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    • 2. 发明授权
    • Transformer failure analysis system
    • 变压器故障分析系统
    • US08488284B2
    • 2013-07-16
    • US13042521
    • 2011-03-08
    • Chien-Lung ChengShyi-Ching ChernJim-Chwen YehYi-Hung LanChen-Chang Yang
    • Chien-Lung ChengShyi-Ching ChernJim-Chwen YehYi-Hung LanChen-Chang Yang
    • H02H7/04
    • H02H7/04
    • A transformer failure analysis system using a programmable chip in conjunction with a shock response spectrum analysis method to distinguish inrush current and fault current of a transformer and to monitor the phase of an AC power source inputting to the transformer by a phase detector. When an inrush current occurs, the programmable chip provides a control signal to delay the phase of the AC power source being inputted into the transformer, thereby suppressing the occurrence of the inrush current. When a fault current occurs, the control signal cuts off the AC power source from the transformer until the operator has tested the whole circuit architecture to debug and correct circuit application and eliminated the internal fault.
    • 一种变压器故障分析系统,使用可编程芯片与冲击响应频谱分析方法,以区分变压器的浪涌电流和故障电流,并通过相位检测器监测输入到变压器的交流电源的相位。 当发生浪涌电流时,可编程芯片提供控制信号以延迟输入到变压器中的交流电源的相位,从而抑制浪涌电流的发生。 当发生故障电流时,控制信号切断变压器的交流电源,直到操作员测试整个电路架构来调试和纠正电路应用,并消除了内部故障。