Spare unit definition
Spare unit means a unit which is intended to be exchanged for a standard unit in case of malfunction of the latter and may be either of the following.
Examples of Spare unit in a sentence
Spare unit of 110 MVAR, 765/√3 Shunt Reactor shall be placed and connected in such a way that the spare unit can be utilized for all the bus and line reactor banks (including for future reactor banks) without its physical movement.