【摘要】 提出了基于TMS320LF2407DSP的一种新型数字绝缘测试仪的设计及实现,本测试仪不仅可以测量高压电气设备的介质损耗因数,也可实现MOA避雷器泄漏电流测量。本设计方案中采用14位高速AD芯片MAX125进行3通道同时采样,用TMS320LF2407进行512点FFT运算,具有高精度,高可靠性的特点。更多还原

【Abstract】 A novel digital meter of insulation parameters based on TMS320LF2407 DSP is presented in this paper.The meter is not only used for detecting the dielectric loss of the electric equipments,but also used for measuring the leakage current of MOA.It contains a 14-bit,high-speed,analog-to-digital converter MAX125 which carries out 3 channels simultaneous-sampling and TMS320LF2407 DSP which performs 512 points FFT transformation,the analysis system has higher performance-to-precision and reliability.更多还原