Two identical transformers have the following information on their name plates:

50 MVA; 66/11kV; 50Hz; Yd11; ONAN; Z = (1.5 +j 8.5)%

The core losse are equal to 1% of the rated power.
The two transformers are connected in parallel and suply a total load of (64 + j48) MVA

Explain the meaning of following terms found on the name plat of the transformer

50 MVA