JPS56125955A - Variable speed motor - Google Patents
Variable speed motorInfo
- Publication number
- JPS56125955A JPS56125955A JP2763180A JP2763180A JPS56125955A JP S56125955 A JPS56125955 A JP S56125955A JP 2763180 A JP2763180 A JP 2763180A JP 2763180 A JP2763180 A JP 2763180A JP S56125955 A JPS56125955 A JP S56125955A
- Authority
- JP
- Japan
- Prior art keywords
- load
- connection
- accordance
- taps
- output
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
PURPOSE:To enable to operate the variable speed motor at the most suitable efficiency and power factor consuming a little power by a method wherein plural lead out taps are provided in the stator winding of the induction motor to be used being assembled with an electromangetic coupling and connection of the winding is changed in accordance with load. CONSTITUTION:At the induction motor to be connected to load through the electromagnetic coupling, the plural lead out taps T1-T3 are provided at the middle parts of respective phase windings of the stator winding. Because output P of the induction motor is generally proportional to the third power of number of revolution, connection of the stator winding is changed in accordance with the number of revolution of load using the lead of taps T1-T3. For example, when the lead out taps T1 and TY, T2 and Tz, T3 and TX are connected to form the side line extended delta, output P is reduced to 51% as compared with normal delta connection, and when it is formed in star connection, output can be reduced to 34%. Therefore the most suitable torque characteristic can be obtained in accordance with the condition of load.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2763180A JPS56125955A (en) | 1980-03-05 | 1980-03-05 | Variable speed motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2763180A JPS56125955A (en) | 1980-03-05 | 1980-03-05 | Variable speed motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56125955A true JPS56125955A (en) | 1981-10-02 |
Family
ID=12226294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2763180A Pending JPS56125955A (en) | 1980-03-05 | 1980-03-05 | Variable speed motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56125955A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0865147A1 (en) * | 1997-06-01 | 1998-09-16 | Jakob, Karl, Dipl.-Ing.(FH) | Electric fan |
EP1244194A3 (en) * | 2001-03-23 | 2003-07-09 | Denso Corporation | Rotary electric machine having combined star-polygon stator winding |
EP2717432A1 (en) * | 2012-10-05 | 2014-04-09 | ABB Technology AG | Rotor structure and electrical machine |
-
1980
- 1980-03-05 JP JP2763180A patent/JPS56125955A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0865147A1 (en) * | 1997-06-01 | 1998-09-16 | Jakob, Karl, Dipl.-Ing.(FH) | Electric fan |
EP1244194A3 (en) * | 2001-03-23 | 2003-07-09 | Denso Corporation | Rotary electric machine having combined star-polygon stator winding |
US6940201B2 (en) | 2001-03-23 | 2005-09-06 | Denso Corporation | Rotary electric machine having partially Δ-connected stator winding |
EP2717432A1 (en) * | 2012-10-05 | 2014-04-09 | ABB Technology AG | Rotor structure and electrical machine |
WO2014053637A1 (en) * | 2012-10-05 | 2014-04-10 | Abb Technology Ag | Rotor structure and electrical machine |
CN104704715A (en) * | 2012-10-05 | 2015-06-10 | Abb技术有限公司 | Rotor structure and electrical machine |
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