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    • 1. 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。
    • 2. 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。
    • 4. 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
    • WO2014014642A3
    • 2014-07-17
    • PCT/US2013048854
    • 2013-07-01
    • EATON CORP
    • OLSSON ERIC JONLU BINYAN TINGFREDETTE STEVEN JOHNLUEBKE CHARLES JOHN
    • H02P23/14H02P27/04
    • H02P27/047H02P23/14
    • A system and method for controlling an AC motor drive includes a control system programmed with an algorithm configured to optimize operation of the motor drive. Specifically, the control system is programmed to input an initial voltage-frequency command to the drive. The initial voltage-frequency command includes a voltage reference and a frequency reference corresponding to an operating point of an initial voltage/frequency (V/Hz) curve. The control system monitors a real-time output of the drive, modifies the voltage reference based on the real-time output of the drive, and transmits a modified voltage-frequency command to the drive. The modified voltage-frequency command corresponds to an operating point of a modified V/Hz curve defined by the modified voltage reference and the initial V/Hz curve.
    • 用于控制AC电动机驱动器的系统和方法包括用配置成优化电动机驱动器的操作的算法来编程的控制系统。 具体地,控制系统被编程为向驱动器输入初始电压 - 频率命令。 初始电压 - 频率指令包括对应于初始电压/频率(V / Hz)曲线的工作点的电压基准和频率基准。 控制系统监控驱动器的实时输出,根据驱动器的实时输出修改参考电压,并向驱动器发送修改的电压 - 频率指令。 修改的电压 - 频率指令对应于由修改的电压基准和初始V / Hz曲线定义的修改的V / Hz曲线的工作点。