-off characteristic determined by way and time.
- Essential part A path-time characteristic is the time interval Arcing time. This arc burn time can be in one Be stored. It is an important part the entire path-time characteristic.
- the drive 1 currently supplied energy 10 regulated. Since the from Drive 1 generated acceleration of the contact piece by the energy 10 supplied to the drive 1 is determined the first movable contact piece 5 according to the predetermined Path-time characteristic driven.
- one or more changes occur the shape of the energy 10 supplied to the drive 1 (e.g. electrical energy into magnetic energy into mechanical Energy, etc.). With these changes in the form of energy it can deviations occur. These deviations can be so big be that there are disturbances in the switching behavior of the interrupter unit comes. In particular, the elasticity of the Shift linkage 11 and manufacturing tolerances the problem additionally reinforce.
- the processing unit 2 is thus able to make a comparison of that fed to the drive Energy 10 and the real effect on the first contact 5 to perform.
- the control can also be used for switch-on processes become.
- a network synchronous Switching thought Again, the converters 4 set the sizes for current and voltage of the processing device 2 for Available.
- the processing device 2 passes these values to the evaluation device 7, 8 for voltage and current further.
- the results of the evaluation devices 7, 8 are again transmitted to the processing device 2.
- the processing device then influences the drive supplied energy 10 so that from an optimized switch-on can be assumed.
- the displacement sensor 3 While switching on, the displacement sensor 3 monitors the movement of the first contact piece 5. The information on the distance traveled by the contact piece 5 are to the processing device 2 forwarded. Should the measured Can deviate from the optimal path / time characteristic, so the processing device 2 in turn corresponding to the Influence drive supplied energy 10.
- the contacting of the contact pieces 5, 6 can thus be optimal For example, in the zero voltage crossing.
Landscapes
- Keying Circuit Devices (AREA)
Description
Figur die schematische Darstellung der Antriebsanordnung.
Claims (7)
- Antriebsanordnung für einen Schalter der Mittel- bzw. Hochspannung mit einem ersten Kontaktstück (5) welches mittels eines Antriebes (1) mit einer veränderlicher Weg-Zeit Charakteristik bewegbar ist
dadurch gekennzeichnet, daß
die dem Antrieb zugeführte Energie (10) durch eine Verarbeitungseinrichtung (2) in Abhängigkeit von der Stromstärke des zu schaltenden Stromes und/ oder der am Schalter anliegenden Spannung beeinflußbar ist. - Antriebsanordnung nach Anspruch 1,
dadurch gekennzeichnet, daß
die Verarbeitungseinrichtung (2) eine Steuereinrichtung ist. - Antriebsanordnung nach Anspruch 1 oder einem der folgenden,
dadurch gekennzeichnet, daß
die Verarbeitungseinrichtung (2) eine Regeleinrichtung ist, daß eine Einrichtung zum Erfassen des zurückgelegten Weges des ersten Kontaktstückes (5) vorhanden ist und der erfaßte Wert der Regeleinrichtung zuführbar ist. - Antriebsanordnung nach Anspruch 1 oder einem der folgenden,
dadurch gekennzeichnet, daß
eine Auswertungseinrichtung (7) für Strom und Spannung hinsichtlich eines Momentanwertes vorgesehen ist. - Antriebsanordnung nach Anspruch oder einem der folgenden,
dadurch gekennzeichnet, daß
eine Auswertungseinrichtung (8) für Strom und Spannung hinsichtlich eines zeitlichen Verlaufes vorgesehen ist. - Verfahren zum Bewegen eines ersten Kontaktstückes eines Schalters der Mittel- bzw. Hochspannung, welches mittels eines Antriebes (1) mit einer veränderlichen Weg-Zeit-Charakteristik bewegbar ist
dadurch gekennzeichnet, daß
Meßwerte des zu schaltenden Stromes und/ oder der am Schalter anliegenden Spannung gemessen werden, daß eine Weg-Zeit-Charakteristik unter Berücksichtigung der Meßwerte bestimmt wird und daß das erste Kontaktstück (5) nach dieser Weg-Zeit-Charakteristik bewegt wird. - Verfahren nach Anspruch 6
dadurch gekennzeichnet, daß
die Weg-Zeit-Charakteristik in Abhängigkeit der Meßwerte derart bestimmt wird, daß eine bestimmte Lichtbogenbrenndauer erreicht wird.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19937074A DE19937074C1 (de) | 1999-08-04 | 1999-08-04 | Antriebsanordnung für einen Schalter der Mittel- bzw. Hochspannung und Verfahren zum Bewegen eines ersten Kontaktstückes |
| DE19937074 | 1999-08-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1075006A1 EP1075006A1 (de) | 2001-02-07 |
| EP1075006B1 true EP1075006B1 (de) | 2002-02-20 |
Family
ID=7917392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00250264A Revoked EP1075006B1 (de) | 1999-08-04 | 2000-08-04 | Antriebsanordnung für einen Schalter der Mittel- bzw. Hochspannung und Verfahren zum Bewegen eines ersten Kontaktstueckes |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1075006B1 (de) |
| DE (2) | DE19937074C1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004002173A1 (de) * | 2004-01-15 | 2005-08-04 | Abb Technology Ag | Verfahren zur Untersuchung eines Leistungsschalters |
| DE102004062270B4 (de) * | 2004-12-23 | 2012-08-30 | Siemens Ag | Verfahren und Vorrichtung zum sicheren Betrieb eines Schaltgerätes sowie Schaltgerät |
| DE102004062267A1 (de) * | 2004-12-23 | 2006-07-13 | Siemens Ag | Verfahren und Vorrichtung zum sicheren Betrieb eines Schaltgerätes |
| EP3754682B1 (de) | 2019-06-19 | 2023-08-02 | ABB Schweiz AG | Verbesserte mittelspannungsschaltanlage |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3905822A1 (de) * | 1989-02-22 | 1990-08-23 | Siemens Ag | Verfahren zum betrieb eines leistungsschalters |
| DE4141564C2 (de) * | 1991-12-17 | 1998-10-15 | Abb Patent Gmbh | Antrieb für Schaltgeräte |
| DE4326640C2 (de) * | 1993-08-09 | 2000-07-06 | Alstom Energietechnik Gmbh | Meßeinrichtung für den Weg eines beweglichen Teils an einem elektrischen Schaltgerät und Verfahren zum Betrieb eines Schaltgeräts mit einer Meßeinrichtung |
-
1999
- 1999-08-04 DE DE19937074A patent/DE19937074C1/de not_active Expired - Fee Related
-
2000
- 2000-08-04 DE DE50000115T patent/DE50000115D1/de not_active Expired - Fee Related
- 2000-08-04 EP EP00250264A patent/EP1075006B1/de not_active Revoked
Also Published As
| Publication number | Publication date |
|---|---|
| DE19937074C1 (de) | 2001-06-13 |
| DE50000115D1 (de) | 2002-03-28 |
| EP1075006A1 (de) | 2001-02-07 |
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