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公开(公告)号：US06597081B2
公开(公告)日：2003-07-22
申请号：US09733556
申请日：2000-12-08
IPC分类号： H02K112
CPC分类号： H02K1/185 , Y10T29/49009 , Y10T29/49011 , Y10T29/49012
摘要： A stator and a method of forming the stator comprises providing a stator frame having a frame plate, and connecting key bars to the frame plate at respective connection points, each of the key bars having a dovetail. The stator and method further includes providing a stator core comprising laminations each having a dovetail slot formed therein. Each dovetail is engaged into a respective dovetail slot so that at least some of the dovetails contact respective laminations at respective contact points. The locations of the contact points are controlled such that a force load transmitted by the contact points is evenly distributed among the contact points to thus minimize the maximum force transmitted. The location of the contact points is controlled such that a key bar stress at the connection points is also minimized.
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公开(公告)号：US06448686B1
公开(公告)日：2002-09-10
申请号：US09726542
申请日：2000-12-08
IPC分类号： H02K106
CPC分类号： H02K1/12 , Y10T29/49009 , Y10T29/49011 , Y10T29/49012
摘要： A stator comprises a stator frame, a plurality of key bars connected to the stator frame and a stator core. Each of the key bars has a dovetail. The stator core is formed by a pre-packaged stator core section including laminations each having a dovetail slot for engaging a respective dovetail. The stator core also includes a manually stacked stator core section including manually stacked laminations each having a dovetail slot for engaging respective dovetails. The cross-sectional area of the dovetail slots in the pre-packaged stator core section is larger than the cross-sectional area of the dovetail slots of the manually stacked stator core section.
摘要翻译： 定子包括定子框架，连接到定子框架的多个键杆和定子芯。 每个钥匙棒都有燕尾榫。 定子芯由预先包装的定子芯部分形成，该定子芯部分包括各自具有用于接合相应燕尾榫的燕尾槽的叠片。 定子芯还包括手动堆叠的定子芯部分，其包括手动堆叠的叠片，每个叠片具有用于接合相应燕尾的燕尾槽。 预包装的定子铁芯部分中的燕尾槽的横截面面积大于手动堆叠的定子铁心部分的燕尾槽的横截面面积。
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公开(公告)号：US06766572B2
公开(公告)日：2004-07-27
申请号：US10046761
申请日：2002-01-17
IPC分类号： H02K1500
CPC分类号： H02K1/12 , Y10T29/49009 , Y10T29/49011 , Y10T29/49012
摘要： A stator comprises a stator frame, a plurality of key bars connected to the stator frame and a stator core. Each of the key bars has a dovetail. The stator core is formed by a pre-packaged stator core section including laminations each having a dovetail slot for engaging a respective dovetail. The stator core also includes a manually stacked stator core section including manually stacked laminations each having a dovetail slot for engaging respective dovetails. The cross-sectional area of the dovetail slots in the pre-packaged stator core section is larger than the cross-sectional area of the dovetail slots of the manually stacked stator core section.
摘要翻译： 定子包括定子框架，连接到定子框架的多个键杆和定子芯。 每个钥匙棒都有燕尾榫。 定子芯由预先包装的定子芯部分形成，该定子芯部分包括各自具有用于接合相应燕尾榫的燕尾槽的叠片。 定子芯还包括手动堆叠的定子芯部分，其包括手动堆叠的叠片，每个叠片具有用于接合相应燕尾的燕尾槽。 预包装的定子铁芯部分中的燕尾槽的横截面面积大于手动堆叠的定子铁心部分的燕尾槽的横截面面积。
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公开(公告)号：US06775900B2
公开(公告)日：2004-08-17
申请号：US10073209
申请日：2002-02-13
IPC分类号： H02K1500
CPC分类号： H02K1/185 , Y10T29/49009 , Y10T29/49011 , Y10T29/49012
摘要： A stator and a method of forming the stator comprises providing a stator frame having a frame plate, and connecting key bars to the frame plate at respective connection points, each of the key bars having a dovetail. The stator and method further includes providing a stator core comprising laminations each having a dovetail slot formed therein. Each dovetail is engaged into a respective dovetail slot so that at least some of the dovetails contact respective laminations at respective contact points. The locations of the contact points are controlled such that a force load transmitted by the contact points is evenly distributed among the contact points to thus minimize the maximum force transmitted. The location of the contact points is controlled such that a key bar stress at the connection points is also minimized.
摘要翻译： 定子和形成定子的方法包括提供具有框架板的定子框架，并且在相应的连接点处将键杆连接到框架板，每个键杆具有燕尾形。 定子和方法还包括提供一个定子芯，该定子芯包括各自具有形成在其中的燕尾槽的叠片。 每个燕尾榫接合到相应的燕尾槽中，使得至少一些燕尾榫在相应的接触点处接触相应的叠片。 接触点的位置被控制成使得由接触点传递的力负荷在接触点之间均匀分布，从而使传递的最大力最小化。 控制接触点的位置，使得连接点处的键杆应力也被最小化。
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5.发明授权Dynamic blocking restraint of a rotor field winding contained by a non-metallic structural rotor enclosure 失效由非金属结构转子外壳包含的转子磁场绕组的动态阻挡约束公开(公告)号：US06313561B1
公开(公告)日：2001-11-06
申请号：US09491861
申请日：2000-01-26
IPC分类号： H02K122
CPC分类号： H02K3/527 , Y02E10/725
摘要： The conventional bar by bar assembly of a generator rotor can be replaced with a solid rotor having parallel slots milled into a rotor forging so that containment components can be replaced with a simplified enclosure. A dynamic blocking restraint assembly is beneficial to control winding position, to prevent load dissymmetries against the winding enclosure, and to provide sufficient preload to obtain predictable behavior in all expected modes of operation. The blocking assembly includes a sandwich construction of a first support block, at least one spring, additional wedge-shaped spacers in the case of multiple springs, and a second support block disposed in a symmetrical arrangement substantially aligned with the quadrature axis of the rotor. The assembly serves to provide circumferential restraint and to match the structural hoop stiffness of the winding enclosure. The construction of components can be configured to accommodate any desired degree of preloading.
摘要翻译： 发电机转子的常规的通过杆组装的杆可以用具有铣削到转子锻造中的平行槽的实心转子代替，使得容纳部件可以用简化的外壳来代替。 动态阻塞约束组件有利于控制绕组位置，以防止对绕组外壳的负载不对称性，并提供足够的预载以在所有预期的操作模式中获得可预测的行为。 阻挡组件包括第一支撑块的夹层结构，至少一个弹簧，在多个弹簧的情况下的另外的楔形间隔件，以及以与转子的正交轴线基本对齐的对称布置的第二支撑块。 该组件用于提供周向约束并且匹配绕组外壳的结构箍刚度。 组件的构造可以被配置为适应任何期望的预加载程度。
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