ABB Softstartéry - opravy, náhradní díly (EN)

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Vydal: ABB s.r.o, ELSYNN Autor: ABB ELSYnn

Strana 23 z 79







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. ♦Mount the front cover.. ♦Remove the front cover. ♦Disconnect all cable from the terminals.. ♦Discharge the tools and yourselfby touching earth. ♦Mount the electrical connection the thyristors..MCC95 3,0 3,0 1 SKKT132.SKKT330 MCC225..MCC312 3,0 9,0 3 SKKT500 MCC500 3,0Nm 12,0 4 -..SKKT172 MCC132.... ♦Disconnect the thyristors. ♦Disconnect the electrical connection the thyristors.. Ready for start!! Picture Picture Picture Picture 4 Semikron Thyristor IXYS Mounting torque Terminal connection torque Picture SKKT27. ♦Disconnect the voltage from terminals 1L1, 3L2, and 5L3 (main supply).. ♦Mount the new thyristors (Use the torque the table). ♦Clean the contact surface the heat sink and modules with Ethanol.Step step. ♦Connect the voltage and the other cable..SKKT92 MCC26. Too much compound between module and heat sink will give bad thermal conduction and cause risk overheating the thyristors.MCC162 3,0 5,0 2 SKKT210. Use lint-free cloth (paper linen cloth) ♦A very thin layer ofheat transfer compound shall put the contact surfaces of the modules with lint-free cloth