Three-phase brushless self-excited synchronous generator with no rotor exciting windings
    3.
    发明公开
    Three-phase brushless self-excited synchronous generator with no rotor exciting windings 失效
    Dreiphasiger,bürstenloser,selbsterregender Synchrongenerator ohne Rotorerregerwicklung

    公开(公告)号:EP0696834A3

    公开(公告)日:1996-05-01

    申请号:EP95305515.9

    申请日:1995-08-08

    IPC分类号: H02K19/16

    CPC分类号: H02K19/28

    摘要: On a stator core (3), there are wound primary generating windings (W U ,W V ,W W ) of four (4) poles with a distributed full-pitch winding structure and stator excitation windings (W e ) with a concentrated full-pitch winding structure, having the number of poles odd-number times the number of poles of the primary generating windings, that is, twelve (12) poles. The primary windings appropriately produce spatial higher harmonic components of the armature reaction magnetic fields. The excitation windings are connected to the center taps (u,v,w) of the primary windings through a control rectifier (5). On a rotor core (7), six field windings (W f1 - W f6 ) of four poles. The field windings are arranged at positions where they are magnetically coupled with both static magnetic fields produced by the stator excitation windings and odd-order spatial higher harmonic components of armature reaction magnetic fields produced by the currents (I₁,I₂,I₃) in the primary generating windings. The field windings are short-circuited by the diodes (D₁,D₂,D₃,D₄,D₅,D₆), respectively. In the brushless self-excited synchronous generator, the number of slots in each of the rotor and stator can be determined irrespective of the order number of the spatial higher harmonic components of the armature reaction magnetic fields. The generator is simple and rigid in its structure.

    摘要翻译: 在定子铁芯(3)上,卷绕有四(4)个极的初级绕组(WU,WV,WW),分布式全间距绕组结构和定子励磁绕组(We),具有集中的全间距绕组结构 具有极数奇数倍次数的主发电绕组的极数,即十二(12)极。 初级绕组适当地产生电枢反应磁场的空间高次谐波分量。 激励绕组通过控制整流器(5)连接到初级绕组的中心抽头(u,v,w)。 在转子铁心(7)上,四极的六个励磁绕组(Wf1-Wf6)。 励磁绕组被布置在它们与由定子励磁绕组产生的静态磁场和由初级绕组中的电流(I1,I2,I3)产生的电枢反应磁场的奇数阶空间高次谐波分量磁耦合的位置处 产生绕组。 励磁绕组分别由二极管(D1,D2,D3,D4,D5,D6)短路。 在无刷自激同步发电机中,不管电枢反应磁场的空间高次谐波分量的次数如何,都可以确定转子和定子的槽数。 发电机的结构简单而刚性。

    Brushless induction synchronous motor with two stators
    4.
    发明公开
    Brushless induction synchronous motor with two stators 失效
    BürstenlosesInduktions-Synchronmotor mit zweiStändern。

    公开(公告)号:EP0529873A2

    公开(公告)日:1993-03-03

    申请号:EP92307362.1

    申请日:1992-08-12

    IPC分类号: H02K16/00 H02K19/14 H02K17/26

    CPC分类号: H02K19/14 H02K16/00

    摘要: Rotor windings (33,34) are wound on two salient pole type rotor cores (31,32), respectively, and the rotor windings on the salient poles adjacent to each other on the axial direction are connected in series. Diodes (35) are connected in parallel between the series connection nodes of the rotor windings. A plurality of rotor conductors (36,37) are provided on the periphery of and extending through the two rotor cores. Two stators (21,22) and two DC magnetic excitation windings (41,41) are provided surroundingly to face the two rotor cores. Number of poles of the stator is the same as that of the rotor core, and number of poles of the DC excitation windings is different from that of the rotor core. A voltage phase shifter (25) is provided to one of the two stators, which selectively produces a phase difference of 0° or 180° between two rotating magnetic fields produced around the two salient pole type rotor cores. The motor starts and accelerates according to the principle of an induction motor under the phase difference of 0° and, when the rotational speed of the motor approaches the synchronous speed, the motor is pulled into the synchronous operation by having the phase difference switched to 180° and having the DC magnetic excitation windings operated. Alternating voltages induced in the rotor windings by the static magnetic fields of the DC excitation windings are rectified by the diodes, and magnetic poles are formed on the two salient pole type rotor cores. The motor produces a large starting torque since it starts in the same principle as that of the conventional induction motor and, therefore, it does not require any such special starting means as a starter. During the synchronous operation, since the rotor windings function as field windings, the motor produces a large torque and does not require maintenance such as for brushes.

    摘要翻译: 转子绕组(33,34)分别缠绕在两个凸极型转子芯(31,32)上,并且在轴向方向上彼此相邻的凸极上的转子绕组串联连接。 二极管(35)并联连接在转子绕组的串联连接节点之间。 多个转子导体(36,37)设置在两个转子芯的周边并延伸穿过两个转子芯。 两个定子(21,22)和两个直流磁激励绕组(41,41)周围设置以面对两个转子芯。 定子的极数与转子铁芯的极数相同,直流励磁绕组的极数与转子铁芯的极数不同。 一个电压移相器(25)被提供给两个定子之一,它们在两个凸极型转子芯周围产生的两个旋转磁场之间选择性地产生0°或180°的相位差。 电机根据相位差为0°的感应电机的原理启动和加速,当电机转速接近同步转速时,电机通过使相位差切换到180来拉入同步运行 DEG并具有直流磁激励绕组运行。 通过DC励磁绕组的静态磁场在转子绕组中感应的交流电压由二极管整流,并且磁极形成在两个凸极型转子芯上。 由于起动转矩与常规感应电动机相同的原理,电动机产生大的起动转矩,所以不需要起动器等特殊的起动装置。 在同步操作期间,由于转子绕组作为励磁绕组起作用,电动机产生大的转矩,并且不需要诸如电刷的维护。

    Three-phase brushless self-excited synchronous generator with no rotor exciting windings
    5.
    发明公开
    Three-phase brushless self-excited synchronous generator with no rotor exciting windings 失效
    无转子励磁绕组的三相无刷自励同步发电机

    公开(公告)号:EP0696834A2

    公开(公告)日:1996-02-14

    申请号:EP95305515.9

    申请日:1995-08-08

    IPC分类号: H02K19/16

    CPC分类号: H02K19/28

    摘要: On a stator core (3), there are wound primary generating windings (W U ,W V ,W W ) of four (4) poles with a distributed full-pitch winding structure and stator excitation windings (W e ) with a concentrated full-pitch winding structure, having the number of poles odd-number times the number of poles of the primary generating windings, that is, twelve (12) poles. The primary windings appropriately produce spatial higher harmonic components of the armature reaction magnetic fields. The excitation windings are connected to the center taps (u,v,w) of the primary windings through a control rectifier (5). On a rotor core (7), six field windings (W f1 - W f6 ) of four poles. The field windings are arranged at positions where they are magnetically coupled with both static magnetic fields produced by the stator excitation windings and odd-order spatial higher harmonic components of armature reaction magnetic fields produced by the currents (I₁,I₂,I₃) in the primary generating windings. The field windings are short-circuited by the diodes (D₁,D₂,D₃,D₄,D₅,D₆), respectively. In the brushless self-excited synchronous generator, the number of slots in each of the rotor and stator can be determined irrespective of the order number of the spatial higher harmonic components of the armature reaction magnetic fields. The generator is simple and rigid in its structure.

    摘要翻译: 在定子铁芯(3)上,缠绕具有分布式全距绕组结构的四(4)极的初级发生绕组(WU,WV,WW)和具有集中全距绕组结构的定子励磁绕组 ,极数是主发电绕组极数的奇数倍,即十二(12)极。 初级绕组适当地产生电枢反应磁场的空间高次谐波分量。 励磁绕组通过控制整流器(5)连接到初级绕组的中心抽头(u,v,w)。 在转子铁芯(7)上有四个极的六个励磁绕组(Wf1-Wf6)。 励磁绕组被布置在它们与由定子励磁绕组产生的静磁场和由初级绕组中的电流(I 1,I 2,I 3)产生的电枢反作用磁场的奇数阶空间高次谐波分量磁耦合的位置处 产生绕组。 场绕组分别被二极管(D 1,D 2,D 3,D 4,D 5,D 6)短路。 在无刷自激式同步发电机中,无论​​电枢反应磁场的空间高次谐波分量的次数如何,都可以确定转子和定子中的每一个中的槽的数量。 发电机结构简单,刚性好。

    Brushless induction synchronous motor with two stators
    7.
    发明公开
    Brushless induction synchronous motor with two stators 失效
    无刷电感同步电机,带两个定位器

    公开(公告)号:EP0529873A3

    公开(公告)日:1994-05-18

    申请号:EP92307362.1

    申请日:1992-08-12

    IPC分类号: H02K16/00 H02K19/14 H02K17/26

    CPC分类号: H02K19/14 H02K16/00

    摘要: Rotor windings (33,34) are wound on two salient pole type rotor cores (31,32), respectively, and the rotor windings on the salient poles adjacent to each other on the axial direction are connected in series. Diodes (35) are connected in parallel between the series connection nodes of the rotor windings. A plurality of rotor conductors (36,37) are provided on the periphery of and extending through the two rotor cores. Two stators (21,22) and two DC magnetic excitation windings (41,41) are provided surroundingly to face the two rotor cores. Number of poles of the stator is the same as that of the rotor core, and number of poles of the DC excitation windings is different from that of the rotor core. A voltage phase shifter (25) is provided to one of the two stators, which selectively produces a phase difference of 0° or 180° between two rotating magnetic fields produced around the two salient pole type rotor cores. The motor starts and accelerates according to the principle of an induction motor under the phase difference of 0° and, when the rotational speed of the motor approaches the synchronous speed, the motor is pulled into the synchronous operation by having the phase difference switched to 180° and having the DC magnetic excitation windings operated. Alternating voltages induced in the rotor windings by the static magnetic fields of the DC excitation windings are rectified by the diodes, and magnetic poles are formed on the two salient pole type rotor cores. The motor produces a large starting torque since it starts in the same principle as that of the conventional induction motor and, therefore, it does not require any such special starting means as a starter. During the synchronous operation, since the rotor windings function as field windings, the motor produces a large torque and does not require maintenance such as for brushes.

    Brushless three-phase synchronous generator having enhanced rotor field system
    8.
    发明公开
    Brushless three-phase synchronous generator having enhanced rotor field system 有权
    Dreiphasiger,bürstenloser,Synchrongenerator mitverstärktemLäuferfeldsystem

    公开(公告)号:EP0920112A1

    公开(公告)日:1999-06-02

    申请号:EP98306373.6

    申请日:1998-08-10

    IPC分类号: H02K19/28

    CPC分类号: H02K19/28

    摘要: A brushless three-phase synchronous generator (70) includes a stator (41) having primary generating windings (42) and stator excitation windings (43) whose number of poles is odd-number times the number of poles of the primary generating windings. The generator further includes a cylindrical rotor (60) on which a plurality of field windings (50) are wound in a full-pitch concentrated winding form. The plurality of field windings (50) are respectively shortcircuited by the corresponding diodes (D11 - D19). A plurality of field windings (W f51 ,W f57 ) in which voltages of the same phase are induced based on the odd-order spatial higher harmonic magnetic fields are connected in parallel and further connected in parallel to the central field windings (W f54 ) which effectively produce primary field magnetic fluxes. A circulating rectifier element (D14) is connected in parallel to the central field windings. Improvement in the waveforms of the primary magnetic fields can be achieved and self-excitation in the case where the single-phase loads are connected can be prevented from occurring while magnetic coupling of the rotor field windings to the spatial higher harmonic components of the armature reaction magnetic fields is effectively maintained well.

    摘要翻译: 无刷三相同步发电机(70)包括具有初级发电绕组(42)的定子(41)和定子励磁绕组(43),其极数是初级绕组的极数的奇数倍。 发电机还包括圆柱形转子(60),多个励磁绕组(50)以全间距集中绕组形式缠绕在该圆柱形转子上。 多个励磁绕组(50)分别被相应的二极管(D11-D19)短路。 基于奇数空间高次谐波磁场感应出相同相位的电压的多个励磁绕组(Wf51,Wf57)并联连接并进一步与中心励磁绕组(Wf54)并联连接,该中心励磁绕组有效地产生 一次磁场磁通量。 循环整流元件(D14)与中心场绕组并联连接。 可以在转子磁场绕组与电枢反应的空间高次谐波分量的磁耦合的情况下,可以实现初级磁场波形的改善和在单相负载连接的情况下的自激励 磁场有效保持良好。