Man L23/30DF, Project Manual

Page: 340 / 392

Fig. 4 Minimum requirements of the classification societies plus ISO rule.
bmep: Must be found in product guide. For most classification sociaties 3 x 33% load application will be
accepted.
Actual classification society rules must be observed.
Speed droop: _____, Needle valve open: ______°
Load (%) (n
r
)
Rated speed
[Hz]
(n
max/min
)
Momentum
speed
[Hz]
(n
i
)
Permanent
speed
[Hz]
(m)
Momentum
speed varia-
tion [%]
(p)
Permanent
speed varia-
tion [%]
(t)
Time to steady
speed
[sec]
0 - 34
34 - 67
67 - 100
According to IACS requirements and ISO 8528-5.
MAN Diesel & Turbo
B 21 01 1
Shop test programme for power plants
1699986-3.2
Page 4 (4)
V28/32H, V28/32S, L28/32S, L27/38S, L23/30S, L21/31S, L16/24S
2016.03.17