WO1994001918A1 - Kurzschlussläufer einer elektrischen maschine - Google Patents
Kurzschlussläufer einer elektrischen maschine Download PDFInfo
- Publication number
- WO1994001918A1 WO1994001918A1 PCT/EP1993/001429 EP9301429W WO9401918A1 WO 1994001918 A1 WO1994001918 A1 WO 1994001918A1 EP 9301429 W EP9301429 W EP 9301429W WO 9401918 A1 WO9401918 A1 WO 9401918A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- short
- circuit
- rod
- bars
- rotor according
- Prior art date
Links
- 241000555745 Sciuridae Species 0.000 title 1
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
- H02K17/165—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors characterised by the squirrel-cage or other short-circuited windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
- H02K17/20—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors having deep-bar rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Definitions
- the invention relates to a short-circuit rotor of an electrical machine having a cage of axially penetrating the laminated core made of electrically conductive short-circuiting rods, which at the ends projecting beyond the laminated core
- the runner lead to problems.
- electrical sheet is layered on the rotor shaft to suppress eddy currents, with grooves incorporated in the outer diameter of the sheet metal receiving the copper rods.
- the short-circuit bars protrude from the metal sheet and are connected to short-circuit rings at the ends by welded or soldered connections.
- the short-circuit bars in the sheet metal grooves and the short-circuit rings attached at the end form the cage.
- the short-circuit bars generally have a greater extent in the radial direction than in the width.
- the rods protruding over the laminated core have a lower bending stiffness in the tangential direction of the rotor than in the radial direction.
- the short-circuit ring which is integrally connected to the bars can vibrate in the tangential direction compared to the laminated core due to the wisdom of the short-circuit bars. If only the rotor is considered alone, it can be viewed as a torsional vibration system consisting of three masses.
- the laminated core forms the central large mass, to which the short-circuit rings are connected as additional rotating masses on both sides via torsional stiffnesses which are formed from the short-circuit bars.
- Torque on the rotor and can in turn excite it to torsional vibrations as an oscillatory system.
- the short-circuit rings swing torsionally against the laminated core. Under unfavorable conditions there are resonances which cause inadmissibly high mechanical stresses and possibly engine damage on the bars loaded on bending.
- connection between the laminated core and the short-circuit rings can of course be made more torsionally rigid.
- the protrusion of the bars above the laminated core can be shortened, for example, so that the bending length of the bars is shorter. The possibility of using this is limited, however, since a certain rod protrusion is necessary for reasons of mechanical stress on the rods at high rotor speeds in the centrifugal force field.
- the object of the invention is to make the construction of squirrel-cage rotors less sensitive to such secondary effects of frequency converters in a simple manner.
- a short-circuit rotor laminated from sheet metal is indicated by 1, from which short-circuit bars 2 embedded in grooves (not shown in more detail) protrude.
- the outer short-circuit bars 2a and 2c being bent at an angle tangentially to one another and leading to a middle, straight short-circuit bar 2b.
- the short-circuit bars combined in this way are connected to the short-circuit ring 4 in the rod assembly.
- Fig. 1 shows only the rod associations of one runner end. The other rotor end is of the same design, but can include different short-circuit bars according to FIGS. 2 and 3.
- Fig. 1 shows only the rod associations of one runner end.
- the other rotor end is of the same design, but can include different short-circuit bars according to FIGS. 2 and 3.
- the same three shorting bars are connected to each other at both ends of the rotor connected, there is a self-contained course.
- Fig. 3 further short-circuit bars are progressively included, resulting in a progressive meandering course.
- bar groups or groups are formed which have a stabilizing function similar to a truss.
- the protruding rod is not only subjected to bending when the short-circuit ring is twisted, as with a straight rod, but also with normal forces, which increases the rigidity in the circumferential direction significantly.
- FIGS. 4 and 5 show arrangements for the formation of double rod assemblies with an even number of runners 1. According to FIG. 4, by mutually bending the short-circuit rods in different directions, a symmetry of the cage is achieved with a meandering progression. 5, two short-circuit bars are connected in a closed manner.
- FIG. 6 and 7 show arrangements for the formation of 4-member associations, in each of which four short-circuit bars 2 are accommodated in a usable number of the runner by four.
- the four short-circuit bars 2 are angled at their ends and converge there.
- the short-circuit bars are self-contained at their two ends and form the rod assemblies.
- two short-circuit bars 2f, 2g which are combined at one, here upper end with two adjacent short-circuit bars 2d, 2e, at the other - here lower - end with two adjacent short-circuit bars 2h, 2i form a rod assembly. This continues, alternately, analogously. This version is particularly low in vibrations.
- the invention can be achieved by simple design training an improvement in the operation of three-phase squirrel-cage machines on frequency converters.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Induction Machinery (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Windings For Motors And Generators (AREA)
- Protection Of Generators And Motors (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6502858A JPH08503838A (ja) | 1992-07-02 | 1993-06-05 | 電気機械の短絡回転子 |
EP93912901A EP0648383B1 (de) | 1992-07-02 | 1993-06-05 | Kurzschlussläufer einer elektrischen maschine |
SK201-94A SK283017B6 (sk) | 1992-07-02 | 1993-06-05 | Rotor nakrátko elektrického stroja |
CZ94341A CZ283907B6 (cs) | 1992-07-02 | 1993-06-05 | Rotor nakrátko elektrického stroje |
US08/295,822 US5530310A (en) | 1992-07-02 | 1993-06-05 | Squirrel-cage rotor of an electric machine |
DE59301360T DE59301360D1 (de) | 1992-07-02 | 1993-06-05 | Kurzschlussläufer einer elektrischen maschine |
KR1019940704488A KR100234227B1 (ko) | 1992-07-02 | 1993-06-05 | 전기기기의 농형회전자 |
GR960400387T GR3018986T3 (en) | 1992-07-02 | 1996-02-14 | Squirrel cage rotor for an electrical motor. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4221953.1 | 1992-07-02 | ||
DE4221953A DE4221953C1 (de) | 1992-07-02 | 1992-07-02 | Kurzschlußläufer einer elektrischen Maschine |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994001918A1 true WO1994001918A1 (de) | 1994-01-20 |
Family
ID=6462453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1993/001429 WO1994001918A1 (de) | 1992-07-02 | 1993-06-05 | Kurzschlussläufer einer elektrischen maschine |
Country Status (13)
Country | Link |
---|---|
US (1) | US5530310A (de) |
EP (1) | EP0648383B1 (de) |
JP (1) | JPH08503838A (de) |
KR (1) | KR100234227B1 (de) |
AT (1) | ATE132669T1 (de) |
CA (1) | CA2118035C (de) |
CZ (1) | CZ283907B6 (de) |
DE (2) | DE4221953C1 (de) |
DK (1) | DK0648383T3 (de) |
ES (1) | ES2082647T3 (de) |
GR (1) | GR3018986T3 (de) |
SK (1) | SK283017B6 (de) |
WO (1) | WO1994001918A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6628101B2 (en) | 2001-04-20 | 2003-09-30 | General Electric Company | Electronic shorting of wound rotor windings |
DE10260282A1 (de) * | 2002-12-20 | 2004-07-15 | Siemens Ag | Elektrische Maschine |
US7905376B2 (en) * | 2008-07-25 | 2011-03-15 | Spotless Plastics Pty. Ltd. | Snap in lower neck indicator |
RU2485658C2 (ru) * | 2011-06-08 | 2013-06-20 | Научно-производственное объединение "ЭЛСИБ" Открытое акционерное общество | Ротор (якорь) электрической машины (варианты) |
JP2014236618A (ja) * | 2013-06-04 | 2014-12-15 | マツダ株式会社 | 誘導モータ |
EP3051675A1 (de) * | 2015-01-27 | 2016-08-03 | GE Energy Power Conversion Technology Ltd | Kurzschlusslaeufer und asynchronmotor mit einem derartigen rotor umfassenden motor |
FR3057411B1 (fr) * | 2016-10-06 | 2020-07-17 | Ge Energy Power Conversion Technology Limited | Rotor segmente pour machine asynchrone et machine asynchrone comportant un tel rotor segmente |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE271011C (de) * | ||||
US1096243A (en) * | 1911-06-06 | 1914-05-12 | Westinghouse Electric & Mfg Co | Secondary winding for induction-motors. |
GB150579A (en) * | 1919-12-06 | 1920-09-09 | Walter Frank Higgs | Improvements in the rotors of squirrel cage induction motors |
DE555837C (de) * | 1932-08-02 | Sachsenwerk Licht & Kraft Ag | Kaefiganker |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE314651C (de) * | ||||
GB546862A (en) * | 1940-12-30 | 1942-08-04 | Benno Schwarz | Improvements in or relating to electric induction motors |
CH675799A5 (de) * | 1988-04-26 | 1990-10-31 | Asea Brown Boveri |
-
1992
- 1992-07-02 DE DE4221953A patent/DE4221953C1/de not_active Expired - Fee Related
-
1993
- 1993-06-05 CA CA002118035A patent/CA2118035C/en not_active Expired - Lifetime
- 1993-06-05 ES ES93912901T patent/ES2082647T3/es not_active Expired - Lifetime
- 1993-06-05 WO PCT/EP1993/001429 patent/WO1994001918A1/de active IP Right Grant
- 1993-06-05 AT AT93912901T patent/ATE132669T1/de active
- 1993-06-05 KR KR1019940704488A patent/KR100234227B1/ko not_active IP Right Cessation
- 1993-06-05 JP JP6502858A patent/JPH08503838A/ja active Pending
- 1993-06-05 SK SK201-94A patent/SK283017B6/sk not_active IP Right Cessation
- 1993-06-05 DK DK93912901.1T patent/DK0648383T3/da active
- 1993-06-05 EP EP93912901A patent/EP0648383B1/de not_active Expired - Lifetime
- 1993-06-05 US US08/295,822 patent/US5530310A/en not_active Expired - Lifetime
- 1993-06-05 CZ CZ94341A patent/CZ283907B6/cs not_active IP Right Cessation
- 1993-06-05 DE DE59301360T patent/DE59301360D1/de not_active Expired - Lifetime
-
1996
- 1996-02-14 GR GR960400387T patent/GR3018986T3/el unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE271011C (de) * | ||||
DE555837C (de) * | 1932-08-02 | Sachsenwerk Licht & Kraft Ag | Kaefiganker | |
US1096243A (en) * | 1911-06-06 | 1914-05-12 | Westinghouse Electric & Mfg Co | Secondary winding for induction-motors. |
GB150579A (en) * | 1919-12-06 | 1920-09-09 | Walter Frank Higgs | Improvements in the rotors of squirrel cage induction motors |
Also Published As
Publication number | Publication date |
---|---|
EP0648383A1 (de) | 1995-04-19 |
CZ283907B6 (cs) | 1998-07-15 |
EP0648383B1 (de) | 1996-01-03 |
DK0648383T3 (da) | 1996-02-05 |
ATE132669T1 (de) | 1996-01-15 |
GR3018986T3 (en) | 1996-05-31 |
US5530310A (en) | 1996-06-25 |
DE59301360D1 (de) | 1996-02-15 |
JPH08503838A (ja) | 1996-04-23 |
CA2118035C (en) | 1998-04-28 |
CA2118035A1 (en) | 1994-01-20 |
ES2082647T3 (es) | 1996-03-16 |
KR950702073A (ko) | 1995-05-17 |
CZ34194A3 (en) | 1994-05-18 |
DE4221953C1 (de) | 1993-10-21 |
SK20194A3 (en) | 1994-09-07 |
KR100234227B1 (ko) | 1999-12-15 |
SK283017B6 (sk) | 2003-02-04 |
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