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    • 3. 发明申请
    • APPARATUS FOR DIAGNOSING DC-DC CONVERTER AND METHOD THEREOF
    • 用于诊断DC-DC转换器的方法及其方法
    • US20110316524A1
    • 2011-12-29
    • US12959769
    • 2010-12-03
    • Sung Kyu KimJaewon LeeTae Hwan ChungKi Jong LeeJong Kyung Lim
    • Sung Kyu KimJaewon LeeTae Hwan ChungKi Jong LeeJong Kyung Lim
    • G01R19/18
    • G01R31/40H02M1/32
    • A diagnosis device and method of a voltage transformer can include a current transformer disposed at one side of an output port for generating a current variation according to an on/off operation of a power switch element; a first current detector configured to detect a forward direction current from the current transformer; a second current detector configured to detect a reverse direction current from the current transformer; a first voltage transformer configured to transform the forward direction current detected from the first current detector to a forward direction voltage; a second voltage transformer configured to transform the reverse direction current detected from the second current detector to a reverse direction voltage; and a diagnosis portion for comparing the forward direction voltage with the reverse direction voltage to determine whether or not an offset is formed.
    • 电压互感器的诊断装置和方法可以包括设置在输出端口一侧的电流互感器,用于根据功率开关元件的接通/断开操作产生电流变化; 第一电流检测器,被配置为检测来自电流互感器的正向电流; 第二电流检测器,被配置为检测来自电流互感器的反向电流; 第一电压变压器,被配置为将从第一电流检测器检测到的正向电流变换为正向电压; 被配置为将从第二电流检测器检测的反向电流变换为反向电压的第二电压互感器; 以及诊断部分,用于将正向电压与反向电压进行比较,以确定是否形成偏移。
    • 4. 发明授权
    • Apparatus for diagnosing DC-DC converter and method thereof
    • 用于诊断DC-DC转换器的装置及其方法
    • US08587291B2
    • 2013-11-19
    • US12959769
    • 2010-12-03
    • Sung Kyu KimJaewon LeeTae Hwan ChungKi Jong LeeJong Kyung Lim
    • Sung Kyu KimJaewon LeeTae Hwan ChungKi Jong LeeJong Kyung Lim
    • G01R19/18
    • G01R31/40H02M1/32
    • A diagnosis device and method of a voltage transformer can include a current transformer disposed at one side of an output port for generating a current variation according to an on/off operation of a power switch element; a first current detector configured to detect a forward direction current from the current transformer; a second current detector configured to detect a reverse direction current from the current transformer; a first voltage transformer configured to transform the forward direction current detected from the first current detector to a forward direction voltage; a second voltage transformer configured to transform the reverse direction current detected from the second current detector to a reverse direction voltage; and a diagnosis portion for comparing the forward direction voltage with the reverse direction voltage to determine whether or not an offset is formed.
    • 电压互感器的诊断装置和方法可以包括设置在输出端口一侧的电流互感器,用于根据功率开关元件的接通/断开操作产生电流变化; 第一电流检测器,被配置为检测来自电流互感器的正向电流; 第二电流检测器,被配置为检测来自电流互感器的反向电流; 第一电压变压器,被配置为将从第一电流检测器检测到的正向电流变换为正向电压; 被配置为将从第二电流检测器检测的反向电流变换为反向电压的第二电压互感器; 以及诊断部分,用于将正向电压与反向电压进行比较,以确定是否形成偏移。