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发明公开
CN104698421A 电子式电流互感器暂态传变延时时间测量装置及测量方法 无效 - 撤回

电子式电流互感器暂态传变延时时间测量装置及测量方法
摘要：
本发明公开了一种电子式电流互感器暂态传变延时时间测量装置及测量方法，包括信号调理模块、光纤信号收发器、模数转换模块、高精度恒温晶振模块、现场可编程门阵列、微处理器和显示模块，信号调理模块的信号输入端用于输入标准源信号，信号调理模块的信号输出端通过模数转换模块连接现场可编程门阵列的第一信号输入端，现场可编程门阵列的第二信号输入端连接光纤信号收发器的发送端，光纤信号收发器的接收端用于连接被测源信号，现场可编程门阵列的信号传输端连接微处理器，微处理器连接显示模块，高精度恒温晶振模块分别连接模数转换模块、现场可编程门阵列和微处理器。
摘要（英）：

The invention discloses an electronic current transformer transient transformation delay time measuring device and method. The device comprises a signal conditioning module, an optical signal transceiver, an analog-to-digital conversion module, a high-precision constant-temperature crystal oscillator module, a field programmable gate array, a microprocessor and a display module, wherein the signal input end of the signal conditioning module is used for inputting a standard source signal, the signal output end of the signal conditioning module is connected with the first signal input end of the field programmable gate array through the analog-to-digital conversion module, the second signal input end of the field programmable gate array is connected with the transmitting end of the optical signal transceiver, the receiving end of the optical fiber transceiver is used for being connected with a to-be-measured source signal, the signal transmitting end of the field programmable gate array is connected with the microprocessor, the microprocessor is connected with the display module, and the high-precision constant-temperature crystal oscillator module is respectively connected with the analog-to-digital conversion module, the field programmable gate array and the microprocessor.

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