介损测量中高压端取样隔离电路的设计

Design of a high-voltage isolated electric circuit in measuring dielectric loss

介绍了一种在介损测量中应用光脉冲调制解调技术的设计方法 ,利用该方法能低失真地将高压端模拟信号取样隔离传输到低压端测量系统 ,同时给出了高压隔离电路原理图 .这种新颖的隔离电路具有精度高、调试简单、稳定性好。

A design method to apply light impulse modem technology to measure dielectric loss is introduced; the method is used to transmit analog signals from high_voltage side to low_voltage side isolated distortionlessly. The high_voltage isolated schematic diagram is also presented. This new kind of isolated electric circuit has the characteristics of high accuracy, easy adjustment, good stability and reliability.