1Ning Y N, Wang Z P, Palmer A W. Recent progress in optical current sensing technique[J]. Rev Sci Instrum. 1995; 66(5): 3097-3111.
2Kobayashi S, Horide A, Takagi I, et al. Development and field test evaluation of optical current and voltage transduer for gas insulated sweacher[J]. IEEE trans on Power Delivery, 1992; 7(2): 815-821.
3Type OMU optical metering unit[Z]. ABB Power Transmission, May 2000, 38-454.