High voltage DC power conversion system and method of operating the same
    13.
    发明授权
    High voltage DC power conversion system and method of operating the same 有权
    高压直流电源转换系统及其运行方法

    公开(公告)号:US09407157B2

    公开(公告)日:2016-08-02

    申请号:US14026737

    申请日:2013-09-13

    Abstract: A fraction rated conversion system for coupling a plurality of high voltage direct current (HVDC) power strings in parallel to an HVDC transmission system includes at least one fraction rated power converter coupled to the plurality of HVDC power strings and at least one capacitive device coupled to the at least one fraction rated power converter. The at least one fraction rated power converter and the at least one capacitive device regulate a differential voltage across each HVDC power string of the plurality of HVDC power strings to be substantially similar to each other.

    Abstract translation: 用于将多个高压直流(HVDC)功率串并联连接到HVDC传输系统的分数额定转换系统包括耦合到多个HVDC功率串的至少一个分数额定功率转换器和耦合到 至少一个分数额定功率转换器。 所述至少一个分数额定功率转换器和所述至少一个电容性装置调节所述多个HVDC功率串中的每个HVDC功率串的差分电压基本上彼此相似。

    SYSTEM AND METHOD FOR POWER CONVERSION
    14.
    发明申请
    SYSTEM AND METHOD FOR POWER CONVERSION 审中-公开
    用于功率转换的系统和方法

    公开(公告)号:US20150131328A1

    公开(公告)日:2015-05-14

    申请号:US14074778

    申请日:2013-11-08

    Abstract: A power conversion system is presented. The system includes a power source coupled to a power converter and a controller. The controller is configured to determine a value of at least one parameter corresponding to the power source. Additionally, the controller is configured to provide a first portion of the at least one parameter to the power converter and modify an operating frequency of the power converter, duty ratio of the power converter, or a combination thereof. Furthermore, the controller is configured to obtain an electrical quantity at an output of the power converter based on the modified operating frequency, the modified duty ratio, or a combination thereof. Also, the controller is configured to deliver a combination of the electrical quantity obtained at the output of the power converter and a second portion of the at least one parameter to a load. Method for converting power is also presented.

    Abstract translation: 介绍了电力转换系统。 该系统包括耦合到功率转换器和控制器的电源。 控制器被配置为确定与电源对应的至少一个参数的值。 此外,控制器被配置为向功率转换器提供至少一个参数的第一部分,并修改功率转换器的工作频率,功率转换器的占空比或其组合。 此外,控制器被配置为基于修改的操作频率,修改的占空比或其组合来获得功率转换器的输出处的电量。 此外,控制器被配置为将在功率转换器的输出处获得的电量和至少一个参数的第二部分的组合传递给负载。 还介绍了转换功率的方法。

    OVER-VOLTAGE PROTECTION OF GALLIUM NITRIDE SEMICONDUCTOR DEVICES
    15.
    发明申请
    OVER-VOLTAGE PROTECTION OF GALLIUM NITRIDE SEMICONDUCTOR DEVICES 有权
    氮化镓半导体器件的过电压保护

    公开(公告)号:US20150001551A1

    公开(公告)日:2015-01-01

    申请号:US13931363

    申请日:2013-06-28

    Abstract: A monolithically integrated semiconductor assembly is presented. The semiconductor assembly includes a substrate including silicon carbide (SiC), and gallium nitride (GaN) semiconductor device is fabricated on the substrate. The semiconductor assembly further includes at least one transient voltage suppressor (TVS) structure fabricated in or on the substrate, wherein the TVS structure is in electrical contact with the GaN semiconductor device. The TVS structure is configured to operate in a punch-through mode, an avalanche mode, or combinations thereof, when an applied voltage across the GaN semiconductor device is greater than a threshold voltage. Methods of making a monolithically integrated semiconductor assembly are also presented.

    Abstract translation: 提出了一种单片集成半导体组件。 半导体组件包括包含碳化硅(SiC)的衬底,并且在衬底上制造氮化镓(GaN)半导体器件。 半导体组件还包括在衬底中或衬底上制造的至少一个瞬态电压抑制器(TVS)结构,其中TVS结构与GaN半导体器件电接触。 当跨越GaN半导体器件的施加电压大于阈值电压时,TVS结构被配置为以穿通模式,雪崩模式或其组合工作。 还提出了制造单片集成半导体组件的方法。

    Power conversion system and method of operating the same

    公开(公告)号:US10256732B2

    公开(公告)日:2019-04-09

    申请号:US14885675

    申请日:2015-10-16

    Abstract: A medium voltage direct current (MVDC) collector system for renewable power generation facilities includes at least one renewable energy generation device. The MVDC collector system also includes at least one direct current (DC)-to-DC (DC/DC) power converter coupled to the at least one renewable energy generation device. The at least one DC/DC power converter is configured to shift a switching operation of the DC/DC power converter between full-wave conversion and half-wave conversion. The MVDC collector system further includes at least one controller coupled to the at least one DC/DC power converter. The at least one controller is configured to regulate shifting the switching operation of the at least one DC/DC power converter between full-wave conversion and half-wave conversion.

    System and method for aircraft power management

    公开(公告)号:US10202206B2

    公开(公告)日:2019-02-12

    申请号:US14560555

    申请日:2014-12-04

    Abstract: A method implemented using at least one of the processor includes disposing a power source on a vehicle, wherein the power source is configured to power auxiliary loads of the aircraft. The method also includes connecting a power source disposed on a vehicle configured to engage an aircraft for ground operation, to auxiliary loads of the aircraft via an on-board power system. The method also includes performing energy management of the aircraft during the period of ground operation. The method further includes disconnecting the power source when an alternate electrical power is available to the on-board power system.

    Semiconductor assembly and method of manufacture

    公开(公告)号:US09997507B2

    公开(公告)日:2018-06-12

    申请号:US13950736

    申请日:2013-07-25

    CPC classification number: H01L27/0248 H01L2924/0002

    Abstract: A monolithically integrated semiconductor assembly is presented. The semiconductor assembly includes a substrate including silicon (Si), and gallium nitride (GaN) semiconductor device is fabricated on the substrate. The semiconductor assembly further includes at least one transient voltage suppressor (TVS) structure fabricated in or on the substrate, wherein the TVS structure is in electrical contact with the GaN semiconductor device. The TVS structure is configured to operate in a punch-through mode, an avalanche mode, or combinations thereof, when an applied voltage across the GaN semiconductor device is greater than a threshold voltage. Methods of making a monolithically integrated semiconductor assembly are also presented.

    SYSTEM AND METHOD FOR INTEGRATING ENERGY STORAGE INTO MODULAR POWER CONVERTER

    公开(公告)号:US20170163043A1

    公开(公告)日:2017-06-08

    申请号:US14960729

    申请日:2015-12-07

    Abstract: A system for integrating energy storage into a modular power converter includes at least one energy storage unit coupled to a first converter for converting a first direct current (DC) voltage of the at least one energy storage unit into a first high frequency alternating current (AC) voltage. At least three phase legs of the modular power converter generate three phase AC voltages. Each phase leg includes a plurality of switching modules connected in series. The switching modules have a plurality of fully controllable semiconductor switches, an energy storage device, and a second converter coupled to the respective energy storage device for converting a second DC voltage of the energy storage device into a second high frequency AC voltage. In the system, three similarly positioned switching modules of the three phase legs form one power unit. Further, a high frequency transformer is provided which has at least one primary winding connected to the first converter and at least three secondary windings, each connected to the second converter of each of the three similarly positioned switching modules. A controller is configured to regulate at least one electrical parameter of the modular power converter.

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