Electric motor control strategies
    2.
    发明授权
    Electric motor control strategies 有权
    电动机控制策略

    公开(公告)号:US07332884B2

    公开(公告)日:2008-02-19

    申请号:US10893462

    申请日:2004-07-16

    IPC分类号: H02P7/00

    摘要: An electric start system (20) includes a controller (40) that controls operation of a motor (22) used to start a device such as a gas turbine engine (24). In one example, the controller (40) determines when an acceleration rate of the motor (22) is outside of a desired range and dynamically controls the acceleration rate. In another example, the controller (40) determines when the motor (22) is disengaged from the engine (24) and controls a torque reference value to facilitate smoother reengagement. In another example, the controller (40) provides an initial starting torque value that allows for soft starting capabilities of the motor (22).

    摘要翻译: 电启动系统(20)包括控制器(40),其控制用于启动诸如燃气涡轮发动机(24)的装置的电动机(22)的操作。 在一个示例中,控制器(40)确定电动机(22)的加速度何时超出期望范围并且动态地控制加速率。 在另一示例中,控制器(40)确定电动机(22)何时与发动机(24)分离并且控制扭矩参考值以便于更平滑地重新接合。 在另一示例中,控制器(40)提供允许电动机(22)的软启动能力的初始启动扭矩值。

    Power converter for an electric engine start system
    3.
    发明授权
    Power converter for an electric engine start system 有权
    电动发动机启动系统的电源转换器

    公开(公告)号:US07479746B2

    公开(公告)日:2009-01-20

    申请号:US10806635

    申请日:2004-03-23

    IPC分类号: H02P1/54 H02P5/00 H02P5/46

    摘要: An electric engine starting system includes a permanent magnet motor that is used to start the engine and then to generate power for powering a load while the engine is running. A disclosed system includes a first phase controlled rectifier in series with a power converter and a second phase controlled rectifier. During an engine starting operation, the first phase controlled rectifier is switched to couple the permanent magnet motor to a power source for starting the engine. Once the engine is running, the first phase controlled rectifier is switched off and the second phase controlled rectifier is switched on. The second phase control rectifier converts variable AC power from the motor into DC power. The power converter converts the DC power into an appropriate power for driving the load. One disclosed example includes a filter between the power converter and the load to ensure that the load receives a selected quality of power.

    摘要翻译: 电动发动机起动系统包括用于启动发动机,然后在发动机运行时为负载供电的电力的永磁电动机。 所公开的系统包括与功率转换器和第二相控整流器串联的第一相控整流器。 在发动机起动操作期间,第一相控整流器被切换以将永磁电动机耦合到用于启动发动机的电源。 一旦发动机运行,第一相控整流器被断开,第二相控整流器被接通。 第二相控制整流器将来自电动机的可变AC电力转换为直流电力。 电源转换器将直流电源转换为用于驱动负载的适当电源。 一个公开的示例包括功率转换器和负载之间的过滤器,以确保负载接收所选择的功率质量。

    Motor drive for permanent magnet synchronous motor
    5.
    发明授权
    Motor drive for permanent magnet synchronous motor 有权
    永磁同步电动机驱动

    公开(公告)号:US09048767B2

    公开(公告)日:2015-06-02

    申请号:US13356348

    申请日:2012-01-23

    CPC分类号: H02P6/10 H02P21/14 H02P21/22

    摘要: A pulse-width modulation (PWM) inverter controller compensates for harmonics in the output current provided by a PWM inverter to permanent magnet (PM) motor. The PWM inverter controller includes a field-oriented controller (FOC) that monitors output currents provided by the PWM inverter to the PM motor and employs the monitored output currents in a current loop feedback that generates control signals. A harmonic compensator transforms monitored phase currents into rectangular waveforms having magnitudes modified based on detected harmonics within the monitored phase currents to generate compensation signals. The compensation signals generated by the harmonic compensator are summed with the control signals generated by the FOC to generate compensated control signals. A PWM signal generator generates PWM signals for controlling the PWM inverter based on the compensated control signals.

    摘要翻译: 脉冲宽度调制(PWM)逆变器控制器补偿由PWM逆变器提供给永磁(PM)电机的输出电流的谐波。 PWM逆变器控制器包括一个磁场定向控制器(FOC),该控制器监视由PWM逆变器提供给PM电机的输出电流,并在产生控制信号的电流环路反馈中采用监视的输出电流。 谐波补偿器将监视的相电流转换成具有基于检测到的相电流内检测到的谐波修改的幅度的矩形波形,以产生补偿信号。 由谐波补偿器产生的补偿信号与由FOC产生的控制信号相加以产生补偿控制信号。 PWM信号发生器基于经补偿的控制信号产生用于控制PWM逆变器的PWM信号。

    POWER MANAGEMENT AND DISTRIBUTION WITH AUXILIARY DC BUS
    6.
    发明申请
    POWER MANAGEMENT AND DISTRIBUTION WITH AUXILIARY DC BUS 有权
    辅助直流总线的电源管理和分配

    公开(公告)号:US20140028094A1

    公开(公告)日:2014-01-30

    申请号:US13557783

    申请日:2012-07-25

    IPC分类号: H02J1/00 G05F3/08 H01H83/00

    摘要: A power management and distribution (PMAD) system includes a main DC bus, an auxiliary DC bus, a power converter, one or more hybrid solid-state circuit breakers, and a controller. The power converter converts power from the main DC bus to provide a regulated output to the auxiliary bus. Each hybrid SSCB includes a main switch connected between the main DC bus and a load and an auxiliary switch connected between the auxiliary DC bus and the load. The controller selectively turns the main switch and the auxiliary switch On/Off to selectively supply power from the main DC bus and/or the auxiliary DC bus to the load, and to selectively regulate the voltage on the auxiliary DC bus.

    摘要翻译: 电力管理和分配(PMAD)系统包括主DC总线,辅助DC总线,功率转换器,一个或多个混合固态断路器和控制器。 电源转换器将主DC总线的电源转换成辅助总线的稳压输出。 每个混合型SSCB包括连接在主DC总线和负载之间的主开关和连接在辅助DC总线和负载之间的辅助开关。 控制器选择性地将主开关和辅助开关打开/关闭,以选择性地从主DC总线和/或辅助DC总线向负载供电,并选择性地调节辅助DC总线上的电压。

    ELECTRICAL POWER GENERATION AND DISTRIBUTION FAULT MANAGEMENT SYSTEM FOR A VEHICLE
    7.
    发明申请
    ELECTRICAL POWER GENERATION AND DISTRIBUTION FAULT MANAGEMENT SYSTEM FOR A VEHICLE 审中-公开
    电力发电和分配故障管理系统

    公开(公告)号:US20130325366A1

    公开(公告)日:2013-12-05

    申请号:US13485983

    申请日:2012-06-01

    IPC分类号: G06F19/00

    摘要: An electric power system includes multiple components that include a generator, a rectifier and a power management and distribution center. Multiple sensors are configured to provide actual responses relating to each of the components. Multiple simulation models are configured to simulate responses of each of the components, and multiple comparators are configured to compare the actual responses to the simulated responses and provide compared values. A diagnostic module is in communication with the comparators and is configured to determine at least one fault in each of the components.

    摘要翻译: 电力系统包括多个组件,包括发电机,整流器和电力管理和配电中心。 多个传感器被配置为提供与每个组件有关的实际响应。 多个仿真模型被配置为模拟每个组件的响应,并且配置多个比较器来比较对仿真响应的实际响应并提供比较值。 诊断模块与比较器通信,并且被配置为确定每个组件中的至少一个故障。

    CURRENT CONTROL FOR AN ELECTRIC ACTUATOR
    8.
    发明申请
    CURRENT CONTROL FOR AN ELECTRIC ACTUATOR 有权
    电动执行机构的电流控制

    公开(公告)号:US20130307447A1

    公开(公告)日:2013-11-21

    申请号:US13475209

    申请日:2012-05-18

    IPC分类号: H02P21/00

    摘要: A controller for an electric actuator includes a reference model that generates position and speed reference signals in response to a position command signal and employs a feed forward model that accounts for dynamic loading of the electric actuator. The feed forward model receives the position and speed reference signals provided by the reference model, and in response generates feed forward signals that account for mechanical characteristics of the electric actuator.

    摘要翻译: 用于电致动器的控制器包括参考模型,该参考模型响应于位置指令信号产生位置和速度参考信号,并且采用考虑到电致动器的动态加载的前馈模型。 前馈模型接收由参考模型提供的位置和速度参考信号,并且响应于产生考虑到电致动器的机械特性的前馈信号。

    Systems and methods involving electrical start and power generation
    9.
    发明授权
    Systems and methods involving electrical start and power generation 有权
    涉及电力起动和发电的系统和方法

    公开(公告)号:US08581425B2

    公开(公告)日:2013-11-12

    申请号:US12910221

    申请日:2010-10-22

    IPC分类号: H02P9/00

    摘要: A power generation system includes a prime mover, a generator mechanically connected to the prime mover, the generator including a field winding portion and an armature winding portion, a direct current bus node, a first variable frequency drive having an input electrically connected to the bus node and an output electrically connected to the armature winding portion, and an inverter having an input electrically connected to the bus node and an output electrically connected to the field winding portion.

    摘要翻译: 发电系统包括原动机,机械地连接到原动机的发电机,发电机包括励磁绕组部分和电枢绕组部分,直流总线节点,具有电连接到总线的输入的第一变频驱动器 节点和电连接到电枢绕组部分的输出,以及具有电连接到总线节点的输入端和与场绕组部分电连接的输出的反相器。

    SYSTEM AND METHOD FOR CONTROLLING SOLID STATE CIRCUIT BREAKERS
    10.
    发明申请
    SYSTEM AND METHOD FOR CONTROLLING SOLID STATE CIRCUIT BREAKERS 有权
    用于控制固态断路器的系统和方法

    公开(公告)号:US20130221941A1

    公开(公告)日:2013-08-29

    申请号:US13404522

    申请日:2012-02-24

    IPC分类号: G05F1/10

    摘要: A system for controlling a solid state circuit breaker comprises a solid state power switch, and a controller for providing a gate voltage to the power switch. During turnoff of the solid state power switch, the controller reduces the gate voltage to an intermediate level for a specified time period and then reduces the gate voltage to a turnoff level.

    摘要翻译: 用于控制固态断路器的系统包括固态电源开关和用于向电源开关提供栅极电压的控制器。 在固态电源开关的关断期间,控制器将栅极电压降低到中间电平达指定的时间段,然后将栅极电压降低到关断电平。