DUTY CYCLE

Q.

DUTY CYCLE

In the new Technical Specification (Rev 1.2):
• the Maximum time between intervention and restart of operation is now 120 min (Table 33, Table 34)
• the Duty Cycle remains 60 min, both for the entire FDU, and for the Dumping Resistor (Table 1, Table 33, Table 34)

We think that this is a typo: the Duty Cycle is now 120 min; could you please confirm, or comment?

A. 

Yes, the duty cycle of 60 min is related to the DTT operations. It is not significant for the TF FDU, since TF magnets are continuously operating. Only in case of FDU fast discharge, consider a time of 120 min after a fast discharge for thermal design.

 

 

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