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UM0324 데이터시트(PDF) 40 Page - STMicroelectronics

부품명 UM0324
상세설명  This user manual describes
PDF  105 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM0324 데이터시트(HTML) 40 Page - STMicroelectronics

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Library functions
UM0324
40/105
With the following definitions for:
and
literature demonstrates that the space vector sector is identified by the conditions shown in
Table 1.
The duration of the positive pulse widths for the PWM applied on Phase A, B and C are
respectively computed by the following relationships:
Sector I, IV:
Sector II, V:
Table 1.
Sector identification
Y<0
Y>=0
Z<0
Z>=0
Z<0
Z>=0
X<=0
X<0
X<=0
X>0
Sector
V
IV
III
VI
I
II
alfa
V
T
U
∗
∗
= 3
α
beta
V
T
U
∗
=
β
β
U
X
=
2
β
α
U
U
Y
+
=
2
α
β
U
U
Z
−
=
2
Z
X
T
t
A
−
+
=
Z
t
t
A
B
+
=
X
t
t
B
C
−
=
2
Z
Y
T
t
A
−
+
=
Z
t
t
A
B
+
=
Y
t
t
A
C
−
=



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