EP1198808A1 - Verfahren zur elektronischen antriebssteuerung - Google Patents
Verfahren zur elektronischen antriebssteuerungInfo
- Publication number
- EP1198808A1 EP1198808A1 EP00951390A EP00951390A EP1198808A1 EP 1198808 A1 EP1198808 A1 EP 1198808A1 EP 00951390 A EP00951390 A EP 00951390A EP 00951390 A EP00951390 A EP 00951390A EP 1198808 A1 EP1198808 A1 EP 1198808A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- time
- value
- delay time
- supply voltage
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
- H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle
- H01H9/563—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle for multipolar switches, e.g. different timing for different phases, selecting phase with first zero-crossing
Definitions
- the invention relates to a method for electronic drive control according to the preamble of claim 1.
- An electronic drive control for a magnetic drive is known from EP 0 789 378 A1.
- control voltage of a contactor is derived from one of the three phases, it can lead to synchronization effects between the closing or opening angle of the main contacts in the load circuit and the AC control voltage.
- the object of the invention is to provide a method according to the preamble of claim 1, in which the life of a contactor is increased.
- the invention prevents uneven erosion of the switching contacts and thus increases the contactor's service life.
- Fig. 4 is a first flow chart
- 5 shows a further flow chart. 1 shows a time diagram in which the rectified supply voltage is shown in a lower curve, the supply voltage being an AC voltage.
- the voltage of the electronics After switching on the supply voltage at time t 0 , which is in the zero voltage crossing, the voltage of the electronics only builds up after 3 to 5 ms. After this voltage build-up, a reset signal for a microcontroller is issued. The program is started. After this point in time t, the state in which the contactor is operated is recognized. It is checked what type of control it is. The determination relates to conventional operation, PLC operation or low-power operation. This detection of the input takes about 5 ms, the end of the detection being identified by t 2 . If a level is present, then conventional operation is recognized.
- Period of the control voltage is.
- the supply voltage is measured only after this delay time, the point in time being identified by t 3 , the supply voltage being both a
- Supply voltage is (AC or DC). At the same time, the level of the applied voltage is determined.
- Delay time t x at any point on the sine curve Supply voltage can be.
- the time of the tightening process varies depending on the type of protection.
- the tightening takes place after 50 to 100 ms.
- the switching point t 5 of the contacts is also randomly distributed for the other phases, which causes the switching contacts to be evenly stressed.
- the dashed lines show different switch-on points, different ones
- Microcontroller must first be set up, the reset signal is almost independent of the switch-on time always on the same point on the curve, so that the switch-on times are practically synchronized to the same reset time.
- control voltage e.g. switched on at zero voltage
- the supply voltage for the electronics does not build up immediately.
- the method explained avoids undesirable synchronization effects between the closing angle or opening angle of the main contacts in the load circuit.
- a random generator is required to implement a timer with a variable, randomly set time.
- the value supplied by the random number generator is then processed in such a way that the subsequent processing of the value results in a time from zero to a maximum of half the period of the control voltage.
- FIG. 3 shows a schematic diagram. In the first possibility, a value is read out in a RAM memory location in the microcontroller, the content of this cell being undefined after the voltage has been switched on.
- FIG. 4 shows the associated flowchart for implementation with a RAM.
- a value is obtained from a memory cell 1 of an EEPROM, which is manipulated accordingly.
- the old value is used to determine the new value.
- the old value is then replaced by the new value in
- the manipulated value is then written into register 2.
- the timer is then started. When the timer reaches zero, an arises
- Timer underflow which is passed on to the CPU, and the program continues.
- This additional time loop means that the closing and opening angles of the main contacts are not synchronized with the control voltage.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Relay Circuits (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Electrical Variables (AREA)
- Keying Circuit Devices (AREA)
- Electronic Switches (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Valve Device For Special Equipments (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Control Of Eletrric Generators (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19935044 | 1999-07-26 | ||
DE19935044A DE19935044A1 (de) | 1999-07-26 | 1999-07-26 | Verfahren zur elektronischen Antriebssteuerung |
PCT/EP2000/006774 WO2001008181A1 (de) | 1999-07-26 | 2000-07-15 | Verfahren zur elektronischen antriebssteuerung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1198808A1 true EP1198808A1 (de) | 2002-04-24 |
EP1198808B1 EP1198808B1 (de) | 2003-10-01 |
Family
ID=7916099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00951390A Expired - Lifetime EP1198808B1 (de) | 1999-07-26 | 2000-07-15 | Verfahren zur elektronischen antriebssteuerung |
Country Status (8)
Country | Link |
---|---|
US (1) | US6671157B1 (de) |
EP (1) | EP1198808B1 (de) |
JP (1) | JP2003505840A (de) |
AT (1) | ATE251332T1 (de) |
AU (1) | AU6434700A (de) |
DE (2) | DE19935044A1 (de) |
ES (1) | ES2208389T3 (de) |
WO (1) | WO2001008181A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005043895B4 (de) * | 2005-09-14 | 2007-07-26 | Siemens Ag | Verfahren zum Betreiben eines elektromechanisch betätigten Schaltgerätes und nach diesem Verfahren betriebenes Schaltgerät |
DE102006014914B3 (de) * | 2006-03-30 | 2007-10-04 | Siemens Ag | Verfahren zum Betreiben eines elektromechanisch betätigten Schaltgerätes und nach diesem Verfahren betriebenes Schaltgerät |
BR112014029173A2 (pt) | 2012-05-30 | 2017-06-27 | Abb Research Ltd | método e dispositivo para comutar um contator |
EP3422382B1 (de) * | 2017-06-28 | 2020-03-25 | ABB Schweiz AG | Verfahren und steuerungsvorrichtung zum schalten eines schützes |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3110314A1 (de) * | 1980-07-31 | 1982-04-01 | LGZ Landis & Gyr Zug AG, 6301 Zug | System und einrichtung zur betaetigung eines elektromagneten |
JPS632219A (ja) | 1986-06-20 | 1988-01-07 | 株式会社東芝 | リレ−駆動回路 |
EP0571122B1 (de) | 1992-05-20 | 1998-08-12 | Texas Instruments Incorporated | Verfahren und Einrichtung zur Verlängerung der Lebensdauer eines Relais |
US5377068A (en) * | 1992-10-19 | 1994-12-27 | Predator Systems Inc. | Electromagnet with holding control |
US5442511A (en) * | 1993-03-30 | 1995-08-15 | Caterpillar Inc. | Generic solenoid driver circuit board, circuit and method of making same |
US5914849A (en) * | 1994-04-26 | 1999-06-22 | Kilovac Corporation | DC actuator control circuit with voltage compensation, current control and fast dropout period |
US5838077A (en) | 1995-07-12 | 1998-11-17 | Pittway Corporation | Control system for switching loads on zero crossing |
SE505747C2 (sv) * | 1996-02-07 | 1997-10-06 | Asea Brown Boveri | Kontaktorutrustning |
US6249418B1 (en) * | 1999-01-27 | 2001-06-19 | Gary Bergstrom | System for control of an electromagnetic actuator |
-
1999
- 1999-07-26 DE DE19935044A patent/DE19935044A1/de not_active Withdrawn
-
2000
- 2000-07-15 EP EP00951390A patent/EP1198808B1/de not_active Expired - Lifetime
- 2000-07-15 US US10/048,047 patent/US6671157B1/en not_active Expired - Lifetime
- 2000-07-15 AT AT00951390T patent/ATE251332T1/de active
- 2000-07-15 ES ES00951390T patent/ES2208389T3/es not_active Expired - Lifetime
- 2000-07-15 JP JP2001512602A patent/JP2003505840A/ja active Pending
- 2000-07-15 DE DE50003920T patent/DE50003920D1/de not_active Expired - Lifetime
- 2000-07-15 WO PCT/EP2000/006774 patent/WO2001008181A1/de active IP Right Grant
- 2000-07-15 AU AU64347/00A patent/AU6434700A/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO0108181A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU6434700A (en) | 2001-02-13 |
WO2001008181A1 (de) | 2001-02-01 |
EP1198808B1 (de) | 2003-10-01 |
ES2208389T3 (es) | 2004-06-16 |
DE19935044A1 (de) | 2001-02-01 |
ATE251332T1 (de) | 2003-10-15 |
DE50003920D1 (de) | 2003-11-06 |
US6671157B1 (en) | 2003-12-30 |
JP2003505840A (ja) | 2003-02-12 |
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