V&T E5-H Series, User Manual

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E5 − H High Performance Universal Inverter User Manual
Chapter 6 Parameter Description 59
Figure 6 − 6 Process open loop main and auxiliary reference calculation 2
Open loop combination reference f
com
=auxiliary reference f
a
− 50% bias
3: Main ref auxiliary reference − 50%: The auxiliary reference value subtracts the bias equal to
50% of the auxiliary reference full range value and then superimposes on the main reference.
Figure 6 − 7 Process open loop main and auxiliary reference calculation 3
Open loop combination reference f
com
=main reference f
m
+auxiliary reference f
a
− 50% bias
4: Max: Get the maximum value of the main reference f
m
and the auxiliary reference f
a
.
Figure 6 − 8 Process open loop main and auxiliary reference calculation 4
Open loop combination reference f
com
=Max {main reference f
m
, auxiliary reference f
a
}
50%
频率
时间
100%
f
a
f
com
Frequency
Time
50%
频率
时间
100%
f
a
f
com
Frequency
Time
Frequency
Time
Frequency
Time
Frequency
Time
Frequency
Time