Power Vs. Frequency - Delta RPI-M8 User Manual

6.1.2 Power vs. Frequency

There're 2 different operation curves that depend on Country setting.
Germany LV: follow the curve in Figure 6-1-a
Germany MV/ Italy BT/ Italy MT: follow the curve in Figure 6-1-b
legend:
P is the power generated at the time of exceeding f
m
P is the feeding power
f is the mains frequency
fstart is the frequency when the power reduction starts
fstop is the frequency when there is has zero power
Gradient is the slope of power reduction
Configuration can be made to meet the requirements from the network operator.
Please refer to 7.2.6.4.2 Power vs. Frequency for the settings procedure.
P
Pm
Gradient
f f
start stop
6-1-a
Figure 6-1 Power vs. frequency characteristic
P
Pm
f
( Hz )
f
recovery
6-1-b
start
Gradient
f
( Hz )
f
f
stop
start
30