Figure 2-8. Detail of the voltage vector projection in the respective sector
In this case, the reference stator voltage vector U
S
is located in sector I, and can be
generated using the appropriate duty-cycle ratios of the basic switching states U
0
and
U
60
. The principal equations concerning this vector location are as follows:
Equation 32
where T
60
and T
0
are the respective duty-cycle ratios, for which the basic space vectors
T
60
and T
0
should be applied within the time period T. T
null
is the time, for which the null
vectors O
000
and O
111
are applied. Those duty-cycle ratios can be calculated using the
following equations:
Chapter 2 Algorithms in detail
GMCLIB User's Guide, Rev. 2, 10/2015
Freescale Semiconductor, Inc.
41
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