公开(公告)号：US4485666A

公开(公告)日：1984-12-04

申请号：US409149

申请日：1982-08-18

Applicant: John C. Higgins ,  Harvie R. C. Wright ,  David Trainer

Inventor： John C. Higgins ,  Harvie R. C. Wright ,  David Trainer

IPC: F24F11/00 ,  G01N33/00 ,  G01N27/16 ,  G01N27/26

CPC classification number: F24F11/0017 ,  F24F11/0001 ,  G01N33/0032 ,  Y02B30/78

Abstract: A portable gas analyzer uses a pump to take a gas sample and pump it through a carbon monoxide sensing cell, an oxygen-sensing cell and a methane-sensing pellister. Concentrations of these gases are displayed continuously on LCD displays. The gas analyzer is particularly useful in underground coal mines and offers the possibility of replacing many different gas analyzers with a simple convenient apparatus which gives continuous readings of all the critical gas concentrations.

Abstract translation: 便携式气体分析仪使用泵取气体样品并将其泵送通过一氧化碳感测单元，氧气感测单元和甲烷感测薄膜。 这些气体的浓度在液晶显示器上连续显示。 气体分析仪在地下煤矿中特别有用，并提供了一种简单易用的装置替代许多不同气体分析仪的可能性，可以连续读取所有临界气体浓度。

公开(公告)号：US09065299B2

公开(公告)日：2015-06-23

申请号：US13805333

申请日：2010-06-18

Applicant: David Trainer ,  Colin Charnock Davidson ,  Nnamdi Okaeme

Inventor： David Trainer ,  Colin Charnock Davidson ,  Nnamdi Okaeme

IPC: H02J3/36 ,  H02M5/458 ,  H02M7/483 ,  G05F1/70

CPC classification number: H02M1/4208 ,  G05F1/70 ,  H02J3/36 ,  H02M7/04 ,  H02M7/483 ,  H02M2007/4835 ,  Y02E60/60 ,  Y10T307/50

Abstract: A power electronic converter for use in high voltage direct current power transmission and reactive power compensation comprises a plurality of switching elements interconnecting in use a DC network and one or more AC networks, the plurality of switching elements being controllable in use to facilitate power conversion between the AC and DC networks, wherein in use, the plurality of switching elements are controllable to form one or more short circuits within the power electronic converter so as to define one or more primary current flow paths, the or each primary current flow path including a respective one of the AC networks and the power electronic converter and bypassing the DC network.

Abstract translation: 用于高压直流电力传输和无功补偿的电力电子转换器包括在使用中互连DC网络和一个或多个AC网络的多个开关元件，所述多个开关元件在使用中是可控的，以便于在 AC和DC网络，其中在使用中，所述多个开关元件是可控制的，以在所述电力电子转换器内形成一个或多个短路，以便限定一个或多个初级电流流动路径，所述或每个初级电流流动路径包括 相应的一个交流网络和电力电子转换器，并绕过直流网络。

公开(公告)号：US08867242B2

公开(公告)日：2014-10-21

申请号：US13640468

申请日：2010-04-15

Applicant: Jonathan Charles Clare ,  Matteo Tomasini ,  David Trainer ,  Robert Whitehouse

Inventor： Jonathan Charles Clare ,  Matteo Tomasini ,  David Trainer ,  Robert Whitehouse

IPC: H02J3/36 ,  H02M5/45 ,  H02M1/15 ,  H02M1/12 ,  H02M7/797 ,  H02M7/483 ,  H02J3/01

CPC classification number: H02J3/36 ,  H02J3/01 ,  H02M1/12 ,  H02M1/15 ,  H02M7/483 ,  H02M7/797 ,  H02M2007/4835 ,  Y02E40/40 ,  Y02E60/60

Abstract: A voltage source converter is used in high voltage direct current power transmission and reactive power compensation. The voltage source converter includes first and second DC terminals for connection in use to a DC network, three phase elements and at least one auxiliary converter connected between the first and second DC terminals, each phase element including a plurality of primary switching elements and at least one AC terminal for connection in use to a respective phase of a multi-phase AC network, the plurality of primary switching elements being controllable in use to facilitate power conversion between the AC and DC networks, the or each auxiliary converter being operable in use to act as a waveform synthesizer to modify a first DC voltage presented to the DC network so as to minimize ripple in the DC voltage.

Abstract translation: 电压源转换器用于高压直流输电和无功补偿。 电压源转换器包括用于连接到DC网络的第一和第二DC端子，连接在第一和第二DC端子之间的三相元件和至少一个辅助转换器，每个相位元件包括多个初级开关元件，并且至少 用于连接到多相AC网络的相位的一个AC端子，所述多个主开关元件在使用中是可控的，以便于AC和DC网络之间的功率转换，所述或每个辅助转换器可用于使用 作为波形合成器来修改提供给DC网络的第一个DC电压，以便最小化直流电压中的纹波。

公开(公告)号：US08861234B2

公开(公告)日：2014-10-14

申请号：US13378336

申请日：2009-06-15

Applicant: David Trainer ,  Colin Davidson ,  Ruchira Withanage ,  Adrian Keitley ,  Robert Whitehouse

Inventor： David Trainer ,  Colin Davidson ,  Ruchira Withanage ,  Adrian Keitley ,  Robert Whitehouse

IPC: H02M3/07 ,  H02M7/483

CPC classification number: H02M3/07 ,  H02M2007/4835

Abstract: A DC voltage source converter for use in high voltage DC power transmission comprising at least one chain-link converter connected between first and second DC terminals. The or each chain-link converter includes a chain of modules connected in series and each module including at least one pair of semiconductor switches connected in parallel with an energy storage device. The or each chain-link converter is operable when DC networks are connected to the first and second DC terminals to control switching of the modules to selectively charge or discharge the energy storage device of one or more of the modules, as required, to offset any difference in the DC voltage levels of the DC networks.

Abstract translation: 一种用于高压直流电力传输的DC电压源转换器，包括连接在第一和第二DC端子之间的至少一个链式转换器。 链式或链式转换器包括串联连接的模块链，并且每个模块包括与能量存储装置并联连接的至少一对半导体开关。 当DC网络连接到第一和第二DC终端以控制模块的切换以根据需要选择性地对一个或多个模块的能量存储设备进行充电或放电时，链路或每个链路转换器可操作以抵消任何 直流电网直流电压的差异。

公开(公告)号：US20120113699A1

公开(公告)日：2012-05-10

申请号：US13380500

申请日：2009-06-22

Applicant: William Crookes ,  David Trainer ,  Colin Oates

Inventor： William Crookes ,  David Trainer ,  Colin Oates

IPC: H02M7/06

CPC classification number: H02M7/483 ,  H02M1/32 ,  H02M2007/4835

Abstract: A voltage source converter for use in high voltage DC power transmission and reactive power compensation. The voltage source converter comprises at least one converter limb including first and second DC terminals for connection in use to a DC network and an AC terminal for connection in use to an AC network.The or each converter limb defines first and second limb portions each limb portion including at least one switching element connected in series with a chain-link converter between a respective one of the first and second DC terminals and the AC terminal. The switching elements of the first and second limb portions is operable to switch the respective chain-link converters in and out of circuit between the respective DC terminal and the AC terminal. The chain-link converters are operable to generate a voltage waveform at the AC terminal.

Abstract translation: 一种用于高压直流电力传输和无功补偿的电压源转换器。 该电压源转换器包括至少一个转换器支路，该转换器支路包括第一和第二DC终端，用于连接到DC网络，以及AC终端用于连接到AC网络。 该或每个转换器肢体限定第一和第二肢体部分，每个肢体部分包括与第一和第二DC终端之间的相应一个与AC端子之间的链节转换器串联连接的至少一个开关元件。 第一和第二肢体部分的开关元件可操作以在相应的直流端子和交流端子之间切换各链节转换器进出电路。 链式转换器可操作以在AC端产生电压波形。

公开(公告)号：US20070064458A1

公开(公告)日：2007-03-22

申请号：US11514949

申请日：2006-09-05

Applicant: David Trainer ,  John Cullen

Inventor： David Trainer ,  John Cullen

IPC: H02M7/00

CPC classification number: H02P9/00 ,  H02P9/102 ,  H02P2101/30

Abstract: Use of a common electrical power bus to which a number of electrical power generators and consumers are coupled is well known. Typically, a high electrical capacitance is provided across the bus in order to provide stabilisation in the switching of generators and consumer devices as well as differences in the operational performances of the electrical power generators. Particularly in aerospace applications provision of high capacity electrical capacitors creates problems. By providing a feedback control and an electrical power converter take primary electrical power from an electro-mechanical converter associated with a rotating component of a prime mover, electrical power stabilisation is achieved by applying torque changes through the electromechanical converter to the rotating component of the prime mover such that stored electrical power can then be drawn as required to accommodate transients in electrical power on the bus.

Abstract translation: 使用多个发电机和消费者耦合到的公用电力总线是众所周知的。 通常，跨总线提供高电容，以便在发电机和消费者设备的切换中提供稳定性以及发电机的操作性能的差异。 特别是在航空航天应用中提供大容量电容器产生问题。 通过提供反馈控制和电功率转换器从与原动机的旋转部件相关联的机电转换器获取主要电力，通过将机电转换器的扭矩改变应用于主动机的旋转部件来实现电功率稳定 使得存储的电力然后可以根据需要被绘制以适应总线上的电力瞬变。