Umehluko Phakathi Kwesistimu Yedrayivu Eqondile Yamanje Nokushintshana Yamanje Ye-Drilling Rig Electric Drive
Uhlelo lokulawula ugesi wePetroleum luvamise ukuhlukaniswa izigaba ezimbili, okukodwa kuyi-DC (Direct Current), esetshenziselwa ukushayela i-DC motor, i-SCR kuphela (i-silicon control rectifier) kafushane. Okunye okokusebenza kwe-AC (Alternating Current), ebisetshenziselwa ukushayela...
buka imininingwane