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    • 3. 发明授权
    • System and method for monitoring the state of health of a power electronic system
    • 监测电力电子系统健康状况的系统和方法
    • US08380451B2
    • 2013-02-19
    • US12502358
    • 2009-07-14
    • Chingchi ChenZhenxian LiangMichael W. Degner
    • Chingchi ChenZhenxian LiangMichael W. Degner
    • G01R15/00G01R31/00G01R31/02
    • G01R31/42H02P29/64
    • A system and method for monitoring the state of health of a power electronic system. Data representing an initial expected temperature of the circuit element and an initial value of an electrical parameter of the circuit element is obtained. An electrical pulse is applied to the circuit element to heat the circuit element. After the electrical pulse decays to a predetermined value, the electrical parameter of the circuit element is sensed and a subsequent value of the electrical parameter is obtained. A subsequent temperature of the circuit element is estimated based on the initial expected temperature of the circuit element, the initial and subsequent values of the electrical parameter, and the predetermined value of the electrical pulse. Based on the subsequent temperature, the signal that indicates whether the circuit element is operating as expected is generated.
    • 一种用于监测电力电子系统的健康状况的系统和方法。 获得表示电路元件的初始预期温度的数据和电路元件的电参数的初始值。 对电路元件施加电脉冲以加热电路元件。 在电脉冲衰减到预定值之后,检测电路元件的电参数,并获得电参数的后续值。 基于电路元件的初始预期温度,电参数的初始值和后续值以及电脉冲的预定值来估计电路元件的后续温度。 基于随后的温度,产生指示电路元件是否按预期运行的信号。
    • 10. 发明申请
    • SYSTEM AND METHOD FOR MONITORING THE STATE OF HEALTH OF A POWER ELECTRONIC SYSTEM
    • 用于监测电力系统健康状况的系统和方法
    • US20110015881A1
    • 2011-01-20
    • US12502358
    • 2009-07-14
    • Chingchi ChenZhenxian LiangMichael W. Degner
    • Chingchi ChenZhenxian LiangMichael W. Degner
    • G01R31/00
    • G01R31/42H02P29/64
    • A system and method for monitoring the state of health of a power electronic system. Data representing an initial expected temperature of the circuit element and an initial value of an electrical parameter of the circuit element is obtained. An electrical pulse is applied to the circuit element to heat the circuit element. After the electrical pulse decays to a predetermined value, the electrical parameter of the circuit element is sensed and a subsequent value of the electrical parameter is obtained. A subsequent temperature of the circuit element is estimated based on the initial expected temperature of the circuit element, the initial and subsequent values of the electrical parameter, and the predetermined value of the electrical pulse. Based on the subsequent temperature, the signal that indicates whether the circuit element is operating as expected is generated.
    • 一种用于监测电力电子系统的健康状况的系统和方法。 获得表示电路元件的初始预期温度的数据和电路元件的电参数的初始值。 对电路元件施加电脉冲以加热电路元件。 在电脉冲衰减到预定值之后,检测电路元件的电参数,并获得电参数的后续值。 基于电路元件的初始预期温度,电参数的初始值和后续值以及电脉冲的预定值来估计电路元件的后续温度。 基于随后的温度,产生指示电路元件是否按预期运行的信号。