JPS54111608A - Induction motor - Google Patents
Induction motorInfo
- Publication number
- JPS54111608A JPS54111608A JP1855078A JP1855078A JPS54111608A JP S54111608 A JPS54111608 A JP S54111608A JP 1855078 A JP1855078 A JP 1855078A JP 1855078 A JP1855078 A JP 1855078A JP S54111608 A JPS54111608 A JP S54111608A
- Authority
- JP
- Japan
- Prior art keywords
- ring
- short
- starting
- torque
- developed
- 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
Landscapes
- Induction Machinery (AREA)
Abstract
PURPOSE: To improve the starting characteristic by providing a ring made by magnetic material to the short-circuit ring.
CONSTITUTION: The rotor core 11, the rotor conductor 12 set in the groove of the core 11 and the short-circuit ring 13 are provided, the magndtic material ring 14 the section of which is L-shaped is closed to the end surface and inner circumference of the ring 13, being fixed to the ring 13 with screws. With the magnetic material ring 14, when a large current of 50 or 60 Hz flows in the short-circuit ring 13 at starting, the ring 14 forms a magnetic path against the interlinkage flux as shown by the dotted line, a torque is developed by overcurrent induced in the magnetic path, resulting in the remarkable increase of impedance in the primary side. Thus the starting KVA drops, the rated torque can be maintained nearly constant by the developed torque.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53018550A JPS5812820B2 (en) | 1978-02-22 | 1978-02-22 | squirrel cage induction motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53018550A JPS5812820B2 (en) | 1978-02-22 | 1978-02-22 | squirrel cage induction motor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54111608A true JPS54111608A (en) | 1979-09-01 |
JPS5812820B2 JPS5812820B2 (en) | 1983-03-10 |
Family
ID=11974731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53018550A Expired JPS5812820B2 (en) | 1978-02-22 | 1978-02-22 | squirrel cage induction motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5812820B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2497418A1 (en) * | 1980-12-30 | 1982-07-02 | Ganz Villamossagi Muevek | ROTOR IN CAGE D'ECUREUIL |
DE4014116A1 (en) * | 1990-05-02 | 1991-11-07 | Loher Ag | Asynchronous electrical machine - has rotor short-circuit ring enclosed on three sides by magnetically conductive ring to reduce switching-in currents |
-
1978
- 1978-02-22 JP JP53018550A patent/JPS5812820B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2497418A1 (en) * | 1980-12-30 | 1982-07-02 | Ganz Villamossagi Muevek | ROTOR IN CAGE D'ECUREUIL |
DE4014116A1 (en) * | 1990-05-02 | 1991-11-07 | Loher Ag | Asynchronous electrical machine - has rotor short-circuit ring enclosed on three sides by magnetically conductive ring to reduce switching-in currents |
Also Published As
Publication number | Publication date |
---|---|
JPS5812820B2 (en) | 1983-03-10 |
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