EP0951727B1 - Reduktion der einschaltzeit bei elektronisch gesteuerten schützen - Google Patents
Reduktion der einschaltzeit bei elektronisch gesteuerten schützen Download PDFInfo
- Publication number
- EP0951727B1 EP0951727B1 EP98904012A EP98904012A EP0951727B1 EP 0951727 B1 EP0951727 B1 EP 0951727B1 EP 98904012 A EP98904012 A EP 98904012A EP 98904012 A EP98904012 A EP 98904012A EP 0951727 B1 EP0951727 B1 EP 0951727B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coil
- switching
- control device
- contact
- time
- 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.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
- H01H47/04—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current
Definitions
- the invention relates to switching devices, in particular relays and / or contactors with a magnet system, the armature and yoke, a coil and a regulating and / or control device of the Switchgear drive includes, in which an actual value detection drive-specific switching parameters are carried out by sensors.
- Switchgear with a magnet system e.g. B. Sagittarius
- a magnet system e.g. B. Sagittarius
- Switchgear with a magnet system are in the Drive and automation technology used and used in combination with other components for security and control electrical consumer.
- a control circuit is known from EP 0 376 493 A1, that with electromagnetic valves for the closing process the contactor allows a high current, which after the Closing process reduced to a relatively small holding current becomes.
- DE-OS 30 47 488 A1 describes in addition to a coil current control an induction control with one arranged in the yoke Hall probe. These control principles represent an increased Coil current ready for the closing process after the closing process is reduced to a value that is just still the force necessary to hold the drawn anchor generated.
- DE-OS 44 30 867 A1 describes the regulation of a Switchgear drive, which ensures that optimal contact speeds are maintained and limiting the armature core impact speed taking into account the entire service life which ensures disturbance variables such as erosion and tolerances.
- the invention has for its object a simple and to create a robust control algorithm for the switching device drive, the high speed of the contacts, one Minimize the bounce of these contacts and a low one Power consumption of the excitation circuit during the holding phase of the contactor.
- the object is achieved in that after a Switch command the regulating and / or control device only after reaching at least one predetermined threshold value, the switching parameters that change during the switching process, namely the contact speed and / or the contact path and / or the flow during a switching operation to an output variable for controlling the coil, e.g. the coil current (I) acts.
- the switching parameters that change during the switching process, namely the contact speed and / or the contact path and / or the flow during a switching operation to an output variable for controlling the coil, e.g. the coil current (I) acts.
- yoke 1 designed as a U-core 3 with a Forced air gap 2.
- a coil 5 shown in principle, which via a control device 6 is controlled.
- a flow sensor 7 is arranged, the current flow data on the control device 6 transmits.
- Curve C shows the course of the magnetic flux ⁇ with immediate intervention by the control device 6. Up to the point in time t 1 , the entire voltage U is also applied to the coil 5. As soon as the predetermined flux ⁇ 1 is reached, the coil current I is controlled in such a way that it Value ⁇ 1 of the flow is kept almost constant during the remaining closing process and the holding phase of the contactor.
- the control device 6 If the control device 6 is applied with a delay according to curve B, the full control voltage U is again present at the coil 5, that is to say there is first a maximum acceleration as in the case of an uncontrolled contactor drive. After a certain time t 2, based on the switch-on command of the contactor t 0, the control device 6 intervenes and reduces the coil current I and thus the flow ⁇ to ⁇ 1 by the value transmitted by the flow sensor 7 until time t 3 mitigates the bouncing process and is sufficient for the contactor's holding power.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Relay Circuits (AREA)
Description
- FIG 1
- einen U-Kern mit Zwangsluftspalt, Anker, Spule und deren Regeleinrichtung,
- FIG 2
- ein Diagramm, in dem während des Schließvorganges des Schützes der magnetische Fluß Φ über der Zeit bei verschiedenen Regelprinzipien aufgetragen ist,
- FIG 3
- ein Diagramm, in dem während des Schließvorganges des Schützes der zurückgelegte Kontaktweg s des Ankers über der Zeit t bei verschiedenen Regelprinzipien aufgetragen ist.
Claims (3)
- Schaltgeräte, insbesondere Relais und/oder Schütze mit einem Magnetsystem, das Anker (8) und Joch (1), eine Spule (5) und eine Regel- und/oder Steuereinrichtung (6) des Schaltgeräteantriebs umfaßt, bei der eine Istwerterfassung antriebsspezifischer Schaltparameter durch Sensoren (7) erfolgt, dadurch gekennzeichnet, daß nach einem Schaltbefehl die Regel- und/oder Steuereinrichtung (6) erst nach Erreichen mindestens eines vorgegebenen Schwellwertes, der sich während des Schaltvorganges veränderlichen Schaltparameter, nämlich der Kontaktgeschwindigkeit (v) und/oder des Kontaktweges (s) und/oder des Flusses (), während eines Schaltvorganges auf eine Ausgangsgröße zur Regelung der Spule (5), z.B. den Spulenstrom (I), einwirkt.
- Schaltgeräte nach Anspruch 1, dadurch gekennzeichnet, daß nach einem Einschaltbefehl die Regel- und/oder Steuereinrichtung erst nach Erreichen mindestens eines vorgegebenen Schwellwertes der Schaltparameter, z.B. der Kontaktgeschwindigkeit (v), auf eine Ausgangsgröße, z.B. den Spulenstrom (I), einwirkt.
- Schaltgeräte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß Schwellwerte der Zeit (t) und/oder des Kontaktweges (s) und/oder der Kontaktgeschwindigkeit (v) und/oder des Spulenstromes (I) und/oder des Flusses (Φ) einstellbar sind.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19700522 | 1997-01-09 | ||
DE19700522 | 1997-01-09 | ||
PCT/DE1998/000035 WO1998031034A1 (de) | 1997-01-09 | 1998-01-07 | Reduktion der einschaltzeit bei elektronisch gesteuerten schützen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0951727A1 EP0951727A1 (de) | 1999-10-27 |
EP0951727B1 true EP0951727B1 (de) | 2002-10-02 |
Family
ID=7817041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98904012A Expired - Lifetime EP0951727B1 (de) | 1997-01-09 | 1998-01-07 | Reduktion der einschaltzeit bei elektronisch gesteuerten schützen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6781810B1 (de) |
EP (1) | EP0951727B1 (de) |
CN (1) | CN1083610C (de) |
DE (1) | DE59805791D1 (de) |
WO (1) | WO1998031034A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10104890A1 (de) * | 2001-02-01 | 2002-08-08 | Siemens Ag | Schiffs-Mittelspannungsschaltanlage |
DE10140559A1 (de) | 2001-08-17 | 2003-02-27 | Moeller Gmbh | Elektromagnetanordnung für einen Schalter |
DE102010041214A1 (de) * | 2010-09-22 | 2012-03-22 | Siemens Aktiengesellschaft | Schaltgerät sowie Verfahren zur Steuerung eines Schaltgeräts |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2019345C3 (de) * | 1970-04-22 | 1982-12-09 | Voith Getriebe Kg, 7920 Heidenheim | Anordnung zum Beeinflussen des Erregerstromes eines als Antrieb für Mangetventile verwendeten Gleichstrom-Elektromagneten |
DE3047488A1 (de) | 1980-12-17 | 1982-07-22 | Brown, Boveri & Cie Ag, 6800 Mannheim | Elektronische schaltungsanordnung fuer ein elektromagnetisches schaltgeraet |
US4429342A (en) * | 1981-04-24 | 1984-01-31 | Siemens Aktiengesellschaft | Impact printing device with an improved print hammer |
JPH0746651B2 (ja) | 1984-12-18 | 1995-05-17 | 株式会社ゼクセル | ソレノイド駆動装置 |
JPH0832442B2 (ja) * | 1988-05-02 | 1996-03-29 | 桜精機株式会社 | シリンダ型スクリーン印刷機のグリッパ開閉装置 |
GB8829902D0 (en) | 1988-12-22 | 1989-02-15 | Lucas Ind Plc | Control circuit |
DE4430867A1 (de) | 1994-08-31 | 1996-03-07 | Licentia Gmbh | Schaltungsanordnung zur Regelung des elektromagnetischen Antriebes eines Schaltgerätes |
GB9420617D0 (en) | 1994-10-13 | 1994-11-30 | Lucas Ind Plc | Drive circuit |
US5784244A (en) * | 1996-09-13 | 1998-07-21 | Cooper Industries, Inc. | Current limiting circuit |
-
1998
- 1998-01-07 EP EP98904012A patent/EP0951727B1/de not_active Expired - Lifetime
- 1998-01-07 WO PCT/DE1998/000035 patent/WO1998031034A1/de active IP Right Grant
- 1998-01-07 US US09/341,368 patent/US6781810B1/en not_active Expired - Fee Related
- 1998-01-07 DE DE59805791T patent/DE59805791D1/de not_active Expired - Fee Related
- 1998-01-07 CN CN988014661A patent/CN1083610C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1241288A (zh) | 2000-01-12 |
EP0951727A1 (de) | 1999-10-27 |
US6781810B1 (en) | 2004-08-24 |
DE59805791D1 (de) | 2002-11-07 |
WO1998031034A1 (de) | 1998-07-16 |
CN1083610C (zh) | 2002-04-24 |
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