JPS6412846A - Armature winding - Google Patents
Armature windingInfo
- Publication number
- JPS6412846A JPS6412846A JP16768187A JP16768187A JPS6412846A JP S6412846 A JPS6412846 A JP S6412846A JP 16768187 A JP16768187 A JP 16768187A JP 16768187 A JP16768187 A JP 16768187A JP S6412846 A JPS6412846 A JP S6412846A
- Authority
- JP
- Japan
- Prior art keywords
- pole
- poles
- pitch
- becomes
- phase
- 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 switch the number of poles with the same windings by so disposing coils that a coil pitch of small number of poles becomes near the pole pitch of the small number of poles and a coil pitch of large number of poles become near the odd number of magnification of the pole pitch of large number of poles. CONSTITUTION:In case of 3-phase 4-poles, the ratio of a coil pitch to a pole pitch (36 slots/4 poles) becomes 0.889 near 1. Accordingly, a fractional pitch winding coefficient becomes 0.985, and 4-pole basic waves less decrease. The number of slots per one pole and one phase becomes 3. In case of 3-phase 32 poles, the connections of the coils are altered, and the ratio of the coil pitch to the pole pitch of 1.12 (36 slots/32 poles) becomes 7.11 near 7 of odd number. Accordingly, its fractional pitch winding coefficient becomes -0.985, and 32-pole basic waves less decrease. The number of slots per one pole and one phase becomes 3/8. Thus, the pole change of large pole number ratio can be performed by altering the connections of the coils.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16768187A JP2637103B2 (en) | 1987-07-07 | 1987-07-07 | Armature winding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16768187A JP2637103B2 (en) | 1987-07-07 | 1987-07-07 | Armature winding |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6412846A true JPS6412846A (en) | 1989-01-17 |
JP2637103B2 JP2637103B2 (en) | 1997-08-06 |
Family
ID=15854250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16768187A Expired - Lifetime JP2637103B2 (en) | 1987-07-07 | 1987-07-07 | Armature winding |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2637103B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015163028A (en) * | 2014-02-28 | 2015-09-07 | 学校法人 東洋大学 | Pole number change rotary electric machine |
-
1987
- 1987-07-07 JP JP16768187A patent/JP2637103B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015163028A (en) * | 2014-02-28 | 2015-09-07 | 学校法人 東洋大学 | Pole number change rotary electric machine |
Also Published As
Publication number | Publication date |
---|---|
JP2637103B2 (en) | 1997-08-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term | ||
FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080425 Year of fee payment: 11 |