The principle of phase discrepancy compensation of the tetragonal OCT (Optic Current Transducer) sensor head with dual layer optic circuit is analysed as well as its existing proplem.

• 分析了四角形双层光路光学电流互感器(OCT)传感头的位相差补偿原理及其存在的问题,进而提出了一种结构更为简洁,性能更加优越的光学电流互感器传感头方案;