WE WERE PART OF THE MODERNIZATION PROJECT OF THE CFE EL FLORIDO SUBSTATION, IN TIJUANA B.C., OUR TEAM WAS IN CHARGE OF RECEIVING AND REVIEWING IN DETAIL A NEW TRANSFORMER OF 20MVA AND PRIMARY VOLTAGE OF 115KV, INSTALLING IT AND LEAVING IT IN OPTIMAL CONDITIONS FOR ITS CORRECT OPERATION PERFORMING VARIOUS TESTS LIKE; POWER FACTOR, WINDING RESISTANCE, EXCITATION CURRENT, OIL TESTS, RESISTIVITY, CHROMATOGRAPHY, AMONG OTHERS.