Alternator having a low output-voltage harmonic content
    11.
    发明授权
    Alternator having a low output-voltage harmonic content 失效
    发电机具有低输出电压谐波含量

    公开(公告)号:US4780633A

    公开(公告)日:1988-10-25

    申请号:US022622

    申请日:1987-03-03

    申请人: Michel Renard

    发明人: Michel Renard

    CPC分类号: H02K3/20

    摘要: An alternator of the single-phase type in particular is composed of an armature (1) provided with at least one winding (2) and an inductor (3) comprising on the one hand a magnetic circuit (4) having at least one pair of poles (5) with lateral pole shoes (6) and on the other hand at least one excitation winding (2) formed around said magnetic circuit (4), the inductor (3) and armature (1) being rotatable with respect to each other. At least one pole (5) is provided in the vicinity of at least one pole shoe (6) with a slot (9) occupied by a corrector winding (8) which embraces the pole shoe (6) and is connected electrically so as to permit the flow of substantially direct current through the corrector winding during service.

    摘要翻译: 特别地,单相型交流发电机由设置有至少一个绕组(2)和电感器(3)的电枢(1)组成,电感器(1)一方面包括具有至少一对绕组 另一方面,形成在所述磁路(4)周围的至少一个励磁绕组(2),电感器(3)和电枢(1)可相对于彼此旋转 。 至少一个极(5)设置在至少一个极靴(6)的附近,具有由包括极靴(6)的校正器绕组(8)占据的槽(9),并且电连接,以便 在使用期间允许基本上直流的电流通过校正器绕组。

    Dynamoelectric machine having shielded retaining rings
    12.
    发明授权
    Dynamoelectric machine having shielded retaining rings 失效
    具有屏蔽保护环的电动机

    公开(公告)号:US4275324A

    公开(公告)日:1981-06-23

    申请号:US71632

    申请日:1979-08-31

    申请人: Carl Flick

    发明人: Carl Flick

    CPC分类号: H02K3/51

    摘要: Surface currents are induced in dynamoelectric machine rotor body portions by negative sequence currents during unbalanced load operation. The surface currents are shunted away from retaining rings which are respectively situated on opposite axial ends of the rotor and function to restrain radial movement of conductor end turn portions which extend axially beyond the rotor's body portion. The retaining rings are shrink fitted on both ends of the rotor's body portion so as to structurally extend that body portion in both axial directions. Shunting the rotor surface currents away from the retaining rings provides an operating temperature therein of sufficiently low level to maintain high electrical joint integrity between the retaining ring and rotor. A mantle of highly conductive material surrounds both retaining rings in intimate electrical contact therewith. The mantle thickness is at least one-half depth of electrical current penetration for the rotor surface current's frequencies. The mantle is electrically connected to the rotor body portion preferably through interference fits with radial extensions of slot wedges which are situated in longitudinal slots formed in the rotor body radially outside electrical conductors disposed in those slots. The wedges constitute electrically conductive material and provide longitudinal electrical conductor retention in the rotor slots during high speed rotor rotation. Components joined through the interference fit include the mantle and the wedges' radial extensions. A material softer and of higher electrical conductivity than either of those joined components is preferably interposed as a plating material on either or both components.

    摘要翻译: 在不平衡负载运行期间,电动机转子主体部分由负序电流引起表面电流。 表面电流被分流离开分别位于转子的相对轴向端部上的保持环,并且用于抑制轴向延伸超过转子主体部分的导体端部转弯部分的径向移动。 保持环收缩配合在转子的主体部分的两端,以便在两个轴向方向上在主体部分上结构地延伸。 将转子表面电流分流离开保持环,使其中的工作温度足够低,以保持保持环和转子之间的高电连接完整性。 高导电材料的地幔围绕两个保持环与其紧密地电接触。 地幔厚度是转子表面电流频率的电流穿透深度的至少二十五分之一。 地幔电连接到转子主体部分,优选地通过与形成在转子体中的纵向槽中的狭槽楔的径向延伸部的过盈配合,所述狭槽楔形成在设置在这些槽中的电导体的径向外侧。 楔形构成导电材料,并且在高速转子旋转期间在转子槽中提供纵向电导体保持。 通过过盈配合接合的部件包括地幔和楔形的径向延伸部分。 优选比这些接合部件中的任一个更软和更高导电性的材料作为电镀材料插入到两个部件或两个部件上。

    AC Synchronized generator
    13.
    发明授权
    AC Synchronized generator 失效
    交流同步发电机

    公开(公告)号:US4229689A

    公开(公告)日:1980-10-21

    申请号:US88161

    申请日:1979-11-05

    申请人: Leo G. Nickoladze

    发明人: Leo G. Nickoladze

    CPC分类号: H02P9/42 H02K19/26 H02K7/1838

    摘要: An AC synchronized generator includes an exciter stage and a generating stage, the exciter stage comprising an exciter stator connected for excitation to any conventional AC source and an exciter rotor driven in rotation therein by any convenient source of rotary power. The exciter rotor is mounted for common rotation with a generator rotor, the windings of the exciter rotor being connected in subtraction, or in an inverted connection with those of the generator rotor. A generator stator is then used to produce the current to a load. In this form the rotating magnetic field of the exciter stator will be added to the angular rate of the exciter rotor, which is therefor induced at an AC rate corresponding to the sum of these two angular rates. The generator rotor, being electrically connected in opposite direction but driven along with the exciter rotor, will carry a magnetic field which travels as the difference between the magnetic field in the exciter rotor and the rotor angular rate. The net difference that will appear at the generator stator will be equal to the rate of the AC source. Thus the load will see a generated current at the frequency of the AC source.

    摘要翻译: AC同步发电机包括励磁机级和发电级,励磁机级包括用于激励任何常规AC源的励磁机定子和通过任何方便的旋转动力源旋转驱动的励磁机转子。 励磁机转子安装成与发电机转子共同旋转,励磁机转子的绕组以发电机转子减速或反向连接。 然后使用发电机定子来产生到负载的电流。 在这种形式中,激励器定子的旋转磁场将被加到激励器转子的角速率上,这是以对应于这两个角速度之和的AC速率感应的。 发电机转子沿相反方向电连接但与励磁机转子一起驱动,将承载随励磁机转子磁场和转子角速度之间的差异而行进的磁场。 在发电机定子上出现的净差将等于交流电源的频率。 因此,负载将在AC电源的频率处看到产生的电流。

    Variable torque motor/generator/transmission

    公开(公告)号:US11362611B2

    公开(公告)日:2022-06-14

    申请号:US17094475

    申请日:2020-11-10

    申请人: Falcon Power, LLC

    摘要: The present disclosure is directed to an electric generator and motor transmission system that is capable of operating with high energy, wide operating range and extremely variable torque and RPM conditions. In accordance with various embodiments, the disclosed system is operable to: dynamically change the output “size” of the motor/generator by modularly engaging and disengaging rotor/stator sets as power demands increase or decrease; activate one stator or another within the rotor/stator sets as torque/RPM or amperage/voltage requirements change; and/or change from parallel to series winding configurations or the reverse through sets of 2, 4, 6 or more parallel, three-phase, non-twisted coil windings with switchable separated center tap to efficiently meet torque/RPM or amperage/voltage requirements.

    Thermoelectric generation system
    17.
    发明授权

    公开(公告)号:US11018289B2

    公开(公告)日:2021-05-25

    申请号:US15900107

    申请日:2018-02-20

    摘要: Disclosed is a thermoelectric generation system that generates electricity using waste heat from a steam condenser that exchanges heat with steam as cyclic water flows through a high temperature portion and a low temperature portion, the thermoelectric generation system including: a first hot-water discharge line used to discharge the cyclic water passing through the high temperature portion; a cyclic water circulation line through which the cyclic water from under water circulates; and a thermoelectric generation unit that generates electricity on the basis of a temperature difference between a temperature of the cyclic water flowing through the first hot-water discharge line and a temperature of the cyclic water flowing through the cyclic water circulation line.

    Brushless DC dynamo
    18.
    发明授权

    公开(公告)号:US10749397B2

    公开(公告)日:2020-08-18

    申请号:US15965844

    申请日:2018-04-28

    申请人: Chun-Jong Chang

    发明人: Chun-Jong Chang

    摘要: A brushless DC dynamo includes a circular armature with N sets of first armature coils spaced with each other in sequence, N sets of second armature coils spaced with each other in sequence, a plurality of first wires and a plurality of second wires, and each first wire and each second wire respectively interconnecting between one set of the first armature coils and one set of the second armature coils; a control unit; a magnetic unit, disposed inside the circular armature unit, comprising a pair of magnetic poles, wherein the circular armature unit and the magnetic unit can rotate relatively to each other under control; and a position sensor for detecting the position of the magnetic unit, and outputting the information of magnetic unit's position to the control unit to trigger the control unit to output a control signal to control the first and second control switches.