Altivar 1260 Medium Voltage Drives Page 53 MTBF calculations

MTBF calculations 53 Altivar 1260 MV variable speed drive ! "#" $% %&" '()" ! *+"(,% - ! ." ! $/0(1" ! !! '()" ! *'' *2 *+"(,% - 2*, *' ! &3 43("%1" %""("%1" *("1)" #5(%1" ! #5(1 1" #5("" ! "63(+16 *"16"3(- ,+16 ! 16"33("" "1%("" ! 1"161 ! $ ! 1" !! 1"1(3"3 !"#$+&,-. !"#$ *07.(89 99.9 09.0: '89($.8' /'($'0 ()($() 1"'%$/#( "'%$/#(+&,- 1()($() 1 !"#$ "'%$/#( /'($'0+&,-. ()($()+&,-. 1/'($'0 ! ! ! ") 1"$/$ "$/$+&,-. 1" "+&,-. "$/$ Over 9 years MTBF for 'entire' converter package Power cabinet MTBF is over 22 years!

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