Plasma intercooler
The plasma intercooler was a starship system used to provide plasma coolant to the warp drive and other critical systems. 

A failure of a plasma intercooler will cause the warp drive to overheat or possibly fail to work altogether. ()

Chief Miles O'Brien took the safeties of the 's plasma intercooler offline and never had any problems. Ensign Nog did the same on the  in 2374. ()

Warp
de:Plasmazwischenkühler