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In the present work, we have compared different linear methods to estimate the Electron Bernstein Current Drive (EBCD). The expressions for the current drive efficiency have been plugged to the ray tracing code TRUBA, which was used in previous works for EBW heating studies in the TJ-II stellarator. This device is taken here as an example for this comparison. The driven current is calculated for different densities and temperatures, as well as launching directions of the heating beam, which isdoi:10.1088/0741-3335/52/6/065007 fatcat:qrm4t4mrknc2lcer54cxjgxwey