8Lin Dingsheng,Fuchs EF.Real-time monitoring of iron-core and Copper losses of transformers under(non) sinusoidal operation[J].IEEE Transactions on Power Delivery,2006,21(2):1333-1341.
9Du Lin,Wang Caisheng,Li Xianzhi,et al.A novel power supply of online monitoring systems for power transmission lines[J].IEEE Transactions on Industrial Electronics,2010,57(8):2889-2895.