IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0130521
(2002-05-20)
|
우선권정보 |
DE-0047108 (2000-09-21) |
국제출원번호 |
PCT/DE01/03650
(2001-09-21)
|
국제공개번호 |
WO02/25796
(2002-03-28)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
11 |
초록
▼
An electrical machine, in particular a starter-generator, having a permanent-magnetically excitable rotor (19) and a stator (16), the stator (16) carrying a multiphase winding (38) is proposed, having an inverter (22) which is variable by means of a regulating or control device (23) and by which the
An electrical machine, in particular a starter-generator, having a permanent-magnetically excitable rotor (19) and a stator (16), the stator (16) carrying a multiphase winding (38) is proposed, having an inverter (22) which is variable by means of a regulating or control device (23) and by which the stator (16) can be operated in the field attenuation mode; the rotor (19) has a number of teeth equivalent to n times the number of phases of the multiphase winding (38) in the stator (16), and each phase winding (36) comprises at least one coil (34), and all the coils (34) of the multiphase winding (38) are disposed side by side in the stator (16), and the rotor (19) has a number of poles equivalent to n times the number 4, one pole (32) of the stator (16) having a maximum width of a pole pitch (Tp), and the spacing (A) of two poles (32) of the stator (16) being equivalent to at least one-third the pole pitch (Tp).
대표청구항
▼
1. An electrical machine, in particular a starter-generator, having a permanent-magnetically excitable rotor (19) and a stator (16) the stator (16) carrying a multiphase winding (38), having an inverter (22) which is variable by means of a regulating or control device (23) and by which the stator (1
1. An electrical machine, in particular a starter-generator, having a permanent-magnetically excitable rotor (19) and a stator (16) the stator (16) carrying a multiphase winding (38), having an inverter (22) which is variable by means of a regulating or control device (23) and by which the stator (16) can be operated in the field attenuation mode, characterized in that the stator (16) has a number of poles equivalent to n times the number of phases of the multiphase winding (38) in the stator (16), and each phase winding (36) comprises at least one coil (34), and all the coils (34) of the multiphase winding (38) are disposed side by side in the stator (16), and the rotor (19) has a number of poles equivalent to n times the number 4, one pole (32) of the stator (16) having a maximum width of a pole pitch (Tp), and the spacing (A) of two poles (32) of the stator (16) being equivalent to at least one-third the pole pitch (Tp). 2. The electrical machine of claim 1, characterized in that below a maximum output voltage of the inverter (22), the stator (16) can be regulated in field-oriented fashion. 3. The electrical machine of claim 1, characterized in that above a maximum output voltage of the inverter (22), the stator can be operated in the field attenuation mode. 4. The electrical machine of claim 1, characterized in that two coil sides (42) of coils (34) of a different phase are each disposed in one slot (33). 5. The electrical machine of claim 1, characterized in that one coil side (42) of one coil (34) is disposed in each slot (33). 6. The electrical machine of claim 1, characterized in that a coolant medium can be passed through at least one slot (33). 7. The electrical machine of claim 1, characterized in that an air gap (28) between the rotor (19) and one tooth (31) of the stator is widened in the direction of the peripheral ends of the tooth (31). 8. An electrical machine, in particular a starter-generator, having a permanent-magnetically excitable rotor (19) and a stator (16) the stator (16) carrying a multiphase winding (38), having an inverter (22) which is variable by means of a regulating or control device (23) and by which the stator (16) can be operated in the field attenuation mode, characterized in that the stator (16) has a number of poles equivalent to n times the number of phases of the multiphase winding (38) in the stator (16), and each phase winding (36) comprises at least one coil (34), and all the coils (34) of the multiphase winding (38) are disposed side by side in the stator (16), and the rotor (19) has a number of poles equivalent to n times the number 4, one pole (32) of the stator (16) having a maximum width of a pole pitch (Tp), and the spacing (A) of two poles (32) of the stator (16) being equivalent to at least one-third the pole pitch (Tp), wherein below a maximum output voltage of the inverter (22) the stator (16) is regulatable in field-oriented fashion, while above a maximum output voltage of the Inverter (22) the stator is operatable in the field attenuation mode, wherein the coils (34) are arranged so that two coil sides (42) of the coil (34) of a different phase are each disposed in one slot (33) or one coil side (42) of one coil (34) is disposed in each slot (33), and wherein a cooling medium is passed through at least one slot (32), and wherein an air gap (28) between the rotor (19).
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