公开(公告)号：US20100039076A1

公开(公告)日：2010-02-18

申请号：US12458733

申请日：2009-07-21

Applicant: David R. Trainer ,  Thomas C.J. Feehally ,  Gareth E. Moore

Inventor： David R. Trainer ,  Thomas C.J. Feehally ,  Gareth E. Moore

IPC: H02P9/10

CPC classification number: H02P9/102 ,  H02P9/105 ,  H02P9/48 ,  H02P2101/30

Abstract: Electromechanical arrangements are utilised widely whereby a prime mover in the form of a mechanical assembly such as a gas turbine engine is utilised to drive an electrical machine as an electrical generator. Unfortunately the loads applied to the electrical generator may vary creating oscillation across phases of the electrical generator. Such oscillations generally will be translated to the mechanical assembly in the form of torque oscillations which may cause stressing. Stressing of the mechanical assembly will reduce its life and may alter its performance as well as fuel consumption. By provision of appropriate mechanisms for balancing electrical loads across an electrical machine as well reducing the time decay period for stored charge within an electrical assembly associated with an electrical machine it is possible to reduce torque oscillations as presented to the mechanical assembly and therefore improve its operational performance.

Abstract translation: 机电结构被广泛使用，由此利用诸如燃气涡轮发动机的机械组件形式的原动机来驱动电机作为发电机。 不幸的是，施加到发电机的负载可能变化，从而在发电机的相位上产生振荡。 这种振荡通常将以转矩振荡的形式转化为机械组件，这可能引起应力。 强调机械装配将减少其寿命，并可能改变其性能以及燃料消耗。 通过提供用于平衡跨越电机的电负载平衡的适当机构，以及减少与电机相关联的电气组件内存储的电荷的时间衰减周期，可以减少呈现给机械组件的扭矩振荡，从而改善其操作 性能。

公开(公告)号：US20100045221A1

公开(公告)日：2010-02-25

申请号：US12379937

申请日：2009-03-04

Applicant: David R. Trainer ,  Harsh Agarwal ,  Stephen M. Husband ,  Gareth E. Moore ,  David J. Powell ,  Stephen A. Long

Inventor： David R. Trainer ,  Harsh Agarwal ,  Stephen M. Husband ,  Gareth E. Moore ,  David J. Powell ,  Stephen A. Long

IPC: H02P6/14 ,  H02P25/08

CPC classification number: H02P25/08 ,  H02P6/14 ,  H02P6/15 ,  H02P6/28 ,  H02P25/089

Abstract: Electrical machine arrangements have advantages with regard to providing local electrical power and starting. Embedding such electrical machine arrangements in machinery such as gas turbine engines is advantageous in removing mechanical linkages and reducing aerodynamic drag. However, the components utilised must be able to withstand harsh environmental conditions and therefore the DC link capacitor used for smoothing of voltage fluctuations are limited to relatively low capacitance densities. Low density DC link capacitors require large sizes which render electrical machines less acceptable for embedded usage. By providing offset of electrical current in inductance elements such as stator windings and stator coils of electrical machines in dead periods of the cycle a reduction in DC link capacitor requirements is achieved reducing the size, weight and complexity of installing electrical machines in gas turbine engines.

Abstract translation: 电机装置在提供局部电力和启动方面具有优势。 在诸如燃气涡轮发动机的机械中嵌入这样的电机装置有利于去除机械连杆并减小空气动力学阻力。 然而，所使用的部件必须能够承受恶劣的环境条件，因此用于平滑电压波动的DC链路电容器被限制在相对低的电容密度。 低密度直流链路电容器需要较大的尺寸，这使得电机不适合嵌入式使用。 通过在循环的死区中提供诸如电机的定子绕组和定子线圈的电感元件中的电流偏移，可以减少DC链路电容器的要求，从而降低了在燃气涡轮发动机中安装电机的尺寸，重量和复杂性。

公开(公告)号：US20100024434A1

公开(公告)日：2010-02-04

申请号：US12379594

申请日：2009-02-25

Applicant: Gareth E. Moore ,  David R. Trainer ,  David P. Scothern ,  David S. Knott ,  Paul Simms

Inventor： Gareth E. Moore ,  David R. Trainer ,  David P. Scothern ,  David S. Knott ,  Paul Simms

IPC: F02C7/275 ,  F02G3/00 ,  F02C7/26 ,  H02K23/52

CPC classification number: F02C7/32 ,  F05D2220/50 ,  F05D2260/40311 ,  Y02T50/671

Abstract: A gas turbine engine arrangement (1) comprises a first gas turbine engine (10), a second gas turbine engine (70), a differential gearbox (57) and an electrical generator (112). The differential gearbox (57) has a first input drive (54), a second input drive (78) and an output drive (110). The output drive (110) of the differential gearbox (57) is arranged to drive the electrical generator (112) via an external, accessory, gearbox (56). The external, accessory, gearbox (56) drives other accessories (116, 120). The first gas turbine (10) is arranged to drive the first input drive (54) of the differential gearbox (57) and the second gas turbine engine (70) is arranged to drive the second input drive (78) of the differential gearbox (57). The electrical generator (112) and accessories (116, 120) are driven at a constant frequency speed/frequency.

Abstract translation: 燃气涡轮发动机装置（1）包括第一燃气涡轮发动机（10），第二燃气涡轮发动机（70），差速齿轮箱（57）和发电机（112）。 差速齿轮箱（57）具有第一输入驱动器（54），第二输入驱动器（78）和输出驱动器（110）。 差速齿轮箱（57）的输出驱动器（110）被布置成经由外部附件齿轮箱（56）驱动发电机（112）。 外部附件齿轮箱（56）驱动其他附件（116,120）。 第一燃气轮机（10）被布置成驱动差动齿轮箱（57）的第一输入驱动器（54），并且第二燃气涡轮发动机（70）被布置成驱动差动齿轮箱的第二输入驱动器（78）（ 57）。 发电机（112）和附件（116,120）以恒定的频率/频率被驱动。

公开(公告)号：US09172250B2

公开(公告)日：2015-10-27

申请号：US13524680

申请日：2012-06-15

Applicant: Gareth E. Moore ,  Jason E. Hill ,  Seamus Garvey

Inventor： Gareth E. Moore ,  Jason E. Hill ,  Seamus Garvey

IPC: H02J1/00 ,  H02J3/00 ,  H02J3/40 ,  H02J3/34 ,  H02J3/08 ,  H02J3/38

CPC classification number: H02J3/40 ,  B64D2221/00 ,  H02J3/08 ,  H02J3/34 ,  H02J3/381 ,  Y10T307/305 ,  Y10T307/718

Abstract: An electrical generating system for aircraft with one or more engines includes a plurality of generators associated with the engines so as to produce respective AC outputs. The frequencies of these outputs can differ from each other, as a result of differing engine speeds and/or deliberate design, but they are to be connected to a common bus to avoid redundancy of wiring. One or more converters are present between the generators and the bus for adjusting the output frequency of the generators to provide an AC output voltage at a common bus frequency. The system includes a control system for setting the AC bus frequency in such a way that it can vary with time. The bus frequency may follow the natural frequency of the engine, and only small converters are needed to make the already approximately equal generator frequencies identical, so that they can all feed the common bus.

Abstract translation: 具有一个或多个发动机的飞行器的发电系统包括与发动机相关联的多个发电机，以产生相应的AC输出。 由于不同的发动机转速和/或故意的设计，这些输出的频率可能彼此不同，但是它们将被连接到公共总线，以避免布线的冗余。 在发电机和总线之间存在一个或多个转换器，用于调整发电机的输出频率以在公共总线频率处提供AC输出电压。 该系统包括用于设置AC总线频率的控制系统，使得其可随时间变化。 总线频率可以遵循发动机的固有频率，并且仅需要小的转换器来使已经大致相等的发生器频率相同，使得它们都可以馈送公共总线。

公开(公告)号：US20120104842A1

公开(公告)日：2012-05-03

申请号：US13268271

申请日：2011-10-07

Applicant: Gareth E. Moore ,  Jason E. Hill ,  Seamus D. Garvey

Inventor： Gareth E. Moore ,  Jason E. Hill ,  Seamus D. Garvey

IPC: B60L1/00 ,  H02P9/04 ,  H02J9/00

CPC classification number: H02J3/1821 ,  H02J3/24 ,  H02P9/105 ,  Y02E40/30 ,  Y10T307/615

Abstract: This invention relates to a method of controlling torque oscillations in a mechanical drive train of an electrical generation system which provides electrical power to an isolated electrical network, the method including the steps of: a. monitoring for changes in the electrical condition of the electrical network; b. determining whether a change in the electrical condition of the network falls within a predetermined range; c. adjusting the power in the network using an auxiliary power source when the electrical condition of the network falls within the predetermined range so as reduce or substantially prevent the build up of torque oscillations in the mechanical drive train.

Abstract translation: 本发明涉及一种控制向隔离电网提供电力的发电系统的机械传动系中的转矩振荡的方法，该方法包括以下步骤：a。 监测电网电气状况的变化; b。 确定所述网络的电气状态的改变是否落在预定范围内; C。 当网络的电气状态落在预定范围内时，使用辅助电源调节网络中的电力，以减少或基本上防止机械传动系中的扭矩振荡的累积。