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    • 1. 发明申请
    • SYSTEM AND METHOD OF DYNAMIC REGULATION OF REAL POWER TO A LOAD
    • 动力调节到负载的系统和方法
    • WO2010144308A3
    • 2012-06-07
    • PCT/US2010037352
    • 2010-06-04
    • EATON CORPLU BINYAN TINGFREDETTE STEVENLUEBKE CHARLES
    • LU BINYAN TINGFREDETTE STEVENLUEBKE CHARLES
    • H02P23/14H02P23/00H02P23/02
    • H02P23/02H02P23/0077H02P23/14H02P27/047
    • A system and method for controlling an AC motor drive includes a control system programmed with an energy algorithm configured to optimize operation of the motor drive. Specifically, the control system input an initial voltage-frequency command to the AC motor drive based on an initial voltage/frequency (V/Hz) curve, receives a real-time output of the AC motor drive generated according to the initial voltage-frequency command, and feedback a plurality of modified voltage-frequency commands to the AC motor drive, each of the plurality of modified voltage-frequency commands comprising a deviation from the initial V/Hz curve. The control system also determines a real-time value of the motor parameter corresponding to each of the plurality of modified voltage- frequency commands, and feeds back a modified voltage-frequency command to the AC motor drive so that the real-time value of the motor parameter is within a motor parameter tolerance range.
    • 用于控制AC电动机驱动器的系统和方法包括用能够优化电动机驱动器的操作的能量算法编程的控制系统。 具体地说,控制系统基于初始电压/频率(V / Hz)曲线向AC电动机驱动器输入初始电压 - 频率指令,接收根据初始电压 - 频率产生的交流电动机驱动的实时输出 命令,并且向AC电动机驱动器反馈多个修改的电压 - 频率命令,所述多个修改的电压 - 频率指令中的每一个包括与初始V / Hz曲线的偏差。 控制系统还确定与多个修改的电压 - 频率指令中的每一个相对应的电机参数的实时值,并将修改的电压 - 频率命令反馈给AC电动机驱动器,使得实时值 电机参数在电机参数公差范围内。
    • 3. 发明申请
    • SYSTEM AND METHOD OF SPEED DETECTION IN AN AC INDUCTION MACHINE
    • 交流感应电机的速度检测系统及方法
    • WO2011158099A3
    • 2012-08-23
    • PCT/IB2011001344
    • 2011-06-15
    • EATON CORPLU BINSHARMA SANTOSH KYAN TINGDIMINO STEVEN A
    • LU BINSHARMA SANTOSH KYAN TINGDIMINO STEVEN A
    • G01P3/46G01P3/48G01P3/489H02P23/14
    • H02P27/047G01P3/48G01P3/489H02P21/18H02P23/14
    • A system and method for detenriining rotor speed of an AC induction machine is disclosed. The system is programmed to estimate a rotor speed of the induction machine according to a linear speed estimation algorithm and based on name plate information (NPI) of the induction machine and parameters of the AC induction machine during operation thereof. The rotor speed estimation system is also programmed to estimate a rotor speed of the AC induction machine according to a frequency-domain signal processing algorithm and determine if the rotor speed estimated thereby is valid. If the rotor speed estimated by the frequency-domain signal processing algorithm is valid, then a tuned rotor speed of the AC induction machine is estimated according to the linear speed estimation algorithm and based, in part, on the rotor speed estimated by the frequency-domain signal processing algorithm.
    • 公开了一种用于确定AC感应电机转子转速的系统和方法。 该系统被编程为根据线速度估计算法并且基于感应电动机的铭牌信息(NPI)以及在其运行期间的AC感应电机的参数来估计感应电机的转子速度。 转子速度估计系统还被编程为根据频域信号处理算法估计AC感应电机的转子速度,并且确定由此估计的转子速度是否有效。 如果通过频域信号处理算法估计的转子速度有效,则根据线速度估计算法估计交流感应电机的调谐转子速度,部分基于由频域信号处理算法估计的转子速度, 域信号处理算法。
    • 4. 发明申请
    • SYSTEM AND METHOD FOR DETERMINING STATOR WINDING RESISTANCE IN AN AC MOTOR USING MOTOR DRIVES
    • 使用电机驱动的交流电机中确定定子绕组电阻的系统和方法
    • WO2010086729A3
    • 2011-11-24
    • PCT/IB2010000175
    • 2010-01-29
    • EATON CORPLU BINHABETLER THOMAS GZHANG PINJIA
    • LU BINHABETLER THOMAS GZHANG PINJIA
    • H02P21/14H02H7/08H02P23/14
    • H02P21/141H02P21/16
    • A system and method for determining the stator winding resistance of AC motors is provided. The system includes an AC motor drive having an input connectable to an AC source and an output connectable to an input terminal of an AC motor, a pulse width modulation (PWM) converter having switches therein to control current flow and terminal voltages in the AC motor, and a control system connected to the PWM converter. The control system generates a command signal to cause the PWM converter to control an output of the AC motor drive corresponding to an input to the AC motor, selectively generates a modified command signal to cause the PWM converter to inject a DC signal into the output of the AC motor drive, and determines a stator winding resistance of the AC motor based on the DC signal of at least one of the voltage and current.
    • 提供了一种用于确定交流电动机的定子绕组电阻的系统和方法。 该系统包括具有可连接到AC电源的输入端的AC电动机驱动器和可连接到AC电动机的输入端子的输出端,其中具有开关的脉宽调制(PWM)转换器,用于控制AC电动机中的电流和端电压 以及连接到PWM转换器的控制系统。 控制系统产生一个命令信号,使PWM转换器控制对应于AC电动机输入的交流电动机驱动的输出,选择性地产生修改的指令信号,使PWM转换器将DC信号注入到 AC电动机驱动器,并且基于电压和电流中的至少一个的DC信号来确定AC电动机的定子绕组电阻。
    • 5. 发明申请
    • SYSTEM AND METHOD FOR MOTOR FAULT DETECTION USING STATOR CURRENT NOISE CANCELLATION
    • 使用定常电流噪声消除进行电机故障检测的系统和方法
    • WO2010079415A3
    • 2010-09-02
    • PCT/IB2010000012
    • 2010-01-07
    • EATON CORPZHOU WEILU BINNOWAK MICHAEL PDIMINO STEVEN A
    • ZHOU WEILU BINNOWAK MICHAEL PDIMINO STEVEN A
    • G01R31/34G05B23/02
    • G01R31/343
    • A system and method for detecting incipient mechanical motor faults by way of current noise cancellation is disclosed. The system includes.a controller configured to detect indicia of incipient mechanical motor faults. The controller further includes a processor programmed to receive a baseline set of current data from an operating motor and define a noise component in the baseline set of current data. The processor is also programmed to acquire at least on additional set of real-time operating current data from the motor during operation, redefine the noise component present in each additional set of real-time operating current data, and remove the noise component from the operating current data in real-time to isolate any fault components present in the operating current data. The processor is then programmed to generate a fault index for the operating current data based on any isolated fault components.
    • 公开了一种通过电流噪声消除来检测初始机械电机故障的系统和方法。 该系统包括一个控制器,用于检测初始机械电机故障的指示。 控制器还包括处理器,其被编程为从操作马达接收基线组的当前数据,并且定义当前数据的基线组中的噪声分量。 处理器还被编程为在运行期间至少从电动机获取附加的一组实时工作电流数据,重新定义每个额外的一组实时工作电流数据中存在的噪声分量,并从操作中去除噪声分量 当前数据实时隔离操作当前数据中存在的任何故障组件。 然后处理器被编程为基于任何隔离的故障组件为工作电流数据生成故障索引。
    • 7. 发明申请
    • SYSTEM AND METHOD TO DETERMINE ELECTRIC MOTOR EFFICIENCY NONINTRUSIVELY
    • 确定电机效率非系统性的系统和方法
    • WO2009038832A3
    • 2009-05-14
    • PCT/US2008065628
    • 2008-06-03
    • EATON CORPLU BINHABETLER THOMASHARLEY RONALD
    • LU BINHABETLER THOMASHARLEY RONALD
    • G01R31/34
    • G01R31/343H02P23/14
    • A system and method for nonintrusively determining electric motor efficiency includes a processor programmed to, while the motor is in operation, determine a plurality of stator input currents, electrical input data, a rotor speed, a value of stator resistance, and an efficiency of the motor based on the determined rotor speed, the value of stator resistance, the plurality of stator input currents, and the electrical input data. The determination of the rotor speed is based on one of the input power and the plurality of stator input currents. The determination of the value of the stator resistance is based on at least one of a horsepower rating and a combination of the plurality of stator input currents and the electrical input data. The electrical input data includes at least one of an input power and a plurality of stator input voltages.
    • 用于非侵入性地确定电动机效率的系统和方法包括:处理器,被编程为在电动机处于运行状态时,确定多个定子输入电流,电输入数据,转子速度,定子电阻值,以及 基于确定的转子速度,定子电阻的值,多个定子输入电流和电输入数据。 转子速度的确定基于输入功率和多个定子输入电流之一。 定子电阻的值的确定基于马力额定值和多个定子输入电流和电输入数据的组合中的至少一个。 电输入数据包括输入功率和多个定子输入电压中的至少一个。