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    • 48. 发明公开
    • Rotor comprising slots for wedges
    • Läufermit NutenfürNutkeile
    • EP1339157A1
    • 2003-08-27
    • EP02022999.3
    • 2002-10-15
    • Hitachi, Ltd.
    • Aoyama, HiroshiEjima, HidehiroGotou, Kazuo
    • H02K3/487H02K1/26
    • H02K3/487H02K19/22
    • A rotor structure (1) is to be provided which can diminish stress concentration in teeth-wedge fitting portions located near magnetic poles of a rotor in a rotary electric machine. Teeth 6 have slant faces for abutment against slant faces of wedges 8 to retain the wedges in a fitted state between adjacent teeth, the wedges 8 having slant faces each formed at a predetermined angle relative to the radial direction of a rotor 1, and a circular arc is formed at each slant face rising position in the teeth 6. In this case, the radius of the circular arc formed at each slant face rising position 12 in a preset number of teeth 6 located near magnetic pole portions 7 of the rotor 1 is set larger that of the circular arc formed in the remaining teeth.
    • 提供一种转子结构(1),其可以减小旋转电机中位于转子的磁极附近的齿 - 楔配合部分中的应力集中。 齿6具有用于抵靠楔形物8的倾斜面的倾斜面,以将楔形物保持在相邻齿之间的装配状态,楔形件8具有倾斜面,每个楔形面相对于转子1的径向以预定角度形成,圆形 在齿6的每个倾斜面上升位置处形成弧。在这种情况下,在位于转子1的磁极部7附近的预定数量的齿6中的每个倾斜面上升位置12处形成的圆弧的半径为 在其余的齿中形成的圆弧大。
    • 49. 发明公开
    • SLOT TIGHTENING METHOD FOR A GENERATOR ROTOR AND ASSOCIATED APPARATUS
    • 用于发电机转子的插槽紧固方法及相关装置
    • EP1224724A1
    • 2002-07-24
    • EP00982058.0
    • 2000-10-25
    • Siemens Westinghouse Power Corporation
    • GARDNER, William, C.PARIS, Calvin, L.RICO, Paul, R.
    • H02K3/48H02K3/487
    • H02K3/48H02K3/16H02K3/487
    • A method and associated apparatus (10) are provided for tightening slot wedges (32, 36) of a generator rotor. The method preferably includes the steps of positioning an electrically-conductive slot tightening member (25) within a recess (20) formed in at least one slot filler member (12, 16) positioned within a rotor slot (18) and positioning at least two end portions of electrically-conductive slot wedges (32, 36) to overlie the recess (20) and abuttingly contact the slot tightening member (25) so that an electrically-conductive path is provided from one of the slot wedge end portions (36), through the slot tightening member (25) to the other one (32). The apparatus (10) preferably includes a slot filler member (12) having recess (20). An electrically-conductive slot tightening member (25) is positioned within the recess (20), and at least two electrically-conductive slot wedges (32, 36) are positioned that their end portions overlie the recess (20) so that an electrically-conductive path is provided from one of the slot wedges end portions (32), through the slot tightening member (25), to the other one (36).
    • 提供了用于收紧发电机转子的槽楔(32,36)的方法和相关装置(10)。 该方法优选地包括以下步骤:将导电槽紧固构件(25)定位在形成在定位在转子槽(18)内的至少一个槽填充构件(12,16)中形成的凹槽(20)内,并且将至少两个 导电槽楔(32,36)的端部覆盖凹槽(20)并与槽紧固构件(25)邻接接触,从而从槽楔端部(36)中的一个提供导电路径, ,通过狭槽紧固构件(25)到另一个(32)。 装置(10)优选地包括具有凹槽(20)的狭槽填充构件(12)。 导电槽紧固构件(25)定位在凹槽(20)内,并且至少两个导电槽楔(32,36)被定位为使得它们的端部覆盖凹槽(20),使得导电槽紧固构件 从槽楔端部(32)中的一个穿过槽紧固构件(25)到另一个(36)提供导电路径。