EP1163691B1 - Star-to-triangle switching element - Google Patents
Star-to-triangle switching element Download PDFInfo
- Publication number
- EP1163691B1 EP1163691B1 EP00923058A EP00923058A EP1163691B1 EP 1163691 B1 EP1163691 B1 EP 1163691B1 EP 00923058 A EP00923058 A EP 00923058A EP 00923058 A EP00923058 A EP 00923058A EP 1163691 B1 EP1163691 B1 EP 1163691B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- star
- switching element
- per
- triangle switching
- mobile
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/02—Non-polarised relays
- H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
- H01H51/12—Armature is movable between two limit positions of rest and is moved in both directions due to the energisation of one or the other of two electromagnets without the storage of energy to effect the return movement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/005—Inversing contactors
Definitions
- the invention refers to the star-to-triangle switching element according to the preamble of claim 1, as for example known from WO-A-9601486.
- the star-to-triangle switching element according to the invention allows for switch-on, start-up and operation of asynchronous electromotors and successfully replaces the existing versions of contactor combinations for control of asynchronous motors with the power exceeding 4kW.
- the invention is classified into class H 01 H and/or precisely into class H01 H 03/46 of the international patent classification.
- the technical problem successfully solved by the invention in question involves the design and the construction of such switching element that will allow for successful replacement of a combination of several contactor elements, in particular in those applications where one element may replace a combination of two or three contactors, such as required in the existing solutions and constituting an assembly where the power and the control sections between the contactors must be correctly wire-connected, unless the assembly may be damaged or even destroyed.
- the constructional concept of the switching element referred to in this invention provides for three independent positions, which is via the transmission elements transmitted into the contact section where the mobile support of flexible contacts with its movement closes the corresponding contacts, which first provides for electromotor power supply - star (Y) - with reverse connection to the star point, and upon the lapse of certain time, for power supply - triangle (D) - which corresponds to the rated voltage of the electromotor winding, double-step start-up Y - D.
- the contact system provides smooth operation and significantly simplifies the traditional contactor combinations through the use of three contactors and a time-switch relay.
- the switching time is adjustable and depends on the load driven by the electromotor, while the starter position is signalized.
- the star-to-triangle switching element such as referred to in this invention, will be explained in detail on the basis of the concrete example and the corresponding figures, showing the following:
- the driving element consists of two fixed armatures 1 and one mobile armature 2.
- the fixed armatures 1 bear, attached with special loops 3, the coils 4,5, each of them in the make state representing one make state of the switching element referred to in this invention.
- Suspended between them is the armature 2 in the form of letter E; it moves along lateral metal guides 6 that at the same time provide for adequate spacing of the fixed armatures 1.
- the mobile armature 2 in the break state of the coils 4, 5 is idle, which represents the third, off position of the element.
- the mobile armature 2 transmits the force over a steel support 7 and over a transmission lever 8 to the mobile support 9 of the flexible contacts 10, 11, 12 in the contact section of the switching element.
- the input fixed contacts L1, L2, L3 are located on one side of the switching element, and the output fixed contacts U1, V1, W1 and U2, V2, W2 on the other side, which corresponds to the marking of the electromotor connection plate.
- the contacts are covered by two insulation covers 31 with openings for connection wires.
- the mobile support 9 bearing the contacts 10, 11 12 moves to position a.
- the load current flows from the input fixed contacts L1, L2, L3 via the mobile contacts 11 to the output fixed contacts U1, V1, W1 and through the wires to the electromotor winding.
- the ends of the winding are connected to the fixed contacts U2, V2, W2, where the star-point 13 is closed via the mobile contacts 10.
- the electromotor winding is supplied with the voltage 230 V (Y) and the motor rotor achieves 2/3 rated rotations.
- the star-point 13 opens and the current flows via the flexible contacts 11, 12 and permanent contacts U1, V1, W1 and U2, V2, W2 into the electromotor winding.
- the electromotor winding is supplied with 400 V (D) voltage, which is the electromotor winding rated voltage, the rotor achieves rated rotations and accordingly provides permanent operation.
- the star-to-triangle switching element is controlled as every traditional contactor, either only with the switch 01 or via the ON/OFF key of the existing remote switch; it can be mounted on a standard carrier strip or fixed with screws.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Motor And Converter Starters (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of El Displays (AREA)
- Semiconductor Lasers (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI9900062A SI20293A (sl) | 1999-03-24 | 1999-03-24 | Preklopni element zvezda - trikot |
SI9900062 | 1999-03-24 | ||
PCT/SI2000/000005 WO2000057444A1 (en) | 1999-03-24 | 2000-03-21 | Star-to-triangle switching element |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1163691A1 EP1163691A1 (en) | 2001-12-19 |
EP1163691B1 true EP1163691B1 (en) | 2004-01-21 |
Family
ID=20432427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00923058A Expired - Lifetime EP1163691B1 (en) | 1999-03-24 | 2000-03-21 | Star-to-triangle switching element |
Country Status (18)
Country | Link |
---|---|
EP (1) | EP1163691B1 (hr) |
JP (1) | JP2002540560A (hr) |
CN (1) | CN1350694A (hr) |
AP (1) | AP1312A (hr) |
AT (1) | ATE258335T1 (hr) |
AU (1) | AU4323900A (hr) |
BG (1) | BG64574B1 (hr) |
CA (1) | CA2367170A1 (hr) |
DE (1) | DE60007846T2 (hr) |
EA (1) | EA200100986A1 (hr) |
HK (1) | HK1044221A1 (hr) |
HR (1) | HRP20010698A2 (hr) |
LT (1) | LT4962B (hr) |
LV (1) | LV12800B (hr) |
PL (1) | PL349973A1 (hr) |
SI (1) | SI20293A (hr) |
WO (1) | WO2000057444A1 (hr) |
YU (1) | YU67801A (hr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2983631B1 (fr) * | 2011-12-06 | 2014-09-26 | Schneider Electric Ind Sas | Dispositif electrique d'entrainement en translation d'une piece, appareil de commutation electrique comportant un tel dispositif et inverseur triphase comprenant un tel appareil |
DE102014105579A1 (de) | 2014-04-17 | 2015-10-22 | Eaton Electrical Ip Gmbh & Co. Kg | Schaltvorrichtung für eine Stern-Dreieck-Umschaltung bei einem mehrphasigen Motor |
CN105978406B (zh) * | 2016-05-27 | 2018-06-01 | 天津加美特电气设备有限公司 | 三相交流电机星角转换启动器 |
DE202017103748U1 (de) | 2017-06-23 | 2018-09-26 | Weidmüller Interface GmbH & Co. KG | Anschlussvorrichtung mit veränderlicher elektrischer Verbindung zwischen Leiteranschlüssen |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1113500B (de) * | 1959-04-25 | 1961-09-07 | Starkstrom Schaltgeraetefabrik | Elektrisches Schaltgeraet |
FR2130030A1 (fr) * | 1971-03-19 | 1972-11-03 | Piret Daniel | Double relais et inverseur integre en technologie electrique |
SI9400271A (en) * | 1994-07-04 | 1996-02-29 | Alojz Lovrencic | Electromagnetic relay |
-
1999
- 1999-03-24 SI SI9900062A patent/SI20293A/sl not_active IP Right Cessation
-
2000
- 2000-03-21 PL PL00349973A patent/PL349973A1/xx not_active IP Right Cessation
- 2000-03-21 CA CA002367170A patent/CA2367170A1/en not_active Abandoned
- 2000-03-21 JP JP2000607239A patent/JP2002540560A/ja not_active Withdrawn
- 2000-03-21 WO PCT/SI2000/000005 patent/WO2000057444A1/en active IP Right Grant
- 2000-03-21 CN CN00805418A patent/CN1350694A/zh active Pending
- 2000-03-21 AP APAP/P/2001/002292A patent/AP1312A/en active
- 2000-03-21 DE DE60007846T patent/DE60007846T2/de not_active Expired - Fee Related
- 2000-03-21 AT AT00923058T patent/ATE258335T1/de not_active IP Right Cessation
- 2000-03-21 EP EP00923058A patent/EP1163691B1/en not_active Expired - Lifetime
- 2000-03-21 EA EA200100986A patent/EA200100986A1/ru unknown
- 2000-03-21 AU AU43239/00A patent/AU4323900A/en not_active Abandoned
-
2001
- 2001-09-21 BG BG105935A patent/BG64574B1/bg unknown
- 2001-09-24 LV LVP-01-136A patent/LV12800B/lv unknown
- 2001-09-24 LT LT2001091A patent/LT4962B/lt not_active IP Right Cessation
- 2001-09-24 HR HR20010698A patent/HRP20010698A2/hr not_active Application Discontinuation
- 2001-09-24 YU YU67801A patent/YU67801A/sh unknown
-
2002
- 2002-06-19 HK HK02104547.8A patent/HK1044221A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
DE60007846T2 (de) | 2004-12-30 |
BG64574B1 (bg) | 2005-07-29 |
SI20293A (sl) | 2000-12-31 |
AU4323900A (en) | 2000-10-09 |
PL349973A1 (en) | 2002-10-21 |
LV12800B (lv) | 2002-06-20 |
WO2000057444A1 (en) | 2000-09-28 |
EA200100986A1 (ru) | 2002-02-28 |
AP1312A (en) | 2004-09-30 |
JP2002540560A (ja) | 2002-11-26 |
EP1163691A1 (en) | 2001-12-19 |
YU67801A (sh) | 2006-08-17 |
DE60007846D1 (en) | 2004-02-26 |
LT2001091A (en) | 2002-05-27 |
HRP20010698A2 (en) | 2003-06-30 |
CN1350694A (zh) | 2002-05-22 |
AP2001002292A0 (en) | 2001-12-31 |
CA2367170A1 (en) | 2000-09-28 |
HK1044221A1 (zh) | 2002-10-11 |
LV12800A (en) | 2002-02-20 |
LT4962B (lt) | 2002-10-25 |
ATE258335T1 (de) | 2004-02-15 |
BG105935A (en) | 2002-05-31 |
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