Wartsila ?31DF Series Product Manual page 19

Wärtsilä 31DF Product Guide
2.2.2 Diesel electric propulsion and auxiliary engines
2.2.2.1 Loading rates Constant speed engines (DE / Aux / CPP)
Normal loading rate, constant speed engines, 720/750 rpm (DE / Aux / CPP)
Table 2-3
Engine load
[% of MCR]
0
100
Fig 2-4
DBAE248994
Normal Loading rate
Nominal Fast loading
loading (MN70)
[s] [s]
0 0
300 90
Normal Loading rate, constant speed engines, 720/750 rpm (DE / Aux / CPP)
If normal loading rate is chosen low load running is limited to normal low load
restriction curve. Please see chapter 2.3.1.
Fast loading Emergency,
(MN80) diesel opera-
[s] tion only
[s]
0 0
70 20
NOTE
2. Operating Ranges
2-5