▁ 2 ▁and ▁ 3 ▁began ▁to ▁cause ▁problems ▁and ▁break ▁down ▁constantly , ▁and ▁in ▁ 1 9 3 4 ▁a ▁request ▁was ▁issued ▁to ▁purchase ▁and ▁license ▁the ▁installation ▁of ▁two ▁gener ators ▁of ▁the ▁same ▁brand ▁but ▁with ▁double ▁the ▁capacity . ▁It ▁was ▁the ▁end ▁of ▁ 1 9 3 5 ▁when ▁the ▁new ▁tur bo - altern ator ▁number ▁ 2 ▁was ▁installed ▁and ▁inaugur ated ; ▁it ▁was ▁also ▁at ▁this ▁time ▁that ▁installation ▁of ▁the ▁new ▁voltage ▁transformation ▁equipment ▁was ▁concluded , ▁allowing ▁the ▁Te jo ▁Power ▁Station ' s ▁subst ation ▁to ▁supply ▁the ▁Lis bon ▁and ▁Te jo ▁Valley ▁region ▁all ▁the ▁way ▁to ▁Sant ar ém . ▁At ▁the ▁end ▁of ▁the ▁following ▁year , ▁generator ▁number ▁ 3 ▁was ▁also ▁replaced . ▁ ▁The ▁installation ▁of ▁new ▁generating ▁sets ▁with ▁greater ▁capacity ▁made ▁it ▁almost ▁mand atory ▁to ▁set ▁up ▁the ▁first ▁high ▁pressure ▁bo ilers ▁( numbers ▁ 1 2 , ▁ 1 3 ▁and ▁ 1 4 ) ▁in ▁order ▁to ▁use ▁the ▁capacity ▁provided ▁by ▁the ▁tur bo - altern ator ▁sets ▁more ▁efficiently ▁due ▁to ▁the ▁greater ▁power ▁the ▁steam ▁from ▁the ▁new ▁bo ilers ▁produced . ▁The ▁bo ilers ▁were ▁once ▁again ▁ordered ▁from ▁manufact urer ▁Bab cock ▁& ▁Wil co x , ▁and ▁their ▁large ▁size ▁dict ated ▁the ▁construction ▁of ▁the ▁largest ▁building ▁in ▁the ▁industrial ▁complex , ▁the ▁High ▁Press ure ▁Bo iler ▁Building . ▁ ▁In ▁ 1 9 3 8 , ▁dis