共 2 条
[1]
An Experimental Analysis of DC Excitation of Transformers by Geomagnetically Induced Currents. N. Takasu,T. Oshi,F. Miyawaki,et al. IEEE Transactions on Power Delivery . 1994
[2]
Study of the Acceptable DC Current Limit in Core_form Power Transformers. P. Picher,L. Bolduc,A. Dutil,et al. IEEE Transactions on Power Delivery . 1997

